{"id":7953,"date":"2022-09-20T11:14:29","date_gmt":"2022-09-20T03:14:29","guid":{"rendered":"http:\/\/139.9.1.231\/?p=7953"},"modified":"2022-10-08T20:35:33","modified_gmt":"2022-10-08T12:35:33","slug":"repmlp","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2022\/09\/20\/repmlp\/","title":{"rendered":"Vision MLP\u7cfb\u5217&#8211;RepMLP"},"content":{"rendered":"\n<p>RepMLPNet: Hierarchical Vision MLP with Re-parameterized Locality (https:\/\/arxiv.org\/abs\/2112.11081)<\/p>\n\n\n\n<p>CVPR 2022<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/09\/image-215-1024x430.png\" alt=\"\" class=\"wp-image-7977\" width=\"690\" height=\"289\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/09\/image-215-1024x430.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/09\/image-215-300x126.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/09\/image-215-768x322.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/09\/image-215-1536x645.png 1536w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/09\/image-215.png 1854w\" sizes=\"(max-width: 690px) 100vw, 690px\" \/><figcaption>RepMLP Block<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"760\" height=\"761\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/09\/image-216.png\" alt=\"\" class=\"wp-image-7979\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/09\/image-216.png 760w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/09\/image-216-300x300.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/09\/image-216-150x150.png 150w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/09\/image-216-120x120.png 120w\" sizes=\"(max-width: 760px) 100vw, 760px\" \/><\/figure>\n\n\n\n<p>Github source: https:\/\/github.com\/DingXiaoH\/RepMLP<\/p>\n\n\n\n<p>\u6700\u8fd1\u516c\u5f00\u4e86\u4e00\u7cfb\u5217\u89c6\u89c9MLP\u8bba\u6587\uff0c\u5305\u62ecRepMLP\u3001MLP-Mixer\u3001ResMLP\u3001gMLP\u7b49\u3002\u5728\u8fd9\u4e2a\u65f6\u95f4\u70b9\u51fa\u73b0\u5173\u4e8eMLP\u7684\u4e00\u7cfb\u5217\u8ba8\u8bba\u662f\u5f88\u5408\u7406\u7684\uff1a<\/p>\n\n\n\n<p class=\"has-bright-blue-background-color has-background\">1\uff09 Transformer\u5927\u706b\uff0c\u5f88\u591a\u7814\u7a76\u8005\u5728\u62c6\u89e3Transformer\u7684\u8fc7\u7a0b\u4e2d\u591a\u591a\u5c11\u5c11\u5730\u5bf9self-attention\u7684\u5fc5\u8981\u6027\u4ea7\u751f\u4e86\u7591\u95ee\u3002\u53bb\u6389\u4e86self-attention\uff0c\u81ea\u7136\u5c31\u5269MLP\u4e86\u3002<\/p>\n\n\n\n<p>2\uff09 \u79d1\u5b66\u603b\u662f\u87ba\u65cb\u5f0f\u4e0a\u5347\u7684\uff0c\u201c\u590d\u5174\u201d\u8001\u65b9\u6cd5\uff08\u6bd4\u5982\u8bf4\u53e6\u4e00\u7bc7\u201c\u590d\u5174\u201dVGG\u7684\u5de5\u4f5c\uff0cRepVGG\uff09\u603b\u662f\u559c\u95fb\u4e50\u89c1\u7684\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e9b\u8bba\u6587\u5f15\u53d1\u4e86\u70ed\u70c8\u7684\u8ba8\u8bba\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<p>1\uff09 \u8fd9\u4e9b\u6a21\u578b\u5230\u5e95\u662f\u4e0d\u662fMLP\uff1f<\/p>\n\n\n\n<p>2\uff09 \u5377\u79ef\u548c\u5168\u8fde\u63a5\uff08FC\uff09\u7684\u533a\u522b\u548c\u8054\u7cfb\u662f\u4ec0\u4e48\uff1fFC\u662f\u4e0d\u662f\u5377\u79ef\uff0c\u5377\u79ef\u662f\u4e0d\u662fFC\uff1f<\/p>\n\n\n\n<p>3\uff09 \u771f\u6b63\u7684\u7eafMLP\u4e3a\u4ec0\u4e48\u4e0d\u884c\uff1f<\/p>\n\n\n\n<p>4\uff09 \u6240\u4ee5MLP is all you need\uff1f<\/p>\n\n\n\n<p>\u300aRepMLP: Re-parameterizing Convolutions into Fully-connected Layers for Image Recognition\u300b\u3002\u8fd9\u7bc7\u6587\u7ae0\u8bb2\u4e86\u4e00\u4e2a\u5168\u8fde\u63a5\u5c42\u627e\u5230\u4e00\u4efd\u964c\u751f\u7684\u5de5\u4f5c\uff08\u76f4\u63a5\u8fdb\u884cfeature map\u7684\u53d8\u6362\uff09\uff0c\u4e3a\u4e86\u4e0e\u90a3\u4e9b\u5df2\u7ecf\u4e3a\u8fd9\u4efd\u5de5\u4f5c\u6240\u7279\u5316\u7684\u540c\u80de\uff08\u5377\u79ef\u5c42\uff09\u4eec\u7ade\u4e89\uff0c\u5f00\u59cb\u201c\u5185\u5377\u201d\u7684\u6545\u4e8b\u3002<\/p>\n\n\n\n<p class=\"has-bright-blue-background-color has-background\"> <strong> \u5173\u952e\u8d21\u732e\u5728\u4e8e\uff0cRepMLP\u7528\u5377\u79ef\u53bb\u589e\u5f3aFC\uff0c\u65e2\u5229\u7528\u5176\u5168\u5c40\u6027\u53c8\u8d4b\u4e88\u5176\u5c40\u90e8\u6027\uff0c\u5e76\u901a\u8fc7\u7ed3\u6784\u91cd\u53c2\u6570\u5316\uff0c\u5c06\u5377\u79ef\u878d\u5408\u5230FC\u4e2d\u53bb\uff0c\u4ece\u800c\u5728\u63a8\u7406\u65f6\u53bb\u9664\u5377\u79ef\u3002<\/strong><\/p>\n\n\n\n<p><strong>\u8bba\u6587\uff1a<\/strong><a href=\"https:\/\/arxiv.org\/abs\/2105.01883\" target=\"_blank\" rel=\"noreferrer noopener\">RepMLP: Re-parameterizing Convolutions into Fully-connected Layers for Image Recognition<\/a><\/p>\n\n\n\n<p><strong>\u4ee3\u7801\uff1a<\/strong><a rel=\"noreferrer noopener\" href=\"https:\/\/github.com\/DingXiaoH\/RepMLP\" target=\"_blank\">DingXiaoH\/RepMLP<\/a><\/p>\n\n\n\n<h2>1. \u4e3a\u4ec0\u4e48\u771f\u6b63\u7684\u7eafMLP\u4e0d\u592a\u884c\uff1f<\/h2>\n\n\n\n<p>\u6211\u4eec\u4e00\u822c\u8ba4\u4e3a\u591a\u5c42\u611f\u77e5\u673a\uff08MLP\uff09\u662f\u81f3\u5c11\u4e24\u5c42\u5168\u8fde\u63a5\u5c42\uff08FC\uff09\u5806\u53e0\u5f97\u5230\u7684\u6a21\u578b\uff0c\u800c\u4e14\u4e00\u822c\u628a\u540c\u65f6\u542b\u6709\u5377\u79ef\u548cMLP\u7684\u6a21\u578b\uff08\u6216\u6a21\u578b\u4e2d\u7684\u4e00\u4e2a\u6a21\u5757\uff09\u79f0\u4e3aCNN\u3002\u5c3d\u7ba1\u76ee\u524d\u5927\u5bb6\u5bf9\u4ec0\u4e48\u53ebMLP\u7684\u95ee\u9898\u5c1a\u6709\u4e89\u8bae\uff08\u4e0b\u56fe\uff09\uff0c\u6211\u4eec\u4e0d\u59a8\u5148\u5b9a\u4e49\u4e00\u4e2a\u4efb\u4f55\u4eba\u90fd\u4f1a\u79f0\u4e4b\u4e3aMLP\u7684100%\u7eafMLP\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/pic3.zhimg.com\/v2-17052fa0371dabb9d902387a5170437a_r.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u8fd9\u4e2aMLP\u5728ImageNet\u4e0a\u7684\u8f93\u5165\u662f(3, 112, 112)\uff0c\u7b2c\u4e00\u5c42\u5c06\u5176\u53d8\u4e3a\uff0832, 56, 56\uff09\uff0c\u7b2c\u4e8c\u5c42\u5c06\u5176\u53d8\u4e3a\uff0864, 28, 28\uff09\uff0c\u7136\u540eglobal average pool\uff0c\u7136\u540e\u7ecf\u8fc7FC\u6620\u5c04\u4e3a1000\u7c7b\u3002\u8fd9\u6837\u603b\u5171\u53ea\u6709\u4e09\u4e2aFC\uff0c\u6beb\u65e0\u7591\u95ee\u662fMLP\u3002\u8fd9\u4e09\u5c42\u7684\u53c2\u6570\u4e3a\uff1a<\/p>\n\n\n\n<p>\u7b2c\u4e00\u5c42\uff1a3x112x112x32x56x56 = 3.77G \u53c2\u6570<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u5c42\uff1a32x56x56x64x28x28 = 5.03G \u53c2\u6570<\/p>\n\n\n\n<p>\u7b2c\u4e09\u5c42\uff1a64&#215;1000 = 64k \u53c2\u6570\uff0c\u5ffd\u7565\u4e0d\u8ba1<\/p>\n\n\n\n<p>\u770b\u8d77\u6765\u6709\u70b9\u5413\u4eba\uff0c\u4f46\u8fd9\u786e\u5b9e\u662f\u4e00\u4e2a\u5904\u4e8eA1\u4f4d\u7f6e\u7684\u7eafMLP\u5e94\u6709\u7684\u4f53\u91cf\uff0c\u867d\u7136\u5b83\u53ea\u6709\u4e24\u5c42\uff0c\u800c\u4e14\u901a\u9053\u6570\u53ea\u670932\u548c64\u3002\u9664\u4e86\u51cf\u5c0f\u901a\u9053\u6570\u91cf\uff0c\u4efb\u4f55\u8bd5\u56fe\u51cf\u5c0f\u53c2\u6570\u91cf\u7684\u6539\u52a8\u90fd\u5c06\u4f7f\u5176\u4e0d\u518d\u5c5e\u4e8eA1\u4f4d\u7f6e\u3002\u6bd4\u5982\u8bf4\uff1a<\/p>\n\n\n\n<p>1\uff09 \u5148\u5207\u5757\u3002\u628a112&#215;112\u7684\u8f93\u5165\u5207\u621056&#215;56\u7684\u56db\u5757\uff0c\u6bcf\u4e00\u5757\u7ecf\u8fc7\u7b2c\u4e00\u5c42\u53d8\u621028&#215;28\uff0c\u518d\u62fc\u8d77\u6765\uff0c\u8fd9\u6837\u7b2c\u4e00\u5c42\u7684\u53c2\u6570\u91cf\u53d8\u6210\u4e863x56x56x32x28x28=236M\uff0c\u770b\u8d77\u6765\u597d\u591a\u4e86\u3002\u4f46\u662f\uff0c\u8fd9\u7834\u574f\u4e86\u5168\u5c40\u6027\uff0c\u56e0\u4e3a\u5206\u5c5e\u4e8e\u4e24\u5757\u4e2d\u7684\u4e24\u70b9\u4e4b\u95f4\u4e0d\u518d\u6709\u8054\u7cfb\u4e86\uff01\u6362\u53e5\u8bdd\u8bf4\uff0c\u6211\u4eec\u5f15\u5165\u4e86\u4e00\u79cd<strong>\u5c40\u90e8\u6027<\/strong>\uff1a\u4e00\u5f20\u56fe\u5207\u6210\u56db\u5757\u4e4b\u540e\uff0c\u6bcf\u5757\u4e2d\u7684\u4efb\u4e00\u50cf\u7d20\u53ea\u8ddf\u540c\u5757\u4e2d\u7684\u5176\u4ed6\u50cf\u7d20\u6709\u8054\u7cfb\u3002ViT\uff0cRepMLP\u548c\u5176\u4ed6\u51e0\u7bc7MLP\u90fd\u7528\u4e86\u8fd9\u79cd\u64cd\u4f5c\u6216\u67d0\u79cd\u7c7b\u4f3c\u7684\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>2\uff09 \u5206\u7ec4FC\u3002\u6b63\u5982\u5377\u79ef\u6709\u5206\u7ec4\u5377\u79ef\u4e00\u6837\uff0cFC\u4e5f\u53ef\u4ee5\u5206\u7ec4\u3002\u7531\u4e8etorch\u91cc\u6ca1\u6709\u73b0\u6210\u7684\u7b97\u5b50\uff0c<strong>\u5206\u7ec4FC\u53ef\u4ee5\u7528\u5206\u7ec41&#215;1\u5377\u79ef\u5b9e\u73b0<\/strong>\u3002\u7ec4\u6570\u4e3ag\uff0c\u53c2\u6570\u91cf\u548c\u8ba1\u7b97\u91cf\u5c31\u4f1a\u53d8\u62101\/g\u3002\u53ef\u60dc\uff0c\u8fd9\u4e5f\u5f15\u5165\u4e86\u5c40\u90e8\u6027\u3002RepMLP\u7528\u4e86\u8fd9\u79cd\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>3\uff09<strong> \u628a\u4e00\u4e2aFC\u62c6\u5206\u6210\u4e24\u6b21\u64cd\u4f5c\uff0c\u7b2c\u4e00\u6b21\u64cd\u4f5c\u5bf9channel\u7ef4\u5ea6\u7ebf\u6027\u91cd\u7ec4\uff0cspatial\u5171\u4eab\u53c2\u6570\uff08\u7b49\u4ef7\u4e8e1&#215;1\u5377\u79ef\uff09\uff1b\u7b2c\u4e8c\u6b21\u64cd\u4f5c\u5bf9spatial\u7ef4\u5ea6\u7ebf\u6027\u91cd\u7ec4\uff0cchannel\u5171\u4eab\u53c2\u6570\uff08\u7b49\u4ef7\u4e8e\u5148\u8f6c\u7f6e\u540e1&#215;1\u5377\u79ef\uff09\u3002<\/strong>\u8fd9\u601d\u60f3\u53ef\u4ee5\u7c7b\u6bd4\u4e8edepthwise conv + 1&#215;1 conv\u3002MLP-Mixer\u4f7f\u7528\u8fd9\u79cd\u64cd\u4f5c\uff0c\u7528\u4e24\u4e2a\u5404\u81ea\u90fd\u4e0d\u5177\u6709\u5168\u5c40\u6027\u7684\u64cd\u4f5c\u5b9e\u73b0\u4e86\u6574\u4f53\u7684\u5168\u5c40\u6027\uff08\u800cRepMLP\u4f7f\u7528\u53e6\u4e00\u79cd\u4e0d\u540c\u7684\u673a\u5236\uff0c\u5bf9\u4e0d\u540c\u7684\u5206\u5757\u505apooling\u518d\u8fde\u63a5\uff0c\u5b9e\u73b0\u4e86\u8fd9\u79cd\u5168\u5c40\u6027\uff09\u3002<\/p>\n\n\n\n<p><strong>\u6240\u4ee5\uff0c\u771f\u6b63\u7684100%\u7eafMLP\u4e0d\u592a\u884c\uff0c\u5927\u5bb6\u90fd\u5728\u7528\u5404\u79cd\u82b1\u5f0f\u64cd\u4f5c\u505a\u201c\u4f2aMLP\u201d\u7684\u539f\u56e0\u4e4b\u4e00\uff0c\u5c31\u662f\u4f53\u91cf\u592a\u5927\u3002<\/strong><\/p>\n\n\n\n<p class=\"has-dark-purple-color has-light-pink-background-color has-text-color has-background\"><strong>\u8fd9\u7bc7\u6587\u7ae0\u4ecb\u7ecd\u7684RepMLP\u5c5e\u4e8eB2\u7684\u4f4d\u7f6e\uff0c\u4e0d\u8ffd\u6c42\u7eafMLP\u3002\u79f0\u5176\u4e3a\u201cMLP\u201d\u7684\u539f\u56e0\u662f\u60f3\u5f3a\u8c03\u5377\u79ef\u548cFC\u7684\u533a\u522b\uff1aRepMLP\u5c06\u5377\u79ef\u770b\u6210\u4e00\u79cd\u7279\u6b8a\u7684FC\uff0c\u663e\u5f0f\u5730\u7528\u5377\u79ef\u53bb\u5f3a\u5316FC\uff08\u628aFC\u53d8\u5f97\u5177\u6709\u5c40\u90e8\u6027\u53c8\u4e0d\u5931\u5168\u5c40\u6027\uff09\uff0c\u6307\u51fa\u4e86\u8fd9\u6837\u7684FC\u5f3a\u5728\u54ea\u91cc\uff08\u5982ResNet-50\u4e2d\uff0c\u7528\u4e00\u534a\u901a\u9053\u6570\u91cf\u7684RepMLP\u66ff\u63623&#215;3\u5377\u79ef\u5c31\u53ef\u4ee5\u5b9e\u73b0\u540c\u7b49\u7cbe\u5ea6\u548c55%\u52a0\u901f\uff09\uff0c\u5e76\u7528\u8fd9\u79cd\u5f3a\u5316\u8fc7\u7684FC\uff08\u53ca\u4e00\u4e9b\u5176\u4ed6\u6280\u5de7\uff09\u6784\u9020\u4e00\u79cd\u901a\u7528\u7684CNN\u57fa\u672c\u7ec4\u4ef6\uff0c\u63d0\u5347\u591a\u91cd\u4efb\u52a1\u6027\u80fd\u3002\u8bba\u6587\u4e2d\u8bf4\u660e\u4e86\u8fd9\u91ccMLP\u7684\u610f\u601d\u662f\u63a8\u7406\u65f6\u7ed3\u6784\u201c\u4e0d\u5305\u542b\u5927\u4e8e1&#215;1\u7684\u5377\u79ef\u201d\u3002<\/strong><\/p>\n\n\n\n<h2>2. RepMLP\uff1aFC\u201c\u5185\u5377\u201d\uff0c\u5377\u51fa\u6027\u80fd<\/h2>\n\n\n\n<p class=\"has-light-pink-background-color has-background\"><strong>\u771f\u6b63\u7684100%\u7eafMLP\u4e0d\u592a\u884c\u7684\u539f\u56e0\u4e4b\u4e8c\uff0c\u662f\u4e0d\u5177\u6709\u5c40\u90e8\u5148\u9a8c\u3002<\/strong><\/p>\n\n\n\n<p><strong>\u5728\u4e00\u5f20\u56fe\u7247\u4e2d\uff0c\u4e00\u4e2a\u50cf\u7d20\u70b9\u8ddf\u5b83\u5468\u56f4\u7684\u50cf\u7d20\u70b9\u7684\u5173\u7cfb\u5f80\u5f80\u6bd4\u8fdc\u5728\u5929\u8fb9\u7684\u53e6\u4e00\u4e2a\u50cf\u7d20\u70b9\u66f4\u5bc6\u5207\uff0c\u8fd9\u79f0\u4e3a\u5c40\u90e8\u6027\u3002\u4eba\u7c7b\u5728\u8bc6\u522b\u56fe\u7247\u7684\u65f6\u5019\u6f5c\u610f\u8bc6\u5730\u5229\u7528\u8fd9\u4e00\u70b9\uff0c\u79f0\u4e3a\u5c40\u90e8\u5148\u9a8c\u3002\u5377\u79ef\u7f51\u7edc\u7b26\u5408\u5c40\u90e8\u5148\u9a8c\uff0c\u56e0\u4e3a\u5377\u79ef\u6838\u901a\u8fc7\u6ed1\u52a8\u7a97\u53e3\u5728\u56fe\u7247\u4e0a\u201c\u4e00\u5757\u4e00\u5757\u5730\u201d\u5bfb\u627e\u67d0\u79cd\u7279\u5f81\u3002<\/strong><\/p>\n\n\n\n<p>\u90a3\u4e48FC\u5c42\u5462\uff1fFC\u80fd\u81ea\u52a8\u5b66\u5230\u8fd9\u4e00\u70b9\u5417\uff1f\u5728\u6709\u9650\u7684\u6570\u636e\u91cf\uff08ImageNet\uff09\u548c\u6709\u9650\u7684\u8ba1\u7b97\u8d44\u6e90\u524d\u63d0\uff08GPU\uff09\u4e0b\uff0c\u5f88\u96be\u3002<\/p>\n\n\n\n<p>\u5b9e\u9a8c\u9a8c\u8bc1\uff1a\u4e0b\u9762\u6211\u4eec\u5047\u8bbeFC\u5c42\u7684\u8f93\u5165\u662f64x10x10\u7684feature 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class=\"aligncenter\"><img src=\"https:\/\/pic1.zhimg.com\/80\/v2-e0904281d9cb5d84aef940212d270b74_720w.jpg\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<p>\u7ed3\u679c\u5f88\u660e\u663e\uff0c\uff086,6\uff09\u5468\u56f4\u7684\u6743\u503c\u5e76\u6ca1\u6709\u989c\u8272\u66f4\u6df1\uff0c\u4e5f\u5c31\u662f\u8bf4FC\u5e76\u4e0d\u8ba4\u4e3a\u8fd9\u4e2a\u70b9\u548c\u5468\u56f4\u70b9\u7684\u8054\u7cfb\u66f4\u7d27\u5bc6\u3002\u76f8\u53cd\uff0c\u4f3c\u4e4e\u8fd9\u4e2aFC\u5c42\u8ba4\u4e3a\uff086,6\uff09\u70b9\u4e0e\u53f3\u4e0a\u548c\u53f3\u4e0b\u90e8\u5206\u5173\u7cfb\u66f4\u5bc6\u5207\u3002\u5b9e\u9a8c\u4e5f\u8bc1\u660e\uff0c\u4e0d\u5177\u6709\u5c40\u90e8\u6027\u7684FC\u6548\u679c\u8f83\u5dee\u3002<\/p>\n\n\n\n<p class=\"has-bright-blue-background-color has-background\">\u65e2\u7136\u56fe\u50cf\u7684\u5c40\u90e8\u6027\u5f88\u5f3a\uff0cFC\u628a\u63e1\u4e0d\u4f4f\uff0c\u90a3\u600e\u4e48\u529e\u5462\uff1f<strong>RepMLP\u63d0\u51fa\uff0c\u7528\u5377\u79ef\u53bb\u589e\u5f3aFC\uff08\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u8f93\u5165\u65e2\u88ab\u5c55\u5e73\u6210\u5411\u91cf\u5e76\u8f93\u5165FC\uff0c\u53c8\u7528\u4e0d\u540c\u5927\u5c0f\u7684\u5377\u79ef\u6838\u8fdb\u884c\u5377\u79ef\uff0c\u5404\u81ea\u8fc7BN\u540e\u76f8\u52a0\uff09\uff0c\u5e76\u901a\u8fc7\u7ed3\u6784\u91cd\u53c2\u6570\u5316\uff0c\u5c06\u5377\u79ef\u878d\u5408\u5230FC\u4e2d\u53bb\uff0c\u4ece\u800c\u5728\u63a8\u7406\u65f6\u53bb\u9664\u5377\u79ef\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/pic1.zhimg.com\/v2-ff932c0f8ecd01b8708ddf760813a6ac_r.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6211\u4eec\u5c06\u5377\u79ef\u548cFC\u4e4b\u95f4\u5efa\u7acb\u8054\u7cfb\uff0c\u662f\u56e0\u4e3a<strong>\u5377\u79ef\u53ef\u4ee5\u770b\u6210\u4e00\u4e2a\u7a00\u758f\u4e14\u5b58\u5728\u91cd\u590d\u53c2\u6570\u7684FC<\/strong>\u3002\u5982\u4e0b\u56fe\u4ee3\u7801\u6240\u793a\uff0c\u7ed9\u5b9a\u8f93\u5165X\u548c\u5377\u79ef\u6838conv_K\uff0c\u5176\u5377\u79ef\u7684\u7ed3\u679c\u7b49\u4e8eX\uff08\u76f4\u63a5\u5c55\u5e73\u6210\u5411\u91cf\uff09\u548cfc_K\u7684\u77e9\u9635\u4e58\uff0c<strong>fc_K\u79f0\u4e3aconv_K\u7684\u7b49\u6548FC\u6838<\/strong>\u3002\u5c3d\u7ba1\u6211\u4eec\u90fd\u76f8\u4fe1\u8fd9\u6837\u7684fc_K\u4e00\u5b9a\u5b58\u5728\uff0c\u4f46\u6839\u636econv_K\u7684\u503c\u76f4\u63a5\u6784\u9020\u51fafc_K\u7684\u65b9\u6cd5\uff08\u4e0b\u56fe\u4e2d\u7684convert_K\u51fd\u6570\uff09\u4f3c\u4e4e\u4e0d\u592a\u7b80\u5355\u3002<\/p>\n\n\n\n<p>\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u79cd\u7b80\u6d01\u4f18\u7f8e\u7684\u505a\u6cd5\uff08\u89c1\u540e\u6587\uff09\u3002\u6211\u4eec\u7528\u8fd9\u79cd\u65b9\u6cd5\u6784\u9020\u51fafc_K\u5e76\u6253\u5370\u51fa\u6765\uff0c\u53ef\u4ee5\u770b\u51fa\u5b83\u662f\u4e00\u4e2a\u7a00\u758f\u4e14\u6709\u5f88\u591a\u5143\u7d20\u76f8\u540c\u7684\u77e9\u9635\uff08Toeplitz\u77e9\u9635\uff09\u3002\u5982\u4e0b\u56fe\u7684\u4ee3\u7801\u548c\u7ed3\u679c\u6240\u793a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/pic2.zhimg.com\/v2-9eac26ef4e20dd70b3b34d782fefde71_r.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/pic2.zhimg.com\/v2-ff6fe23905901390c001a021bf6f7199_r.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>RepMLP\u628a\u5377\u79ef\u7684\u8f93\u51fa\u548cFC\u7684\u8f93\u51fa\u76f8\u52a0\uff0c\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\uff1a<\/p>\n\n\n\n<p>1\uff09 <strong>\u964d\u4f4eFLOPs\uff0c\u63d0\u9ad8\u901f\u5ea6\u3002<\/strong>\u7528\u6211\u4eec\u63d0\u51fa\u7684\u65b9\u6cd5\u628a\u5377\u79ef\u5168\u90fd\u8f6c\u6362\u4e3a\u7b49\u6548FC kernel\u540e\uff0c\u7531\u4e8e\u77e9\u9635\u4e58\u6cd5\u7684\u53ef\u52a0\u6027\uff08<strong>AX<\/strong>&nbsp;+&nbsp;<strong>BX<\/strong>&nbsp;= 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<strong>\u76f8\u6bd4\u4e8e\u7eafFC\uff0c\u8fd9\u6837\u505a\u4ea7\u751f\u4e86\u5c40\u90e8\u6027\u3002<\/strong>\u6ce8\u610f\u8fd9\u79cd\u5c40\u90e8\u6027\u662f\u6211\u4eec\u201c\u8d4b\u4e88\u201dFC\u7684\uff0c\u800c\u4e0d\u662f\u8ba9FC\u5b66\u5230\u7684\u3002<\/p>\n\n\n\n<p>4\uff09 \u76f8\u6bd4\u4e8e\u5377\u79ef\u5c42\uff0c\u8fd9\u6837\u505a\u4f7f\u5f97\u76f8\u8ddd\u9065\u8fdc\u7684\u4e24\u4e2a\u70b9\u76f4\u63a5\u76f8\u8fde\uff0c\u5177\u5907\u4e86\u5168\u5c40\u6027\u3002<\/p>\n\n\n\n<p>\u8fd9\u6837\u505a\u770b\u8d77\u6765\u50cf\u662f\u8ba9FC\u7684\u201c\u5185\u90e8\u201d\u542b\u6709\u5377\u79ef\uff0c\u6240\u4ee5\u4e5f\u53ef\u4ee5\u79f0\u4e3a\u201c\u5185\u5377\u201d\u3002\u4e8b\u5b9e\u8bc1\u660e\uff0c\u8ddf\u4eba\u7c7b\u76f8\u4f3c\uff0cFC\u7684\u201c\u5185\u5377\u201d\u4e5f\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n\n\n\n<p><strong>\u53ea\u5269\u4e0b\u4e00\u4e2a\u95ee\u9898\u4e86\uff1a\u6211\u4eec\u76f8\u4fe1\u5b58\u5728\u4e00\u4e2aFC kernel\u7b49\u4ef7\u4e8e\u5377\u79ef\u7684\u5377\u79ef\u6838\uff0c\u4f46\u662f\u7ed9\u5b9a\u4e00\u4e2a\u8bad\u7ec3\u597d\u7684\u5377\u79ef\u6838\uff0c\u600e\u4e48\u6784\u9020\u51faFC kernel\uff08Toeplitz\u77e9\u9635\uff09\u5462\uff1f<\/strong><\/p>\n\n\n\n<p>\u5176\u5b9e\u4e5f\u5f88\u7b80\u5355\uff1aFC kernel\u7b49\u4e8e<strong>\u5728\u5355\u4f4d\u77e9\u9635reshape\u6210\u7684feature map\u4e0a\u7528\u5377\u79ef\u6838\u505a\u5377\u79ef\u7684\u7ed3\u679c<\/strong>\u3002\u8fd9\u4e00\u505a\u6cd5\u662f<strong>\u9ad8\u6548\u3001\u53ef\u5fae\u3001\u4e0e\u5177\u4f53\u7684\u5377\u79ef\u7b97\u6cd5\u548c\u5e73\u53f0\u65e0\u5173<\/strong>\u7684\u3002\u63a8\u5bfc\u8fc7\u7a0b\u4e5f\u5f88\u7b80\u6d01\uff08\u8be6\u89c1\u8bba\u6587\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/pic3.zhimg.com\/v2-b850fc7b02ec19ace5b89895cc950be6_r.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u73b0\u5728\uff0c\u6574\u4e2a\u6d41\u7a0b\u5c31\u5f88\u6e05\u6670\u4e86\uff1a<\/p>\n\n\n\n<p>1\uff09 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kernel\uff0c\u53ef\u4ee5\u770b\u51fa\u91c7\u6837\u70b9\u5468\u56f4\u7684\u6743\u503c\u53d8\u5927\u4e86\uff0c\u73b0\u5728\uff086,6\uff09\u70b9\u66f4\u5173\u6ce8\u5b83\u65c1\u8fb9\u7684\u8f93\u5165\u70b9\u4e86\u3002\u6709\u8da3\u7684\u662f\uff0c\u8fd9\u91cc\u7528\u5230\u7684\u6700\u5927\u5377\u79ef\u662f7&#215;7\uff0c\u4f46\u662f7&#215;7\u7684\u8303\u56f4\uff08\u84dd\u8272\u6846\uff09\u5916\u8fd8\u6709\u4e00\u4e9b\u503c\uff08\u7ea2\u8272\u6846\uff09\u6bd4\u84dd\u6846\u5185\u7684\u503c\u5927\uff0c\u8fd9\u8bf4\u660e\u5168\u5c40\u6027\u4e5f\u6ca1\u6709\u88ab\u5c40\u90e8\u6027\u201c\u6df9\u6ca1\u201d\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img src=\"https:\/\/pic4.zhimg.com\/80\/v2-43718f2af57fb21e634217438fa47387_720w.jpg\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<h2>\u4e00\u4e9b\u5176\u4ed6\u8bbe\u8ba1<\/h2>\n\n\n\n<p>RepMLP\u4e2d\u4e5f\u7528\u4e86\u4e00\u4e9b\u5176\u4ed6\u8bbe\u8ba1\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<p>1\uff09 \u7528groupwise conv\u5b9e\u73b0groupwise FC\uff0c\u51cf\u5c11\u53c2\u6570\u548c\u8ba1\u7b97\u91cf\u3002<\/p>\n\n\n\n<p>2\uff09 \u5c06\u8f93\u5165\u5206\u5757\uff08\u6700\u8fd1\u5927\u5bb6\u90fd\u4f1a\u7528\u7684\u5e38\u89c1\u64cd\u4f5c\uff09\uff0c\u8fdb\u4e00\u6b65\u51cf\u5c11\u53c2\u6570\u548c\u8ba1\u7b97\u91cf\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff0cH\u548cW\u662ffeature map\u7684\u5206\u8fa8\u7387\uff0ch\u548cw\u662f\u6bcf\u4e00\u5757\u7684\u5206\u8fa8\u7387\u3002<\/p>\n\n\n\n<p>3\uff09 \u7528\u4e24\u4e2aFC\u5728\u4e0d\u540c\u5206\u5757\u4e4b\u95f4\u5efa\u7acb\u8054\u7cfb\uff0c\u786e\u4fdd\u5168\u5c40\u6027\u3002\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/pic4.zhimg.com\/v2-822752b8a4c8dfef6b5992196cce7dab_r.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<h2>\u5b9e\u9a8c\u7ed3\u679c<\/h2>\n\n\n\n<p>\u7528RepMLP\u66ff\u6362Res50\u4e2d\u7684\u90e8\u5206\u7ed3\u6784\uff0c\u5728ImageNet\u4e0a\u6709\u6027\u80fd\u63d0\u5347\u3002\u5c06ImageNet pretrained\u6a21\u578b\u8fc1\u79fb\u5230\u8bed\u4e49\u5206\u5272\u548c\u4eba\u8138\u4e0a\uff0c\u4e5f\u90fd\u6709\u6027\u80fd\u63d0\u5347\u3002<\/p>\n\n\n\n<p>\u5728ImageNet\u4e0a\u7684\u5b9e\u9a8c\u662f\u5728Res50\u4e2d\u505a\u7684\u3002\u8003\u8651\u5230Res50\u7684\u4e3b\u5e72\u901a\u9053\u8f83\u591a\uff08256\u3001512\u30011024\u30012048\uff09\uff0c\u4e3a\u4e86\u5c06RepMLP\u7528\u5230Res50\u4e2d\u53d6\u5f97\u5408\u7406\u7684trade-off\uff0c\u6211\u4eec\u505a\u4e86\u4ee5\u4e0b\u8bbe\u8ba1\uff1a<\/p>\n\n\n\n<p>1\uff09RepMLP Bottleneck Block\uff1a\u5728RepMLP\u4e4b\u524d\u75281&#215;1\u548c3&#215;3\u964d\u7ef4\uff0cRepMLP\u4e4b\u540e\u75283&#215;3\u548c1&#215;1\u5347\u7ef4\u3002\u8fd9\u4e00\u7ed3\u6784\u7c7b\u4f3c\u4e8e\u65f7\u89c6\u5728\u5de5\u7a0b\u4e2d\u63a2\u7d22\u5e76\u7533\u8bf7\u7684\u4e13\u5229GLFP\uff08202010422194.X\uff0c Visual task processing method and device and electronic system\uff0c\u4e0b\u56fe\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/pic4.zhimg.com\/v2-955448e7e64207ef5b2128abaaa1c4c7_r.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>2\uff09RepMLP Light Block\uff1a\u5728RepMLP\u4e4b\u524d\u75281&#215;1\u5927\u5e45\u964d\u7ef4\uff0c\u4e4b\u540e\u75281&#215;1\u5927\u5e45\u5347\u7ef4\u3002\u964d\u7ef4\/\u5347\u7ef4\u7684\u5e45\u5ea6\uff088x\uff09\u6bd4Res50\uff084x\uff09\u66f4\u5927\u3002<\/p>\n\n\n\n<p>\u4e00\u4e9b\u6709\u8da3\u7684\u53d1\u73b0\uff1a<\/p>\n\n\n\n<p>1\uff09 RepMLP\u4e2d\u5177\u6709\u5c40\u90e8\u5148\u9a8c\u7684\u6210\u5206\uff08\u878d\u5408\u8fdbFC\u7684\u5377\u79ef\uff09\uff0c\u6240\u4ee5\u5bf9\u4e8e\u5177\u6709\u5e73\u79fb\u4e0d\u53d8\u6027\u7684\u4efb\u52a1\uff08ImageNet\uff0cCityscapes\u8bed\u4e49\u5206\u5272\uff09\u6709\u6548\u3002<\/p>\n\n\n\n<p>2\uff09 RepMLP\u4e2d\u4e5f\u5177\u6709\u4e0d\u5177\u6709\u5e73\u79fb\u4e0d\u53d8\u6027\u7684\u6210\u5206\uff08\u5927FC kernel\uff09\uff0c\u6240\u4ee5\u5bf9\u4e8e\u5177\u6709\u67d0\u79cd\u4f4d\u7f6e\u6a21\u5f0f\uff08\u4f8b\u5982\u4eba\u8138\u56fe\u50cf\u4e2d\uff0c\u773c\u775b\u603b\u662f\u5728\u9f3b\u5b50\u4e0a\u9762\uff09\u7684\u4efb\u52a1\u4e5f\u6709\u6548\u3002<\/p>\n\n\n\n<p>3\uff09 \u7531\u4e8eFC\u548c\u5377\u79ef\u7684\u5dee\u522b\uff0cRepMLP\u53ef\u4ee5\u5927\u5e45\u589e\u52a0\u53c2\u6570\u800c\u4e0d\u964d\u4f4e\u901f\u5ea6\uff08\u53c2\u6570\u589e\u52a047%\uff0cImageNet\u7cbe\u5ea6\u63d0\u53470.31%\uff0c\u901f\u5ea6\u4ec5\u964d\u4f4e2.2%\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/pic3.zhimg.com\/v2-241c50cb750a1b385d5ff48425ba9ca2_r.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<h2><strong>\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898<\/strong><\/h2>\n\n\n\n<h3>RepMLP\u548cResMLP\u662f\u4ec0\u4e48\u5173\u7cfb\uff1f<\/h3>\n\n\n\n<p>\u76f8\u5f53\u4e8e\u65fa\u65fa\u788e\u51b0\u51b0\u548c\u738b\u51b0\u51b0\u7684\u5173\u7cfb\u3002\u53ea\u662f\u540d\u5b57\u6709\u70b9\u50cf\u3002RepMLP\u4e2d\u7528\u5377\u79ef\u589e\u5f3aFC\u7684\u601d\u8def\u4e5f\u53ef\u4ee5\u7528\u5728\u5176\u4ed6MLP\u67b6\u6784\u4e2d\uff0c\u5e94\u8be5\u4e5f\u4f1a\u6709\u63d0\u5347\u3002\u53e6\u5916\uff0cResMLP\u3001RepMLP\u548cResRep\uff08\u53bb\u5e74\u505a\u7684\u4e00\u7bc7\u7528\u91cd\u53c2\u6570\u5316\u505a\u526a\u679d\u7684\u8bba\u6587\uff09\u4e5f\u6ca1\u6709\u5173\u7cfb\u3002<\/p>\n\n\n\n<h3>\u628a\u5377\u79ef\u878d\u5408\u8fdbFC\u91cc\uff0c\u90a3FC\u4e0d\u5c31\u662f\u5377\u79ef\u4e86\u5417\uff1f<\/h3>\n\n\n\n<p>\u5377\u4e86\uff0c\u4f46\u4e0d\u662f\u5b8c\u5168\u5377\uff0c\u800c\u4e14\u6bd4\u5377\u79ef\u66f4\u5f3a\u3002\u4e0a\u9762\u53ef\u89c6\u5316\u7684\u56fe\u663e\u793a\uff0c\u8f6c\u6362\u540e\u7684kernel\u53ef\u4ee5\u5173\u6ce8\u5230\u5377\u79ef\u6838\u7684\u611f\u53d7\u91ce\u4ee5\u5916\u7684\u4fe1\u606f\uff0c\u56e0\u800c\u8868\u5f81\u80fd\u529b\u66f4\u5f3a\u3002\u8bba\u6587\u4e2d\u62a5\u544a\u7684\u5b9e\u9a8c\u8868\u660e\uff0c\u8fd9\u6837\u7684\u64cd\u4f5c\u53ef\u4ee5\u4ee5\u4e00\u534a\u7684channel\u91cf\u8fbe\u5230\u4e0e\u7eafCNN\u76f8\u5f53\u7684\u6027\u80fd\uff0c\u901f\u5ea6\u66f4\u5feb\uff0cFLOPs\u66f4\u4f4e\u3002\u672c\u6587\u7684\u5173\u952e\u4e5f\u5728\u4e8e\u628a\u5377\u79ef\u770b\u6210\u4e00\u79cd\u7279\u6b8a\u7684FC\uff0c\u7136\u540e<strong>\u8003\u8651\u5982\u4f55\u5229\u7528\u8fd9\u79cd\u7279\u6b8a\u6027<\/strong>\u3002<\/p>\n\n\n\n<h3>\u6240\u4ee5MLP is all you need\uff1f<\/h3>\n\n\n\n<p class=\"has-bright-blue-background-color 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MLP\u7cfb\u5217&#8211;RepMLP<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[30,4,9],"tags":[],"_links":{"self":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/7953"}],"collection":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/comments?post=7953"}],"version-history":[{"count":25,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/7953\/revisions"}],"predecessor-version":[{"id":8939,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/7953\/revisions\/8939"}],"wp:attachment":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/media?parent=7953"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/categories?post=7953"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/tags?post=7953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}