{"id":3108,"date":"2026-01-25T20:33:40","date_gmt":"2026-01-25T20:33:40","guid":{"rendered":"https:\/\/umaax.com\/shenmeshishipinkuosanmoxingvideodiffusionmodelsvdmaibaikezhi\/"},"modified":"2026-01-25T20:33:40","modified_gmt":"2026-01-25T20:33:40","slug":"shenmeshishipinkuosanmoxingvideodiffusionmodelsvdmaibaikezhi","status":"publish","type":"post","link":"https:\/\/umaax.com\/en\/shenmeshishipinkuosanmoxingvideodiffusionmodelsvdmaibaikezhi\/","title":{"rendered":"\u4ec0\u4e48\u662f\u89c6\u9891\u6269\u6563\u6a21\u578b\uff08Video Diffusion Models, VDM\uff09 \u2013 AI\u767e\u79d1\u77e5\u8bc6"},"content":{"rendered":"<p>\u89c6\u9891\u6269\u6563\u6a21\u578b\uff08Video Diffusion Models, VDM\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u89c6\u9891\u751f\u6210\u7684\u6269\u6563\u6a21\u578b\uff0c\u5728\u751f\u6210\u6a21\u578b\u7814\u7a76\u4e2d\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u91cc\u7a0b\u7891\u3002\u8be5\u6a21\u578b\u662f\u6807\u51c6\u56fe\u50cf\u6269\u6563\u67b6\u6784\u7684\u81ea\u7136\u6269\u5c55\uff0c\u5e76\u4e14\u80fd\u591f\u4ece\u56fe\u50cf\u548c\u89c6\u9891\u6570\u636e\u4e2d\u8054\u5408\u8bad\u7ec3\uff0c\u6709\u52a9\u4e8e\u51cf\u5c11\u5c0f\u6279\u91cf\u68af\u5ea6\u7684\u65b9\u5dee\u5e76\u52a0\u5feb\u4f18\u5316\u901f\u5ea6\u3002VDM\u4f7f\u75283D U-Net\u6269\u6563\u6a21\u578b\u67b6\u6784\u6765\u8bad\u7ec3\u751f\u6210\u56fa\u5b9a\u6570\u91cf\u7684\u89c6\u9891\u5e27\uff0c\u901a\u8fc7\u5bf9\u8fd9\u79cd\u6a21\u578b\u8fdb\u884c\u6761\u4ef6\u751f\u6210\u7684\u65b0\u6280\u672f\u6765\u6269\u5c55\u89c6\u9891\u7684\u957f\u5ea6\u548c\u5206\u8fa8\u7387\u3002<\/p>\n<h2>\u4ec0\u4e48\u662f\u89c6\u9891\u6269\u6563\u6a21\u578b<\/h2>\n<p>\u89c6\u9891\u6269\u6563\u6a21\u578b\uff08Video Diffusion Models, VDM\uff09\u662f\u4e00\u79cd\u7ed3\u5408\u4e86\u53d8\u5206\u81ea\u7f16\u7801\u5668\uff08VAE\uff09\u548c\u6269\u6563\u6a21\u578b\u4f18\u52bf\u7684\u751f\u6210\u6a21\u578b\u3002VDM\u7684\u6838\u5fc3\u601d\u60f3\u662f\u5728\u6f5c\u5728\u7a7a\u95f4\u4e2d\u8fdb\u884c\u6269\u6563\u8fc7\u7a0b\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u5728\u9ad8\u7ef4\u6570\u636e\u7a7a\u95f4\u4e2d\u64cd\u4f5c\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0cVDM\u80fd\u591f\u5728\u4fdd\u6301\u6570\u636e\u751f\u6210\u8d28\u91cf\u7684\u540c\u65f6\uff0c\u5927\u5e45\u964d\u4f4e\u8ba1\u7b97\u6210\u672c\u3002<\/p>\n<h2>\u89c6\u9891\u6269\u6563\u6a21\u578b\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>VDM\u901a\u8fc7\u5f15\u5165\u6f5c\u5728\u53d8\u91cfz\uff0c\u5c06\u9ad8\u7ef4\u6570\u636ex\u6620\u5c04\u5230\u4f4e\u7ef4\u6f5c\u5728\u7a7a\u95f4\u3002\u5229\u7528VAE\u7684\u53d8\u5206\u65b9\u6cd5\uff0cVDM\u901a\u8fc7\u7f16\u7801\u5668\u5c06\u6570\u636ex\u8f6c\u6362\u4e3a\u6f5c\u5728\u5411\u91cfz\uff0c\u5e76\u901a\u8fc7\u89e3\u7801\u5668\u5c06\u6f5c\u5728\u5411\u91cfz\u91cd\u5efa\u56de\u6570\u636e\u7a7a\u95f4\u3002\u5728\u6f5c\u5728\u7a7a\u95f4\u4e2d\uff0cVDM\u5b9a\u4e49\u4e86\u4e00\u4e2a\u524d\u5411\u6269\u6563\u8fc7\u7a0b\u548c\u4e00\u4e2a\u53cd\u5411\u6269\u6563\u8fc7\u7a0b\uff1a\u524d\u5411\u6269\u6563\u8fc7\u7a0b\u9010\u6b65\u5411\u6f5c\u5728\u5411\u91cfz0\u6dfb\u52a0\u566a\u58f0\uff0c\u751f\u6210\u5e26\u566a\u58f0\u7684\u6f5c\u5728\u5411\u91cfzt\uff0c\u76f4\u81f3\u5176\u5206\u5e03\u63a5\u8fd1\u6807\u51c6\u6b63\u6001\u5206\u5e03\uff1b\u53cd\u5411\u6269\u6563\u8fc7\u7a0b\u4ece\u6807\u51c6\u6b63\u6001\u5206\u5e03\u4e2d\u91c7\u6837\u521d\u59cb\u566a\u58f0zT\uff0c\u901a\u8fc7\u9006\u5411\u6269\u6563\u8fc7\u7a0b\u9010\u6b65\u53bb\u9664\u566a\u58f0\uff0c\u6062\u590d\u5230\u539f\u59cb\u6f5c\u5728\u5411\u91cfz0\uff0c\u6700\u7ec8\u901a\u8fc7\u89e3\u7801\u5668\u751f\u6210\u6570\u636ex\u3002<\/p>\n<p>VDM\u7684\u8bad\u7ec3\u76ee\u6807\u662f\u6700\u5927\u5316\u6570\u636e\u7684\u5bf9\u6570\u4f3c\u7136logp\u03b8(x)\u3002\u901a\u8fc7\u53d8\u5206\u63a8\u5bfc\uff0c\u635f\u5931\u51fd\u6570\u53ef\u4ee5\u8868\u793a\u4e3a\u5404\u65f6\u95f4\u6b65\u7684KL\u6563\u5ea6\u4e4b\u548c\u3002VDM\u7684\u8bad\u7ec3\u8fc7\u7a0b\u5305\u62ecVAE\u7684\u8bad\u7ec3\u548c\u6269\u6563\u6a21\u578b\u7684\u8bad\u7ec3\uff0c\u91c7\u6837\u8fc7\u7a0b\u5219\u901a\u8fc7\u9006\u5411\u6269\u6563\u9010\u6b65\u751f\u6210\u65b0\u7684\u6f5c\u5728\u5411\u91cf\uff0c\u5e76\u901a\u8fc7\u89e3\u7801\u5668\u751f\u6210\u6700\u7ec8\u6570\u636e\u3002<\/p>\n<h2>\u89c6\u9891\u6269\u6563\u6a21\u578b\u7684\u4e3b\u8981\u5e94\u7528<\/h2>\n<p>\u89c6\u9891\u6269\u6563\u6a21\u578b\uff08Video Diffusion Models, VDM\uff09\u7684\u4e3b\u8981\u5e94\u7528\u9886\u57df\u975e\u5e38\u5e7f\u6cdb\uff0c\u6db5\u76d6\u4e86\u4ece\u89c6\u9891\u751f\u6210\u3001\u89c6\u9891\u7f16\u8f91\u5230\u89c6\u9891\u7406\u89e3\u7b49\u591a\u4e2a\u65b9\u9762:<\/p>\n<ul>\n<li><strong>\u89c6\u9891\u751f\u6210<\/strong>\uff1a\u662fVDM\u6700\u76f4\u63a5\u7684\u5e94\u7528\u4e4b\u4e00\uff0c\u53ef\u4ee5\u5206\u4e3a\u65e0\u6761\u4ef6\u89c6\u9891\u751f\u6210\u548c\u6761\u4ef6\u89c6\u9891\u751f\u6210\u3002<\/li>\n<li><strong>\u89c6\u9891\u7f16\u8f91<\/strong>\uff1a\u662fVDM\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u5e94\u7528\u9886\u57df\uff0c\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u81ea\u7136\u8bed\u8a00\u63cf\u8ff0\u6216\u5176\u4ed6\u6a21\u6001\u7684\u8f93\u5165\u6765\u5f15\u5bfc\u89c6\u9891\u5185\u5bb9\u7684\u7f16\u8f91\u8fc7\u7a0b\u3002<\/li>\n<li><strong>\u89c6\u9891\u7406\u89e3<\/strong>\uff1a\u6d89\u53ca\u5bf9\u89c6\u9891\u5185\u5bb9\u7684\u5206\u6790\u548c\u89e3\u91ca\uff0cVDM\u5728\u8fd9\u4e00\u9886\u57df\u7684\u5e94\u7528\u5305\u62ec\u89c6\u9891\u5206\u7c7b\u3001\u52a8\u4f5c\u8bc6\u522b\u548c\u89c6\u9891\u63cf\u8ff0\u751f\u6210\u7b49\u3002<\/li>\n<li><strong>\u89c6\u9891\u9884\u6d4b<\/strong>\uff1a\u6839\u636e\u89c6\u9891\u7684\u524d\u51e0\u5e27\u9884\u6d4b\u672a\u6765\u7684\u5e27\uff0cVDM\u5728\u8fd9\u4e00\u9886\u57df\u7684\u5e94\u7528\u5305\u62ec\u672a\u6765\u5e27\u9884\u6d4b\u548c\u89c6\u9891\u8865\u5168\u7b49\u3002<\/li>\n<li><strong>\u89c6\u9891\u98ce\u683c\u5316\u548c\u8f6c\u6362<\/strong>\uff1aVDM\u8fd8\u53ef\u4ee5\u7528\u4e8e\u89c6\u9891\u98ce\u683c\u5316\u548c\u8f6c\u6362\uff0c\u5982\u5c06\u666e\u901a\u89c6\u9891\u8f6c\u6362\u4e3a\u5361\u901a\u98ce\u683c\u6216\u6cb9\u753b\u98ce\u683c\u3002<\/li>\n<li><strong>\u89c6\u9891\u6458\u8981\u548c\u5173\u952e\u5e27\u63d0\u53d6<\/strong>\uff1aVDM\u8fd8\u53ef\u4ee5\u7528\u4e8e\u89c6\u9891\u6458\u8981\u548c\u5173\u952e\u5e27\u63d0\u53d6\uff0c\u8fd9\u5bf9\u4e8e\u89c6\u9891\u5185\u5bb9\u7684\u5feb\u901f\u6d4f\u89c8\u548c\u7406\u89e3\u975e\u5e38\u6709\u7528\u3002<\/li>\n<li><strong>\u89c6\u9891\u589e\u5f3a\u548c\u6062\u590d<\/strong>\uff1aVDM\u5728\u89c6\u9891\u589e\u5f3a\u548c\u6062\u590d\u65b9\u9762\u7684\u5e94\u7528\u5305\u62ec\u63d0\u9ad8\u89c6\u9891\u5206\u8fa8\u7387\u3001\u53bb\u9664\u566a\u58f0\u548c\u4fee\u590d\u635f\u574f\u7684\u89c6\u9891\u3002<\/li>\n<\/ul>\n<h2>\u89c6\u9891\u6269\u6563\u6a21\u578b\u9762\u4e34\u7684\u6311\u6218<\/h2>\n<ul>\n<li><strong>\u5927\u89c4\u6a21\u6587\u672c-\u89c6\u9891\u6570\u636e\u96c6\u7684\u6536\u96c6<\/strong>\uff1a\u9ad8\u8d28\u91cf\u7684\u6587\u672c-\u89c6\u9891\u6570\u636e\u96c6\u5bf9\u4e8e\u8bad\u7ec3\u6709\u6548\u7684\u89c6\u9891\u6269\u6563\u6a21\u578b\u81f3\u5173\u91cd\u8981\u3002\u76ee\u524d\uff0c\u867d\u7136\u5df2\u7ecf\u6709\u4e00\u4e9b\u5927\u89c4\u6a21\u7684\u56fe\u50cf\u6570\u636e\u96c6\uff0c\u5982ImageNet\u548cCOCO\uff0c\u4f46\u89c6\u9891\u6570\u636e\u96c6\u7684\u89c4\u6a21\u548c\u8d28\u91cf\u4ecd\u6709\u5f85\u63d0\u9ad8\u3002<\/li>\n<li><strong>\u9ad8\u6548\u7684\u8bad\u7ec3\u548c\u63a8\u7406<\/strong>\uff1a\u89c6\u9891\u6570\u636e\u76f8\u6bd4\u4e8e\u56fe\u50cf\u6570\u636e\u89c4\u6a21\u5de8\u5927\uff0c\u5728\u8bad\u7ec3\u548c\u63a8\u7406\u9636\u6bb5\u6240\u9700\u8981\u7684\u7b97\u529b\u4e5f\u5448\u51e0\u4f55\u500d\u6570\u589e\u52a0\u3002\u4f8b\u5982\uff0c\u751f\u6210\u4e00\u6bb5\u9ad8\u6e05\u89c6\u9891\u53ef\u80fd\u9700\u8981\u6570\u5341\u751a\u81f3\u6570\u767e\u500d\u4e8e\u751f\u6210\u4e00\u5f20\u56fe\u50cf\u7684\u8ba1\u7b97\u8d44\u6e90\u3002<\/li>\n<li><strong>\u751f\u6210\u89c6\u9891\u7684\u8d28\u91cf\u4e0e\u591a\u6837\u6027<\/strong>\uff1a\u5c3d\u7ba1\u89c6\u9891\u6269\u6563\u6a21\u578b\u5df2\u7ecf\u5728\u89c6\u9891\u751f\u6210\u65b9\u9762\u53d6\u5f97\u4e86\u663e\u8457\u8fdb\u5c55\uff0c\u4f46\u751f\u6210\u89c6\u9891\u7684\u8d28\u91cf\u548c\u591a\u6837\u6027\u4ecd\u6709\u63d0\u5347\u7a7a\u95f4\u3002<\/li>\n<li><strong>\u89c6\u9891\u751f\u6210\u7684\u53ef\u63a7\u6027<\/strong>\uff1a\u4e0e\u56fe\u50cf\u751f\u6210\u76f8\u6bd4\uff0c\u89c6\u9891\u751f\u6210\u9700\u8981\u8003\u8651\u66f4\u591a\u7684\u8981\u7d20\uff0c\u5982\u7cbe\u7ec6\u8fd0\u955c\u3001\u590d\u6742\u89d2\u8272\u52a8\u4f5c\u7b49\u3002\u73b0\u6709\u7684\u89c6\u9891\u6269\u6563\u6a21\u578b\u5728\u53ef\u63a7\u751f\u6210\u65b9\u9762\u4ecd\u5b58\u5728\u5c40\u9650\u6027\uff0c\u6a21\u578b\u53ef\u80fd\u65e0\u6cd5\u51c6\u786e\u6355\u6349\u6587\u672c\u4e2d\u7684\u7ec6\u8282\u4fe1\u606f\u3002<\/li>\n<li><strong>\u89c6\u9891\u7f16\u8f91\u7684\u65f6\u7a7a\u4e00\u81f4\u6027<\/strong>\uff1a\u89c6\u9891\u7f16\u8f91\u4efb\u52a1\u8981\u6c42\u6a21\u578b\u80fd\u591f\u5728\u4fdd\u6301\u539f\u59cb\u89c6\u9891\u5185\u5bb9\u4e00\u81f4\u6027\u7684\u57fa\u7840\u4e0a\uff0c\u6839\u636e\u7528\u6237\u63d0\u4f9b\u7684\u6587\u672c\u63cf\u8ff0\u6216\u5176\u4ed6\u6761\u4ef6\u8fdb\u884c\u7f16\u8f91\u3002\u73b0\u6709\u7684\u89c6\u9891\u6269\u6563\u6a21\u578b\u5728\u7f16\u8f91\u8fc7\u7a0b\u4e2d\u5f80\u5f80\u96be\u4ee5\u4fdd\u6301\u65f6\u7a7a\u4e00\u81f4\u6027\uff0c\u5bb9\u6613\u51fa\u73b0\u95ea\u70c1\u6216\u5185\u5bb9\u5931\u771f\u7b49\u95ee\u9898\u3002<\/li>\n<li><strong>\u89c6\u9891\u7406\u89e3\u4efb\u52a1\u7684\u6311\u6218<\/strong>\uff1a\u89c6\u9891\u6269\u6563\u6a21\u578b\u5728\u89c6\u9891\u7406\u89e3\u4efb\u52a1\u4e2d\u7684\u5e94\u7528\u4e5f\u9762\u4e34\u7740\u4e00\u7cfb\u5217\u6311\u6218\u3002\u4f8b\u5982\uff0c\u5728\u89c6\u9891\u5206\u7c7b\u3001\u52a8\u4f5c\u8bc6\u522b\u7b49\u4efb\u52a1\u4e2d\uff0c\u6a21\u578b\u9700\u8981\u51c6\u786e\u7406\u89e3\u89c6\u9891\u5185\u5bb9\u5e76\u505a\u51fa\u6b63\u786e\u7684\u5224\u65ad\u3002<\/li>\n<li><strong>\u8bc4\u4f30\u6307\u6807\u7684\u5b8c\u5584<\/strong>\uff1a\u8bc4\u4f30\u6307\u6807\u662f\u8861\u91cf\u89c6\u9891\u6269\u6563\u6a21\u578b\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\u3002\u7136\u800c\uff0c\u73b0\u6709\u7684\u8bc4\u4f30\u6307\u6807\u5f80\u5f80\u4fa7\u91cd\u4e8e\u8861\u91cf\u751f\u6210\u89c6\u9891\u4e0e\u771f\u5b9e\u89c6\u9891\u5728\u5206\u5e03\u4e0a\u7684\u5dee\u5f02\uff0c\u672a\u80fd\u5168\u9762\u8861\u91cf\u751f\u6210\u89c6\u9891\u7684\u8d28\u91cf\u3002<\/li>\n<li><strong>\u6a21\u578b\u7684\u6cdb\u5316\u80fd\u529b<\/strong>\uff1a\u89c6\u9891\u6269\u6563\u6a21\u578b\u7684\u6cdb\u5316\u80fd\u529b\u662f\u6307\u6a21\u578b\u5728\u9762\u5bf9\u65b0\u7684\u3001\u672a\u89c1\u8fc7\u7684\u6570\u636e\u65f6\u7684\u6027\u80fd\u8868\u73b0\u3002\u73b0\u6709\u7684\u89c6\u9891\u6269\u6563\u6a21\u578b\u5f80\u5f80\u5728\u7279\u5b9a\u6570\u636e\u96c6\u4e0a\u8868\u73b0\u826f\u597d\uff0c\u4f46\u5728\u6cdb\u5316\u5230\u65b0\u7684\u6570\u636e\u96c6\u6216\u73b0\u5b9e\u4e16\u754c\u7684\u5e94\u7528\u573a\u666f\u65f6\uff0c\u6027\u80fd\u53ef\u80fd\u4f1a\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2>\u89c6\u9891\u6269\u6563\u6a21\u578b\u7684\u53d1\u5c55\u524d\u666f<\/h2>\n<div class=\"pop-container\">\n<div class=\"popcontent-hole\">\n<div class=\"pop-content\">\n<div class=\"normal___qxduM\">\n<div class=\"\">\n<div id=\"chat-markdown-ctqi97u6s4t8o6b1ovgg-0-1\">\n<div class=\"markdown___vuBDJ\">\n<div class=\"markdown___vuBDJ\">\n<p>\u89c6\u9891\u6269\u6563\u6a21\u578b\uff08VDM\uff09\u4f5c\u4e3a\u4e00\u79cd\u65b0\u5174\u7684AI\u89c6\u9891\u751f\u6210\u6280\u672f\uff0c\u6b63\u5728\u4ee5\u60ca\u4eba\u7684\u901f\u5ea6\u6539\u53d8\u6211\u4eec\u521b\u4f5c\u548c\u7406\u89e3\u89c6\u9891\u5185\u5bb9\u7684\u65b9\u5f0f\u3002\u968f\u7740\u6269\u6563\u6a21\u578b\u5728\u56fe\u50cf\u751f\u6210\u548c\u7f16\u8f91\u9886\u57df\u7684\u6210\u529f\uff0cVDM\u5c06\u7ee7\u7eed\u4fdd\u6301\u5176\u5728\u89c6\u9891\u751f\u6210\u6280\u672f\u4e2d\u7684\u9886\u5148\u5730\u4f4d\uff0c\u901a\u8fc7\u6280\u672f\u521b\u65b0\u5b9e\u73b0\u66f4\u9ad8\u8d28\u91cf\u3001\u66f4\u903c\u771f\u7684\u89c6\u9891\u5185\u5bb9\u751f\u6210\u3002VDM\u5c06\u5728\u591a\u4e2a\u9886\u57df\u5c55\u73b0\u5176\u53d8\u9769\u6f5c\u529b\uff0c\u5305\u62ec\u521b\u610f\u5185\u5bb9\u5236\u4f5c\u3001\u865a\u62df\u73b0\u5b9e\u4e0e\u5143\u5b87\u5b99\u3001\u6559\u80b2\u57f9\u8bad\u3001\u533b\u7597\u5f71\u50cf\u548c\u6e38\u620f\u5f00\u53d1\u7b49\uff0c\u4e3a\u8fd9\u4e9b\u9886\u57df\u5e26\u6765\u65b0\u7684\u53ef\u80fd\u6027\u548c\u521b\u65b0\u673a\u9047\u3002\u9762\u5bf9\u751f\u6210\u9ad8\u8d28\u91cf\u89c6\u9891\u6240\u9700\u7684\u5de8\u5927\u8ba1\u7b97\u8d44\u6e90\u6311\u6218\uff0c\u672a\u6765VDM\u7684\u7814\u7a76\u5c06\u81f4\u529b\u4e8e\u63d0\u5347\u6a21\u578b\u7684\u8bad\u7ec3\u548c\u63a8\u7406\u6548\u7387\uff0c\u964d\u4f4e\u8ba1\u7b97\u6210\u672c\uff0c\u4f7f\u5176\u66f4\u6613\u4e8e\u5927\u89c4\u6a21\u5e94\u7528\u3002\u4e3a\u4e86\u63d0\u9ad8\u89c6\u9891\u751f\u6210\u7684\u53ef\u63a7\u6027\uff0cVDM\u5c06\u53d1\u5c55\u66f4\u7cbe\u7ec6\u7684\u6761\u4ef6\u63a7\u5236\u6280\u672f\uff0c\u540c\u65f6\u589e\u5f3a\u6a21\u578b\u7684\u53ef\u89e3\u91ca\u6027\uff0c\u8ba9\u7528\u6237\u66f4\u597d\u5730\u7406\u89e3\u548c\u4fe1\u4efbAI\u751f\u6210\u7684\u89c6\u9891\u5185\u5bb9\u3002VDM\u7684\u53d1\u5c55\u9700\u8981\u8de8\u5b66\u79d1\u5408\u4f5c\uff0c\u7ed3\u5408\u8ba1\u7b97\u673a\u89c6\u89c9\u3001\u673a\u5668\u5b66\u4e60\u3001\u6570\u636e\u79d1\u5b66\u7b49\u591a\u4e2a\u9886\u57df\u7684\u4e13\u5bb6\u77e5\u8bc6\uff0c\u5171\u540c\u63a8\u52a8\u6280\u672f\u7684\u8fdb\u6b65\u3002\u7efc\u4e0a\u6240\u8ff0\uff0c\u89c6\u9891\u6269\u6563\u6a21\u578b\uff08VDM\uff09\u7684\u53d1\u5c55\u524d\u666f\u5e7f\u9614\uff0c\u63a8\u52a8AI\u89c6\u9891\u751f\u6210\u6280\u672f\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u4e5f\u5c06\u5728\u591a\u4e2a\u884c\u4e1a\u4e2d\u53d1\u6325\u91cd\u8981\u4f5c\u7528\uff0c\u4e3a\u6570\u5b57\u5185\u5bb9\u521b\u4f5c\u548c\u7406\u89e3\u5e26\u6765\u9769\u547d\u6027\u7684\u53d8\u5316\u3002<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>\u89c6\u9891\u6269\u6563\u6a21\u578b\uff08Video Diffusion Models, VDM\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u89c6\u9891\u751f\u6210\u7684\u6269\u6563\u6a21\u578b\uff0c\u5728\u751f\u6210\u6a21\u578b\u7814\u7a76\u4e2d\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u91cc\u7a0b\u7891\u3002\u8be5\u6a21\u578b\u662f\u6807\u51c6\u56fe\u50cf\u6269\u6563\u67b6\u6784\u7684\u81ea\u7136\u6269\u5c55\uff0c\u5e76\u4e14\u80fd\u591f\u4ece\u56fe\u50cf\u548c\u89c6\u9891\u6570\u636e\u4e2d\u8054\u5408\u8bad\u7ec3\uff0c\u6709\u52a9\u4e8e\u51cf\u5c11\u5c0f\u6279\u91cf\u68af\u5ea6\u7684\u65b9\u5dee\u5e76\u52a0\u5feb\u4f18\u5316\u901f\u5ea6\u3002VDM\u4f7f\u75283D U-Net\u6269\u6563\u6a21\u578b\u67b6\u6784\u6765\u8bad\u7ec3\u751f\u6210\u56fa\u5b9a\u6570\u91cf\u7684\u89c6\u9891\u5e27\uff0c\u901a\u8fc7\u5bf9\u8fd9\u79cd\u6a21\u578b\u8fdb\u884c\u6761\u4ef6\u751f\u6210\u7684\u65b0\u6280\u672f\u6765\u6269\u5c55\u89c6\u9891\u7684\u957f\u5ea6\u548c\u5206\u8fa8\u7387\u3002 \u4ec0\u4e48\u662f\u89c6\u9891\u6269\u6563\u6a21\u578b \u89c6\u9891\u6269\u6563\u6a21\u578b\uff08Video Diffusion Models, VDM\uff09\u662f\u4e00\u79cd\u7ed3\u5408\u4e86\u53d8\u5206\u81ea\u7f16\u7801\u5668\uff08VAE\uff09\u548c\u6269\u6563\u6a21\u578b\u4f18\u52bf\u7684\u751f\u6210\u6a21\u578b\u3002VDM\u7684\u6838\u5fc3\u601d\u60f3\u662f\u5728\u6f5c\u5728\u7a7a\u95f4\u4e2d\u8fdb\u884c\u6269\u6563\u8fc7\u7a0b\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u5728\u9ad8\u7ef4\u6570\u636e\u7a7a\u95f4\u4e2d\u64cd\u4f5c\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0cVDM\u80fd\u591f\u5728\u4fdd\u6301\u6570\u636e\u751f\u6210\u8d28\u91cf\u7684\u540c\u65f6\uff0c\u5927\u5e45\u964d\u4f4e\u8ba1\u7b97\u6210\u672c\u3002 \u89c6\u9891\u6269\u6563\u6a21\u578b\u7684\u5de5\u4f5c\u539f\u7406 VDM\u901a\u8fc7\u5f15\u5165\u6f5c\u5728\u53d8\u91cfz\uff0c\u5c06\u9ad8\u7ef4\u6570\u636ex\u6620\u5c04\u5230\u4f4e\u7ef4\u6f5c\u5728\u7a7a\u95f4\u3002\u5229\u7528VAE\u7684\u53d8\u5206\u65b9\u6cd5\uff0cVDM\u901a\u8fc7\u7f16\u7801\u5668\u5c06\u6570\u636ex\u8f6c\u6362\u4e3a\u6f5c\u5728\u5411\u91cfz\uff0c\u5e76\u901a\u8fc7\u89e3\u7801\u5668\u5c06\u6f5c\u5728\u5411\u91cfz\u91cd\u5efa\u56de\u6570\u636e\u7a7a\u95f4\u3002\u5728\u6f5c\u5728\u7a7a\u95f4\u4e2d\uff0cVDM\u5b9a\u4e49\u4e86\u4e00\u4e2a\u524d\u5411\u6269\u6563\u8fc7\u7a0b\u548c\u4e00\u4e2a\u53cd\u5411\u6269\u6563\u8fc7\u7a0b\uff1a\u524d\u5411\u6269\u6563\u8fc7\u7a0b\u9010\u6b65\u5411\u6f5c\u5728\u5411\u91cfz0\u6dfb\u52a0\u566a\u58f0\uff0c\u751f\u6210\u5e26\u566a\u58f0\u7684\u6f5c\u5728\u5411\u91cfzt\uff0c\u76f4\u81f3\u5176\u5206\u5e03\u63a5\u8fd1\u6807\u51c6\u6b63\u6001\u5206\u5e03\uff1b\u53cd\u5411\u6269\u6563\u8fc7\u7a0b\u4ece\u6807\u51c6\u6b63\u6001\u5206\u5e03\u4e2d\u91c7\u6837\u521d\u59cb\u566a\u58f0zT\uff0c\u901a\u8fc7\u9006\u5411\u6269\u6563\u8fc7\u7a0b\u9010\u6b65\u53bb\u9664\u566a\u58f0\uff0c\u6062\u590d\u5230\u539f\u59cb\u6f5c\u5728\u5411\u91cfz0\uff0c\u6700\u7ec8\u901a\u8fc7\u89e3\u7801\u5668\u751f\u6210\u6570\u636ex\u3002 VDM\u7684\u8bad\u7ec3\u76ee\u6807\u662f\u6700\u5927\u5316\u6570\u636e\u7684\u5bf9\u6570\u4f3c\u7136logp\u03b8(x)\u3002\u901a\u8fc7\u53d8\u5206\u63a8\u5bfc\uff0c\u635f\u5931\u51fd\u6570\u53ef\u4ee5\u8868\u793a\u4e3a\u5404\u65f6\u95f4\u6b65\u7684KL\u6563\u5ea6\u4e4b\u548c\u3002VDM\u7684\u8bad\u7ec3\u8fc7\u7a0b\u5305\u62ecVAE\u7684\u8bad\u7ec3\u548c\u6269\u6563\u6a21\u578b\u7684\u8bad\u7ec3\uff0c\u91c7\u6837\u8fc7\u7a0b\u5219\u901a\u8fc7\u9006\u5411\u6269\u6563\u9010\u6b65\u751f\u6210\u65b0\u7684\u6f5c\u5728\u5411\u91cf\uff0c\u5e76\u901a\u8fc7\u89e3\u7801\u5668\u751f\u6210\u6700\u7ec8\u6570\u636e\u3002 \u89c6\u9891\u6269\u6563\u6a21\u578b\u7684\u4e3b\u8981\u5e94\u7528 \u89c6\u9891\u6269\u6563\u6a21\u578b\uff08Video Diffusion Models, VDM\uff09\u7684\u4e3b\u8981\u5e94\u7528\u9886\u57df\u975e\u5e38\u5e7f\u6cdb\uff0c\u6db5\u76d6\u4e86\u4ece\u89c6\u9891\u751f\u6210\u3001\u89c6\u9891\u7f16\u8f91\u5230\u89c6\u9891\u7406\u89e3\u7b49\u591a\u4e2a\u65b9\u9762: \u89c6\u9891\u751f\u6210\uff1a\u662fVDM\u6700\u76f4\u63a5\u7684\u5e94\u7528\u4e4b\u4e00\uff0c\u53ef\u4ee5\u5206\u4e3a\u65e0\u6761\u4ef6\u89c6\u9891\u751f\u6210\u548c\u6761\u4ef6\u89c6\u9891\u751f\u6210\u3002 \u89c6\u9891\u7f16\u8f91\uff1a\u662fVDM\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u5e94\u7528\u9886\u57df\uff0c\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u81ea\u7136\u8bed\u8a00\u63cf\u8ff0\u6216\u5176\u4ed6\u6a21\u6001\u7684\u8f93\u5165\u6765\u5f15\u5bfc\u89c6\u9891\u5185\u5bb9\u7684\u7f16\u8f91\u8fc7\u7a0b\u3002 \u89c6\u9891\u7406\u89e3\uff1a\u6d89\u53ca\u5bf9\u89c6\u9891\u5185\u5bb9\u7684\u5206\u6790\u548c\u89e3\u91ca\uff0cVDM\u5728\u8fd9\u4e00\u9886\u57df\u7684\u5e94\u7528\u5305\u62ec\u89c6\u9891\u5206\u7c7b\u3001\u52a8\u4f5c\u8bc6\u522b\u548c\u89c6\u9891\u63cf\u8ff0\u751f\u6210\u7b49\u3002 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