{"id":11789,"date":"2026-09-01T22:56:49","date_gmt":"2026-09-01T14:56:49","guid":{"rendered":"https:\/\/infernews.com\/blog\/keep-or-drop-adaptive-tokenizer-for-compact-video-representation\/"},"modified":"2026-09-01T22:57:39","modified_gmt":"2026-09-01T14:57:39","slug":"keep-or-drop-adaptive-tokenizer-for-compact-video-representation","status":"publish","type":"post","link":"https:\/\/infernews.com\/blog\/keep-or-drop-adaptive-tokenizer-for-compact-video-representation\/","title":{"rendered":"KATok \u6559\u5f71\u7247 VAE \u81ea\u5df1\u4e1f Token \u6e1b\u904b\u7b97\u91cf"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/infernews.com\/blog\/wp-content\/uploads\/2026\/09\/pasted-a579247d073c.jpg\" alt=\"Repository image for kakao\/KATok\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">KATok \u8655\u7406\u5605\u4fc2\u5f71\u7247\u751f\u6210\u5165\u9762\u4e00\u500b\u5e38\u898b\u4f46\u5c11\u6709\u4eba\u62c6\u958b\u569f\u89e3\u6c7a\u5605\u554f\u984c\uff1a\u50b3\u7d71\u5f71\u7247 VAE \u7528\u56fa\u5b9a\u58d3\u7e2e\u6bd4\uff0c\u7121\u8ad6\u4fc2\u4e00\u5f35\u5e7e\u4e4e\u5514\u90c1\u5605\u5b9a\u93e1\uff0c\u6216\u8005\u4e3b\u9ad4\u5feb\u901f\u79fb\u52d5\u5605\u5834\u9762\uff0c\u6bcf\u6bb5\u90fd\u6703\u88ab\u5207\u6210\u540c\u4e00\u500b token \u6578\u3002\u5462\u7a2e\u505a\u6cd5\u55ba\u975c\u614b\u7247\u6bb5\u4e0a\u660e\u986f\u6d6a\u8cbb\u983b\u5bec\uff0c\u4ee4\u64f4\u6563\u6a21\u578b\u8981\u505a\u597d\u591a\u7121\u610f\u7fa9\u5605\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f62\u5605\u505a\u6cd5\u4fc2\u55ba transformer VAE \u5605 latent bottleneck \u52a0\u4e00\u500b\u53ef\u5b78\u7fd2\u5605 keep-or-drop \u6c7a\u7b56\uff0c\u5c0d\u6bcf\u500b token \u4f30\u8a08\u8981\u5514\u8981\u4fdd\u7559\uff0c\u4ef2\u6703\u4e00\u9f4a\u5b78 latent \u8868\u793a\u3002\u906e\u7f69\u540c\u6642\u63a7\u5236 latent \u503c\u540c decoder \u5605\u6ce8\u610f\u529b\uff0cdecoder \u7528 coarse-to-fine \u7d50\u69cb\u7531\u7a00\u758f token \u91cd\u5efa\u7d30\u7bc0\uff0c\u56e0\u6b64 token \u6578\u8b8a\u6210\u5167\u5bb9\u5605\u7d50\u679c\uff0c\u800c\u5514\u4fc2\u9810\u8a2d\u53c3\u6578\uff0c\u4ea6\u5514\u9700\u8981\u63a8\u7406\u6642\u641c\u7d22\u3002<\/p>\n\n\n<div\n    \tclass=\"align wp-block-vpb-video\"    id='vpbpVideoPlayer-1'\n    data-attributes='{&quot;source&quot;:&quot;https:\\\/\\\/kakao.github.io\\\/KATok\\\/static\\\/all_clips_512_96.mp4&quot;,&quot;repeat&quot;:true,&quot;autoplay&quot;:true,&quot;muted&quot;:true,&quot;align&quot;:&quot;&quot;,&quot;poster&quot;:&quot;&quot;,&quot;controls&quot;:{&quot;play-large&quot;:true,&quot;restart&quot;:false,&quot;rewind&quot;:true,&quot;play&quot;:true,&quot;fast-forward&quot;:true,&quot;progress&quot;:true,&quot;current-time&quot;:true,&quot;duration&quot;:false,&quot;mute&quot;:true,&quot;volume&quot;:true,&quot;pip&quot;:false,&quot;airplay&quot;:false,&quot;captions&quot;:false,&quot;settings&quot;:true,&quot;download&quot;:false,&quot;fullscreen&quot;:true},&quot;captions&quot;:[],&quot;ratio&quot;:&quot;16:9&quot;,&quot;accentColor&quot;:&quot;&quot;,&quot;lazyLoad&quot;:false,&quot;width&quot;:&quot;100%&quot;,&quot;radius&quot;:&quot;0px&quot;,&quot;resetOnEnd&quot;:false,&quot;autoHideControl&quot;:true,&quot;isSetup&quot;:false}'\n><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u55ba Panda-70M 256\u00b2\u00d716 \u8a2d\u5b9a\u4e0b\uff0c\u5e73\u5747 366 \u500b token \u5c31\u53ef\u4ee5\u9054\u5230 31.24 PSNR \u540c 5.12 rFVD\uff1b\u55ba UCF-101 \u5605\u7a00\u758f\u751f\u6210\u5be6\u9a57\u4e2d\u9054\u5230 61.53 gFVD\uff0c\u6bd4 dense transformer tokenizer \u8a13\u7df4\u5feb 6.9 \u500d\u3002\u4ee3\u50f9\u4fc2\u7576 token \u88ab\u4e1f\u68c4\u5f8c\u7a7a\u9593\u4f48\u5c40\u6703\u88ab\u6253\u4e82\uff0c\u6240\u4ee5\u4f62\u54cb\u4ef2\u8a2d\u8a08\u5497 cascaded mask prior \u540c joint content\u2013position \u8b8a\u9ad4\uff0c\u5e6b\u4e0b\u6e38\u64f4\u6563\u6a21\u578b\u88dc\u8fd4\u7d50\u69cb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u503c\u5f97\u7559\u610f\u5605\u91cd\u9ede\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u81ea\u9069\u61c9 token \u5316\uff0c\u5167\u5bb9\u6c7a\u5b9a token \u6578\uff0c\u7121\u9700\u63a8\u7406\u6642\u641c\u7d22\u6216\u4eba\u624b\u8abf\u53c3<\/li>\n\n\n\n<li>\u55ba Panda-70M \u7528 366 \u500b token \u9054\u5230 31.24 PSNR \/ 5.12 rFVD<\/li>\n\n\n\n<li>UCF-101 \u7a00\u758f\u751f\u6210\u5feb 6.9 \u500d\u8a13\u7df4\u901f\u5ea6\uff0c\u8cea\u7d20\u9054 61.53 gFVD<\/li>\n\n\n\n<li>\u63d0\u4f9b inference code \u540c\u6b0a\u91cd\uff08\u4ecd\u5728\u5167\u90e8\u5be9\u6838\uff09\uff0c\u8a13\u7df4\u78bc\u66ab\u672a\u958b\u6e90<\/li>\n\n\n\n<li>\u76f4\u63a5\u7528 PyTorch SDPA \u5373\u53ef\u884c\uff0c\u5b89\u88dd\u7c21\u55ae<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u5605\u5718\u968a\u9700\u8981\u8655\u7406\u5927\u91cf\u5197\u9918\u5605\u5f71\u7247\u7247\u6bb5\uff0c\u53c8\u60f3\u6173\u904b\u7b97\u91cf\u7540\u4e0b\u6e38\u751f\u6210\u6a21\u578b\uff0c\u5462\u7a2e\u7531\u5167\u5bb9\u6c7a\u5b9a token \u6578\u5605\u505a\u6cd5\u6bd4\u8d77\u55ae\u7d14\u58d3\u89e3\u50cf\u5ea6\u66f4\u8cbc\u8fd1\u554f\u984c\u672c\u8cea\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/kakao.github.io\/KATok\/\" rel=\"noopener noreferrer\"><strong>\u9805\u76ee\u4e3b\u9801<\/strong><\/a> \u00b7 <a href=\"https:\/\/github.com\/kakao\/KATok\" rel=\"noopener noreferrer\"><strong>GitHub<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kakao \u958b\u6e90 KATok\uff0c\u4e00\u500b\u6703\u6839\u64da\u5167\u5bb9\u81ea\u52d5\u6c7a\u5b9a\u4fdd\u7559\u591a\u5c11 token \u7684\u5f71\u7247 VAE\uff0c\u975c\u614b\u756b\u9762\u7528\u5f97\u5c11\uff0c\u52d5\u614b\u5834\u666f\u7559\u5f97\u591a\uff0c\u7701\u4e0b\u7684\u7b97\u529b\u76f4\u63a5\u4ea4\u7d66\u4e0b\u6e38\u64f4\u6563\u6a21\u578b\u3002<\/p>\n","protected":false},"author":8,"featured_media":11788,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"wpai_generated_summary":"","footnotes":""},"categories":[133,30,138],"tags":[],"class_list":["post-11789","post","type-post","status-publish","format-standard","hentry","category-133","category-image","category-138"],"_links":{"self":[{"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/posts\/11789","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/comments?post=11789"}],"version-history":[{"count":1,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/posts\/11789\/revisions"}],"predecessor-version":[{"id":11791,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/posts\/11789\/revisions\/11791"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/media\/11788"}],"wp:attachment":[{"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/media?parent=11789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/categories?post=11789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/tags?post=11789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}