{"id":19945,"date":"2025-12-17T08:48:44","date_gmt":"2025-12-17T00:48:44","guid":{"rendered":"https:\/\/92it.top\/?p=19945"},"modified":"2025-12-17T08:48:44","modified_gmt":"2025-12-17T00:48:44","slug":"cnn-%e5%8d%b7%e7%a7%af%e7%a5%9e%e7%bb%8f%e7%bd%91%e7%bb%9c","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=19945","title":{"rendered":"CNN \u5377\u79ef\u795e\u7ecf\u7f51\u7edc"},"content":{"rendered":"\n<p>\u8f6c\u8f7d\u5c0f\u7ea2\u4e66\uff1aAI\u4ea7\u54c1\u8d75\u54e5<\/p>\n\n\n\n<p><strong>\u80cc\u666f\ud83d\udd16<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u5728\u804a CNN \u4e4b\u524d\uff0c\u6211\u4eec\u5148\u6765\u505a\u4e00\u4e2a\u7b80\u5355\u7684\u5c0f\u4e92\u52a8\uff1a<\/p>\n\n\n\n<ul>\n<li>\u8bf7\u770b\u4e00\u773c\u4f60\u8eab\u8fb9\u7684\u4efb\u4f55\u4e00\u4e2a\u7269\u4f53\uff0c\u6bd4\u5982\u4e00\u4e2a\u6c34\u676f\u3002<\/li>\n\n\n\n<li>\u73b0\u5728\uff0c\u6211\u628a\u5b83\u7a0d\u5fae\u632a\u52a8\u4e00\u4e0b\u4f4d\u7f6e\uff0c\u518d\u8ba9\u4f60\u770b\u3002\u4f60\u4f9d\u7136\u8ba4\u5f97\u5b83\u3002<\/li>\n\n\n\n<li>\u6211\u628a\u5b83\u65cb\u8f6c\u4e00\u4e2a\u89d2\u5ea6\uff0c\u4f60\u8fd8\u8ba4\u5f97\u5b83\u3002<\/li>\n\n\n\n<li>\u6211\u628a\u5b83\u62ff\u5230\u5149\u7ebf\u66f4\u6697\u7684\u5730\u65b9\uff0c\u4f60\u4f9d\u7136\u8ba4\u5f97\u5b83\u3002<\/li>\n\n\n\n<li>\u6211\u751a\u81f3\u7528\u624b\u6321\u4f4f\u5b83\u7684\u4e00\u534a\uff0c\u4f60\u7684\u5927\u8111\u4e5f\u80fd\u7acb\u523b\u8111\u8865\u51fa\u5b83\u5b8c\u6574\u7684\u6837\u5b50\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5bf9\u6211\u4eec\u4eba\u7c7b\u6765\u8bf4\uff0c\u8fd9\u4e00\u5207\u90fd\u53d1\u751f\u5f97\u5982\u6b64\u81ea\u7136\uff0c\u4ee5\u81f3\u4e8e\u6211\u4eec\u4ece\u672a\u601d\u8003\u8fc7\uff0c\u8fd9\u4e2a\u8bc6\u522b\u7684\u8fc7\u7a0b\uff0c\u5230\u5e95\u6709\u591a\u4e48\u795e\u5947\u548c\u590d\u6742\u3002<\/p>\n\n\n\n<p>\u4f46\u5728\u8ba1\u7b97\u673a\u7684\u773c\u4e2d\uff0c\u4e16\u754c\u5b8c\u5168\u662f\u53e6\u4e00\u756a\u6a21\u6837\u3002\u4e00\u5f20\u56fe\u7247\uff0c\u5bf9\u5b83\u6765\u8bf4\uff0c\u53ea\u662f\u4e00\u4e2a\u7531\u51e0\u767e\u4e07\u4e2a\u4ee3\u8868\u7740\u989c\u8272\u548c\u4eae\u5ea6\u7684\u6570\u5b57\uff08\u50cf\u7d20\uff09\u7ec4\u6210\u7684\u3001\u5de8\u5927\u800c\u51b0\u51b7\u7684\u77e9\u9635\u3002<\/p>\n\n\n\n<ul>\n<li>\u4f60\u628a\u56fe\u7247\u91cc\u7684\u6c34\u676f\u5411\u53f3\u5e73\u79fb\u4e86 10 \u4e2a\u50cf\u7d20\uff0c\u5bf9\u4e8e\u8ba1\u7b97\u673a\u6765\u8bf4\uff0c\u6574\u4e2a\u6570\u5b57\u77e9\u9635\u90fd\u53d8\u4e86\uff01\u5b83\u770b\u5230\u7684\u662f\u4e00\u5f20\u5168\u65b0\u7684\u3001\u5b8c\u5168\u4e0d\u540c\u7684\u56fe\u7247\u3002<\/li>\n\n\n\n<li>\u4f60\u628a\u56fe\u7247\u7684\u5149\u7ebf\u8c03\u6697\u4e86\u4e00\u70b9\uff0c\u77e9\u9635\u91cc\u6240\u6709\u7684\u6570\u5b57\u4e5f\u90fd\u53d8\u4e86\uff01<\/li>\n<\/ul>\n\n\n\n<p>\u90a3\u4e48\uff0cAI \u662f\u5982\u4f55\u514b\u670d\u8fd9\u79cd\u6b7b\u677f\u7684\u6570\u5b57\u89c6\u89d2\uff0c\u5b66\u4f1a\u50cf\u6211\u4eec\u4eba\u7c7b\u4e00\u6837\uff0c\u4ece\u5343\u53d8\u4e07\u5316\u7684\u50cf\u7d20\u4e2d\uff0c\u8bc6\u522b\u51fa\u7269\u4f53\u672c\u8d28\u7684\u5462\uff1f<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u95ee\u9898\u7684\u7b54\u6848\uff0c\u5c31\u85cf\u5728\u6211\u4eec\u4eca\u5929\u8981\u804a\u7684\uff0c\u4eba\u5de5\u667a\u80fd\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u7684\u91cd\u8981\u6982\u5ff5 \u2014\u2014CNN\uff08Convolutional Neural Network\uff09\uff0c\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff01<\/p>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong> \u4e00\u3001\u5728 CNN \u4e4b\u524d \u2014\u2014 \u4f20\u7edf\u795e\u7ecf\u7f51\u7edc\u7684\u89c6\u89c9\u969c\u788d\ud83d\udd16<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u8981\u7406\u89e3 CNN \u7684\u9769\u547d\u6027\uff0c\u6211\u4eec\u5fc5\u987b\u5148\u770b\u770b\u5b83\u6253\u8d25\u7684\u90a3\u4e2a\u65e7\u65f6\u4ee3\u738b\u8005 \u2014\u2014 \u5168\u8fde\u63a5\u795e\u7ecf\u7f51\u7edc\uff08Fully Connected Neural Network, FCNN\uff09\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u5728\u300a\u795e\u7ecf\u7f51\u7edc\u300b\u90a3\u7b14\u8bb0\u91cc\u642d\u5efa\u7684\u90a3\u4e2a\u57fa\u7840\u6a21\u578b\u3002<\/p>\n\n\n\n<p>\u7528 FCNN \u6765\u505a\u56fe\u50cf\u8bc6\u522b\uff0c\u4f1a\u9047\u5230\u4e24\u4e2a\u707e\u96be\u6027\u7684\u95ee\u9898\uff1a<\/p>\n\n\n\n<p><strong>\ud83d\udd39\u707e\u96be\u4e00\uff1a\u53c2\u6570\u7206\u70b8 \u2014\u2014 \u591a\u5230\u65e0\u6cd5\u627f\u53d7<\/strong><\/p>\n\n\n\n<ul>\n<li>\u95ee\u9898\uff1aFCNN \u7684\u5168\u8fde\u63a5\u7279\u6027\uff0c\u610f\u5473\u7740\u4e0a\u4e00\u5c42\u7684\u6bcf\u4e00\u4e2a\u795e\u7ecf\u5143\uff0c\u90fd\u8981\u548c\u4e0b\u4e00\u5c42\u7684\u6bcf\u4e2a\u795e\u7ecf\u5143\u76f8\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u8ba1\u7b97\u4e00\u4e0b\uff1a\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u5f20\u5c0f\u5c0f\u7684 100&#215;100 \u50cf\u7d20\u7684\u5f69\u8272\u56fe\u7247\u3002\u25e6 \u8fd9\u5f20\u56fe\u7247\u7684\u8f93\u5165\u5c42\uff0c\u5c31\u9700\u8981 100 \u00d7 100 \u00d7 3\uff08RGB \u4e09\u901a\u9053\uff09= 30,000 \u4e2a\u795e\u7ecf\u5143\u3002\u25e6 \u5982\u679c\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u9690\u85cf\u5c42\uff0c\u4e5f\u8bbe\u7f6e\u4e86 30,000 \u4e2a\u795e\u7ecf\u5143\u3002\u25e6 \u90a3\u4e48\uff0c\u4ec5\u4ec5\u662f\u4ece\u8f93\u5165\u5c42\u5230\u7b2c\u4e00\u4e2a\u9690\u85cf\u5c42\uff0c\u6240\u9700\u8981\u7684\u8fde\u63a5\u6570\uff08\u4e5f\u5c31\u662f\u6743\u91cd\u53c2\u6570\uff09\uff0c\u5c31\u662f 30,000 \u00d7 30,000 = 9 \u4ebf\uff01<\/li>\n\n\n\n<li>\u540e\u679c\uff1a\u8fd9\u662f\u4e00\u4e2a\u5929\u6587\u6570\u5b57\uff01\u8981\u8bad\u7ec3\u8fd9\u4e48\u591a\u7684\u53c2\u6570\uff0c\u4e0d\u4ec5\u9700\u8981\u65e0\u6cd5\u60f3\u8c61\u7684\u8ba1\u7b97\u8d44\u6e90\uff0c\u6a21\u578b\u4e5f\u4f1a\u56e0\u4e3a\u53c2\u6570\u8fc7\u591a\u800c\u6781\u6613\u9677\u5165\u8fc7\u62df\u5408\uff08\u6b7b\u8bb0\u786c\u80cc\u8bad\u7ec3\u56fe\u7247\uff0c\u65e0\u6cd5\u6cdb\u5316\u65b0\u56fe\u7247\uff09\u3002\u800c\u8fd9\u8fd8\u53ea\u662f\u4e00\u5f20\u5c0f\u56fe\u7247\u7684\u7f51\u7edc\u7684\u7b2c\u4e00\u5c42\u800c\u5df2\uff01<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\ud83d\udd39\u707e\u96be\u4e8c\uff1a\u7a7a\u95f4\u7ed3\u6784\u4e22\u5931 \u2014\u2014 \u628a\u4e16\u754c\u63c9\u6210\u4e00\u56e2<\/strong><\/p>\n\n\n\n<ul>\n<li>\u95ee\u9898\uff1aFCNN \u5728\u5904\u7406\u56fe\u7247\u65f6\uff0c\u4f1a\u5148\u628a 100&#215;100 \u7684\u4e8c\u7ef4\u50cf\u7d20\u77e9\u9635\uff0c\u7c97\u66b4\u5730\u62c9\u4f38\u4e00\u4e2a 30,000 \u7ef4\u7684\u4e00\u7ef4\u957f\u5411\u91cf\u3002<\/li>\n\n\n\n<li>\u540e\u679c\uff1a\u8fd9\u4e2a\u62c9\u4f38\u7684\u52a8\u4f5c\uff0c\u5f7b\u5e95\u7834\u574f\u4e86\u56fe\u50cf\u4e2d\u81f3\u5173\u91cd\u8981\u7684\u7a7a\u95f4\u7ed3\u6784\u4fe1\u606f\uff01\n<ul>\n<li>\u5728\u539f\u59cb\u56fe\u7247\u4e2d\uff0c\u50cf\u7d20 A \u548c\u50cf\u7d20 B \u662f\u76f8\u90bb\u7684\uff0c\u5b83\u4eec\u5171\u540c\u6784\u6210\u4e86\u4e00\u6761\u8fb9\u7f18\u3002<\/li>\n\n\n\n<li>\u4f46\u5728\u88ab\u62c9\u6210\u4e00\u7ef4\u5411\u91cf\u540e\uff0cA \u548c B \u53ef\u80fd\u76f8\u9694\u4e86 100 \u4e2a\u4f4d\u7f6e\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u90bb\u91cc\u5173\u7cfb\u5b8c\u5168\u4e22\u5931\u4e86\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u8fd9\u610f\u5473\u7740\uff0cFCNN \u65e0\u6cd5\u7406\u89e3\u4e0a\u4e0b\u5de6\u53f3\u8fd9\u6837\u7684\u7a7a\u95f4\u6982\u5ff5\u3002\u5b83\u5c31\u50cf\u4e00\u4e2a\u628a\u4e00\u5e45\u5b8c\u6574\u7684\u62fc\u56fe\u6253\u6563\u6210\u4e00\u5806\u5355\u4e2a\u788e\u7247\uff0c\u7136\u540e\u8bd5\u56fe\u53bb\u7406\u89e3\u8fd9\u5e45\u753b\u5185\u5bb9\u7684\u8138\u76f2\u75c7\u60a3\u8005\u3002<\/li>\n<\/ul>\n\n\n\n<p>FCNN \u7684\u8fd9\u4e24\u4e2a\u539f\u7f6a\uff0c\u6ce8\u5b9a\u4e86\u5b83\u6c38\u8fdc\u65e0\u6cd5\u6210\u4e3a\u4e00\u4e2a\u4f18\u79c0\u7684\u89c6\u89c9\u5927\u5e08\u3002\u8ba1\u7b97\u673a\u89c6\u89c9\u9886\u57df\uff0c\u8feb\u5207\u5730\u9700\u8981\u4e00\u4e2a\u5168\u65b0\u7684\u3001\u4e13\u4e3a\u5904\u7406\u7f51\u683c\u72b6\u6570\u636e\uff08\u5982\u56fe\u7247\uff09\u800c\u751f\u7684\u7f51\u7edc\u67b6\u6784\u3002<\/p>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong> \u4e8c\u3001CNN \u7684\u521b\u4e16\u7075\u611f \u2014\u2014 \u50cf\u751f\u7269\u89c6\u89c9\u4e00\u6837\u770b\u4e16\u754c\ud83d\udd16<\/strong><\/p>\n\n\n\n<p>CNN \u7684\u6a2a\u7a7a\u51fa\u4e16\uff0c\u5176\u7075\u611f\uff0c\u76f4\u63a5\u6765\u6e90\u4e8e\u5bf9\u751f\u7269\u89c6\u89c9\u7cfb\u7edf\u7684\u6a21\u4eff\uff0c\u7279\u522b\u662f\u6211\u4eec\u5927\u8111\u7684\u89c6\u89c9\u76ae\u5c42\u3002<\/p>\n\n\n\n<p>\u4e0a\u4e16\u7eaa 50-60 \u5e74\u4ee3\uff0c\u4e24\u4f4d\u795e\u7ecf\u79d1\u5b66\u5bb6 Hubel \u548c Wiesel \u7684\u8bfa\u8d1d\u5c14\u5956\u7ea7\u7814\u7a76\u53d1\u73b0\uff1a<\/p>\n\n\n\n<ul>\n<li>\u6211\u4eec\u5927\u8111\u7684\u89c6\u89c9\u76ae\u5c42\u4e2d\uff0c\u5b58\u5728\u4e00\u4e9b\u521d\u7ea7\u89c6\u89c9\u795e\u7ecf\u5143\u3002\u8fd9\u4e9b\u795e\u7ecf\u5143\uff0c\u5e76\u4e0d\u4f1a\u5bf9\u6574\u4e2a\u89c6\u91ce\u505a\u51fa\u53cd\u5e94\uff0c\u800c\u662f\u53ea\u5bf9\u81ea\u5df1\u8d1f\u8d23\u7684\u4e00\u5c0f\u5757\u533a\u57df\uff08\u611f\u53d7\u91ce\uff09\u5185\u7684\u3001\u7279\u5b9a\u65b9\u5411\u7684\u8fb9\u7f18\u6216\u7ebf\u6761\uff0c\u4ea7\u751f\u5f3a\u70c8\u7684\u6fc0\u6d3b\u3002<\/li>\n\n\n\n<li>\u66f4\u9ad8\u7ea7\u7684\u795e\u7ecf\u5143\uff0c\u5219\u4f1a\u5c06\u8fd9\u4e9b\u521d\u7ea7\u795e\u7ecf\u5143\u7684\u4fe1\u53f7\u7ec4\u5408\u8d77\u6765\uff0c\u4ee5\u8bc6\u522b\u66f4\u590d\u6742\u7684\u5f62\u72b6\uff0c\u6bd4\u5982\u89d2\u70b9\u3001\u66f2\u7ebf\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e2a\u8fc7\u7a0b\u5c42\u5c42\u9012\u8fdb\uff0c\u6700\u7ec8\uff0c\u5728\u6700\u9ad8\u7ea7\u7684\u89c6\u89c9\u4e2d\u67a2\uff0c\u6211\u4eec\u5f62\u6210\u4e86\u5bf9\u4e00\u5f20\u8138\u3001\u4e00\u53ea\u732b\u7b49\u590d\u6742\u7269\u4f53\u7684\u8ba4\u77e5\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u7c7b\u4f3c\u505a\u62fc\u56fe\uff0c\u521d\u7ea7\u795e\u7ecf\u5143\u8bc6\u522b\u8f83\u5c0f\u7684\u5206\u5757\uff0c\u66f4\u9ad8\u5c42\u7684\u795e\u7ecf\u5143\u8bc6\u522b\u62fc\u63a5\u540e\u7684\u5927\u5757\uff0c\u9010\u6b65\u9012\u5f52\uff0c\u7ec4\u6210\u6574\u5f20\u56fe\u7247\u3002<\/li>\n<\/ul>\n\n\n\n<p>CNN \u7684\u67b6\u6784\u8bbe\u8ba1\uff0c\u5b8c\u7f8e\u5730\u590d\u523b\u4e86\u751f\u7269\u89c6\u89c9\u7684\u8fd9\u4e24\u4e2a\u6838\u5fc3\u6d1e\u5bdf\uff1a<\/p>\n\n\n\n<ol>\n<li>\u5c40\u90e8\u611f\u53d7\u91ce\uff08Local Receptive Fields\uff09\uff1a\u795e\u7ecf\u5143\u4e0d\u9700\u8981\u770b\u6574\u5f20\u56fe\uff0c\u53ea\u9700\u8981\u5173\u6ce8\u4e00\u5c0f\u5757\u5c40\u90e8\u533a\u57df\u3002<\/li>\n<\/ol>\n\n\n\n<ol start=\"2\">\n<li>\u5c42\u6b21\u5316\u7279\u5f81\u63d0\u53d6\uff08Hierarchical Feature Extraction\uff09\uff1a\u4ece\u7b80\u5355\u7684\u8fb9\u7f18\uff0c\u5230\u5c40\u90e8\u7684\u5f62\u72b6\uff0c\u518d\u5230\u6574\u4f53\u7684\u7269\u4f53\uff0c\u8ba4\u77e5\u662f\u5c42\u5c42\u62bd\u8c61\u7684\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u57fa\u4e8e\u8fd9\u4e24\u4e2a\u6d1e\u5bdf\uff0cCNN \u5f15\u5165\u4e86\u5b83\u6700\u6838\u5fc3\u3001\u6700\u795e\u5947\u7684\u4e09\u5927\u6cd5\u5b9d\uff1a\u5377\u79ef\uff08Convolution\uff09\u3001\u6fc0\u6d3b\uff08Activation\uff09\u548c\u6c60\u5316\uff08Pooling\uff09\u3002<\/p>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\u4e09\u3001CNN \u7684\u4e09\u677f\u65a7 \u2014\u2014AI \u89c6\u89c9\u7684\u539f\u5b50\u64cd\u4f5c\ud83d\udd16<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u6253\u5f00 CNN \u7684\u53d1\u52a8\u673a\u8231\uff0c\u770b\u770b\u8fd9\u4e09\u677f\u65a7\u662f\u5982\u4f55\u534f\u540c\u5de5\u4f5c\uff0c\u8ba9 AI \u5f00\u773c\u7684\u3002<\/p>\n\n\n\n<p><strong>\ud83d\udd39\u7b2c\u4e00\u677f\u65a7\uff1a\u5377\u79ef\u5c42\uff08Convolutional Layer\uff09\u2014\u2014 \u7279\u5f81\u63d0\u53d6\u5927\u5e08<\/strong><\/p>\n\n\n\n<p>\u8fd9\u662f CNN \u7684\u7075\u9b42\u6240\u5728\uff01\u5b83\u7684\u76ee\u6807\uff0c\u5c31\u662f\u4ece\u539f\u59cb\u7684\u50cf\u7d20\u77e9\u9635\u4e2d\uff0c\u63d0\u53d6\u51fa\u5404\u79cd\u6709\u7528\u7684\u5c40\u90e8\u7279\u5f81\u3002<\/p>\n\n\n\n<p><strong>\u6838\u5fc3\u5de5\u5177\uff1a\u5377\u79ef\u6838\uff08Kernel\uff09\/ \u6ee4\u6ce2\u5668\uff08Filter\uff09<\/strong><\/p>\n\n\n\n<ul>\n<li>\u5b83\u662f\u4ec0\u4e48\uff1a\u4f60\u53ef\u4ee5\u628a\u5b83\u60f3\u8c61\u6210\u4e00\u4e2a\u4e2a\u5c0f\u5c0f\u7684\u3001\u5e26\u6709\u7279\u6b8a\u4efb\u52a1\u7684\u653e\u5927\u955c\u6216\u7279\u5f81\u63a2\u6d4b\u5668\u3002<\/li>\n\n\n\n<li>\u5b83\u7684\u6837\u5b50\uff1a\u5b83\u672c\u8eab\u4e5f\u662f\u4e00\u4e2a\u5c0f\u5c0f\u7684\u6570\u5b57\u77e9\u9635\uff0c\u6bd4\u5982 3&#215;3 \u6216 5&#215;5\u3002\u77e9\u9635\u91cc\u7684\u6570\u5b57\uff08\u6743\u91cd\uff09\uff0c\u51b3\u5b9a\u4e86\u8fd9\u4e2a\u63a2\u6d4b\u5668\u7684\u4efb\u52a1\u662f\u4ec0\u4e48\u3002\u25e6 \u4e00\u4e2a\u4e13\u95e8\u63a2\u6d4b\u5782\u76f4\u8fb9\u7f18\u7684\u5377\u79ef\u6838\uff0c\u53ef\u80fd\u957f\u8fd9\u6837\uff1a[[1, 0, -1], [1, 0, -1], [1, 0, -1]]\u25e6 \u4e00\u4e2a\u4e13\u95e8\u63a2\u6d4b\u6c34\u5e73\u8fb9\u7f18\u7684\u5377\u79ef\u6838\uff0c\u53ef\u80fd\u957f\u8fd9\u6837\uff1a[[1, 1, 1], [0, 0, 0], [-1, -1, -1]]\u25e6 \u8fd8\u6709\u7684\u5377\u79ef\u6838\uff0c\u5728\u8bad\u7ec3\u540e\uff0c\u53ef\u80fd\u4f1a\u81ea\u53d1\u5730\u5b66\u4f1a\u53bb\u63a2\u6d4b\u7279\u5b9a\u7684\u989c\u8272\u3001\u89d2\u70b9\u3001\u6216\u8005\u67d0\u79cd\u7eb9\u7406\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\ud83d\udca1 \u91cd\u8981\uff1a<\/strong><\/p>\n\n\n\n<p>\u8fd9\u4e9b\u5377\u79ef\u6838\u91cc\u7684\u6743\u91cd\uff0c\u4e0d\u662f\u4eba\u4e3a\u8bbe\u8ba1\u7684\uff0c\u800c\u662f\u548c\u795e\u7ecf\u7f51\u7edc\u7684\u6743\u91cd\u4e00\u6837\uff0c\u662f\u901a\u8fc7\u53cd\u5411\u4f20\u64ad\uff0c\u4ece\u6570\u636e\u4e2d\u5b66\u4e60\u51fa\u6765\u7684\uff01<\/p>\n\n\n\n<p><strong>\u5377\u79ef\u64cd\u4f5c\u662f\u5982\u4f55\u8fdb\u884c\uff1f\u2014\u2014 \u50cf\u626b\u96f7\u4e00\u6837\u7684\u8fc7\u7a0b<\/strong><\/p>\n\n\n\n<ol>\n<li>\u6211\u4eec\u62ff\u8d77\u4e00\u4e2a 3&#215;3 \u7684\u5782\u76f4\u8fb9\u7f18\u63a2\u6d4b\u5668\uff08\u5377\u79ef\u6838\uff09\u3002<\/li>\n\n\n\n<li>\u5c06\u5b83\u8986\u76d6\u5728\u8f93\u5165\u56fe\u7247\u5de6\u4e0a\u89d2\u7684 3&#215;3 \u533a\u57df\u4e0a\u3002<\/li>\n\n\n\n<li>\u5c06\u8fd9\u4e2a\u63a2\u6d4b\u5668\u77e9\u9635\uff0c\u4e0e\u5b83\u8986\u76d6\u7684\u56fe\u7247\u533a\u57df\u7684\u50cf\u7d20\u77e9\u9635\uff0c\u8fdb\u884c\u5bf9\u5e94\u4f4d\u7f6e\u76f8\u4e58\uff0c\u7136\u540e\u5168\u90e8\u76f8\u52a0\u7684\u8fd0\u7b97\uff08\u6570\u5b66\u4e0a\u53eb\u70b9\u79ef\u8fd0\u7b97\uff09\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e2a\u8fd0\u7b97\u4f1a\u5f97\u5230\u4e00\u4e2a\u5355\u4e00\u7684\u6570\u5b57\u3002\u8fd9\u4e2a\u6570\u5b57\uff0c\u5c31\u4ee3\u8868\u4e86\u5f53\u524d\u533a\u57df\uff0c\u4e0e\u5782\u76f4\u8fb9\u7f18\u8fd9\u4e2a\u7279\u5f81\u7684\u5339\u914d\u7a0b\u5ea6\u3002\u5982\u679c\u8fd9\u4e2a\u533a\u57df\u6070\u597d\u6709\u4e00\u4e2a\u5f3a\u70c8\u7684\u5782\u76f4\u8fb9\u7f18\uff0c\u8fd9\u4e2a\u6570\u5b57\u5c31\u4f1a\u5f88\u5927\uff1b\u5982\u679c\u8fd9\u4e2a\u533a\u57df\u5f88\u5e73\u6ed1\uff0c\u6570\u5b57\u5c31\u4f1a\u63a5\u8fd1 0\u3002<\/li>\n\n\n\n<li>\u7136\u540e\uff0c\u6211\u4eec\u5c06\u8fd9\u4e2a\u63a2\u6d4b\u5668\u5411\u53f3\u79fb\u52a8\u4e00\u4e2a\u50cf\u7d20\uff08\u6b65\u957f Stride\uff09\uff0c\u91cd\u590d\u4e0a\u9762\u7684\u8fd0\u7b97\uff0c\u5f97\u5230\u7b2c\u4e8c\u4e2a\u6570\u5b57\u3002<\/li>\n\n\n\n<li>\u2026\u2026 \u5c31\u8fd9\u6837\uff0c\u8fd9\u4e2a\u63a2\u6d4b\u5668\u50cf\u73a9\u626b\u96f7\u4e00\u6837\uff0c\u4ece\u5de6\u5230\u53f3\u3001\u4ece\u4e0a\u5230\u4e0b\u5730\uff0c\u6ed1\u8fc7\u6574\u5f20\u8f93\u5165\u56fe\u7247\u3002<\/li>\n\n\n\n<li>\u6700\u7ec8\uff0c\u5b83\u4f1a\u751f\u6210\u4e00\u5f20\u65b0\u7684\u3001\u5c3a\u5bf8\u7a0d\u5c0f\u7684\u4e8c\u7ef4\u77e9\u9635\u3002\u8fd9\u5f20\u65b0\u77e9\u9635\uff0c\u5c31\u88ab\u79f0\u4e3a\u7279\u5f81\u56fe\uff08Feature Map\uff09\u3002<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"557\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-104-1024x557.png\" alt=\"\" class=\"wp-image-19947\" style=\"width:564px;height:auto\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-104-1024x557.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-104-300x163.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-104-768x417.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-104-1536x835.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-104-2048x1113.png 2048w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-104-830x451.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-104-230x125.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-104-350x190.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-104-480x261.png 480w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p><strong>\u7279\u5f81\u56fe\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n\n\n\n<ul>\n<li>\u5b83\u4e0d\u518d\u662f\u539f\u59cb\u7684\u50cf\u7d20\u56fe\u3002\u5b83\u662f\u539f\u59cb\u56fe\u7247\u7ecf\u8fc7\u5782\u76f4\u8fb9\u7f18\u63a2\u6d4b\u5668\u8fc7\u6ee4\u540e\u7684\u7ed3\u679c\u3002\u5728\u8fd9\u5f20\u56fe\u4e0a\uff0c\u6570\u503c\u8d8a\u9ad8\uff08\u5927\uff09\u7684\u5730\u65b9\uff0c\u5c31\u4ee3\u8868\u539f\u59cb\u56fe\u7247\u5bf9\u5e94\u4f4d\u7f6e\uff0c\u5b58\u5728\u4e00\u4e2a\u8d8a\u5f3a\u70c8\u7684\u5782\u76f4\u8fb9\u7f18\u3002<\/li>\n\n\n\n<li>\u6211\u4eec\u4f1a\u6709\u5f88\u591a\u4e2a\u4e0d\u540c\u7684\u5377\u79ef\u6838\uff01\u4e00\u4e2a\u5377\u79ef\u5c42\uff0c\u53ef\u80fd\u4f1a\u540c\u65f6\u4f7f\u7528\u51e0\u5341\u4e0a\u767e\u4e2a\u4e0d\u540c\u7684\u7279\u5f81\u63a2\u6d4b\u5668\uff08\u6bd4\u5982 64 \u4e2a\uff09\u3002\n<ul>\n<li>\u4e00\u4e2a\u63a2\u6d4b\u5782\u76f4\u8fb9\u7f18\u3002<\/li>\n\n\n\n<li>\u4e00\u4e2a\u63a2\u6d4b\u6c34\u5e73\u8fb9\u7f18\u3002<\/li>\n\n\n\n<li>\u4e00\u4e2a\u63a2\u6d4b 45 \u5ea6\u89d2\u8fb9\u7f18\u3002<\/li>\n\n\n\n<li>\u4e00\u4e2a\u63a2\u6d4b\u7ea2\u8272\u6591\u70b9\u3002<\/li>\n\n\n\n<li>\u2026\u2026<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6bcf\u4e00\u4e2a\u5377\u79ef\u6838\uff0c\u90fd\u4f1a\u5728\u539f\u59cb\u56fe\u7247\u4e0a\u626b\u4e00\u904d\uff0c\u751f\u6210\u4e00\u5f20\u5c5e\u4e8e\u5b83\u81ea\u5df1\u7684\u7279\u5f81\u56fe\u3002<\/li>\n\n\n\n<li>\u6240\u4ee5\uff0c\u4e00\u4e2a\u62e5\u6709 64 \u4e2a\u5377\u79ef\u6838\u7684\u5377\u79ef\u5c42\uff0c\u5728\u63a5\u6536\u4e00\u5f20\u8f93\u5165\u56fe\u7247\u540e\uff0c\u4f1a\u8f93\u51fa 64 \u5f20\u4e0d\u540c\u7684\u7279\u5f81\u56fe\uff01\u8fd9 64 \u5f20\u56fe\uff0c\u5c31\u6784\u6210\u4e86\u5bf9\u539f\u59cb\u56fe\u7247\u5728\u4e0d\u540c\u7ef4\u5ea6\u4e0a\u7684\u3001\u4e30\u5bcc\u7684\u7279\u5f81\u63cf\u8ff0\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>CNN \u5982\u4f55\u89e3\u51b3 FCNN \u7684\u4e24\u5927\u707e\u96be\uff1f<\/strong><\/p>\n\n\n\n<ol>\n<li>\u53c2\u6570\u5171\u4eab\uff1a\u8fd9\u662f CNN \u6700\u5929\u624d\u7684\u8bbe\u8ba1\uff01\u5728\u626b\u96f7\u7684\u8fc7\u7a0b\u4e2d\uff0c\u540c\u4e00\u4e2a\u7279\u5f81\u63a2\u6d4b\u5668\uff08\u5377\u79ef\u6838\uff09\uff0c\u662f\u88ab\u91cd\u590d\u4f7f\u7528\u5728\u56fe\u7247\u7684\u6240\u6709\u4f4d\u7f6e\u4e0a\u7684\u3002\u8fd9\u610f\u5473\u7740\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5b66\u4e60\u8fd9\u4e00\u4e2a 3&#215;3 \u5377\u79ef\u6838\u7684 9 \u4e2a\u6743\u91cd\uff0c\u5c31\u80fd\u5904\u7406\u6574\u5f20\u56fe\u7247\uff01\u76f8\u6bd4 FCNN \u6bcf\u4e2a\u8fde\u63a5\u90fd\u6709\u72ec\u7acb\u6743\u91cd\uff0c\u8fd9\u6781\u5927\u5730\u51cf\u5c11\u4e86\u53c2\u6570\u6570\u91cf\uff0c\u4ece\u4ebf\u7ea7\u522b\u9aa4\u964d\u5230\u4e86\u4e07\u7ea7\u522b\uff0c\u5f7b\u5e95\u89e3\u51b3\u4e86\u53c2\u6570\u7206\u70b8\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u4fdd\u7559\u7a7a\u95f4\u7ed3\u6784\uff1a\u5377\u79ef\u64cd\u4f5c\uff0c\u672c\u8eab\u5c31\u662f\u5728\u4e8c\u7ef4\u7a7a\u95f4\u4e0a\u8fdb\u884c\u7684\u3002\u5b83\u5b8c\u7f8e\u5730\u4fdd\u7559\u4e86\u50cf\u7d20\u4e4b\u95f4\u7684\u90bb\u91cc\u5173\u7cfb\uff0c\u5e76\u4e14\u5b83\u5b66\u5230\u7684\u7279\u5f81\uff08\u6bd4\u5982\u4e00\u4e2a\u89d2\u70b9\uff09\uff0c\u672c\u8eab\u5c31\u662f\u7531\u5c40\u90e8\u7a7a\u95f4\u5173\u7cfb\u6784\u6210\u7684\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\ud83d\udd39\u7b2c\u4e8c\u677f\u65a7\uff1a\u6fc0\u6d3b\u51fd\u6570\u5c42\uff08Activation Layer\uff09\u2014\u2014 \u975e\u7ebf\u6027\u7684\u70b9\u775b\u4e4b\u7b14<\/strong><\/p>\n\n\n\n<ul>\n<li>\u804c\u8d23\uff1a\u5728\u5377\u79ef\u5c42\u8f93\u51fa\u7684\u7279\u5f81\u56fe\u4e0a\uff0c\u5e94\u7528\u4e00\u4e2a\u975e\u7ebf\u6027\u7684\u6fc0\u6d3b\u51fd\u6570\uff08\u6700\u5e38\u7528\u7684\u662f ReLU\u2014\u2014Rectified Linear Unit\uff09\u3002<\/li>\n\n\n\n<li>ReLU \u505a\u4e86\u4ec0\u4e48\uff1a\u6781\u5176\u7b80\u5355\uff01ReLU(<em>x<\/em>)=max(0,<em>x<\/em>)\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b83\u4f1a\u904d\u5386\u7279\u5f81\u56fe\u4e0a\u7684\u6bcf\u4e00\u4e2a\u6570\u503c\uff0c\u5c06\u6240\u6709\u5c0f\u4e8e 0 \u7684\u6570\u503c\uff0c\u5168\u90e8\u53d8\u6210 0\uff0c\u5927\u4e8e 0 \u7684\u6570\u503c\u4fdd\u6301\u4e0d\u53d8\u3002<\/li>\n\n\n\n<li>\u4e3a\u4ec0\u4e48\u9700\u8981\u975e\u7ebf\u6027\uff1a\u25e6 \u5982\u679c\u6ca1\u6709\u6fc0\u6d3b\u51fd\u6570\uff0c\u6216\u8005\u6fc0\u6d3b\u51fd\u6570\u662f\u7ebf\u6027\u7684\uff0c\u90a3\u4e48\u65e0\u8bba\u4f60\u7684\u795e\u7ecf\u7f51\u7edc\u6709\u591a\u5c11\u5c42\uff0c\u5b83\u672c\u8d28\u4e0a\u90fd\u53ea\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7ebf\u6027\u6a21\u578b\u7684\u53e0\u52a0\uff0c\u5176\u8868\u8fbe\u80fd\u529b\u975e\u5e38\u6709\u9650\uff0c\u65e0\u6cd5\u5b66\u4e60\u590d\u6742\u7684\u6570\u636e\u6a21\u5f0f\u3002\u25e6 \u5f15\u5165 ReLU \u8fd9\u6837\u7684\u975e\u7ebf\u6027\u5f00\u5173\uff0c\u5c31\u8d4b\u4e88\u4e86\u795e\u7ecf\u7f51\u7edc \u201c\u62d0\u5f2f\u201d \u7684\u80fd\u529b\u3002\u5b83\u80fd\u591f\u62df\u5408\u6781\u5176\u590d\u6742\u7684\u3001\u975e\u7ebf\u6027\u7684\u51b3\u7b56\u8fb9\u754c\uff0c\u4ece\u800c\u6781\u5927\u5730\u63d0\u5347\u4e86\u6a21\u578b\u7684\u8868\u8fbe\u80fd\u529b\u3002\u8fd9\u5c31\u50cf\u53ea\u7528\u76f4\u7ebf\u65e0\u8bba\u5982\u4f55\u4e5f\u753b\u4e0d\u51fa\u4e00\u4e2a\u5706\uff0c\u4f46\u4e00\u65e6\u4f60\u6709\u4e86\u66f2\u7ebf\u8fd9\u4e2a\u5de5\u5177\uff0c\u5c31\u80fd\u521b\u9020\u65e0\u9650\u7684\u53ef\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\ud83d\udd39\u7b2c\u4e09\u677f\u65a7\uff1a\u6c60\u5316\u5c42\uff08Pooling Layer\uff09\u2014\u2014 \u4fe1\u606f\u964d\u7ef4\u4e0e\u7cbe\u534e\u63d0\u70bc<\/strong><\/p>\n\n\n\n<ul>\n<li>\u804c\u8d23\uff1a\u5bf9\u7ecf\u8fc7\u6fc0\u6d3b\u7684\u7279\u5f81\u56fe\uff0c\u8fdb\u884c\u4e0b\u91c7\u6837\uff08Down-sampling\uff09\uff0c\u5373\u964d\u4f4e\u5176\u5c3a\u5bf8\u3002<\/li>\n\n\n\n<li>\u6700\u5e38\u7528\u7684\u64cd\u4f5c\uff1a\u6700\u5927\u6c60\u5316\uff08Max Pooling\uff09\n<ul>\n<li>a. \u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u6c60\u5316\u7a97\u53e3\uff0c\u6bd4\u5982 2&#215;2\u3002<\/li>\n\n\n\n<li>b. \u5c06\u8fd9\u4e2a\u7a97\u53e3\uff0c\u4e0d\u91cd\u53e0\u5730\u6ed1\u8fc7\u6574\u5f20\u7279\u5f81\u56fe\u3002<\/li>\n\n\n\n<li>c. \u5728\u6bcf\u4e2a 2&#215;2 \u7684\u7a97\u53e3\u5185\uff0c\u53ea\u4fdd\u7559\u5176\u4e2d\u6700\u5927\u7684\u90a3\u4e2a\u6570\u503c\uff0c\u6254\u6389\u5176\u4ed6 3 \u4e2a\u3002<\/li>\n\n\n\n<li>d. \u6700\u7ec8\uff0c\u4e00\u5f20 24&#215;24 \u7684\u7279\u5f81\u56fe\uff0c\u7ecf\u8fc7 2&#215;2 \u7684\u6700\u5927\u6c60\u5316\u540e\uff0c\u5c31\u4f1a\u53d8\u6210\u4e00\u5f20 12&#215;12 \u7684\u65b0\u7279\u5f81\u56fe\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"864\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-106-1024x864.png\" alt=\"\" class=\"wp-image-19950\" style=\"width:440px;height:auto\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-106-1024x864.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-106-300x253.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-106-768x648.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-106-1536x1296.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-106-830x700.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-106-230x194.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-106-350x295.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-106-480x405.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2025\/12\/image-106.png 1678w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul>\n<li>\u6c60\u5316\u5c42\u5e26\u6765\u7684\u597d\u5904\uff1a\n<ul>\n<li>a.\u00a0\u8fdb\u4e00\u6b65\u51cf\u5c11\u53c2\u6570\u548c\u8ba1\u7b97\u91cf\uff1a\u7279\u5f81\u56fe\u7684\u5c3a\u5bf8\u53d8\u5c0f\u4e86\uff0c\u540e\u7eed\u5c42\u9700\u8981\u5904\u7406\u7684\u6570\u636e\u91cf\u4e5f\u76f8\u5e94\u51cf\u5c11\uff0c\u63d0\u5347\u8ba1\u7b97\u6548\u7387\u3002<\/li>\n\n\n\n<li>b.\u00a0\u63d0\u4f9b\u5e73\u79fb\u4e0d\u53d8\u6027\uff08Translation Invariance\uff09\uff1a\u8fd9\u662f\u6c60\u5316\u5c42\u6700\u6838\u5fc3\u7684\u4ef7\u503c\uff01\u60f3\u8c61\u4e00\u4e0b\uff0c\u5728\u4e00\u4e2a 2&#215;2 \u7684\u533a\u57df\u5185\uff0c\u65e0\u8bba\u90a3\u4e2a\u6700\u5f3a\u7684\u8fb9\u7f18\u7279\u5f81\uff0c\u51fa\u73b0\u5728\u5de6\u4e0a\u89d2\u3001\u53f3\u4e0a\u89d2\u3001\u8fd8\u662f\u5176\u4ed6\u4f4d\u7f6e\uff0c\u53ea\u8981\u5b83\u5728\u8fd9\u4e2a\u533a\u57df\u5185\uff0c\u7ecf\u8fc7\u6700\u5927\u6c60\u5316\u540e\uff0c\u8f93\u51fa\u7684\u7ed3\u679c\u90fd\u662f\u4e00\u6837\u7684\uff01\u8fd9\u610f\u5473\u7740\uff0c\u6a21\u578b\u5bf9\u7279\u5f81\u7684\u5fae\u5c0f\u4f4d\u79fb\uff0c\u53d8\u5f97\u4e0d\u90a3\u4e48\u654f\u611f\u4e86\u3002\u4e00\u53ea\u732b\u7684\u773c\u775b\uff0c\u65e0\u8bba\u662f\u5728\u56fe\u7247\u7684 (100,100) \u50cf\u7d20\u4f4d\u7f6e\uff0c\u8fd8\u662f\u5728 (102, 101) \u50cf\u7d20\u4f4d\u7f6e\uff0c\u5bf9\u4e8e\u540e\u7eed\u7684\u7f51\u7edc\u6765\u8bf4\uff0c\u611f\u77e5\u5230\u7684\u4fe1\u606f\u662f\u76f8\u4f3c\u7684\u3002\u8fd9\u6781\u5927\u5730\u63d0\u5347\u4e86\u6a21\u578b\u7684\u6cdb\u5316\u80fd\u529b\u3002<\/li>\n\n\n\n<li>c.\u00a0\u589e\u5927\u611f\u53d7\u91ce\uff1a\u7ecf\u8fc7\u6c60\u5316\u540e\uff0c\u65b0\u7279\u5f81\u56fe\u4e0a\u7684\u4e00\u4e2a\u50cf\u7d20\u70b9\uff0c\u5b9e\u9645\u4e0a\u878d\u5408\u4e86\u539f\u59cb\u7279\u5f81\u56fe\u4e0a\u4e00\u7247\u533a\u57df\u7684\u4fe1\u606f\u3002\u8fd9\u4f7f\u5f97\u66f4\u6df1\u5c42\u7684\u7f51\u7edc\uff0c\u80fd\u591f\u770b\u5230\u66f4\u5b8f\u89c2\u7684\u7279\u5f81\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\u56db\u3001\u642d\u5efa\u89c6\u89c9\u795e\u6bbf \u2014\u2014 \u4ece LeNet-5 \u5230 ResNet \u7684\u67b6\u6784\u6f14\u8fdb\ud83d\udd16<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u4e00\u4e2a\u5b8c\u6574\u7684 CNN\uff0c\u5c31\u662f\u5c06\u4e0a\u9762\u8fd9 \u201c\u5377\u79ef\u2192\u6fc0\u6d3b\u2192\u6c60\u5316\u201d \u7684\u4e09\u8fde\u62db\uff0c\u50cf\u642d\u4e50\u9ad8\u4e00\u6837\uff0c\u91cd\u590d\u5806\u53e0\u591a\u6b21\uff0c\u7136\u540e\u518d\u5728\u7f51\u7edc\u7684\u672b\u7aef\uff0c\u63a5\u4e0a\u51e0\u5c42\u6211\u4eec\u719f\u6089\u7684\u5168\u8fde\u63a5\u5c42\uff0c\u6765\u8fdb\u884c\u6700\u7ec8\u7684\u5206\u7c7b\u6216\u8bc6\u522b\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u5c42\u5c42\u9012\u8fdb\u7684\u8fc7\u7a0b\uff0c\u5b8c\u7f8e\u5730\u6a21\u62df\u4e86\u6211\u4eec\u5927\u8111\u7684\u5c42\u6b21\u5316\u7279\u5f81\u63d0\u53d6\uff1a<\/p>\n\n\n\n<ul>\n<li><strong>\u6d45\u5c42\u7f51\u7edc<\/strong>\uff1a\u5377\u79ef\u6838\u5b66\u4e60\u5230\u7684\u662f\u8fb9\u7f18\u3001\u989c\u8272\u3001\u7eb9\u7406\u7b49\u4f4e\u7ea7\u7279\u5f81\u3002<\/li>\n\n\n\n<li><strong>\u4e2d\u5c42\u7f51\u7edc<\/strong>\uff1a\u5c06\u4f4e\u7ea7\u7279\u5f81\u7ec4\u5408\uff0c\u5b66\u4e60\u5230\u773c\u775b\u3001\u9f3b\u5b50\u3001\u8033\u6735\u7b49\u4e2d\u7ea7\u7279\u5f81\u3002<\/li>\n\n\n\n<li><strong>\u6df1\u5c42\u7f51\u7edc<\/strong>\uff1a\u5c06\u4e2d\u7ea7\u7279\u5f81\u7ec4\u5408\uff0c\u5b66\u4e60\u5230 \u201c\u732b\u8138\u201d\u3001\u201c\u72d7\u8138\u201d \u7b49\u9ad8\u7ea7\u3001\u62bd\u8c61\u7684\u6982\u5ff5\u7279\u5f81\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>\u6700\u540e\u7684\u5168\u8fde\u63a5\u5c42<\/strong>\uff1a\u50cf\u4e00\u4e2a\u6700\u7ec8\u88c1\u5224\uff0c\u5b83\u770b\u7740\u524d\u9762\u6240\u6709\u5c42\u63d0\u53d6\u51fa\u7684\u5404\u79cd\u9ad8\u7ea7\u7279\u5f81\uff0c\u7136\u540e\u505a\u51fa\u6700\u7ec8\u7684\u6295\u7968\uff1a\u6839\u636e\u6211\u770b\u5230\u7684 \u201c\u732b\u8138\u201d \u7279\u5f81\u3001\u201c\u732b\u8033\u6735\u201d \u7279\u5f81\u3001\u201c\u732b\u5c3e\u5df4\u201d \u7279\u5f81\uff0c\u6211\u5224\u65ad\u8fd9\u5f20\u56fe\u662f \u201c\u732b\u201d \u7684\u6982\u7387\u662f 98%\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5728 CNN \u7684\u53d1\u5c55\u53f2\u4e0a\uff0c\u51fa\u73b0\u8fc7\u51e0\u4e2a\u91cc\u7a0b\u7891\u5f0f\u7684\u3001\u4e0d\u65ad\u52a0\u6df1\u7684\u7f51\u7edc\u67b6\u6784\uff1a<\/p>\n\n\n\n<ul>\n<li><strong>LeNet-5\uff081998\uff09<\/strong>\uff1aYann LeCun \u63d0\u51fa\u7684\u5f00\u5c71\u9f3b\u7956\uff0c\u7528\u4e8e\u624b\u5199\u6570\u5b57\u8bc6\u522b\uff0c\u53ea\u6709 5 \u5c42\uff0c\u5960\u5b9a\u4e86\u5377\u79ef + \u6c60\u5316 + \u5168\u8fde\u63a5\u7684\u7ecf\u5178\u8303\u5f0f\u3002<\/li>\n\n\n\n<li><strong>AlexNet\uff082012\uff09<\/strong>\uff1a\u5f15\u7206\u6df1\u5ea6\u5b66\u4e60\u9769\u547d\u7684\u706b\u70ac\u624b\u3002\u5b83\u901a\u8fc7\u4f7f\u7528\u66f4\u6df1\u7684\u7f51\u7edc\uff088 \u5c42\uff09\u3001\u66f4\u5927\u7684\u6570\u636e\u96c6\uff08ImageNet\uff09\u3001ReLU \u6fc0\u6d3b\u51fd\u6570\u548c Dropout \u6280\u672f\uff0c\u5728\u5f53\u5e74\u7684 ImageNet \u56fe\u50cf\u8bc6\u522b\u5927\u8d5b\u4e2d\uff0c\u4ee5\u538b\u5012\u6027\u7684\u4f18\u52bf\u593a\u51a0\uff0c\u9707\u60ca\u4e86\u6574\u4e2a\u5b66\u672f\u754c\u548c\u5de5\u4e1a\u754c\u3002<\/li>\n\n\n\n<li><strong>VGGNet\uff082014\uff09<\/strong>\uff1a\u63a2\u7d22\u4e86\u7528\u66f4\u5c0f\u7684\u5377\u79ef\u6838\uff083&#215;3\uff09\u548c\u66f4\u6df1\u7684\u7f51\u7edc\uff0816-19 \u5c42\uff09\u6765\u63d0\u5347\u6027\u80fd\u7684\u53ef\u80fd\u6027\u3002<\/li>\n\n\n\n<li><strong>GoogLeNet\uff082014\uff09<\/strong>\uff1a\u5f15\u5165\u4e86 Inception \u6a21\u5757\uff0c\u5728\u4e00\u4e2a\u7f51\u7edc\u5c42\u4e2d\uff0c\u540c\u65f6\u4f7f\u7528\u4e0d\u540c\u5c3a\u5bf8\u7684\u5377\u79ef\u6838\uff0c\u6765\u6355\u6349\u4e0d\u540c\u5c3a\u5ea6\u7684\u7279\u5f81\uff0c\u5e76\u63d0\u5347\u4e86\u8ba1\u7b97\u6548\u7387\u3002<\/li>\n\n\n\n<li><strong>ResNet\uff08Residual Network, 2015\uff09<\/strong>\uff1a\u8fd9\u662f CNN \u53d1\u5c55\u53f2\u4e0a\u53c8\u4e00\u4e2a\u91cd\u8981\u7684\u7a81\u7834\uff01\u5b83\u901a\u8fc7\u5f15\u5165\u6b8b\u5dee\u8fde\u63a5\uff08Residual Connection\uff09\u6216\u5feb\u6377\u8fde\u63a5\uff08Shortcut Connection\uff09\uff0c\u5de7\u5999\u5730\u89e3\u51b3\u4e86\u7f51\u7edc\u8d8a\u6df1\uff0c\u8d8a\u96be\u8bad\u7ec3\u7684\u95ee\u9898\u3002\u5b83\u5141\u8bb8\u4fe1\u606f\u8df3\u5c42\u4f20\u64ad\uff0c\u4f7f\u5f97\u8bad\u7ec3\u4e0a\u767e\u5c42\u3001\u751a\u81f3\u4e0a\u5343\u5c42\u7684\u8d85\u6df1\u795e\u7ecf\u7f51\u7edc\u6210\u4e3a\u4e86\u53ef\u80fd\uff0c\u6781\u5927\u5730\u63d0\u5347\u4e86\u6a21\u578b\u7684\u6027\u80fd\u548c\u7cbe\u5ea6\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\u4e94\u3001\u5c55\u671b\uff1a\u4ece CNN \u5230\u89c6\u89c9\u7684\u672a\u6765\ud83d\udd16<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>CNN \u7684\u51fa\u73b0\uff0c\u662f AI \u53d1\u5c55\u53f2\u4e0a\u7684\u4e00\u5ea7\u4e30\u7891\u3002\u5b83\u4e0d\u4ec5\u5960\u5b9a\u4e86\u73b0\u4ee3\u8ba1\u7b97\u673a\u89c6\u89c9\u7684\u57fa\u77f3\uff0c\u5176\u5c40\u90e8\u8fde\u63a5\u3001\u53c2\u6570\u5171\u4eab\u3001\u5c42\u6b21\u5316\u7279\u5f81\u7684\u601d\u60f3\uff0c\u4e5f\u6df1\u523b\u5730\u5f71\u54cd\u4e86\u540e\u7eed\u7684 AI \u67b6\u6784\u8bbe\u8ba1\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\uff0c\u6280\u672f\u603b\u662f\u5728\u4e0d\u65ad\u6f14\u8fdb\u3002<\/p>\n\n\n\n<ul>\n<li><strong>CNN \u7684\u6311\u6218<\/strong>\uff1aCNN \u5728\u6355\u6349\u56fe\u50cf\u7684\u5168\u5c40\u3001\u957f\u8ddd\u79bb\u4f9d\u8d56\u5173\u7cfb\u65b9\u9762\uff0c\u80fd\u529b\u76f8\u5bf9\u8f83\u5f31\uff08\u56e0\u4e3a\u5377\u79ef\u6838\u662f\u5c40\u90e8\u7684\uff09\u3002<\/li>\n\n\n\n<li><strong>Vision Transformer\uff08VIT\uff09\u7684\u5d1b\u8d77<\/strong>\uff1a\u8fd1\u5e74\u6765\uff0c\u6211\u4eec\u5728\u300a\u6ce8\u610f\u529b\u673a\u5236\u300b\u90a3\u7bc7\u91cc\u8be6\u8ff0\u7684 Transformer \u67b6\u6784\uff0c\u5f00\u59cb\u8de8\u754c\u8fdb\u5165\u89c6\u89c9\u9886\u57df\u3002VIT \u901a\u8fc7\u5c06\u4e00\u5f20\u56fe\u7247\u5207\u6210\u4e00\u4e2a\u4e2a\u5c0f\u5757\uff0c\u7136\u540e\u5c06\u8fd9\u4e9b\u5c0f\u5757\u89c6\u4e3a\u8bed\u8a00\u4e2d\u7684\u5355\u8bcd\uff0c\u518d\u5229\u7528\u81ea\u6ce8\u610f\u529b\u673a\u5236\u6765\u8ba1\u7b97\u4efb\u610f\u4e24\u4e2a\u5c0f\u5757\u4e4b\u95f4\u7684\u5173\u8054\u6027\u3002\u8fd9\u4f7f\u5f97\u5b83\u5728\u6355\u6349\u5168\u5c40\u4e0a\u4e0b\u6587\u4fe1\u606f\u65b9\u9762\uff0c\u5c55\u73b0\u51fa\u6bd4 CNN \u66f4\u5f3a\u7684\u80fd\u529b\uff0c\u5e76\u5728\u8bb8\u591a\u89c6\u89c9\u4efb\u52a1\u4e0a\uff0c\u53d6\u5f97\u4e86\u8d85\u8d8a CNN \u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u672a\u6765\u7684\u89c6\u89c9\u6a21\u578b\uff0c\u5f88\u53ef\u80fd\u4e0d\u518d\u662f CNN \u6216 Transformer \u7684\u4e8c\u9009\u4e00\uff0c\u800c\u662f\u4e24\u8005\u7684\u7ed3\u5408\u3002\u6bd4\u5982\uff0c\u7528 CNN \u5f3a\u5927\u7684\u5c40\u90e8\u7279\u5f81\u63d0\u53d6\u80fd\u529b\uff0c\u4f5c\u4e3a\u7f51\u7edc\u7684\u524d\u51e0\u5c42\uff1b\u7136\u540e\uff0c\u518d\u7528 Transformer \u5f3a\u5927\u7684\u5168\u5c40\u5173\u7cfb\u5efa\u6a21\u80fd\u529b\uff0c\u4f5c\u4e3a\u7f51\u7edc\u7684\u9ad8\u5c42\uff0c\u5b9e\u73b0\u4f18\u52bf\u4e92\u8865\u3002<\/p>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\u516d\u3001\u603b\u7ed3\u65f6\u523b\ud83d\udd16<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u4eca\u5929\uff0c\u6211\u4eec\u8fdb\u884c\u4e86\u4e00\u573a\u6df1\u5165 AI \u89c6\u89c9\u7684\u63a2\u7d22\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul>\n<li>\u6838\u5fc3\u4f7f\u547d\uff1a\u89e3\u51b3\u4f20\u7edf\u5168\u8fde\u63a5\u795e\u7ecf\u7f51\u7edc\u5728\u5904\u7406\u56fe\u50cf\u65f6\uff0c\u9762\u4e34\u7684\u53c2\u6570\u7206\u70b8\u548c\u7a7a\u95f4\u7ed3\u6784\u4e22\u5931\u4e24\u5927\u707e\u96be\u3002<\/li>\n\n\n\n<li>\u7075\u611f\u6765\u6e90\uff1a\u6a21\u4eff\u751f\u7269\u89c6\u89c9\u7cfb\u7edf\u7684\u5c40\u90e8\u611f\u53d7\u91ce\u548c\u5c42\u6b21\u5316\u7279\u5f81\u63d0\u53d6\u673a\u5236\u3002<\/li>\n\n\n\n<li>\u4e09\u5927\u6838\u5fc3\u6cd5\u5b9d\uff1a\n<ul>\n<li>a.\u00a0\u5377\u79ef\u5c42\uff08Convolution\uff09\uff1a\u5229\u7528\u53c2\u6570\u5171\u4eab\u7684\u5377\u79ef\u6838\uff08\u6ee4\u6ce2\u5668\uff09\uff0c\u9ad8\u6548\u5730\u4ece\u56fe\u50cf\u4e2d\u63d0\u53d6\u5c40\u90e8\u7279\u5f81\uff08\u5982\u8fb9\u7f18\u3001\u7eb9\u7406\uff09\u3002<\/li>\n\n\n\n<li>b.\u00a0\u6fc0\u6d3b\u51fd\u6570\uff08Activation\uff09\uff1a\u5f15\u5165\u975e\u7ebf\u6027\uff08\u5982 ReLU\uff09\uff0c\u6781\u5927\u5730\u63d0\u5347\u7f51\u7edc\u7684\u8868\u8fbe\u80fd\u529b\u3002<\/li>\n\n\n\n<li>c.\u00a0\u6c60\u5316\u5c42\uff08Pooling\uff09\uff1a\u8fdb\u884c\u4e0b\u91c7\u6837\uff0c\u51cf\u5c11\u8ba1\u7b97\u91cf\uff0c\u5e76\u63d0\u4f9b\u5e73\u79fb\u4e0d\u53d8\u6027\uff0c\u63d0\u5347\u6a21\u578b\u7684\u6cdb\u5316\u80fd\u529b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>\u5de5\u4f5c\u6a21\u5f0f\uff1a\u901a\u8fc7\u5806\u53e0 \u201c\u5377\u79ef\u2192\u6fc0\u6d3b\u2192\u6c60\u5316\u201d \u7684\u7ec4\u5408\uff0c\u5b9e\u73b0\u4ece\u4f4e\u7ea7\u7279\u5f81\uff08\u70b9\u7ebf\uff09\u5230\u9ad8\u7ea7\u7279\u5f81\uff08\u7269\u4f53\u6982\u5ff5\uff09\u7684\u5c42\u6b21\u5316\u62bd\u8c61\u3002<\/li>\n\n\n\n<li>\u672a\u6765\u53d1\u5c55\uff1a\u867d\u7136\u9762\u4e34\u7740 Vision Transformer\uff08VIT\uff09\u7684\u6311\u6218\uff0c\u4f46 CNN \u7684\u6838\u5fc3\u601d\u60f3\u4f9d\u7136\u662f\u57fa\u77f3\uff0c\u672a\u6765\u5c06\u8d70\u5411\u4e0e Transformer \u7684\u6df1\u5ea6\u878d\u5408\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5386\u53f2<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>AI<\/strong>\uff1a\u6a21\u578b\u84b8\u998f\u3001RAG\u3001\u6a21\u578b\u5fae\u8c03\u3001Agent\u3001\u5927\u6a21\u578b\u5e7b\u89c9\u3001\u6ce8\u610f\u529b\u673a\u5236\u3001\u601d\u7ef4\u94fe\u3001\u6cdb\u5316\u4e0e\u8fc7\u62df\u5408\u3001AGI\u3001\u591a\u6a21\u6001\u3001\u5f3a\u5316\u5b66\u4e60\u3001\u6d8c\u73b0\u3001\u795e\u7ecf\u7f51\u7edc\u3001\u5927\u8bed\u8a00\u6a21\u578b\u3001AIGC\u3001Prompt\u3001\u8bad\u7ec3 \/ 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