{"id":169,"date":"2024-01-02T17:38:26","date_gmt":"2024-01-02T09:38:26","guid":{"rendered":"https:\/\/hjwzs.xyz\/?p=169"},"modified":"2024-01-02T17:39:37","modified_gmt":"2024-01-02T09:39:37","slug":"core-ml-%e5%92%8c-vision-%e6%95%99%e7%a8%8b%ef%bc%9a%e5%9c%a8-ios-%e8%ae%be%e5%a4%87%e4%b8%8a%e7%9b%b4%e6%8e%a5%e8%bf%9b%e8%a1%8c%e6%a8%a1%e5%9e%8b%e5%be%ae%e8%b0%83","status":"publish","type":"post","link":"https:\/\/hjwzs.xyz\/?p=169","title":{"rendered":"Core ML \u548c Vision \u6559\u7a0b\uff1a\u5728 iOS \u8bbe\u5907\u4e0a\u76f4\u63a5\u8fdb\u884c\u6a21\u578b\u5fae\u8c03"},"content":{"rendered":"\n<div class=\"wp-block-jetpack-markdown\"><blockquote>\n<p>\u539f\u6587\uff1a https:\/\/www.raywenderlich.com\/7960296-core-ml-and-vision-tutorial-on-device-training-on-ios<\/p>\n<\/blockquote>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6559\u7a0b\u5411\u4f60\u4ecb\u7ecd Core ML \u548c Vision \u8fd9\u4e24\u4e2a\u6700\u65b0\u7684 iOS \u6846\u67b6\uff0c\u4ee5\u53ca\u5982\u4f55\u5728\u8bbe\u5907\u4e0a\u201c\u5fae\u8c03\u201d\u6a21\u578b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de5\u7a0b\u6587\u4ef6\u4e0b\u8f7d\uff1a<a href=\"https:\/\/koenig-media.raywenderlich.com\/uploads\/2020\/05\/Vibes-1.zip\">https:\/\/koenig-media.raywenderlich.com\/uploads\/2020\/05\/Vibes-1.zip<\/a><\/p>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><blockquote>\n<p>\u8bd1\u8005\u4f20\u4e86\u767e\u5ea6\u7f51\u76d8\u5206\u4eab\uff0c\u5982\u679c\u4e0a\u65b9\u7684\u94fe\u63a5\u5931\u6548\u4e86\u53ef\u4ee5\u70b9\u51fb <a href=\"https:\/\/pan.baidu.com\/s\/1p4dczjBSNlDl28YLKtZ7qQ\">\u8fd9\u91cc<\/a>\uff0c\u63d0\u53d6\u7801\u662f <strong>vec5<\/strong><\/p>\n<\/blockquote>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u6587\u8fd0\u884c\u73af\u5883\uff1aSwift 5, iOS 13, Xcode 11<\/p>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><blockquote>\n<p>Update note: Christine Abernathy updated this tutorial for Xcode 11, Swift 5 and iOS 13. Audrey Tam wrote the original.\n\u8bd1\u8005\u5df2\u7ecf\u5c06\u4ee3\u7801\u63d0\u5347\u517c\u5bb9\u81f3 Swift 5.4, iOS 13, Xcode 12.5<\/p>\n<\/blockquote>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u82f9\u679c\u5728iOS 11\u4e2d\u53d1\u5e03\u4e86 <strong>Core ML<\/strong> \u548c <strong>Vision<\/strong> \u3002 <strong>Core ML<\/strong> \u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u5c06\u673a\u5668\u5b66\u4e60\u6a21\u578b\u5f15\u5165App\u7684\u65b9\u6cd5\u3002\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u5728iOS\u8bbe\u5907\u4e0a\u76f4\u63a5\u4f7f\u7528 AI \u76f8\u5173\u7684\u529f\u80fd\uff0c\u6bd4\u5982\u7269\u4f53\u68c0\u6d4b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">iOS 13 \u5728 Core ML 3 \u4e2d\u589e\u52a0\u4e86 <strong>on-device training<\/strong> \uff08\u57fa\u4e8e\u8bbe\u5907\u7684\u6a21\u578b\u8bad\u7ec3\uff09\u529f\u80fd\uff0c\u4e3a\u6846\u67b6\u589e\u52a0\u4e86\u57fa\u4e8e\u8bbe\u5907\u8fdb\u884c\u6a21\u578b\u4e2a\u6027\u5316\u5fae\u8c03\u80fd\u529b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u4f60\u5c06\u5b66\u4e60\u5982\u4f55\u4f7f\u7528 <strong>Core ML<\/strong> \u548c <strong>Vision<\/strong> \u6846\u67b6\u5728\u8bbe\u5907\u4e0a\u201c\u5fae\u8c03\u201d\u4e00\u4e2a\u6a21\u578b\u3002\u4e3a\u4e86\u5b66\u4e60\u8fd9\u4e9b\u5185\u5bb9\uff0c\u4f60\u53ef\u4ee5\u4ece\u6587\u7ae0\u5f00\u59cb\u7684\u94fe\u63a5\u4e0b\u8f7d\u4e00\u4e2a\u793a\u4f8b\u7684\u5de5\u7a0b <strong>Vibes<\/strong> \uff0c\u8fd9\u662f\u4e00\u4e2a\u6839\u636e\u6240\u9009\u56fe\u50cf\u968f\u673a\u751f\u6210\u7bb4\u8a00\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u5728\u5b8c\u6210\u6559\u7a0b\u540e\uff0c\u8fd9\u4e2a\u9879\u76ee\u8fd8\u80fd\u5728\u8bad\u7ec3\u6a21\u578b\u540e\u4f7f\u7528\u201c\u5feb\u6377\u65b9\u5f0f\u201d\u6dfb\u52a0\u4f60\u6307\u5b9a\u7684\u8868\u60c5\u7b26\u53f7\u5e76\u4e14\u653e\u5230\u7ed8\u5236\u201c\u5feb\u6377\u65b9\u5f0f\u201d\u7684\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5f00\u7aef<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f00\u59cb\u524d\uff0c\u4ece\u6587\u7ae0\u5f00\u5934\u4e0b\u8f7d\u793a\u4f8b\u7684\u5de5\u7a0b\u3002\u4e0b\u8f7d\u6587\u4ef6\u662f\u4e00\u4e2a zip \u538b\u7f29\u5305\uff0c\u5c06\u8fd9\u4e2a\u538b\u7f29\u5305\u89e3\u538b\u540e\uff0c\u4f60\u4f1a\u770b\u5230 <strong>starter<\/strong> \u548c <strong>final<\/strong> \u8fd9\u4e24\u4e2a\u6587\u4ef6\u5939\u3002\u53cc\u51fb\u5728 <strong>starter<\/strong> \u4e2d\u7684 <strong>Vibes.xcodeproj<\/strong> \u6253\u5f00\u9879\u76ee\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u8bd1\u5e76\u4e14\u8fd0\u884c\uff08<em>\u5982\u679c\u4f60\u8981\u5728\u771f\u673a\u4e0a\u8fd0\u884c\uff0c\u9700\u8981\u6539BundleID\uff0c\u8bd1\u8005\u6ce8<\/em>\uff09\u9879\u76ee\uff0c\u4f60\u4f1a\u770b\u5230\u8fd9\u4e2a\u754c\u9762\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/meqr.png\" alt=\"Vibes-Starter-Project\" style=\"width:189px;height:auto\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u70b9\u51fb\u5de6\u4e0b\u89d2\u7684\u76f8\u673a\u6309\u94ae\uff0c\u9009\u62e9\u4e00\u4e2a\u76f8\u518c\u4e2d\u9884\u7f6e\uff08<em>\u6a21\u62df\u5668\u4f1a\u81ea\u5e26\u4e00\u4e9b\u56fe\u7247\uff0c\u6700\u597d\u4f7f\u7528\u6a21\u62df\u5668\u5b8c\u6210\u8fd9\u4e2a\u6559\u7a0b\uff0c\u8bd1\u8005\u6ce8<\/em>\uff09\u7684\u7167\u7247\uff0c\u53ef\u4ee5\u770b\u5230\u4e0b\u53d1\u81ea\u52a8\u751f\u6210\u4e86\u7bb4\u8a00\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\uff0c\u70b9\u51fb\u53f3\u4e0b\u89d2\u8868\u60c5\u7b26\u53f7\u7684\u56fe\u6807\uff0c\u9009\u62e9\u4e00\u4e2a emoji \u8868\u60c5\u8d34\u7eb8\u6dfb\u52a0\u5230\u56fe\u7247\u4e0a\u3002\u53ef\u4ee5\u4f7f\u7528\u624b\u6307\uff0c\u5c06\u8d34\u7eb8\u79fb\u52a8\u5230\u4efb\u4f55\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/m9en.png\" alt=\"Vibes starter app flow: Blank screen, waterfall image with quote, selection of emojis, waterfall with quote and emoji\" style=\"object-fit:cover\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u4e8e\u8fd9\u4e2a\u521d\u59cb\u7684\u9879\u76ee\uff0c\u6211\u4eec\u67092\u70b9\u53ef\u4ee5\u6539\u8fdb\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mDCQ.png\" alt=\"Little bug guy saying Do tell\"\/><\/figure>\n<\/div>\n\n\n<ol class=\"wp-block-list\">\n<li>\u7bb4\u8a00\u4f3c\u4e4e\u662f\u968f\u673a\u751f\u6210\u7684\uff0c\u4e3a\u4f55\u4e0d\u751f\u6210\u548c\u56fe\u7247\u6700\u76f8\u5173\u7684\u7bb4\u8a00\u5462\uff1f<\/li>\n\n\n\n<li>\u8868\u60c5\u7b26\u53f7\u8d34\u7eb8\u6dfb\u52a0\u8d77\u6765\u592a\u9ebb\u70e6\u4e86\uff0c\u6709\u6ca1\u6709\u66f4\u65b9\u4fbf\u7684\u6dfb\u52a0\u8d34\u7eb8\u7684\u65b9\u5f0f\u5462\uff1f<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u5728\u672c\u6559\u7a0b\u4e2d\u7684\u76ee\u6807\u662f\u4f7f\u7528<strong>\u673a\u5668\u5b66\u4e60<\/strong>\u6765\u89e3\u51b3\u8fd9\u4e24\u4e2a\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f<strong>\u673a\u5668\u5b66\u4e60<\/strong>\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u662f\u673a\u5668\u5b66\u4e60\u7684\u65b0\u624b\uff0c\u4ee5\u4e0b\u662f\u5bf9\u4e8e\u8fd9\u4e2a\u9886\u57df\u672f\u8bed\u7684\u4e00\u4e9b\u89e3\u91ca\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4eba\u5de5\u667a\u80fd<\/strong>\uff08AI\uff09\u5b9a\u4e49\u4e3a\uff1a\u4ee5\u7f16\u7a0b\u65b9\u5f0f\u6dfb\u52a0\u5230\u673a\u5668\u4e0a\u4ee5\u6a21\u4eff\u4eba\u7c7b\u7684\u884c\u52a8\u548c\u601d\u60f3\u7684\u80fd\u529b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u673a\u5668\u5b66\u4e60<\/strong>\uff08ML\uff09\u662f\u4eba\u5de5\u667a\u80fd\u7684\u5b50\u96c6\uff0c\u8bad\u7ec3\u673a\u5668\u6267\u884c\u67d0\u4e9b\u7279\u5b9a\u4efb\u52a1\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 ML \u6765\u8bad\u7ec3\u673a\u5668\u8bc6\u522b\u56fe\u50cf\u4e2d\u7684\u732b\uff0c\u6216\u5c06\u6587\u5b57\u4ece\u4e00\u79cd\u8bed\u8a00\u7ffb\u8bd1\u6210\u53e6\u4e00\u79cd\u8bed\u8a00\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6df1\u5ea6\u5b66\u4e60<\/strong>\u662f\u4e00\u79cd\u673a\u5668\u8bad\u7ec3\u65b9\u6cd5\u3002\u8fd9\u79cd\u6280\u672f\u6a21\u4eff\u4eba\u8111\uff0c\u7531\u7ec4\u7ec7\u5728\u7f51\u7edc\u4e2d\u7684\u795e\u7ecf\u5143\u7ec4\u6210\u3002\u6df1\u5ea6\u5b66\u4e60\u4ece\u63d0\u4f9b\u7684\u6570\u636e\u4e2d\u8bad\u7ec3\u51fa\u4e00\u4e2a\u4eba\u5de5\u795e\u7ecf\u7f51\u7edc\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mJdX.png\" alt=\"Phrases going into a microphone, an arrow pointing to a web of dots and lines\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u4f60\u60f3\u8ba9\u673a\u5668\u8bc6\u522b\u56fe\u50cf\u4e2d\u7684\u4e00\u53ea\u732b\u3002\u4f60\u53ef\u4ee5\u7ed9\u673a\u5668\u63d0\u4f9b\u5927\u91cf\u4eba\u5de5\u6807\u6ce8\u4e3a <strong>\u662f\u732b<\/strong> \u548c <strong>\u4e0d\u662f\u732b<\/strong> \u7684\u56fe\u50cf\u3002\u7136\u540e\u4f60\u53ef\u4ee5\u4ece\u4e2d\u5efa\u7acb\u4e00\u4e2a\u6a21\u578b\uff0c\u4f7f\u7528\u8fd9\u4e2a\u6a21\u578b\u53ef\u4ee5\u5bf9\u53e6\u5916\u7684\u56fe\u7247\u505a\u51fa\u51c6\u786e\u7684\u731c\u6d4b\u6216\u9884\u6d4b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528\u6a21\u578b\u8fdb\u884c\u8bad\u7ec3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u82f9\u679c\u5c06<strong>\u6a21\u578b<\/strong> (Model) \u5b9a\u4e49\u4e3a\u201c\u5c06\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u5e94\u7528\u4e8e\u4e00\u7ec4\u8bad\u7ec3\u6570\u636e\u7684\u7ed3\u679c\u201d\u3002\u628a<strong>\u6a21\u578b<\/strong>\u770b\u4f5c\u662f\u4e00\u4e2a\u51fd\u6570\uff0c\u5b83\u63a5\u53d7\u4e00\u4e2a\u8f93\u5165\uff0c\u5bf9\u7ed9\u5b9a\u7684\u8f93\u5165\u8fdb\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\uff0c\u4f7f\u5176\u8fbe\u5230\u6700\u4f73\u6548\u679c\uff0c\u6bd4\u5982\u5b66\u4e60\uff0c\u7136\u540e\u8fdb\u884c\u9884\u6d4b\u548c\u5206\u7c7b\uff0c\u5e76\u4ea7\u751f\u5408\u9002\u7684\u8f93\u51fa\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mOsi.png\" alt=\"A cat, arrow to web of dots and lines, arrow to the word cat\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u7528\u6807\u8bb0\u7684\u6570\u636e\u8fdb\u884c\u8bad\u7ec3\u88ab\u79f0\u4e3a<strong>\u76d1\u7763\u5b66\u4e60<\/strong>\uff08supervised learning\uff09\u3002\u4f60\u9700\u8981\u5927\u91cf\u7684\u4f18\u8d28\u6570\u636e\u6765\u5efa\u7acb\u4e00\u4e2a\u4f18\u8d28\u6a21\u578b\u3002\u4ec0\u4e48\u662f <em>\u4f18\u8d28<\/em> \uff1f\u4f18\u8d28\u6570\u636e\u8981\u5c3d\u53ef\u80fd\u5168\u9762\uff0c\u56e0\u4e3a\u6700\u7ec8\u5efa\u7acb\u7684\u6a21\u578b\u5168\u90e8\u4f9d\u8d56\u4e8e\u5582\u7ed9\u673a\u5668\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982\uff0c\u5982\u679c\u4f60\u60f3\u8ba9\u4f60\u7684\u6a21\u578b\u8bc6\u522b\u6240\u6709\u7684\u732b\uff0c\u4f46\u53ea\u7ed9\u5b83\u63d0\u4f9b\u4e00\u4e2a\u7279\u5b9a\u7684\u54c1\u79cd\uff0c\u5b83\u53ef\u80fd\u4f1a\u4e0d\u8ba4\u8bc6\u5728\u8fd9\u4e9b\u54c1\u79cd\u4e4b\u5916\u7684\u732b\u3002\u7528\u6b8b\u7f3a\u7684\u6570\u636e\u8fdb\u884c\u8bad\u7ec3\u4f1a\u5bfc\u81f4\u4e0d\u60f3\u8981\u7684\u7ed3\u679c\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mSW9.png\" alt=\"Yoda head, arrow to confused little guy, arrow to cat??\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u8bad\u7ec3\u8fc7\u7a0b\u662f\u8ba1\u7b97\u5bc6\u96c6\u578b\u7684\uff0c\u901a\u5e38\u5728\u670d\u52a1\u5668\u4e0a\u5b8c\u6210\u3002\u51ed\u501f\u5176\u5e76\u884c\u8ba1\u7b97\u80fd\u529b\uff0c\u4f7f\u7528 GPU \u901a\u5e38\u4f1a\u52a0\u5feb\u8bad\u7ec3\u7684\u901f\u5ea6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u65e6\u8bad\u7ec3\u5b8c\u6210\uff0c\u4f60\u53ef\u4ee5\u5c06\u4f60\u7684\u6a21\u578b\u90e8\u7f72\u5230\u751f\u4ea7\u4e2d\uff0c\u5728\u771f\u5b9e\u4e16\u754c\u7684\u6570\u636e\u4e0a\u8fd0\u884c\u9884\u6d4b\u6216\u63a8\u7406\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mZpb.png\" alt=\"Machine learning workflow: cylinder stack, arrow to web of dots and lines, arrow to rectangle labeled ML\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9884\u6d4b\u63a8\u7406<\/strong>\u5e76\u4e0d\u50cf\u8bad\u7ec3\u90a3\u6837\u9700\u8981\u8ba1\u7b97\u3002\u7136\u800c\u5728\u8fc7\u53bb\uff0c\u79fb\u52a8 App \u5fc5\u987b\u8fdc\u7a0b\u8c03\u7528\u670d\u52a1\u5668\u63a5\u53e3\u624d\u80fd\u8fdb\u884c\u6a21\u578b\u63a8\u7406\u3002\u73b0\u5728\uff0c\u79fb\u52a8\u82af\u7247\u6027\u80fd\u7684\u8fdb\u6b65\u4e3a\u8bbe\u5907\u4e0a\u7684\u63a8\u7406\u6253\u5f00\u4e86\u5927\u95e8\u3002\u5176\u597d\u5904\u5305\u62ec\u51cf\u5c11\u5ef6\u8fdf\uff0c\u51cf\u5c11\u5bf9\u7f51\u7edc\u7684\u4f9d\u8d56\u548c\u6539\u5584\u9690\u79c1\u3002\u4f46\u662f\uff0c\u7531\u4e8e\u63a8\u7406\u8fd0\u7b97\u63d0\u9ad8\u4e86\u786c\u4ef6\u8d1f\u8f7d\uff0c\u5e94\u7528\u7a0b\u5e8f\u5927\u5c0f\u4f1a\u589e\u52a0\uff0c\u63a8\u7406\u65f6\u7535\u6c60\u6d88\u8017\u4e5f\u4f1a\u6709\u660e\u663e\u7684\u63d0\u5347\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6559\u7a0b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 <strong>Core ML<\/strong> \u8fdb\u884c\u57fa\u4e8e\u8bbe\u5907\u7684\u63a8\u7406\uff08on-device <em>inference<\/em>\uff09\u548c\u57fa\u4e8e\u8bbe\u5907\u7684\u8bad\u7ec3\uff08on-device <em>training<\/em>\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u82f9\u679c\u63d0\u4f9b\u7684\u6846\u67b6\u548c\u673a\u5668\u5b66\u4e60\u5de5\u5177<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Core ML<\/strong> \u4e0e\u7279\u5b9a\u9886\u57df\u7684\u6846\u67b6\u4e00\u8d77\u5de5\u4f5c\uff0c\u5982\u7528\u4e8e\u56fe\u50cf\u5206\u6790\u7684 <strong>Vision<\/strong> \u3002 <strong>Vision<\/strong> \u6846\u67b6\u63d0\u4f9b\u4e86\u518d\u56fe\u50cf\u6216\u89c6\u9891\u4e0a\u6267\u884c\u8ba1\u7b97\u673a\u89c6\u89c9\u7b97\u6cd5\u7684\u9ad8\u9636API\u5c01\u88c5\u3002 <strong>Vision<\/strong> \u53ef\u4ee5\u4f7f\u7528\u82f9\u679c\u63d0\u4f9b\u7684\u5185\u7f6e\u6a21\u578b\u6216\u8005\u81ea\u5b9a\u4e49\u7684 <strong>Core ML<\/strong> \u6a21\u578b\u5bf9\u56fe\u50cf\u8fdb\u884c\u5206\u7c7b\uff08classify\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Core ML<\/strong> \u662f\u5efa\u7acb\u5728\u4f4e\u7ea7\u522b\u57fa\u5143(lower-level primitives)\uff1a <strong>BNNS\u52a0\u901f<\/strong> \u548c <strong>Metal\u9ad8\u6548\u7740\u8272\u5668<\/strong> \u4e4b\u4e0a\u7684\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mfrk.png\" alt=\"iOS machine learning architecture\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4ed6\u53ef\u4ee5\u548c <strong>Core ML<\/strong> \u5171\u540c\u5de5\u4f5c\u7684\u7279\u5b9a\u9886\u57df\u8fd8\u5305\u542b\uff1a\u7528\u4e8e\u5904\u7406\u6587\u672c\u7684<strong>\u81ea\u7136\u8bed\u8a00\u8bc6\u522b<\/strong>\u548c\u7528\u4e8e\u58f0\u97f3\u5206\u6790\u7684<strong>\u97f3\u9891\u8bc6\u522b<\/strong>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5c06Core ML\u6a21\u578b\u96c6\u6210\u5230\u4f60\u7684APP\u4e2d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u5728 App \u4e2d\u96c6\u6210 <strong>Core ML<\/strong> \uff0c\u4f60\u9700\u8981\u4e00\u4e2a <strong>Core ML<\/strong> \u683c\u5f0f\u7684\u6a21\u578b\u3002Apple \u63d0\u4f9b\u4e86\u4e00\u4e9b <a href=\"https:\/\/developer.apple.com\/machine-learning\/models\/\">\u9884\u8bad\u7ec3\uff08\u5c31\u662f\u4f7f\u7528\u5c11\u91cf\u6570\u636e\u8bad\u7ec3\u7684\uff0c\u6548\u679c\u6bd4\u8f83\u4e00\u822c\u7684\uff0c\u8bd1\u8005\u6ce8\uff09\u7684\u6a21\u578b<\/a>\uff0c\u53ef\u4ee5\u7528\u4e8e\u56fe\u50cf\u5206\u7c7b\u7b49\u9700\u6c42\u3002\u5982\u679c\u8fd9\u4e9b\u6a21\u578b\u4e0d\u80fd\u6ee1\u8db3\u4f60\u7684\u8981\u6c42\uff0c\u4f60\u53ef\u4ee5\u81ea\u884c\u53bbAI\u793e\u533a\u67e5\u627e\u4e00\u756a\u6216\u8005\u8bad\u7ec3\u4f60\u81ea\u5df1\u7684\u6a21\u578b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u9879\u76ee <strong>Vibes<\/strong> \u7684\u4e00\u4e9b\u6539\u8fdb\uff0c\u9700\u8981\u4e00\u4e2a\u80fd\u591f\u5c06\u56fe\u50cf\u5206\u7c7b\u7684\u6a21\u578b\u3002\u53ef\u4f7f\u7528\u7684\u6a21\u578b\u5177\u5907\u4e0d\u540c\u7a0b\u5ea6\u7684\u51c6\u786e\u6027\uff0c\u800c\u8fd9\u4e9b\u6a21\u578b\u4e5f\u6709\u4e0d\u540c\u7684\u5927\u5c0f\u3002\uff08\u5bf9\u4e8e\u8fd9\u4e2a\u6559\u7a0b\u9879\u76ee\u6765\u8bf4\uff0c\uff09\u4f60\u53ef\u4ee5\u4f7f\u7528\u63d0\u4f9b\u7684 <strong>SqueezeNet<\/strong> \uff0c\u8fd9\u662f\u4e00\u4e2a\u7ecf\u8fc7\u8bad\u7ec3\uff0c\u53ef\u4ee5\u8bc6\u522b\u5e38\u89c1\u7269\u54c1\u7684\u5c0f\u578b\u6a21\u578b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u62d6\u62fd\u5728 <strong>starter<\/strong> &#8211; <strong>Models<\/strong> \u4e2d\u7684 <strong>SqueezeNet.mlmodel<\/strong> \u6587\u4ef6\u5230\u4f60 Xcode \u4e2d\u5df2\u7ecf\u6253\u5f00\u7684 <strong>Vibes<\/strong> \u9879\u76ee\u4e2d\uff0c\u628a\u5b83\u653e\u5230 <strong>Models<\/strong> \u8fd9\u4e2a\u7ec4\u4e0b\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mGSm.gif\" alt=\"User adding a mode\" style=\"object-fit:cover\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u9009\u4e2d <strong>SqueezeNet.mlmodel<\/strong> \uff0c\u53ef\u4ee5\u518d\u53f3\u4fa7\u770b\u5230\u8fd9\u4e2a\u6a21\u578b\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mV7g.png\" alt=\"show model detail infomation\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5728\u9884\u6d4b\uff08Prediction\uff09\u90e8\u5206\u5217\u51fa\u4e86\u9884\u671f\u7684\u8f93\u5165\u548c\u8f93\u51fa<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8f93\u5165\u4fa7\uff0c\u671f\u671b\u5f97\u5230\u4e00\u4e2a 227 * 227 \u5c3a\u5bf8\u7684\u56fe\u50cf<\/li>\n\n\n\n<li>\u8f93\u51fa\u4fa7\u6709\u4e24\u79cd\u7c7b\u578b\uff0c <strong>classLabelProbs<\/strong> \u8fd4\u56de\u4e00\u4e2a\u5b57\u5178\uff0c\u5176\u4e2d\u5305\u542b\u56fe\u50cf\u5206\u7c7b\u7684\u6982\u7387\uff0c <strong>classLabel<\/strong> \u8fd4\u56de\u6982\u7387\u6700\u9ad8\u7684\u5206\u7c7b\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u70b9\u51fb\u4e0a\u65b9\u7684 <strong>Model Class<\/strong> \u533a\u57df\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mWyE.png\" alt=\"Model class zone\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Xcode \u4e3a\u6a21\u578b\u81ea\u52a8\u751f\u6210\u4e00\u4e2a\u6587\u4ef6\uff0c\u5176\u4e2d\u5305\u62ec\u8f93\u5165\u3001\u8f93\u51fa\u548c\u4e3b\u7c7b\u3002\u4e3b\u7c7b\u5305\u62ec\u7528\u4e8e\u9884\u6d4b\u7684\u5404\u79cd\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vision<\/strong> \u6846\u67b6\u7684\u6807\u51c6\u5de5\u4f5c\u6d41\u7a0b\u662f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9996\u5148\uff0c\u521b\u5efa <strong>Core ML<\/strong> \u6a21\u578b(model)\u3002<\/li>\n\n\n\n<li>\u7136\u540e\uff0c\u521b\u5efa\u4e00\u5230\u591a\u4e2a\u8bf7\u6c42(requests)\u3002<\/li>\n\n\n\n<li>\u6700\u540e\uff0c\u521b\u5efa\u548c\u8fd0\u884c\u591a\u4e2a\u8bf7\u6c42\u53e5\u67c4(request handler)\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\uff0c\u4f60\u5df2\u7ecf\u6709\u4e86\u4e00\u4e2a\u73b0\u6210\u7684 <strong>Core ML<\/strong> \u6a21\u578b <strong>SqueezeNet.mlmodel<\/strong> \uff0c\u76f4\u63a5\u8fdb\u884c\u4e0b\u4e00\u6b65\uff0c\u521b\u5efa\u8bf7\u6c42\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u521b\u5efa\u8bf7\u6c42<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 <strong>CreateQuoteViewController.swift<\/strong> \u6587\u4ef6\u5934\u90e8 UIKit \u540e\u9762\u589e\u52a0\u9700\u8981\u7684\u6846\u67b6\u5bfc\u5165\u58f0\u660e\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">import CoreML\nimport Vision<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vision<\/strong> \u6709\u52a9\u4e8e\u5904\u7406\u56fe\u50cf\uff0c\u5982\u5c06\u5176\u8f6c\u6362\u4e3a\u6240\u9700\u7684\u683c\u5f0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a <strong>CreateQuoteViewController<\/strong> \u589e\u52a0\u5982\u4e0b\u7684 property\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">\/\/ \u5b9a\u4e49\u4e86\u4e00\u4e2a\u61d2\u52a0\u8f7d\u7684\u56fe\u50cf\u5206\u6790\u8bf7\u6c42\nprivate lazy var classificationRequest: VNCoreMLRequest = {\n  do {\n    \/\/ \u521b\u5efa\u6a21\u578b\u5b9e\u4f8b\n    let model = try VNCoreMLModel(for: SqueezeNet(configuration: MLModelConfiguration()).model)\n    \/\/ \u57fa\u4e8e\u8be5\u6a21\u578b\u5b9e\u4f8b\u5316\u4e00\u4e2a\u56fe\u50cf\u5206\u6790\u8bf7\u6c42\u5bf9\u8c61\u3002\u5b8c\u6210\u5904\u7406\u7a0b\u5e8f\u540e\uff0c\u63a5\u6536\u5206\u7c7b\u7ed3\u679c\u5e76\u6253\u5370\u51fa\u6765\u3002\n    let request = VNCoreMLRequest(model: model) { request, _ in\n        if let classifications =\n          request.results as? [VNClassificationObservation] {\n          print(\"Classification results: \\(classifications)\")\n        }\n    }\n    \/\/ \u4f7f\u7528Vision\u6765\u88c1\u526a\u8f93\u5165\u7684\u56fe\u50cf\u4ee5\u7b26\u5408\u6a21\u578b\u7684\u671f\u671b\n    request.imageCropAndScaleOption = .centerCrop\n    return request\n  } catch {\n    \/\/ \u901a\u8fc7\u6740\u6b7b\u5e94\u7528\u7a0b\u5e8f\u6765\u5904\u7406\u6a21\u578b\u52a0\u8f7d\u9519\u8bef\u3002\u6a21\u578b\u662f\u5e94\u7528\u7a0b\u5e8f\u6346\u7ed1\u7684\u4e00\u90e8\u5206\uff0c\u5e94\u8be5\u4e0d\u4f1a\u8d70\u5230\u8fd9\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u57cb\u4e2a\u70b9\u5427\u3002\n    fatalError(\"Failed to load Vision ML model: \\(error)\")\n  }\n}()<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u96c6\u6210\u8bf7\u6c42<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u4ee5\u4e0b\u4ee3\u7801\u6dfb\u52a0\u5230 <strong>CreateQuoteViewController<\/strong> \u79c1\u6709\u6269\u5c55\u7684\u5e95\u90e8\u3002\uff08\u5199\u6709 <strong>Private methods<\/strong> \u6ce8\u91ca\u7684\u90a3\u4e2a<strong>extension<\/strong>\uff0c\u8bd1\u8005\u6ce8\uff09<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">func classifyImage(_ image: UIImage) {\n  \/\/ \u83b7\u53d6\u56fe\u50cf\u7684\u65b9\u5411\uff0c\u5e76\u4e14\u5c06\u56fe\u50cf\u8f6c\u6362\u6210CIImage\u683c\u5f0f\u63d0\u4f9b\u7ed9\u540e\u7eed\u6b65\u9aa4\n  guard let orientation = CGImagePropertyOrientation(rawValue: UInt32(image.imageOrientation.rawValue)) else {\n    return\n  }\n  guard let ciImage = CIImage(image: image) else {\n    fatalError(\"Unable to create \\(CIImage.self) from \\(image).\")\n  }\n  \/\/ \u5728\u4e00\u4e2a\u540e\u53f0\u961f\u5217\u4e2d\u542f\u52a8\u4e00\u4e2a\u5f02\u6b65\u5206\u7c7b\u8bf7\u6c42\uff0c\u5f53\u53e5\u67c4\u5728\u5916\u90e8\u88ab\u521b\u5efa\u5e76\u4e14\u5b89\u6392\u4e0a\u65f6\uff0c\u8fd9\u4e2aVision\u8bf7\u6c42\u5c06\u88ab\u6267\u884c\n  DispatchQueue.global(qos: .userInitiated).async {\n    let handler = VNImageRequestHandler(ciImage: ciImage, orientation: orientation)\n    do {\n      try handler.perform([self.classificationRequest])\n    } catch {\n      print(\"Failed to perform classification.\\n\\(error.localizedDescription)\")\n    }\n  }\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\uff0c\u5728 <strong>imagePickerController(_:didFinishPickingMediaWithInfo:)<\/strong> \u65b9\u6cd5\u6700\u540e\u6dfb\u52a0\u8fd9\u6bb5\u4ee3\u7801\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">classifyImage(image)    \/\/ \u5f53\u7528\u6237\u9009\u62e9\u4e00\u5f20\u56fe\u7247\u65f6\uff0c\u89e6\u53d1\u5206\u7c7b\u8bf7\u6c42<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u65b0\u7f16\u8bd1\u3001\u8fd0\u884cApp\uff0c\u70b9\u51fb\u76f8\u673a\u56fe\u6807\u9009\u62e9\u4e00\u5f20\u7167\u7247\uff0c\u8fd9\u662f\u770b\u4e0a\u53bb\u548c\u4e4b\u524d\u6ca1\u4ec0\u4e48\u533a\u522b\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mles.png\" alt=\"Waterfall with random quote at the bottom\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u662f\u5728 Xcode \u63a7\u5236\u53f0\u5e94\u8be5\u6253\u5370\u4e86\u5206\u7c7b\u7684\u76f8\u5173\u5143\u4fe1\u606f\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mEC8.png\" alt=\"Raw classification results\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e0a\u9762\u8fd9\u4e2a\u622a\u56fe\u4e2d\uff0c\u56fe\u50cf\u5206\u7c7b\u5668\u7ed9\u4e86<em>cliff, drop, drop-off<\/em>\uff08\u60ac\u5d16\uff0c\u8dcc\u843d\uff0c\u843d\u5dee\uff09\u7ea627.88%\u7684\u7f6e\u4fe1\u5ea6\u3002\u4fee\u6539 <strong>classificationRequest<\/strong> \u4e2d\u7684\u6253\u5370\u8bed\u53e5\u4ee5\u76f4\u89c2\u7684\u6570\u636e\u8f93\u51fa\u8fd9\u4e2a\u7ed3\u679c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">\/\/ print(\"Classification results: \\(classifications)\")\nlet topClassifications = classifications.prefix(2).map {\n  (confidence: $0.confidence, identifier: $0.identifier)\n}\nprint(\"Top classifications: \\(topClassifications)\")<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u65b0\u7f16\u8bd1App\u5e76\u4e14\u8fd0\u884c\uff0c\u9009\u62e9\u4e00\u5f20\u7167\u7247\uff0c\u63a7\u5236\u53f0\u8fd9\u65f6\u5019\u76f4\u63a5\u8f93\u51fa\u4e86\u6700\u9ad8\u7f6e\u4fe1\u5ea6\u7684\u5206\u7c7b\u7ed3\u679c\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mRgV.png\" alt=\"Pretty classification results\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\u4f60\u53ef\u4ee5\u4f7f\u7528\u5206\u7c7b\u5668\u63d0\u4f9b\u7684\u9884\u6d4b\u7ec6\u8282\u6765\u663e\u793a\u4e0e\u56fe\u7247\u76f8\u5173\u7684\u7bb4\u8a00\u4e86\uff01<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6dfb\u52a0\u5177\u6709\u76f8\u5173\u6027\u7684\u7bb4\u8a00<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 <strong>imagePickerController(_:didFinishPickingMediaWithInfo:)<\/strong> \u65b9\u6cd5\u4e2d\uff0c\u6ce8\u91ca\u6389\u4ee5\u4e0b\u4ee3\u7801\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">if let quote = getQuote() {\n  quoteTextView.text = quote.text\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u9700\u8981\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\u6765\u968f\u673a\u5c55\u793a\u7bb4\u8a00\u4e86\u3002\u63a5\u4e0b\u6765\uff0c\u4f60\u5c06\u4f7f\u7528 <strong>VNClassificationObservation<\/strong> \u7684\u7ed3\u679c\u6765\u7ed9App\u6dfb\u52a0\u6311\u9009\u6700\u63a5\u8fd1\u7684\u7bb4\u8a00\u7684\u903b\u8f91\u3002\u8fd8\u662f\u5728 <strong>CreateQuoteViewController<\/strong> \u7684\u79c1\u6709 <strong>extension<\/strong> \u4e2d\u589e\u52a0\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">func processClassifications(for request: VNRequest, error: Error?) {\n  DispatchQueue.main.async {\n    \/\/ \u5904\u7406\u6765\u81ea\u56fe\u50cf\u5206\u7c7b\u8bf7\u6c42\u7684\u7ed3\u679c\n    if let classifications =\n      request.results as? [VNClassificationObservation] {\n      \/\/ \u63d0\u53d6\u524d\u4e24\u4e2a\u9884\u6d4b\u7ed3\u679c\n      let topClassifications = classifications.prefix(2).map {\n        (confidence: $0.confidence, identifier: $0.identifier)\n      }\n      print(\"Top classifications: \\(topClassifications)\")\n      let topIdentifiers =\n        topClassifications.map {$0.identifier.lowercased() }\n      \/\/ \u5c06\u9884\u6d4b\u7ed3\u679c\u4f20\u5165getQuote(for:)\u83b7\u5f97\u4e00\u4e2a\u76f8\u5173\u7684\u7bb4\u8a00\n      if let quote = self.getQuote(for: topIdentifiers) {\n        self.quoteTextView.text = quote.text\n      }\n    }\n  }\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a\u7bb4\u8a00\u7684\u89c6\u56fe\u4f1a\u8fdb\u884cUI\u66f4\u65b0\uff0c\u6240\u4ee5\u8fd9\u4e2a\u65b9\u6cd5\u5fc5\u987b\u5728\u4e3b\u7ebf\u7a0b\u6267\u884c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\uff0c\u5728 <strong>classificationRequest<\/strong> \u65b9\u6cd5\u4e2d\u5c06 <strong>request<\/strong> \u7684\u521d\u59cb\u5316\u65b9\u6cd5\u4fee\u6539\u5982\u4e0b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">let request = VNCoreMLRequest(model: model) { [weak self] request, error in\n    guard let self = self else {\n      return\n  }\n  \/\/ \u5f53\u9884\u6d4b\u7ed3\u675f\u65f6\uff0c\u8c03\u7528\u65b9\u6cd5\u66f4\u65b0\u7bb4\u8a00\n  self.processClassifications(for: request, error: error)\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u65b0\u7f16\u8bd1\u8fd0\u884c\uff0c\u9009\u62e9\u4e00\u5f20\u542b\u6709\u67e0\u6aac\u6216\u8005\u67e0\u6aac\u6811\u7684\u7167\u7247\uff08\u6a21\u62df\u5668\u81ea\u5e26\uff0c\u8bd1\u8005\u6ce8\uff09\u3002\u8fd9\u65f6\u5019\u663e\u793a\u7684\u7bb4\u8a00\u5e94\u8be5\u548c\u67e0\u6aac\u76f8\u5173\u4e86\uff0c\u800c\u4e0d\u662f\u968f\u673a\u5c55\u793a\u7684\u7bb4\u8a00\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/m5sB.png\" alt=\"Close up of tree with related quote\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u89c2\u5bdf\u5728Xcode\u4e2d\u5206\u7c7b\u5668\u7684\u65e5\u5fd7\uff0c<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mkWP.png\" alt=\"Classification results that match the image above\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u53ef\u4ee5\u591a\u5c1d\u8bd5\u51e0\u6b21\u9a8c\u8bc1\u7ed3\u679c\u7684\u4e00\u81f4\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Great Stuff! \u4f60\u5df2\u7ecf\u5b66\u4f1a\u4e86\u5982\u4f55\u4f7f\u7528 <strong>Core ML<\/strong> \u8fdb\u884c\u8bbe\u5907\u4e0a\u7684\u6a21\u578b\u63a8\u7406\u3002:]<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mz1Z.png\" alt=\"Happy, cheering iPhone with medals\"\/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u5728\u8bbe\u5907\u4e0a\u5bf9\u6a21\u578b\u8fdb\u884c\u4e2a\u6027\u5316\u5904\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u6700\u65b0\u7684 <strong>Core ML 3<\/strong> \uff0c\u53ef\u4ee5\u5728\u8fd0\u884c\u671f\u95f4\u5728\u8bbe\u5907\u4e0a\u5bf9\u4e00\u4e2a\u53ef\u66f4\u65b0\u7684\u6a21\u578b\u8fdb\u884c\u5fae\u8c03\u3002\u8fd9\u610f\u5473\u7740\u4f60\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u7528\u6237\u63d0\u4f9b\u4e2a\u6027\u5316\u7684\u4f53\u9a8c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u4e8e\u8bbe\u5907\u7684\u4e2a\u6027\u5316\u5904\u7406\u662f FaceID \u80cc\u540e\u7684\u903b\u8f91\u3002Apple \u5c06\u4e00\u4e2a\u901a\u7528\u7684\u6a21\u578b\u4e0b\u53d1\u5230\u8bbe\u5907\u4e0a\uff0c\u8bc6\u522b\u4e00\u822c\u7684\u4eba\u8138\uff0c\u5728 FaceID \u8bbe\u7f6e\u8fc7\u7a0b\u4e2d\uff0c\u6bcf\u4e2a\u7528\u6237\u53ef\u4ee5\u5bf9\u8fd9\u4e2a\u6a21\u578b\u8fdb\u884c\u5fae\u8c03\u4ee5\u8bc6\u522b\u4ed6\u4eec\u81ea\u5df1\u7684\u8138\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u8fd9\u4e00\u66f4\u65b0\u7684\u6a21\u578b\u8fd4\u56de\u7ed9 Apple\uff0c\u518d\u90e8\u7f72\u7ed9\u5176\u4ed6\u7528\u6237\uff0c\u662f\u6ca1\u6709\u610f\u4e49\u7684\u3002\u6240\u4ee5\u8fd9\u4e2a\u529f\u80fd\u4e5f\u51f8\u663e\u4e86\u57fa\u4e8e\u8bbe\u5907\u4e2a\u6027\u5316\u5904\u7406\u9690\u79c1\u65b9\u9762\u7684\u4f18\u52bf\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53ef\u66f4\u65b0\u7684\u6a21\u578b<\/strong>\u662f\u4e00\u4e2a\u6807\u8bb0\u4e3a\u201c\u53ef\u66f4\u65b0\u201d\u7684 <strong>Core ML<\/strong> \u6a21\u578b\uff0c\u4f60\u4e5f\u53ef\u4ee5\u5c06\u4f60\u81ea\u5df1\u8bad\u7ec3\u7684\u6a21\u578b\u5b9a\u4e49\u4e3a\u53ef\u66f4\u65b0\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">K\u6700\u8fd1\u90bb\u5206\u7c7b(k-NN)\u7b97\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\uff0c\u4f60\u4f1a\u4f7f\u7528\u4e00\u4e2a\u53ef\u66f4\u65b0\u7684\u7ed8\u56fe\u5206\u7c7b\u5668\u6765\u6539\u8fdb <strong>Vibes<\/strong> \u8fd9\u4e2a\u9879\u76ee\u3002\u8fd9\u4e2a\u5206\u7c7b\u5668\u662f\u57fa\u4e8ek-NN(k-Nearest Neighbors)\u7684\u3002\u8fd9\u65f6\u9ed1\u4eba\u95ee\u53f7\u8138\u5c31\u51fa\u6765\u4e86\uff0c <strong>k-NN<\/strong> \u662f\u4ec0\u4e48\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>k-NN<\/strong> \u7b97\u6cd5\uff0c\u7b80\u5355\u7684\u8bf4\uff0c\u5c31\u662f\u201c\u540c\u6027\u76f8\u5438\u201d\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/m3r0.png\" alt=\"Bunch of sunglass smiley faces and one awkward rectangle\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u901a\u8fc7\u6bd4\u8f83\u7279\u5f81\u5411\u91cf (<em>feature vectors<\/em>) \u6765\u8fbe\u5230\u60f3\u8981\u7684\u7ed3\u679c\uff0c\u4e00\u4e2a\u7279\u5f81\u5411\u91cf\u5305\u542b\u63cf\u8ff0\u4e00\u4e2a\u7269\u4f53\u7279\u5f81\u7684\u5173\u952e\u4fe1\u606f\uff0c\u6bd4\u5982\u4f7f\u7528\u7279\u5f81\u5411\u91cf<strong>R\u3001G\u3001B<\/strong>\u6765\u8868\u793aRGB\u989c\u8272\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u8f83\u7279\u5f81\u5411\u91cf\u4e4b\u95f4\u7684\u8ddd\u79bb\u662f\u67e5\u770b\u4e24\u4e2a\u7269\u4f53\u662f\u5426\u76f8\u4f3c\u7684\u7b80\u5355\u65b9\u6cd5\uff0c<strong>k-NN<\/strong> \u5bf9\u4e34\u63a5\u7684K\u4e2a\u90bb\u5c45\u8fdb\u884c\u5206\u7c7b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u9762\u7684\u4f8b\u5b50\u5c55\u793a\u4e86\u4e00\u4e2a\u5df2\u7ecf\u6309\u7167\u6b63\u65b9\u5f62\u548c\u5706\u5f62\u5f62\u72b6\u8fdb\u884c\u5206\u7c7b\u5206\u5e03\u7684\u573a\u666f\uff0c\u5982\u679c\u4f60\u60f3\u8bc6\u522b\u795e\u79d8\u7684\u7ea2\u8272\u5c5e\u4e8e\u54ea\u4e00\u7ec4\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/miSK.png\" alt=\"k-NN plot with groups of blue rectangles and green circles\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u6839\u636e\u8ddd\u79bb\u753b\u4e2a\u5708\uff0c\u53ef\u4ee5\u770b\u5230 <strong>k = 3<\/strong> \u7684\u65f6\u5019\u53ef\u4ee5\u9884\u6d4b\u5230\u8fd9\u4e2a\u65b0\u56fe\u5f62\u662f\u4e00\u4e2a\u6b63\u65b9\u5f62\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/m7KJ.png\" alt=\"k-NN classification graph with three blue rectangles circled\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>k-NN <\/strong>\u6a21\u578b\u7b80\u5355\u800c\u53c8\u8fc5\u901f\uff0c\u4e0d\u9700\u8981\u5f88\u591a\u6570\u636e\u5c31\u53ef\u4ee5\u8bad\u7ec3\u3002\u4f46\u662f\u968f\u7740\u6837\u4f8b\u6570\u636e\u8d8a\u591a\uff0c\u5b83\u7684\u6027\u80fd\u4e5f\u4f1a\u53d8\u5f97\u8d8a\u6162\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>k-NN<\/strong> \u662f <strong>Core ML<\/strong> \u652f\u6301\u8bad\u7ec3\u7684\u6a21\u578b\u7c7b\u578b\u4e4b\u4e00\u3002\u5728\u63a5\u4e0b\u6765\u7684\u793a\u4f8b\u4e2d\uff0c <strong>Vibes<\/strong> \u8fd9\u4e2a\u9879\u76ee\u5c06\u4f7f\u7528\u53ef\u66f4\u65b0\u7684\u7ed8\u56fe\u5206\u7c7b\u5668\u5b8c\u6210\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e00\u4e2a\u4f5c\u4e3a\u7279\u5f81\u63d0\u53d6\u5668\u7684\u795e\u7ecf\u7f51\u7edc\uff0c\u5b83\u77e5\u9053\u5982\u4f55\u8bc6\u522b\u56fe\u5f62\u3002\u4f60\u9700\u8981\u4e3a <strong>k-NN<\/strong> \u6a21\u578b\u63d0\u53d6\u7279\u5f81\u3002<\/li>\n\n\n\n<li>\u4e00\u4e2a\u7528\u4e8e\u57fa\u4e8e\u8bbe\u5907\u7ed8\u56fe\u4e2a\u6027\u5316\u5904\u7406\u7684 <strong>k-NN<\/strong> \u6a21\u578b<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mKyy.png\" alt=\"Half circle, arrow to Static web of dots, arrow to unadaptable classifier, arrow to laughing emoji\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\uff0c\u5728 <strong>Vibes<\/strong> \u8fd9\u4e2a\u9879\u76ee\u4e2d\uff0c\u7528\u6237\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e2a\u4e00\u6b21\u6027\u753b3\u4e2a\u8868\u60c5\u7b26\u53f7\u7684\u5feb\u6377\u65b9\u5f0f\u3002\u4f60\u5c06\u4f1a\u4ee5\u8868\u60c5\u7b26\u53f7\u4f5c\u4e3a\u6807\u7b7e\uff0c\u4ee5\u7ed8\u56fe\u4f5c\u4e3a\u5b9e\u4f8b\u6765\u8bad\u7ec3\u6a21\u578b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8bbe\u7f6e\u7ed8\u56fe\u8bad\u7ec3\u6d41\u7a0b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u51c6\u5907\u597d\u54cd\u5e94\u7528\u6237\u5728\u5c4f\u5e55\u4e0a\u7684\u70b9\u51fb\u4e8b\u4ef6\uff0c\u7528\u6765\u8bad\u7ec3\u4f60\u7684\u6a21\u578b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u589e\u52a0\u4e00\u4e2a\u754c\u9762\u7528\u4e8e\u9009\u62e9\u8868\u60c5\u7b26\u53f7\u3002<\/li>\n\n\n\n<li>\u589e\u52a0\u70b9\u51fb\u4fdd\u5b58\u7684\u52a8\u4f5c\u3002<\/li>\n\n\n\n<li>\u4ece <strong>stickerLabel<\/strong> \u4e2d\u5220\u9664 <strong>UIPanGestureRecognizer<\/strong> \u624b\u52bf\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u6253\u5f00 <strong>AddStickerViewController.swift<\/strong> \u6587\u4ef6\uff0c\u5728 <strong>collectionView(_:didSelectItemAt:)<\/strong> \u4e2d\u6ce8\u91ca\u6389\u539f\u672c <strong>performSegue(withIdentifier:sender:)<\/strong> \u8fd9\u4e00\u884c\u4ee3\u7801\uff0c\u5e76\u4e14\u66ff\u6362\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">performSegue(withIdentifier: \"AddShortcutSegue\", sender: self)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u7528\u6237\u70b9\u51fb\u4e00\u4e2a\u8868\u60c5\u7b26\u53f7\u65f6\uff0c\u4f1a\u524d\u5f80\u4e00\u4e2a\u65b0\u7684\u9875\u9762\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u7740\u6253\u5f00 <strong>AddShortcutViewController.swift<\/strong> \u6587\u4ef6\u5728 <strong>savePressed(_:)<\/strong> \u65b9\u6cd5\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">print(\"Training data ready for label: \\(selectedEmoji ?? \"\")\")\n\/\/ \u5f53\u7528\u6237\u70b9\u51fb\u4fdd\u5b58\u6309\u94ae\u65f6\uff0c\u56de\u5230\u9996\u9875\nperformSegue(\n  withIdentifier: \"AddShortcutUnwindSegue\",\n  sender: self)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\uff0c\u6253\u5f00\u6587\u4ef6 <strong>CreateQuoteViewController.swift<\/strong> \u5e76\u4e14\u6ce8\u91ca\u6389\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">stickerLabel.isUserInteractionEnabled = true\nlet panGestureRecognizer = UIPanGestureRecognizer(\n  target: self,\n  action: #selector(handlePanGesture(_:)))\nstickerLabel.addGestureRecognizer(panGestureRecognizer)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u6ce8\u91ca\u8fd9\u6bb5\u4ee3\u7801\uff0c\u7981\u6b62\u7528\u6237\u79fb\u52a8\u8868\u60c5\u7b26\u53f7\u3002\u8fd9\u4e2a\u529f\u80fd\u53ea\u6709\u7528\u6237\u5728\u65e0\u6cd5\u63a7\u5236\u8d34\u7eb8\u4f4d\u7f6e\u7684\u65f6\u5019\u624d\u6709\u7528\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u65b0\u7f16\u8bd1\u8fd0\u884c App\uff0c\u9009\u62e9\u4e00\u5f20\u56fe\u7247\uff0c\u70b9\u51fb\u8d34\u7eb8\u56fe\u6807\u9009\u62e9\u4e00\u4e2a\u8868\u60c5\u7b26\u53f7\u3002\u4f60\u4f1a\u770b\u5230\u4f60\u9009\u62e9\u7684\u8868\u60c5\u7b26\u53f7\u548c\u4e09\u4e2a\u7528\u4e8e\u7ed8\u56fe\u7684\u753b\u5e03\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mno3.png\" alt=\"Screen with Add a Shortcut header, laughing emoji and three blank rectangles\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\u5728\u753b\u5e03\u4e0a\u7ed8\u52363\u4e2a\u76f8\u4f3c\u7684\u56fe\u5f62\uff0c\u5168\u90e8\u5b8c\u6210\u540e <strong>Save<\/strong> \u6309\u94ae\u624d\u4f1a\u88ab\u8bbe\u7f6e\u4e3a\u53ef\u4ee5\u70b9\u51fb\u7684\u72b6\u6001\u3002<\/p>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><blockquote>\n<p><strong>\u8bd1\u8005\u6ce8<\/strong>\uff1a\u5982\u679c\u4f60\u53d1\u73b0\u5728\u6a21\u62df\u5668\u4e0a\u65e0\u6cd5\u7ed8\u56fe\uff0c\u662f\u56e0\u4e3a <strong>Vibes<\/strong> \u8fd9\u4e2a\u9879\u76ee\u5728\u8fd9\u91cc\u7528\u4e86 <strong>PKCanvasView<\/strong> \u4f5c\u4e3a\u753b\u5e03\uff0c\u53ef\u4ee5\u5728  <strong>DrawingView.swift<\/strong> \u6587\u4ef6\u4e2d <strong>setupPencilKitCanvas<\/strong> \u65b9\u6cd5\u5728\u8bbe\u7f6e <strong>canvasView<\/strong> \u5c5e\u6027\u7684\u65f6\u5019\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6765\u5141\u8bb8\u6a21\u62df\u5668\u6a21\u62dfApple pencil\u7ed8\u56fe\u3002<\/p>\n<\/blockquote>\n<\/div>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">if #available(iOS 14.0, *) {\n  canvasView.drawingPolicy = .anyInput\n} else {\n  canvasView.allowsFingerDrawing = true\n}<\/pre>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mvke.png\" alt=\"Same screen as before but with hand-drawn half circles each rectangle \"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u70b9\u51fb <strong>Save<\/strong> \u6309\u94ae\uff0c\u4f60\u4f1a\u770b\u5230\u5728 Xcode \u7684\u63a7\u5236\u53f0\u4e2d\u6253\u5370\u4e86\u4ee5\u4e0b\u65e5\u5fd7\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mPgu.png\" alt=\"Console logs selected emoji\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\u4f60\u5c31\u53ef\u4ee5\u5c06\u5de5\u4f5c\u805a\u7126\u5230\u5982\u4f55\u4f7f\u7528\u4fdd\u5b58\u7684\u5feb\u6377\u65b9\u5f0f\u4e0a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6dfb\u52a0\u5feb\u6377\u65b9\u5f0f\u7ed8\u5236\u89c6\u56fe<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\u662f\u65f6\u5019\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u5b9e\u73b0\u5728\u56fe\u50cf\u4e0a\u8fdb\u884c\u76f4\u63a5\u7684\u7ed8\u5236\u4e86\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9996\u5148\u58f0\u660e\u4e00\u4e2a <strong>DrawingView<\/strong> \u3002<\/li>\n\n\n\n<li>\u63a5\u4e0b\u6765\u5728\u4e3b\u89c6\u56fe\u4e2d\u6dfb\u52a0\u7ed8\u5236\u89c6\u56fe\u3002<\/li>\n\n\n\n<li>\u7136\u540e\uff0c\u4ece <strong>viewDidLoad()<\/strong> \u4e2d\u8c03\u7528 <strong>addCanvasForDrawing<\/strong> \u3002<\/li>\n\n\n\n<li>\u6700\u540e\uff0c\u5728\u5b8c\u6210\u56fe\u50cf\u9009\u62e9\u540e\u6e05\u9664\u753b\u5e03\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u6253\u5f00 <strong>CreateQuoteViewController.swift<\/strong> \u6587\u4ef6\uff0c\u5728 <strong>@IBOutlet<\/strong> \u5b9a\u4e49\u533a\u57df\u540e\u9762\u6dfb\u52a0\u4ee5\u4e0b\u58f0\u660e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">var drawingView: DrawingView!   \/\/ \u7528\u6237\u7ed8\u5236\u5feb\u6377\u65b9\u5f0f\u7684\u753b\u5e03\u89c6\u56fe<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u4ee5\u5b9e\u73b0 <strong>addCanvasForDrawing()<\/strong> \u65b9\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">\/\/ \u521b\u5efa\u7ed8\u56fe\u89c6\u56fe\u793a\u4f8b\ndrawingView = DrawingView(frame: stickerView.bounds)\n\/\/ \u6dfb\u52a0\u5230\u4e3b\u89c6\u56fe\nview.addSubview(drawingView)\n\/\/ \u6dfb\u52a0\u7ea6\u675f\u9632\u6b62\u548c\u8d34\u7eb8\u89c6\u56fe\u91cd\u53e0\ndrawingView.translatesAutoresizingMaskIntoConstraints = false\nNSLayoutConstraint.activate([\n  drawingView.topAnchor.constraint(equalTo: stickerView.topAnchor),\n  drawingView.leftAnchor.constraint(equalTo: stickerView.leftAnchor),\n  drawingView.rightAnchor.constraint(equalTo: stickerView.rightAnchor),\n  drawingView.bottomAnchor.constraint(equalTo: stickerView.bottomAnchor)\n])<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u5728 <strong>viewDidLoad()<\/strong> \u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">addCanvasForDrawing()\ndrawingView.isHidden = true\n\/\/ \u6dfb\u52a0\u7ed8\u56fe\u89c6\u56fe\uff0c\u521d\u59cb\u9690\u85cf<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\u5728 <strong>imagePickerController(_:didFinishPickingMediaWithInfo:)<\/strong> \u65b9\u6cd5\u4e2d\uff0c\u5728 <strong>addStickerButton<\/strong> \u7684 <strong>isEnabled<\/strong> \u5c5e\u6027\u5728\u88ab\u8bbe\u7f6e\u4e3a <strong>true<\/strong> \u4e4b\u540e\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">\/\/ \u6e05\u9664\u753b\u5e03\uff0c\u9690\u85cf\u7ed8\u56fe\u89c6\u56fe\u4ee5\u4fbf\u8868\u60c5\u7b26\u53f7\u7684\u8d34\u7eb8\u53ef\u4ee5\u6b63\u786e\u5c55\u793a\ndrawingView.clearCanvas()\ndrawingView.isHidden = false<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u8bd1\u5e76\u4e14\u8fd0\u884c App\uff0c\u9009\u62e9\u4e00\u5f20\u7167\u7247\uff0c\u4f7f\u7528\u9f20\u6807\u6216\u8005\u624b\u6307\uff0c\u9a8c\u8bc1\u4e0b\u8f7d\u56fe\u7247\u4e0a\u53ef\u4ee5\u7ed8\u5236\u56fe\u5f62\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mpx5.png\" alt=\"Waterfall with quote and drawings added\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u5c0f\u76ee\u6807\u641e\u5b9a\uff01\u6211\u4eec\u7ee7\u7eed\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fdb\u884c\u6a21\u578b\u9884\u6d4b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece <strong>starter<\/strong> \u7684 <strong>Models<\/strong> \u6587\u4ef6\u5939\u4e2d\u62d6\u62fd <strong>UpdatableDrawingClassifier.mlmodel<\/strong> \u5230 Xcode \u9879\u76ee\u89c6\u56fe\u4e2d <strong>Models<\/strong> \u7ec4\u91cc\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/m6j4.png\" alt=\"Add updatable model in Xcode\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5728\u9879\u76ee\u5bfc\u822a\u7a97\u683c\u91cc\u9009\u4e2d <strong>UpdatableDrawingClassifier.mlmodel<\/strong> \u6587\u4ef6\uff0c\u5728 <strong>Updates<\/strong> \u8fd9\u4e2a\u6807\u7b7e\u91cc\u5217\u51fa\u4e86\u6a21\u578b\u5728\u8bad\u7ec3\u671f\u95f4\u671f\u671b\u7684\u4e24\u4e2a\u8f93\u5165\uff0c\u4e00\u4e2a\u4ee3\u8868\u7ed8\u5236\u7684\u56fe\u5f62\uff0c\u53e6\u4e00\u4e2a\u4ee3\u8868\u8868\u60c5\u7b26\u53f7\u7684\u6807\u7b7e\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/m81T.png\" alt=\"Updatable model details in Xcode\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Predictions<\/strong> \u90e8\u5206\u5c55\u793a\u4e86\u8f93\u5165\u548c\u8f93\u51fa\uff0c\u683c\u5f0f\u548c\u8bad\u7ec3\u671f\u95f4\u4f7f\u7528\u7684\u683c\u5f0f\u4e00\u81f4\uff0c\u8f93\u51fa\u9879\u8868\u793a\u8868\u60c5\u7b26\u53f7\u7684\u6807\u7b7e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728Xcode\u7684\u9879\u76ee\u5bfc\u822a\u7a97\u683c\u4e2d\u9009\u62e9 <strong>Models<\/strong> \u6587\u4ef6\u5939\uff0c\u7136\u540e:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u70b9\u51fb File \u25b8 New \u25b8 File&#8230;<\/li>\n\n\n\n<li>\u5728\u5bf9\u8bdd\u6846\u4e2d\u9009\u62e9 iOS \u25b8 Source \u25b8 Swift File\uff0c\u70b9\u51fb <strong>Next<\/strong> \u3002<\/li>\n\n\n\n<li>\u5c06\u521b\u5efa\u7684\u6587\u4ef6\u547d\u540d\u4e3a <strong>UpdatableModel.swift<\/strong> \u70b9\u51fb <strong>Create<\/strong> \u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u6587\u4ef6\u5934\u90e8\u7684 <strong>import Foundation<\/strong> \u66ff\u6362\u4e3a:<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">import CoreML   \/\/ \u5f15\u5165\u673a\u5668\u5b66\u4e60\u6846\u67b6<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">extension UpdatableDrawingClassifier {\n  \/\/ \u786e\u4fdd\u56fe\u50cf\u4e0e\u6a21\u578b\u6240\u671f\u671b\u7684\u4e00\u81f4\n  var imageConstraint: MLImageConstraint {\n    return model.modelDescription\n      .inputDescriptionsByName[\"drawing\"]!\n      .imageConstraint!\n  }\n\n  \/\/ \u7528\u7ed8\u56fe\u7684CVPixelBuffer\u8c03\u7528\u6a21\u578b\u7684\u9884\u6d4b\u65b9\u6cd5\u3002\n  \/\/ \u8fd4\u56de\u9884\u6d4b\u7684\u8868\u60c5\u7b26\u53f7\u6807\u7b7e\uff0c\u5982\u679c\u6ca1\u6709\u5339\u914d\u7684\u5219\u8fd4\u56denil\n  func predictLabelFor(_ value: MLFeatureValue) -> String? {\n    guard\n      let pixelBuffer = value.imageBufferValue,\n      let prediction = try? prediction(drawing: pixelBuffer).label\n      else {\n         return nil\n    }\n    if prediction == \"unknown\" {\n      print(\"No prediction found\")\n      return nil\n    }\n    return prediction\n  }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u66f4\u65b0\u6a21\u578b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 <strong>UpdatableModel.swift<\/strong> \u6587\u4ef6\u7684 <strong>import<\/strong> \u533a\u57df\u540e\u9762\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801:<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">\/\/ \u6620\u5c04\u53ef\u66f4\u65b0\u7684\u6a21\u578b\nstruct UpdatableModel {\n  private static var updatedDrawingClassifier: UpdatableDrawingClassifier?\n  private static let appDirectory = FileManager.default.urls(\n    for: .applicationSupportDirectory,\n    in: .userDomainMask).first!\n  \/\/ \u6307\u5411\u539f\u59cb\u7f16\u8bd1\u6a21\u578b\n  private static let defaultModelURL =\n  UpdatableDrawingClassifier.urlOfModelInThisBundle\n  \/\/ \u4fdd\u5b58\u6a21\u578b\u7684\u4f4d\u7f6e\n  private static var updatedModelURL =\n  appDirectory.appendingPathComponent(\"personalized.mlmodelc\")\n  private static var tempUpdatedModelURL =\n  appDirectory.appendingPathComponent(\"personalized_tmp.mlmodelc\")\n\n  private init() { }\n\n  static var imageConstraint: MLImageConstraint {\n    guard let model = try? updatedDrawingClassifier ?? UpdatableDrawingClassifier(configuration: MLModelConfiguration()) else {\n      fatalError(\"init UpdatableDrawingClassifier error\")\n    }\n    return model.imageConstraint\n  }\n}<\/pre>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><blockquote>\n<p>TIPS: Core ML\u4f7f\u7528\u4e00\u4e2a\u6269\u5c55\u540d\u4e3a.mlmodelc\u7684\u7f16\u8bd1\u6a21\u578b\u6587\u4ef6\uff0c\u5b83\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u6587\u4ef6\u5939\u3002<\/p>\n<\/blockquote>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u5c06\u6a21\u578b\u52a0\u8f7d\u5230\u5185\u5b58<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\uff0c\u5728\u4e0a\u9762\u8fd9\u4e2a <strong>struct<\/strong> \u5b9a\u4e49\u540e\u9762\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">private extension UpdatableModel {\n  \/\/ \u52a0\u8f7d\u6a21\u578b\n  static func loadModel() {\n    let fileManager = FileManager.default\n    if !fileManager.fileExists(atPath: updatedModelURL.path) {\n      do {\n        let updatedModelParentURL =\n          updatedModelURL.deletingLastPathComponent()\n        try fileManager.createDirectory(\n          at: updatedModelParentURL,\n          withIntermediateDirectories: true,\n          attributes: nil)\n        let toTemp = updatedModelParentURL\n          .appendingPathComponent(defaultModelURL.lastPathComponent)\n        try fileManager.copyItem(\n          at: defaultModelURL,\n          to: toTemp)\n        try fileManager.moveItem(\n          at: toTemp,\n          to: updatedModelURL)\n      } catch {\n        print(\"Error: \\(error)\")\n        return\n      }\n    }\n    guard let model = try? UpdatableDrawingClassifier(\n      contentsOf: updatedModelURL) else {\n      return\n    }\n    \/\/ \u6a21\u578b\u52a0\u8f7d\u5230\u5185\u5b58\n    updatedDrawingClassifier = model\n  }\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u4ee3\u7801\u5c06\u5df2\u7ecf\u66f4\u65b0\u3001\u7f16\u8bd1\u5b8c\u6bd5\u7684\u6a21\u578b\u52a0\u8f7d\u5230\u5185\u5b58\u3002\u63a5\u4e0b\u6765\u5728 <strong>struct<\/strong> \u5b9a\u4e49\u540e\u9762\u6dfb\u52a0\u8fd9\u4e2a\u516c\u5f00\u7684\u6269\u5c55\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">extension UpdatableModel {\n  static func predictLabelFor(_ value: MLFeatureValue) -> String? {\n    loadModel()\n    return updatedDrawingClassifier?.predictLabelFor(value)\n  }\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>predict<\/strong> \u65b9\u6cd5\u5c06\u6a21\u578b\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u5e76\u4e14\u5728\u4f60\u6dfb\u52a0\u7684\u6269\u5c55\u65b9\u6cd5\u4e2d\u8c03\u7528\u9884\u6d4b\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\u6253\u5f00 <strong>Drawing.swift<\/strong> \u6587\u4ef6\u5728 <strong>import PencilKit<\/strong> \u540e\u9762\u6dfb\u52a0\u4ee5\u4e0b\u5bfc\u5165\u4ee3\u7801\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">import CoreML<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f00\u59cb\u51c6\u5907\u9884\u6d4b\u8f93\u5165\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9884\u6d4b\u51c6\u5907<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Core ML<\/strong> \u5e0c\u671b\u5f00\u53d1\u4eba\u5458\u5c06\u9884\u6d4b\u7684\u8f93\u5165\u6570\u636e\u5305\u88c5\u5728\u4e00\u4e2a <strong>MLFeatureValue<\/strong> \u5bf9\u8c61\u4e2d\uff0c\u8fd9\u4e2a\u5bf9\u8c61\u5305\u542b\u6570\u636e\u7c7b\u578b\u548c\u6570\u636e\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 <strong>Drawing.swift<\/strong> \u6587\u4ef6\u5df2\u7ecf\u5b9a\u4e49\u7684 <strong>struct Drawing<\/strong> \u5c3e\u90e8\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">var featureValue: MLFeatureValue {\n  let imageConstraint = UpdatableModel.imageConstraint\n\n  let preparedImage = whiteTintedImage\n\n  let imageFeatureValue =\n    try? MLFeatureValue(cgImage: preparedImage, constraint: imageConstraint)\n  return imageFeatureValue!\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6bb5\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u8ba1\u7b97\u5c5e\u6027\uff0c\u7528\u4e8e\u8bbe\u7f6e\u7ed8\u56fe\u7684\u7279\u5f81\u5bf9\u8c61\uff0c\u8fd9\u4e2a\u7279\u5f81\u5bf9\u8c61\u662f\u57fa\u4e8e\u4e00\u4e2a\u5168\u767d\u7684\u56fe\u50cf\u548c\u56fe\u50cf\u7684\u76f8\u5173\u7ea6\u675f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\u4f60\u5df2\u7ecf\u51c6\u5907\u597d\u4e86\u8f93\u5165\u6570\u636e\uff0c\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u89e6\u53d1\u9884\u6d4b\u52a8\u4f5c\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u6253\u5f00 <strong>CreateQuoteViewController.swift<\/strong> \uff0c\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0 <strong>DrawingViewDelegate<\/strong> \u6269\u5c55\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">extension CreateQuoteViewController: DrawingViewDelegate {\n  func drawingDidChange(_ drawingView: DrawingView) {\n    \/\/ \u7ed8\u56fe\u7684\u8fb9\u754c\uff0c\u9632\u6b62\u8d8a\u754c\n    let drawingRect = drawingView.boundingSquare()\n    \/\/ \u7ed8\u56fe\u5b9e\u4f8b\n    let drawing = Drawing(\n      drawing: drawingView.canvasView.drawing,\n      rect: drawingRect)\n    \/\/ \u4e3a\u7ed8\u56fe\u9884\u6d4b\u8f93\u5165\u521b\u5efa\u7279\u5f81\u503c\n    let imageFeatureValue = drawing.featureValue\n    \/\/ \u8fdb\u884c\u9884\u6d4b\uff0c\u4ee5\u83b7\u5f97\u4e0e\u8be5\u7ed8\u5236\u56fe\u5f62\u76f8\u5bf9\u5e94\u7684\u8868\u60c5\u7b26\u53f7\n    let drawingLabel =\n      UpdatableModel.predictLabelFor(imageFeatureValue)\n    \/\/ \u66f4\u65b0\u4e3b\u961f\u5217\u4e2d\u7684\u89c6\u56fe\uff0c\u6e05\u9664\u753b\u5e03\u5e76\u5c06\u9884\u6d4b\u7684\u8868\u60c5\u7b26\u53f7\u6dfb\u52a0\u5230\u4e3b\u89c6\u56fe\u4e2d\n    DispatchQueue.main.async {\n      drawingView.clearCanvas()\n      guard let emoji = drawingLabel else {\n        return\n      }\n      self.addStickerToCanvas(emoji, at: drawingRect)\n    }\n  }\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u56de\u5fc6\u4e00\u4e0b\uff0c\u4e0a\u9762\u7684\u6b65\u9aa4\u4e2d\u4f60\u5df2\u7ecf\u6dfb\u52a0\u4e86\u4e00\u4e2a <strong>DrawingView<\/strong> \u6765\u7ed8\u5236\u8868\u60c5\u7b26\u53f7\u7684\u5feb\u6377\u65b9\u5f0f\uff0c\u5728\u4ee5\u4e0a\u4ee3\u7801\u4e2d\u9075\u5faa\u4e86 <strong>DrawingViewDelegate<\/strong> \uff0c\u5728\u6bcf\u6b21\u7ed8\u56fe\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u8fd9\u90e8\u5206\u4ee3\u7801\u5c31\u4f1a\u5f97\u5230\u54cd\u5e94\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u7740\u5728 <strong>imagePickerController(_:didFinishPickingMediaWithInfo:)<\/strong> \u5220\u9664\u4ee5\u4e0b\u91cd\u7f6e\u753b\u5e03\u7684\u64cd\u4f5c\uff0c\u56e0\u4e3a\u5728\u4e0a\u9762\u8fdb\u884c\u9884\u6d4b\u7684\u65b9\u6cd5\u4e2d\u5df2\u7ecf\u6e05\u7406\u4e86\u753b\u5e03\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">drawingView.clearCanvas()<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d4b\u8bd5\u9884\u6d4b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\u5728 <strong>addCanvasForDrawing()<\/strong> \u65b9\u6cd5\u4e2d\u6dfb\u52a0 <strong>drawingView<\/strong> \u7684\u4ee3\u7406\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">drawingView.delegate = self<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4f7f\u5f97\u89c6\u56fe\u63a7\u5236\u5668\u6210\u4e3a\u7ed8\u56fe\u89c6\u56fe\u4ee3\u7406\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u8bd1\u5e76\u8fd0\u884c\u8be5\u5e94\u7528\u7a0b\u5e8f\uff0c\u9009\u62e9\u4e00\u5f20\u7167\u7247\u3002\u5728\u753b\u5e03\u4e0a\u7ed8\u56fe\uff0c\u9a8c\u8bc1\u7ed8\u56fe\u5b8c\u6210\u540e\uff0c\u753b\u5e03\u662f\u5426\u88ab\u91cd\u7f6e\uff0c\u5e76\u5728\u63a7\u5236\u53f0\u4e2d\u8bb0\u5f55\u4e86\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mLwj.png\" alt=\"Log results shows no prediction\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u662f\u610f\u6599\u4e4b\u4e2d\u7684\u4e8b\u3002\u4f60\u8fd8\u6ca1\u6709\u6dfb\u52a0\u8868\u60c5\u8d34\u7eb8\u7684\u5feb\u6377\u65b9\u5f0f\u5462~<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\u6765\u5230\u6dfb\u52a0\u8868\u60c5\u8d34\u7eb8\u5feb\u6377\u65b9\u5f0f\u7684\u6d41\u7a0b\u3002\u5728\u4f60\u56de\u5230\u6240\u9009\u7167\u7247\u7684\u89c6\u56fe\u540e\uff0c\u7ed8\u5236\u540c\u6837\u7684\u5feb\u6377\u65b9\u5f0f\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mdSA.png\" alt=\"Close-up of dandelion with quote\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u54ce\u5440\uff0c\u8d34\u7eb8\u8fd8\u662f\u6ca1\u6709\u88ab\u6dfb\u52a0! \u4f60\u53ef\u4ee5\u67e5\u770b\u63a7\u5236\u53f0\u65e5\u5fd7\u6765\u67e5\u770b\u95ee\u9898\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mgK1.png\" alt=\"Sticker still not added\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u7ecf\u8fc7\u4e00\u756a\u6298\u817e\u4e4b\u540e\uff0c\u4f60\u53ef\u80fd\u4f1a\u6ce8\u610f\u5230\u8bad\u7ec3\u7684\u6a21\u578b\u5bf9\u6240\u8981\u6dfb\u52a0\u7684\u8d34\u7eb8\u5b8c\u5168\u65e0\u6cd5\u7406\u89e3\u3002\u662f\u65f6\u5019\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u4e86\uff01<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u66f4\u65b0\u6a21\u578b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u65b0\u6a21\u578b\u9700\u8981\u521b\u5efa\u4e00\u4e2a <strong>MLUpdateTask<\/strong> \u3002\u66f4\u65b0\u4efb\u52a1\u7684\u521d\u59cb\u5316\u65b9\u6cd5\u9700\u8981\u7f16\u8bd1\u540e\u7684\u6a21\u578b\u6587\u4ef6\u3001\u7eed\u8054\u6570\u636e\u548c\u4e00\u4e2a\u5b8c\u6210\u540e\u7684\u56de\u8c03\u53e5\u67c4\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u628a\u66f4\u65b0\u540e\u7684\u6a21\u578b\u4fdd\u5b58\u5230\u78c1\u76d8\u5e76\u4e14\u91cd\u65b0\u52a0\u8f7d\uff0c\u65b0\u7684\u9884\u6d4b\u5c31\u4f1a\u4f7f\u7528\u6700\u65b0 \u7684\u6a21\u578b\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u4f60\u9700\u8981\u6839\u636e\u5feb\u6377\u65b9\u5f0f\u7684\u7ed8\u5236\u56fe\u5f62\u51c6\u5907\u8bad\u7ec3\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56de\u987e\u4e00\u4e0b\uff0c\u4e4b\u524d\u901a\u8fc7\u4f20\u5165\u4e00\u4e2a <strong>MLFeatureProvider<\/strong> \u7279\u5f81\u5bf9\u8c61\u8f93\u5165\u6765\u8fdb\u884c\u6a21\u578b\u9884\u6d4b\u6d41\u7a0b\uff0c\u540c\u6837\u7684\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f20\u5165\u4e00\u4e2a <strong>MLFeatureProvider<\/strong> \u7279\u5f81\u5bf9\u8c61\u8f93\u5165\u6765\u8bad\u7ec3\u4e00\u4e2a\u6a21\u578b\u3002\u53e6\u5916\u4f60\u4e5f\u53ef\u4ee5\u4f20\u5165\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u7279 \u5f81\u7684 <strong>MLBatchProvider<\/strong> \u6765\u8fdb\u884c\u6279\u91cf\u9884\u6d4b\u6216\u8005\u6279\u91cf\u8bad\u7ec3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8981\u8fdb\u884c\u4ee5\u4e0a\u7684\u64cd\u4f5c\uff0c\u9996\u5148\uff0c\u6253\u5f00 <strong>DrawingDataStore.swift<\/strong> \u6587\u4ef6\u66ff\u6362 <strong>import Foundation<\/strong> \u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">import CoreML<\/pre>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><blockquote>\n<p>\u8bd1\u8005\u6ce8\uff1a\u5bfc\u5165CoreML \u7684\u65f6\u5019\uff0c\u5185\u90e8\u5df2\u7ecf\u5bfc\u5165\u8fc7Foundation\u6846\u67b6\uff0c\u6240\u4ee5\u8fd9\u91cc\u76f4\u63a5\u66ff\u6362\u6389\u5c31\u53ef\u4ee5\u4e86<\/p>\n<\/blockquote>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u5728\u6269\u5c55\u7684\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">func prepareTrainingData() throws -> MLBatchProvider {\n  \/\/ \u521d\u59cb\u5316\u4e00\u4e2a\u7a7a\u7684 MLFeatureProvider \u6570\u7ec4\n  var featureProviders: [MLFeatureProvider] = []\n  \/\/ \u5b9a\u4e49\u6a21\u578b\u8bad\u7ec3\u8f93\u5165\u7684\u540d\u79f0\n  let inputName = \"drawing\"\n  let outputName = \"label\"\n  \/\/ \u5faa\u73af\u6d4f\u89c8\u6570\u636e\u5b58\u50a8\u4e2d\u7684\u56fe\u5f62\u6570\u636e\n  for drawing in drawings {\n    if let drawing = drawing {\n      \/\/ \u5c06\u7ed8\u56fe\u8bad\u7ec3\u8f93\u5165\u5305\u5728\u4e00\u4e2a\u7279\u5f81\u503c\u4e2d\n      let inputValue = drawing.featureValue\n      \/\/ \u5c06emoji\u8bad\u7ec3\u8f93\u5165\u5305\u5728\u4e00\u4e2a\u7279\u5f81\u503c\u4e2d\n      let outputValue = MLFeatureValue(string: emoji)\n      \/\/ \u4e3a\u8bad\u7ec3\u8f93\u5165\u521b\u5efa\u4e00\u4e2aMLFeatureValue\u96c6\u5408\u3002\u8fd9\u662f\u4e00\u4e2a\u8bad\u7ec3\u8f93\u5165\u540d\u79f0\u548c\u7279\u5f81\u503c\u7684\u5b57\u5178\u3002\n      let dataPointFeatures: [String: MLFeatureValue] =\n        [inputName: inputValue,\n        outputName: outputValue]\n      \/\/ \u4e3a MLFeatureValue \u96c6\u5408\u521b\u5efa\u4e00\u4e2a MLFeatureProvider\uff0c\u5e76\u5c06\u5176\u8ffd\u52a0\u5230\u6570\u7ec4\u4e2d\n      if let provider =\n        try? MLDictionaryFeatureProvider(\n          dictionary: dataPointFeatures) {\n        featureProviders.append(provider)\n      }\n    }\n  }\n  \/\/ \u6700\u540e\uff0c\u4eceMLFeatureProvider\u6570\u7ec4\u4e2d\u521b\u5efa\u4e00\u4e2a\u6279\u5904\u7406\u5bf9\u8c61\uff08MLArrayBatchProvider\uff09\n  return MLArrayBatchProvider(array: featureProviders)\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\uff0c\u6253\u5f00 <strong>UpdatableModel.swift<\/strong> \u6587\u4ef6\uff0c\u5728 <strong>UpdatableDrawingClassifier<\/strong> \u6269\u5c55\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">static func updateModel(\n  at url: URL,\n  with trainingData: MLBatchProvider,\n  completionHandler: @escaping (MLUpdateContext) -> Void\n) {\n  do {\n    let updateTask = try MLUpdateTask(\n      forModelAt: url,\n      trainingData: trainingData,\n      configuration: nil,\n      completionHandler: completionHandler)\n    updateTask.resume()\n  } catch {\n    print(\"Couldn't create an MLUpdateTask.\")\n  }\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u4ee3\u7801\u4f7f\u7528\u7f16\u8bd1\u540e\u7684\u6a21\u578bURL\u521b\u5efa <strong>MLUpdateTask<\/strong> \uff0c\u8fd8\u4f20\u5165\u4e86\u4e00\u4e2a\u5e26\u6709\u8bad\u7ec3\u6570\u636e\u6279\u5904\u7406 <strong>MLBatchProvider<\/strong> \u3002\u5bf9\u8fd9\u4e2a\u4efb\u52a1\u8c03\u7528 <strong>resume()<\/strong> \u5f00\u59cb\u8bad\u7ec3\uff0c\u5f53\u8bad\u7ec3\u7ed3\u675f\u65f6\uff0c <strong>completionHandler<\/strong> \u88ab\u8c03\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fdd\u5b58\u6a21\u578b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\uff0c\u5728 <strong>UpdatableModel<\/strong> \u79c1\u6709\u6269\u5c55\uff08private extension\uff09\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">static func saveUpdatedModel(_ updateContext: MLUpdateContext) {\n  \/\/ \u9996\u5148\uff0c\u4ece\u5185\u5b58\u4e2d\u83b7\u53d6\u66f4\u65b0\u7684\u6a21\u578b\u3002\u8fd9\u4e0e\u539f\u59cb\u6a21\u578b\u4e0d\u4e00\u6837\u3002\n  let updatedModel = updateContext.model\n  let fileManager = FileManager.default\n  do {\n    \/\/ \u7136\u540e\uff0c\u521b\u5efa\u4e00\u4e2a\u4e2d\u95f4\u6587\u4ef6\u5939\u6765\u4fdd\u5b58\u66f4\u65b0\u7684\u6a21\u578b\u3002\n    try fileManager.createDirectory(\n        at: tempUpdatedModelURL,\n        withIntermediateDirectories: true,\n        attributes: nil)\n    \/\/ \u628a\u66f4\u65b0\u7684\u6a21\u578b\u5199\u5230\u4e00\u4e2a\u4e34\u65f6\u6587\u4ef6\u5939\u4e2d\n    try updatedModel.write(to: tempUpdatedModelURL)\n    \/\/ \u66ff\u6362\u6a21\u578b\u6587\u4ef6\u5939\u7684\u5185\u5bb9\n    \/\/ \u76f4\u63a5\u8986\u76d6\u73b0\u6709\u7684mlmodelc\u6587\u4ef6\u5939\u4f1a\u51fa\u73b0\u9519\u8bef\u3002\n    \/\/ \u89e3\u51b3\u65b9\u6848\u662f\u4fdd\u5b58\u5230\u4e00\u4e2a\u4e2d\u95f4\u6587\u4ef6\u5939\uff0c\u7136\u540e\u628a\u5185\u5bb9\u590d\u5236\u8fc7\u6765\u3002\n    _ = try fileManager.replaceItemAt(\n      updatedModelURL,\n      withItemAt: tempUpdatedModelURL)\n    print(\"Updated model saved to:\\n\\t\\(updatedModelURL)\")\n  } catch let error {\n    print(\"Could not save updated model to the file system: \\(error)\")\n    return\n  }\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u8f85\u52a9\u7c7b\u5b8c\u6210\u4e86\u4fdd\u5b58\u66f4\u65b0\u6a21\u578b\u7684\u4efb\u52a1\uff0c\u5b83\u63a5\u6536\u4e86\u4e00\u4e2a <strong>MLUpdateContext<\/strong> \uff0c\u5176\u4e2d\u5305\u542b\u4e86\u8bad\u7ec3\u76f8\u5173\u7684\u6709\u7528\u4fe1\u606f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6267\u884c\u66f4\u65b0\u540e\u7684\u6a21\u578b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 <strong>UpdatableModel<\/strong> \u7684\u516c\u5f00\u6269\u5c55(public extension)\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">static func updateWith(\n  trainingData: MLBatchProvider,\n  completionHandler: @escaping () -> Void\n) {\n  loadModel()\n  UpdatableDrawingClassifier.updateModel(\n    at: updatedModelURL,\n    with: trainingData) { context in\n      saveUpdatedModel(context)\n      DispatchQueue.main.async { completionHandler() }\n  }\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u4ee3\u7801\u5c06\u6a21\u578b\u52a0\u8f7d\u5230\u5185\u5b58\uff0c\u7136\u540e\u8c03\u7528\u79c1\u6709\u6269\u5c55\u4e2d\u5b9a\u4e49\u7684\u66f4\u65b0\u65b9\u6cd5\uff0c\u5b8c\u6210\u5904\u7406\u6d41\u7a0b\u540e\u4fdd\u5b58\u66f4\u65b0\u540e\u7684\u6a21\u578b\uff0c\u7136\u540e\u518d\u8fd0\u884c\u8fd9\u4e2a\u6d41\u7a0b\u4e2d\u7684\u6210\u529f\u56de\u8c03\u53e5\u67c4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\uff0c\u6253\u5f00 <strong>AddShortcutViewController.swift<\/strong> \u6587\u4ef6\uff0c\u66ff\u6362 <strong>savePressed(_:)<\/strong> \u65b9\u6cd5\u7684\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">do {\n  let trainingData = try drawingDataStore.prepareTrainingData()\n  DispatchQueue.global(qos: .userInitiated).async {\n    UpdatableModel.updateWith(trainingData: trainingData) {\n      DispatchQueue.main.async {\n        self.performSegue(\n          withIdentifier: \"AddShortcutUnwindSegue\",\n          sender: self)\n      }\n    }\n  }\n} catch {\n  print(\"Error updating model\", error)\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fd9\u91cc\uff0c\u4f60\u5df2\u7ecf\u5427\u4e00\u5207\u90fd\u6df7\u5408\u5728\u4e00\u8d77\u3002\u8bbe\u7f6e\u597d\u8bad\u7ec3\u6570\u636e\u540e\uff0c\u542f\u52a8\u4e86\u4e00\u4e2a\u540e\u53f0\u7ebf\u7a0b\u6765\u66f4\u65b0\u6a21\u578b\uff0c\u66f4\u65b0\u5b8c\u6bd5\u540e\u8c03\u7528 <strong>AddShortcutUnwindSegue<\/strong> \u8df3\u8f6c\u4f1a\u4e3b\u89c6\u56fe\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u8bd1\u5e76\u4e14\u8fd0\u884cApp\uff0c\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u521b\u5efa\u4e00\u4e2a\u5feb\u6377\u65b9\u5f0f\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mhU2.png\" alt=\"Add a shortcut screen with heart eyes emoji, there gray rectangles with hearts drawn in them\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u4f60\u70b9\u51fb <strong>Save<\/strong> \u6309\u94ae\u65f6\uff0c\u89c2\u5bdf\u4ee5\u4e0b Xcode \u7684\u63a7\u5236\u53f0\u8f93\u51fa\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mHor.png\" alt=\"Model update logged\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5728\u9009\u5b9a\u7684\u7167\u7247\u4e0a\u7ed8\u5236\u540c\u6837\u7684\u5feb\u6377\u65b9\u5f0f\u56e2\uff0c\u5e76\u9a8c\u8bc1\u662f\u5426\u663e\u793a\u4e86\u6b63\u786e\u7684\u8868\u60c5\u7b26\u53f7\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mbkn.png\" alt=\"Four screens: flower close up with quote, add a shortcut with hearts, flower close up with heart, flower closeup with heart eye emoji\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u606d\u559c\u4f60\uff0c\u83b7\u5f97\u4e86\u673a\u5668\u5b66\u4e60\u5fcd\u8005\u79f0\u53f7!<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/img.hjwzs.xyz\/images\/2024\/01\/02\/mqhQ.png\" alt=\"Machine Learning ninja warrior\"\/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u63a5\u4e0b\u6765\u5462\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u53ef\u4ee5\u770b\u4e0b\u4e0b\u8f7d\u9879\u76ee\u4e2d\u5df2\u7ecf\u5b8c\u6210\u7684\u9879\u76ee\uff08<em>\u5728 <strong>final<\/strong> \u6587\u4ef6\u5939\u91cc\uff0c\u4f46\u662fXode 12.5\u53ef\u80fd\u8dd1\u4e0d\u8d77\u6765\u3002\u3002\u8bd1\u8005\u6ce8<\/em>\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770biOS\u4e2d\u7684 <a href=\"https:\/\/www.raywenderlich.com\/1320561-machine-learning-in-ios\">\u673a\u5668\u5b66\u4e60\u89c6\u9891\u8bfe\u7a0b<\/a> \uff0c\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u5982\u4f55\u4f7f\u7528 <strong>Create ML<\/strong> \u548c <strong>Turi Create<\/strong> \u6765\u8bad\u7ec3\u81ea\u5df1\u7684\u6a21\u578b\u3002<a href=\"https:\/\/www.raywenderlich.com\/188-beginning-machine-learning-with-keras-core-ml\">Beginning Machine Learning with Keras &amp; Core ML <\/a>\u6307\u5bfc\u4f60\u5982\u4f55\u8bad\u7ec3\u4e00\u4e2a\u795e\u7ecf\u7f51\u7edc\u5e76\u5c06\u5176\u8f6c\u6362\u4e3aCore ML\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Create ML\u5e94\u7528\u53ef\u4ee5\u8ba9\u4f60\u5efa\u7acb\u3001\u8bad\u7ec3\u548c\u90e8\u7f72\u673a\u5668\u5b66\u4e60\u6a21\u578b\uff0c\u4e0d\u9700\u8981\u673a\u5668\u5b66\u4e60\u7684\u4e13\u4e1a\u77e5\u8bc6\u3002\u4f60\u8fd8\u53ef\u4ee5\u67e5\u770bWWDC 2019\u7684\u5b98\u65b9\u89c6\u9891\uff0c<a href=\"https:\/\/developer.apple.com\/videos\/play\/wwdc2019\/209\/\">What\u2019s New in Machine Learning<\/a> \u548c <a href=\"https:\/\/developer.apple.com\/videos\/play\/wwdc2019\/424\/\">Training Object Detection Models in Create ML<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6559\u7a0b\u5411\u4f60\u4ecb\u7ecd Core ML \u548c Vision \u8fd9\u4e24\u4e2a\u6700\u65b0\u7684 iOS \u6846\u67b6\uff0c\u4ee5\u53ca\u5982\u4f55\u5728\u8bbe\u5907\u4e0a\u201c\u5fae\u8c03\u201d\u6a21\u578b\u3002  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[11,10,9],"class_list":["post-169","post","type-post","status-publish","format-standard","hentry","category-translated","tag-coreml","tag-ios","tag-mobile"],"_links":{"self":[{"href":"https:\/\/hjwzs.xyz\/index.php?rest_route=\/wp\/v2\/posts\/169","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hjwzs.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hjwzs.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hjwzs.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hjwzs.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=169"}],"version-history":[{"count":62,"href":"https:\/\/hjwzs.xyz\/index.php?rest_route=\/wp\/v2\/posts\/169\/revisions"}],"predecessor-version":[{"id":233,"href":"https:\/\/hjwzs.xyz\/index.php?rest_route=\/wp\/v2\/posts\/169\/revisions\/233"}],"wp:attachment":[{"href":"https:\/\/hjwzs.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hjwzs.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hjwzs.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}