{"id":36085,"date":"2025-01-05T16:00:11","date_gmt":"2025-01-05T08:00:11","guid":{"rendered":"https:\/\/17aitech.com\/?p=36085"},"modified":"2025-01-05T16:00:11","modified_gmt":"2025-01-05T08:00:11","slug":"%e6%89%a9%e6%95%a3%e6%a8%a1%e5%9e%8b%e8%ae%ad%e7%bb%83%e6%96%b9%e6%b3%95%e4%b8%80%e7%9b%b4%e9%94%99%e4%ba%86%ef%bc%81%e8%b0%a2%e8%b5%9b%e5%ae%81%ef%bc%9arepresentation-matters","status":"publish","type":"post","link":"https:\/\/17aitech.com\/?p=36085","title":{"rendered":"\u6269\u6563\u6a21\u578b\u8bad\u7ec3\u65b9\u6cd5\u4e00\u76f4\u9519\u4e86\uff01\u8c22\u8d5b\u5b81\uff1aRepresentation matters"},"content":{"rendered":"<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u4e92\u8054\u7f51:<a href=\"https:\/\/www.jiqizhixin.com\/articles\/2024-10-14-6\" target=\"_blank\">\u6269\u6563\u6a21\u578b\u8bad\u7ec3\u65b9\u6cd5\u4e00\u76f4\u9519\u4e86\uff01\u8c22\u8d5b\u5b81\uff1aRepresentation matters<\/a><\/p>\n<blockquote data-author-name=\"\" data-content-utf8-length=\"68\" data-source-title=\"\" data-type=\"2\" data-url=\"\">\n<section>\n<section>\n<p>Representation matters. Representation matters. Representation matters.<\/p>\n<\/section>\n<\/section>\n<\/blockquote>\n<p>\u662f\u4ec0\u4e48\u8ba9\u7ebd\u7ea6\u5927\u5b66\u8457\u540d\u7814\u7a76\u8005\u8c22\u8d5b\u5b81\u4e09\u8fde\u547c\u558a\u300cRepresentation matters\u300d\uff1f\u4ed6\u8868\u793a\uff1a\u300c\u6211\u4eec\u53ef\u80fd\u4e00\u76f4\u90fd\u5728\u7528\u9519\u8bef\u7684\u65b9\u6cd5\u8bad\u7ec3\u6269\u6563\u6a21\u578b\u3002\u300d\u5373\u4f7f\u5bf9\u751f\u6210\u6a21\u578b\u800c\u8a00\uff0c\u8868\u5f81\u4e5f\u4f9d\u7136\u6709\u7528\u3002\u57fa\u4e8e\u6b64\uff0c\u4ed6\u4eec\u63d0\u51fa\u4e86 REPA\uff0c\u5373\u8868\u5f81\u5bf9\u9f50\u6280\u672f\uff0c\u5176\u80fd\u8ba9\u300c\u8bad\u7ec3\u6269\u6563 Transformer \u53d8\u5f97\u6bd4\u4f60\u60f3\u8c61\u7684\u66f4\u7b80\u5355\u3002\u300d<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-2761ae856509d7e6e4115883ee67c7be.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-2761ae856509d7e6e4115883ee67c7be.png\"><\/a><\/p>\n<p>Yann LeCun \u4e5f\u5bf9\u4ed6\u4eec\u7684\u7814\u7a76\u8868\u793a\u4e86\u8ba4\u53ef\uff1a\u300c\u6211\u4eec\u77e5\u9053\uff0c\u5f53\u4f7f\u7528\u81ea\u76d1\u7763\u5b66\u4e60\u8bad\u7ec3\u89c6\u89c9\u7f16\u7801\u5668\u65f6\uff0c\u4f7f\u7528\u5177\u6709\u91cd\u6784\u635f\u5931\u7684\u89e3\u7801\u5668\u7684\u6548\u679c\u8fdc\u4e0d\u5982\u4f7f\u7528\u5177\u6709\u7279\u5f81\u9884\u6d4b\u635f\u5931\u548c\u5d29\u6e83\u9884\u9632\u673a\u5236\u7684\u8054\u5408\u5d4c\u5165\u67b6\u6784\u3002\u8fd9\u7bc7\u6765\u81ea\u7ebd\u7ea6\u5927\u5b66 @sainingxie \u7684\u8bba\u6587\u8868\u660e\uff0c\u5373\u4f7f\u4f60\u53ea\u5bf9\u751f\u6210\u50cf\u7d20\u611f\u5174\u8da3\uff08\u4f8b\u5982\u4f7f\u7528\u6269\u6563 Transformer \u751f\u6210\u6f02\u4eae\u56fe\u7247\uff09\uff0c\u4e5f\u5e94\u8be5\u5305\u542b\u7279\u5f81\u9884\u6d4b\u635f\u5931\uff0c\u4ee5\u4fbf\u89e3\u7801\u5668\u7684\u5185\u90e8\u8868\u5f81\u53ef\u4ee5\u6839\u636e\u9884\u8bad\u7ec3\u7684\u89c6\u89c9\u7f16\u7801\u5668\uff08\u4f8b\u5982 DINOv2\uff09\u9884\u6d4b\u7279\u5f81\u3002\u300d<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-6ade14a81636d501db1891953123c136.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-6ade14a81636d501db1891953123c136.png\"><\/a><\/p>\n<p>\u6211\u4eec\u77e5\u9053\uff0c\u5728\u751f\u6210\u9ad8\u7ef4\u89c6\u89c9\u6570\u636e\u65b9\u9762\uff0c\u57fa\u4e8e\u53bb\u566a\u7684\u751f\u6210\u6a21\u578b\uff08\u5982\u6269\u5c55\u6a21\u578b\u548c\u57fa\u4e8e\u6d41\u7684\u6a21\u578b\uff09\u7684\u8868\u73b0\u975e\u5e38\u597d\uff0c\u5df2\u7ecf\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u8fd1\u6bb5\u65f6\u95f4\uff0c\u4e5f\u6709\u7814\u7a76\u5f00\u59cb\u63a2\u7d22\u5c06\u6269\u5c55\u6a21\u578b\u7528\u4f5c\u8868\u5f81\u5b66\u4e60\u5668\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u6a21\u578b\u7684\u9690\u85cf\u72b6\u6001\u53ef\u4ee5\u6355\u83b7\u6709\u610f\u4e49\u7684\u5224\u522b\u5f0f\u7279\u5f81\u3002<\/p>\n<p>\u800c\u8c22\u8d5b\u5b81\u6307\u5bfc\u7684\u8fd9\u4e2a\u56e2\u961f\u53d1\u73b0\uff08\u53e6\u4e00\u4f4d\u6307\u5bfc\u8005\u662f KAIST \u7684 Jinwoo Shin\uff09\uff0c\u8bad\u7ec3\u6269\u6563\u6a21\u578b\u7684\u4e3b\u8981\u6311\u6218\u6e90\u4e8e\u9700\u8981\u5b66\u4e60\u9ad8\u8d28\u91cf\u7684\u5185\u90e8\u8868\u5f81\u3002\u4ed6\u4eec\u7684\u7814\u7a76\u8868\u660e\uff1a\u300c\u5f53\u751f\u6210\u5f0f\u6269\u6563\u6a21\u578b\u5f97\u5230\u6765\u81ea\u53e6\u4e00\u4e2a\u6a21\u578b\uff08\u4f8b\u5982\u81ea\u76d1\u7763\u89c6\u89c9\u7f16\u7801\u5668\uff09\u7684\u5916\u90e8\u9ad8\u8d28\u91cf\u8868\u5f81\u7684\u652f\u6301\u65f6\uff0c\u5176\u6027\u80fd\u53ef\u4ee5\u5f97\u5230\u5927\u5e45\u63d0\u5347\u3002\u300d<\/p>\n<p>REPresentation Alignment\uff08REPA\uff09\uff0c\u5373\u8868\u5f81\u5bf9\u9f50\u6280\u672f\uff0c\u4fbf\u57fa\u4e8e\u6b64\u800c\u8bde\u751f\u4e86\u3002\u8fd9\u662f\u4e00\u4e2a\u57fa\u4e8e\u8fd1\u671f\u7684\u6269\u6563 Transformer\uff08DiT\uff09\u67b6\u6784\u7684\u7b80\u5355\u6b63\u5219\u5316\u6280\u672f\u3002<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-2e3ef33698b7c5dd6db1aedd8d586933.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-2e3ef33698b7c5dd6db1aedd8d586933.png\"><\/a><\/p>\n<ul>\n<li>\n<p>\u8bba\u6587\u6807\u9898\uff1aRepresentation Alignment for Generation: Training Diffusion Transformers Is Easier Than You Think<\/p>\n<\/li>\n<li>\n<p>\u8bba\u6587\u5730\u5740\uff1ahttps:\/\/arxiv.org\/pdf\/2410.06940<\/p>\n<\/li>\n<li>\n<p>\u9879\u76ee\u5730\u5740\uff1ahttps:\/\/sihyun.me\/REPA\/<\/p>\n<\/li>\n<li>\n<p>\u4ee3\u7801\u5730\u5740\uff1ahttps:\/\/github.com\/sihyun-yu\/REPA<\/p>\n<\/li>\n<\/ul>\n<p>\u672c\u8d28\u4e0a\u8bb2\uff0cREPA \u5c31\u662f\u5c06\u4e00\u5f20\u6e05\u6670\u56fe\u50cf\u7684\u9884\u8bad\u7ec3\u81ea\u76d1\u7763\u89c6\u89c9\u8868\u5f81\u84b8\u998f\u6210\u4e00\u4e2a\u6709\u566a\u58f0\u8f93\u5165\u7684\u6269\u5c55 Transformer \u8868\u5f81\u3002\u8fd9\u79cd\u6b63\u5219\u5316\u53ef\u4ee5\u66f4\u597d\u5730\u5c06\u6269\u5c55\u6a21\u578b\u8868\u5f81\u4e0e\u76ee\u6807\u81ea\u76d1\u7763\u8868\u5f81\u5bf9\u9f50\u3002<\/p>\n<p>\u65b9\u6cd5\u770b\u8d77\u6765\u5f88\u7b80\u5355\uff0c\u4f46 REPA \u7684\u6548\u679c\u5374\u5f88\u597d\uff01\u636e\u4ecb\u7ecd\uff0cREPA \u80fd\u5927\u5e45\u63d0\u5347\u6a21\u578b\u8bad\u7ec3\u7684\u6548\u7387\u548c\u6548\u679c\u3002\u76f8\u6bd4\u4e8e\u539f\u751f\u6a21\u578b\uff0cREPA \u80fd\u5c06\u6536\u655b\u901f\u5ea6\u63d0\u5347 17.5 \u500d\u4ee5\u4e0a\u3002\u5728\u751f\u6210\u8d28\u91cf\u65b9\u9762\uff0c\u5728\u4f7f\u7528\u5e26\u5f15\u5bfc\u95f4\u9694\uff08guidance interval\uff09\u7684\u65e0\u5206\u7c7b\u5668\u5f15\u5bfc\u65f6\uff0c\u65b0\u65b9\u6cd5\u53d6\u5f97\u4e86 FID=1.42 \u7684\u5f53\u524d\u6700\u4f73\u7ed3\u679c\u3002<\/p>\n<p><strong>REPA\uff1a\u7528\u4e8e\u8868\u5f81\u5bf9\u9f50\u7684\u6b63\u5219\u5316<\/strong><\/p>\n<p>REPresentation Alignment\uff08REPA\uff09\u662f\u4e00\u79cd\u7b80\u5355\u7684\u6b63\u5219\u5316\u65b9\u6cd5\uff0c\u5176\u4f7f\u7528\u4e86\u8fd1\u671f\u7684\u6269\u5c55 Transformer \u67b6\u6784\u3002\u7b80\u5355\u6765\u8bf4\uff0c\u8be5\u6280\u672f\u5c31\u662f\u4e00\u79cd\u5c06\u9884\u8bad\u7ec3\u7684\u81ea\u76d1\u7763\u89c6\u89c9\u8868\u5f81\u84b8\u998f\u5230\u6269\u5c55 Transformer \u7684\u7b80\u5355\u53c8\u6709\u6548\u7684\u65b9\u6cd5\u3002\u8fd9\u8ba9\u6269\u6563\u6a21\u578b\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u8bed\u4e49\u4e30\u5bcc\u7684\u5916\u90e8\u8868\u5f81\u8fdb\u884c\u751f\u6210\uff0c\u4ece\u800c\u5927\u5e45\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-dc3d4f5cfa0cf3ba23d3cde6f8aa4220.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-dc3d4f5cfa0cf3ba23d3cde6f8aa4220.png\"><\/a><\/p>\n<p><strong>\u89c2\u5bdf<\/strong><\/p>\n<p>REPA \u7684\u8bde\u751f\u57fa\u4e8e\u8be5\u56e2\u961f\u5f97\u5230\u7684\u51e0\u9879\u91cd\u8981\u89c2\u5bdf\u3002<\/p>\n<p>\u4ed6\u4eec\u7814\u7a76\u4e86\u5728 ImageNet \u4e0a\u9884\u8bad\u7ec3\u5f97\u5230\u7684 SiT\uff08\u53ef\u6269\u5c55\u63d2\u503c Transformer\uff09\u6a21\u578b\u7684\u9010\u5c42\u884c\u4e3a\uff0c\u8be5\u6a21\u578b\u4f7f\u7528\u4e86\u7ebf\u6027\u63d2\u503c\u548c\u901f\u5ea6\u9884\u6d4b\uff08velocity prediction\uff09\u8fdb\u884c\u8bad\u7ec3\u3002\u4ed6\u4eec\u7814\u7a76\u7684\u91cd\u70b9\u662f\u6269\u6563 Transformer \u548c\u5f53\u524d\u9886\u5148\u7684\u76d1\u7763\u5f0f DINOv2 \u6a21\u578b\u4e4b\u95f4\u7684\u8868\u5f81\u5dee\u8ddd\u3002\u4ed6\u4eec\u4ece\u4e09\u4e2a\u89d2\u5ea6\u8fdb\u884c\u4e86\u7814\u7a76\uff1a\u8bed\u4e49\u5dee\u8ddd\u3001\u7279\u5f81\u5bf9\u9f50\u8fdb\u5c55\u4ee5\u53ca\u6700\u7ec8\u7684\u7279\u5f81\u5bf9\u9f50\u3002<\/p>\n<p>\u5bf9\u4e8e\u8bed\u4e49\u5dee\u8ddd\uff0c\u4ed6\u4eec\u6bd4\u8f83\u4e86\u4f7f\u7528 DINOv2 \u7279\u5f81\u7684\u7ebf\u6027\u63a2\u6d4b\u7ed3\u679c\u4e0e\u6765\u81ea SiT \u6a21\u578b\uff08\u8bad\u7ec3\u4e86 700 \u4e07\u6b21\u8fed\u4ee3\uff09\u7684\u7ebf\u6027\u63a2\u6d4b\u7ed3\u679c\uff0c\u91c7\u7528\u7684\u534f\u8bae\u6d89\u53ca\u5230\u5bf9\u6269\u6563 Transformer \u7684\u5168\u5c40\u6c60\u5316\u7684\u9690\u85cf\u72b6\u6001\u8fdb\u884c\u7ebf\u6027\u63a2\u6d4b\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u4e3a\u4e86\u6d4b\u91cf\u7279\u5f81\u5bf9\u9f50\uff0c\u4ed6\u4eec\u4f7f\u7528\u4e86 CKNNA\uff1b\u8fd9\u662f\u4e00\u79cd\u4e0e CKA \u76f8\u5173\u7684\u6838\u5bf9\u9f50\uff08kernel alignment\uff09\u6307\u6807\uff0c\u4f46\u5374\u662f\u57fa\u4e8e\u76f8\u4e92\u6700\u8fd1\u90bb\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u4fbf\u80fd\u4ee5\u91cf\u5316\u65b9\u5f0f\u8bc4\u4f30\u5bf9\u9f50\u6548\u679c\u4e86\u3002\u56fe 2 \u603b\u7ed3\u4e86\u5176\u7ed3\u679c\u3002<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-5ca89e6770c355555ccc8285b131cc2d.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-5ca89e6770c355555ccc8285b131cc2d.png\"><\/a><\/p>\n<p><strong>\u6269\u6563 Transformer \u4e0e\u5148\u8fdb\u89c6\u89c9\u7f16\u7801\u5668\u4e4b\u95f4\u7684\u8bed\u4e49\u5dee\u8ddd\u660e\u663e\u3002<\/strong>\u5982\u56fe 2a \u6240\u793a\uff0c\u53ef\u4ee5\u89c2\u5bdf\u5230\uff0c\u9884\u8bad\u7ec3\u6269\u6563 Transformer \u7684\u9690\u85cf\u72b6\u6001\u8868\u5f81\u5728\u7b2c 20 \u5c42\u80fd\u5f97\u5230\u76f8\u5f53\u9ad8\u7684\u7ebf\u6027\u63a2\u6d4b\u5cf0\u503c\u3002\u4f46\u662f\uff0c\u5176\u6027\u80fd\u4ecd\u8fdc\u4f4e\u4e8e DINOv2\uff0c\u8868\u660e\u8fd9\u4e24\u79cd\u8868\u5f81\u4e4b\u95f4\u5b58\u5728\u76f8\u5f53\u5927\u7684\u8bed\u4e49\u5dee\u8ddd\u3002\u6b64\u5916\uff0c\u4ed6\u4eec\u8fd8\u53d1\u73b0\uff0c\u5728\u6b64\u5cf0\u503c\u4e4b\u540e\uff0c\u7ebf\u6027\u63a2\u6d4b\u6027\u80fd\u4f1a\u8fc5\u901f\u4e0b\u964d\uff0c\u8fd9\u8868\u660e\u6269\u6563 Transformer \u5fc5\u5b9a\u4ece\u91cd\u70b9\u5b66\u4e60\u8bed\u4e49\u4e30\u5bcc\u7684\u8868\u5f81\u8f6c\u5411\u4e86\u751f\u6210\u5177\u6709\u9ad8\u9891\u7ec6\u8282\u7684\u56fe\u50cf\u3002<\/p>\n<p><strong>\u6269\u6563\u8868\u5f81\u5df2\u7ecf\u4e0e\u5176\u5b83\u89c6\u89c9\u8868\u5f81\uff08\u7ec6\u5fae\u5730\uff09\u5bf9\u9f50\u4e86\u3002<\/strong>\u56fe 2b \u4f7f\u7528 CKNNA \u5c55\u793a\u4e86 SiT \u4e0e DINOv2 \u4e4b\u95f4\u7684\u8868\u5f81\u5bf9\u9f50\u60c5\u51b5\u3002\u53ef\u4ee5\u770b\u5230\uff0cSiT \u6a21\u578b\u8868\u5f81\u7684\u5bf9\u9f50\u5df2\u7ecf\u4f18\u4e8e MAE\uff0c\u800c\u540e\u8005\u4e5f\u662f\u4e00\u79cd\u57fa\u4e8e\u63a9\u7801\u56fe\u5757\u91cd\u5efa\u7684\u81ea\u76d1\u7763\u5b66\u4e60\u65b9\u6cd5\u3002\u4f46\u662f\uff0c\u76f8\u6bd4\u4e8e\u5176\u5b83\u81ea\u76d1\u7763\u5b66\u4e60\u65b9\u6cd5\u4e4b\u95f4\u7684\u5bf9\u9f50\u5206\u6570\uff0c\u5176\u7edd\u5bf9\u5bf9\u9f50\u5206\u6570\u4f9d\u7136\u8f83\u4f4e\u3002\u8fd9\u4e9b\u7ed3\u679c\u8868\u660e\uff0c\u5c3d\u7ba1\u6269\u6563 Transformer \u8868\u5f81\u4e0e\u81ea\u76d1\u7763\u89c6\u89c9\u8868\u5f81\u5b58\u5728\u4e00\u5b9a\u7684\u5bf9\u9f50\uff0c\u4f46\u5bf9\u9f50\u7a0b\u5ea6\u4e0d\u9ad8\u3002<\/p>\n<p><strong>\u5f53\u6a21\u578b\u589e\u5927\u3001\u8bad\u7ec3\u53d8\u591a\u65f6\uff0c\u5bf9\u9f50\u6548\u679c\u4f1a\u66f4\u597d\u3002<\/strong>\u8be5\u56e2\u961f\u8fd8\u6d4b\u91cf\u4e86\u4e0d\u540c\u6a21\u578b\u5927\u5c0f\u548c\u8bad\u7ec3\u8fed\u4ee3\u6b21\u6570\u7684 CKNNA \u503c\u3002\u56fe 2c \u8868\u660e\u66f4\u5927\u6a21\u578b\u548c\u66f4\u591a\u8bad\u7ec3\u6709\u52a9\u4e8e\u5bf9\u9f50\u3002\u540c\u6837\u5730\uff0c\u76f8\u6bd4\u4e8e\u5176\u5b83\u81ea\u76d1\u7763\u89c6\u89c9\u7f16\u7801\u5668\u4e4b\u95f4\u7684\u5bf9\u9f50\uff0c\u6269\u6563\u8868\u5f81\u7684\u7edd\u5bf9\u5bf9\u9f50\u5206\u6570\u4f9d\u7136\u8f83\u4f4e\u3002<\/p>\n<p>\u8fd9\u4e9b\u53d1\u73b0\u5e76\u975e SiT \u6a21\u578b\u6240\u72ec\u6709\uff0c\u5176\u5b83\u57fa\u4e8e\u53bb\u566a\u7684\u751f\u6210\u5f0f Transformer \u4e5f\u80fd\u89c2\u5bdf\u5230\u3002\u8be5\u56e2\u961f\u4e5f\u5728 DiT \u6a21\u578b\u4e0a\u89c2\u5bdf\u5230\u4e86\u7c7b\u4f3c\u7684\u7ed3\u679c \u2014\u2014 \u5176\u4f7f\u7528 DDPM \u76ee\u6807\u5728 ImageNet \u4e0a\u5b8c\u6210\u4e86\u9884\u8bad\u7ec3\u3002<\/p>\n<p><strong>\u4e0e\u81ea\u76d1\u7763\u8868\u5f81\u7684\u8868\u5f81\u5bf9\u9f50<\/strong><\/p>\n<p>REPA \u5c06\u6a21\u578b\u9690\u85cf\u72b6\u6001\u7684 patch-wise \u6295\u5f71\u4e0e\u9884\u8bad\u7ec3\u81ea\u76d1\u7763\u89c6\u89c9\u8868\u5f81\u5bf9\u9f50\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u8be5\u7814\u7a76\u4f7f\u7528\u5e72\u51c0\u7684\uff08clean\uff09\u56fe\u50cf\u8868\u5f81\u4f5c\u4e3a\u76ee\u6807\u5e76\u63a2\u8ba8\u5176\u5f71\u54cd\u3002\u8fd9\u79cd\u6b63\u5219\u5316\u7684\u76ee\u7684\u662f\u8ba9\u6269\u6563 transformer \u7684\u9690\u85cf\u72b6\u6001\u4ece\u5305\u542b\u6709\u7528\u8bed\u4e49\u4fe1\u606f\u7684\u566a\u58f0\u8f93\u5165\u4e2d\u9884\u6d4b\u566a\u58f0\u4e0d\u53d8\u3001\u5e72\u51c0\u7684\u89c6\u89c9\u8868\u5f81\u3002\u8fd9\u80fd\u4e3a\u540e\u7eed\u5c42\u91cd\u5efa\u76ee\u6807\u63d0\u4f9b\u6709\u610f\u4e49\u7684\u5f15\u5bfc\u3002<\/p>\n<p>\u5f62\u5f0f\u4e0a\uff0c\u4ee4 \ud835\udc53 \u4e3a\u9884\u8bad\u7ec3\u7f16\u7801\u5668\uff0cx* \u4e3a\u5e72\u51c0\u56fe\u50cf\u3002\u4ee4 y*=\ud835\udc53(x*) \u2208 \u211d^{N\u00d7D} \u4e3a\u7f16\u7801\u5668\u8f93\u51fa\uff0c\u5176\u4e2d N\u3001D &gt; 0 \u5206\u522b\u662f patch \u7684\u6570\u91cf\u548c \ud835\udc53 \u7684\u5d4c\u5165\u7ef4\u5ea6\u3002<\/p>\n<p>REPA \u662f\u5c06<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-bc3629aeb7252f4745af7276962942ec.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-bc3629aeb7252f4745af7276962942ec.png\"><\/a>\u4e0e y* \u5bf9\u9f50\uff0c\u5176\u4e2d<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-17c06257bca565f3d3f13884c6c892a6.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-17c06257bca565f3d3f13884c6c892a6.png\"><\/a>\u662f\u6269\u6563 transformer \u7f16\u7801\u5668\u8f93\u51fa<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-6c70f924c61005cee1f3da6c7251631c.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-6c70f924c61005cee1f3da6c7251631c.png\"><\/a>\u901a\u8fc7\u53ef\u8bad\u7ec3\u6295\u5f71\u5934 h_\u03d5 \u5f97\u5230\u7684\u6295\u5f71\u3002\u5b9e\u8df5\u4e2d h_\u03d5 \u7684\u53c2\u6570\u5316\u662f\u7b80\u5355\u5730\u4f7f\u7528\u591a\u5c42\u611f\u77e5\u5668\uff08MLP\uff09\u5b8c\u6210\u7684\u3002<\/p>\n<p>\u7279\u522b\u5730\uff0cREPA \u901a\u8fc7\u6700\u5927\u5316\u9884\u8bad\u7ec3\u8868\u5f81 y* \u548c\u9690\u85cf\u72b6\u6001 h_t \u4e4b\u95f4\u7684 patch-wise \u76f8\u4f3c\u6027\u6765\u5b9e\u73b0\u5bf9\u9f50\uff0c\u5176\u4e2d n \u662f patch \u7d22\u5f15\uff0csim (\u30fb,\u30fb) \u662f\u9884\u5b9a\u4e49\u7684\u76f8\u4f3c\u5ea6\u51fd\u6570\u3002<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-ae01cb8f8e6424cc20bcf705c4b77441.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-ae01cb8f8e6424cc20bcf705c4b77441.png\"><\/a><\/p>\n<p>\u5728\u5b9e\u8df5\u4e2d\uff0c\u662f\u57fa\u4e8e\u4e00\u4e2a\u7cfb\u6570 \u03bb \u5c06\u8be5\u9879\u6dfb\u52a0\u5230\u57fa\u4e8e\u6269\u6563\u7684\u539f\u59cb\u76ee\u6807\u4e2d\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u901f\u5ea6\u6a21\u578b\u7684\u8bad\u7ec3\uff0c\u5176\u76ee\u6807\u53d8\u4e3a\uff1a<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-4025bb4b005f6a2707eee6fd06d27b73.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-4025bb4b005f6a2707eee6fd06d27b73.png\"><\/a><\/p>\n<p>\u5176\u4e2d \u03bb &gt; 0 \u662f\u4e00\u4e2a\u8d85\u53c2\u6570\uff0c\u7528\u4e8e\u63a7\u5236\u53bb\u566a\u548c\u8868\u793a\u5bf9\u9f50\u4e4b\u95f4\u7684\u6743\u8861\u3002\u8be5\u56e2\u961f\u4e3b\u8981\u7814\u7a76\u8fd9\u79cd\u6b63\u5219\u5316\u5bf9\u4e24\u4e2a\u5e38\u7528\u76ee\u6807\u7684\u5f71\u54cd\uff1aDiT \u4e2d\u4f7f\u7528\u7684\u6539\u8fdb\u7248 DDPM \u548c SiT \u4e2d\u4f7f\u7528\u7684\u7ebf\u6027\u968f\u673a\u63d2\u503c\uff0c\u5c3d\u7ba1\u4e5f\u53ef\u4ee5\u8003\u8651\u5176\u4ed6\u76ee\u6807\u3002<\/p>\n<section><strong>\u7ed3\u679c<\/strong><\/section>\n<section><\/section>\n<section><strong>REPA \u6539\u5584\u89c6\u89c9\u6269\u5c55<\/strong><\/section>\n<section><\/section>\n<section>\u8be5\u7814\u7a76\u9996\u5148\u6bd4\u8f83\u4e24\u4e2a SiT-XL\/2 \u6a21\u578b\u5728\u524d 400K \u6b21\u8fed\u4ee3\u671f\u95f4\u751f\u6210\u7684\u56fe\u50cf\uff0c\u5176\u4e2d\u4e00\u4e2a\u6a21\u578b\u5e94\u7528 REPA\u3002\u4e24\u79cd\u6a21\u578b\u5171\u4eab\u76f8\u540c\u7684\u566a\u58f0\u3001\u91c7\u6837\u5668\u548c\u91c7\u6837\u6b65\u9aa4\u6570\uff0c\u5e76\u4e14\u90fd\u4e0d\u4f7f\u7528\u65e0\u5206\u7c7b\u5668\u5f15\u5bfc\u3002\u4f7f\u7528 REPA \u8bad\u7ec3\u7684\u6a21\u578b\u8868\u73b0\u66f4\u597d\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-1fe8edc49854d7ec091797e209a53b25.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-1fe8edc49854d7ec091797e209a53b25.png\"><\/a><\/section>\n<section><strong>REPA \u5728\u5404\u4e2a\u65b9\u9762\u90fd\u5c55\u73b0\u51fa\u5f3a\u5927\u7684\u53ef\u6269\u5c55\u6027<\/strong><\/section>\n<section><\/section>\n<section>\u8be5\u7814\u7a76\u901a\u8fc7\u6539\u53d8\u9884\u8bad\u7ec3\u7f16\u7801\u5668\u548c\u6269\u6563 transformer \u6a21\u578b\u5927\u5c0f\u6765\u68c0\u67e5 REPA \u7684\u53ef\u6269\u5c55\u6027\uff0c\u7ed3\u679c\u8868\u660e\uff1a\u4e0e\u66f4\u597d\u7684\u89c6\u89c9\u8868\u5f81\u76f8\u7ed3\u5408\u53ef\u4ee5\u6539\u5584\u751f\u6210\u548c\u7ebf\u6027\u63a2\u6d4b\u7ed3\u679c\u3002\u00a0<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-81378af91fc717463246148b51c41b38.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-81378af91fc717463246148b51c41b38.png\"><\/a><\/section>\n<section>REPA \u8fd8\u5728\u5927\u578b\u6a21\u578b\u4e2d\u63d0\u4f9b\u4e86\u66f4\u663e\u8457\u7684\u52a0\u901f\uff0c\u4e0e\u666e\u901a\u6a21\u578b\u76f8\u6bd4\uff0c\u5b9e\u73b0\u4e86\u66f4\u5feb\u7684 FID-50K \u6539\u8fdb\u3002\u6b64\u5916\uff0c\u589e\u52a0\u6a21\u578b\u5927\u5c0f\u53ef\u4ee5\u5728\u751f\u6210\u548c\u7ebf\u6027\u8bc4\u4f30\u65b9\u9762\u5e26\u6765\u66f4\u5feb\u7684\u589e\u76ca\u3002<\/section>\n<section><\/section>\n<section><strong>REPA \u663e\u8457\u63d0\u9ad8\u8bad\u7ec3\u6548\u7387\u548c\u751f\u6210\u8d28\u91cf<\/strong><\/section>\n<section><\/section>\n<section>\u6700\u540e\uff0c\u8be5\u7814\u7a76\u6bd4\u8f83\u4e86\u666e\u901a DiT \u6216 SiT \u6a21\u578b\u4e0e\u4f7f\u7528 REPA \u8bad\u7ec3\u7684\u6a21\u578b\u7684 FID \u503c\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-6481327888794eff2c9f81ab6963ceb9.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/10\/frc-6481327888794eff2c9f81ab6963ceb9.png\"><\/a><\/section>\n<section>\u5728\u6ca1\u6709\u65e0\u5206\u7c7b\u5668\u5f15\u5bfc\u7684\u60c5\u51b5\u4e0b\uff0cREPA \u5728 400K \u6b21\u8fed\u4ee3\u65f6\u5b9e\u73b0\u4e86 FID=7.9\uff0c\u4f18\u4e8e\u666e\u901a\u6a21\u578b\u5728 700 \u4e07\u6b21\u8fed\u4ee3\u65f6\u7684\u6027\u80fd\u3002<\/section>\n<section><\/section>\n<section>\u4f7f\u7528\u65e0\u5206\u7c7b\u5668\u5f15\u5bfc\uff0c\u5e26\u6709 REPA \u7684 SiT-XL\/2 \u7684\u6027\u80fd\u4f18\u4e8e\u6700\u65b0\u7684\u6269\u6563\u6a21\u578b\uff0c\u8fed\u4ee3\u6b21\u6570\u51cf\u5c11\u4e3a 1\/7\uff0c\u5e76\u901a\u8fc7\u989d\u5916\u7684\u5f15\u5bfc\u8c03\u5ea6\u5b9e\u73b0\u4e86 SOTA FID=1.42\u3002<\/section>\n<section><\/section>\n<section>\u8be5\u56e2\u961f\u4e5f\u6267\u884c\u4e86\u6d88\u878d\u7814\u7a76\uff0c\u63a2\u7d22\u4e86\u4e0d\u540c\u65f6\u95f4\u6b65\u6570\u3001\u4e0d\u540c\u89c6\u89c9\u7f16\u7801\u5668\u548c\u4e0d\u540c \u03bb \u503c\uff08\u6b63\u5219\u5316\u7cfb\u6570\uff09\u7684\u5f71\u54cd\u3002\u8be6\u89c1\u539f\u8bba\u6587\u3002<\/section>\n<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u4e92\u8054\u7f51:<a href=\"https:\/\/www.jiqizhixin.com\/articles\/2024-10-14-6\" 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