{"id":38647,"date":"2025-02-20T07:00:58","date_gmt":"2025-02-19T23:00:58","guid":{"rendered":"https:\/\/17aitech.com\/?p=38647"},"modified":"2025-02-20T07:00:58","modified_gmt":"2025-02-19T23:00:58","slug":"iclr-2025-spotlight-%e8%ae%a9%e5%9f%8e%e5%b8%82%e3%80%8c%e5%8a%a8%e3%80%8d%e8%b5%b7%e6%9d%a5%ef%bc%81dynamiccity%e7%aa%81%e7%a0%b44d%e5%a4%a7%e5%9c%ba%e6%99%af%e7%94%9f%e6%88%90%e6%8a%80%e6%9c%af","status":"publish","type":"post","link":"https:\/\/17aitech.com\/?p=38647","title":{"rendered":"ICLR 2025 Spotlight | \u8ba9\u57ce\u5e02\u300c\u52a8\u300d\u8d77\u6765\uff01DynamicCity\u7a81\u78344D\u5927\u573a\u666f\u751f\u6210\u6280\u672f\u8fb9\u754c"},"content":{"rendered":"<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u4e92\u8054\u7f51:<a href=\"https:\/\/www.jiqizhixin.com\/articles\/2025-02-19-3\" target=\"_blank\">ICLR 2025 Spotlight | \u8ba9\u57ce\u5e02\u300c\u52a8\u300d\u8d77\u6765\uff01DynamicCity\u7a81\u78344D\u5927\u573a\u666f\u751f\u6210\u6280\u672f\u8fb9\u754c<\/a><\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-8c0e683f08f0c2057ea51460a15605ad.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-8c0e683f08f0c2057ea51460a15605ad.png\"><\/a><\/p>\n<blockquote data-author-name=\"\" data-content-utf8-length=\"166\" data-source-title=\"\" data-type=\"2\" data-url=\"\">\n<section>\n<p>AIxiv\u4e13\u680f\u662f\u673a\u5668\u4e4b\u5fc3\u53d1\u5e03\u5b66\u672f\u3001\u6280\u672f\u5185\u5bb9\u7684\u680f\u76ee\u3002\u8fc7\u53bb\u6570\u5e74\uff0c\u673a\u5668\u4e4b\u5fc3AIxiv\u4e13\u680f\u63a5\u6536\u62a5\u9053\u4e862000\u591a\u7bc7\u5185\u5bb9\uff0c\u8986\u76d6\u5168\u7403\u5404\u5927\u9ad8\u6821\u4e0e\u4f01\u4e1a\u7684\u9876\u7ea7\u5b9e\u9a8c\u5ba4\uff0c\u6709\u6548\u4fc3\u8fdb\u4e86\u5b66\u672f\u4ea4\u6d41\u4e0e\u4f20\u64ad\u3002\u5982\u679c\u60a8\u6709\u4f18\u79c0\u7684\u5de5\u4f5c\u60f3\u8981\u5206\u4eab\uff0c\u6b22\u8fce\u6295\u7a3f\u6216\u8005\u8054\u7cfb\u62a5\u9053\u3002\u6295\u7a3f\u90ae\u7bb1\uff1aliyazhou@jiqizhixin.com\uff1bzhaoyunfeng@jiqizhixin.com<\/p>\n<\/section>\n<\/blockquote>\n<section><\/section>\n<section>\u8fc7\u53bb\u4e00\u5e74\uff0c3D \u751f\u6210\u6280\u672f\u8fce\u6765\u7206\u53d1\u5f0f\u589e\u957f\u3002\u5728\u5927\u573a\u666f\u751f\u6210\u9886\u57df\uff0c\u6d8c\u73b0\u51fa\u4e00\u6279 \u201c\u9759\u6001\u5927\u573a\u666f\u751f\u6210\u201d \u5de5\u4f5c\uff0c\u5982 SemCity [1]\u3001PDD [2]\u3001XCube [3] \u7b49\u3002\u8fd9\u4e9b\u7814\u7a76\u63a8\u52a8\u4e86 AI \u5229\u7528\u6269\u6563\u6a21\u578b\u7684\u5f3a\u5927\u5b66\u4e60\u80fd\u529b\u6765\u89e3\u6784\u548c\u521b\u9020\u7269\u7406\u4e16\u754c\u7684\u8d8b\u52bf\u3002<\/section>\n<section><\/section>\n<section>\u5c3d\u7ba1\u8fd9\u4e9b\u65b9\u6cd5\u5728\u751f\u6210\u590d\u6742\u4e14\u7a00\u758f\u7684\u4e09\u7ef4\u73af\u5883\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u73b0\u6709\u6280\u672f\u4ecd\u9762\u4e34\u4e00\u4e2a\u6838\u5fc3\u6311\u6218\uff1a\u5728\u751f\u6210\u5927\u578b 3D \u573a\u666f\u65f6\uff0c\u5b83\u4eec\u5c06\u73af\u5883\u89c6\u4e3a\u9759\u6b62\u7684 \u201c\u5feb\u7167\u201d\u2014\u2014 \u9053\u8def\u51dd\u56fa\u3001\u884c\u4eba\u60ac\u505c\u3001\u8f66\u8f86\u9759\u6b62\u4e0d\u52a8\u3002\u8fd9\u79cd\u9759\u6001\u751f\u6210\u65b9\u5f0f\u7f3a\u4e4f\u771f\u5b9e\u4e16\u754c\u77ac\u606f\u4e07\u53d8\u7684\u4ea4\u901a\u6d41\uff0c\u96be\u4ee5\u53cd\u6620\u590d\u6742\u591a\u53d8\u7684\u4ea4\u901a\u573a\u666f\uff0c\u9650\u5236\u4e86\u5b9e\u9645\u5e94\u7528\u3002<\/section>\n<section><\/section>\n<section>\u90a3\u4e48\uff0c\u5982\u4f55\u8ba9\u751f\u6210\u7684 3D \u573a\u666f\u7a81\u7834\u9759\u6001\u5355\u5e27\u7684\u9650\u5236\uff0c\u771f\u6b63\u6355\u6349\u52a8\u6001\u4e16\u754c\u7684\u65f6\u7a7a\u6f14\u5316\u89c4\u5f8b\uff1f<\/section>\n<section><\/section>\n<section>\u5bf9\u6b64\uff0c\u4e0a\u6d77\u4eba\u5de5\u667a\u80fd\u5b9e\u9a8c\u5ba4\u3001\u5361\u8010\u57fa\u6885\u9686\u5927\u5b66\u3001\u65b0\u52a0\u5761\u56fd\u7acb\u5927\u5b66\u548c\u65b0\u52a0\u5761\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u56e2\u961f\u63d0\u51fa<strong>DynamicCity<\/strong>\uff0c\u7ed9\u51fa\u4e86\u7a81\u7834\u6027\u7684\u89e3\u7b54\u3002\u8fd9\u9879\u521b\u65b0\u6027\u5de5\u4f5c\u4ee5<strong>4D \u5230 2D \u7684\u7279\u5f81\u964d\u7ef4<\/strong>\u4e3a\u6838\u5fc3\u7a81\u7834\u70b9\uff0c\u9996\u6b21\u5b9e\u73b0\u4e86<strong>\u9ad8\u8d28\u91cf\u3001\u9ad8\u6548\u7684 4D \u573a\u666f\u5efa\u6a21<\/strong>\uff0c\u5e76\u5728<strong>\u751f\u6210\u8d28\u91cf\u3001\u8bad\u7ec3\u901f\u5ea6\u548c\u5185\u5b58\u6d88\u8017<\/strong>\u4e09\u5927\u5173\u952e\u7ef4\u5ea6\u4e0a\u53d6\u5f97\u8de8\u8d8a\u5f0f\u8fdb\u5c55\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-e6095e2f387a21c720f1c36739cb7e1f.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-e6095e2f387a21c720f1c36739cb7e1f.gif\"><\/a><\/section>\n<section><strong>DynamicCity\u5df2\u88ab ICLR 2025 \u63a5\u6536\u4e3aSpotlight\u8bba\u6587\uff0c\u9879\u76ee\u4e3b\u9875\u548c\u4ee3\u7801\u5747\u5df2\u516c\u5f00\u3002<\/strong><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-133cde421273d5833d1fbcf4127124a3.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-133cde421273d5833d1fbcf4127124a3.png\"><\/a><\/section>\n<ul>\n<li>\n<p>\u8bba\u6587\uff1ahttps:\/\/arxiv.org\/abs\/2410.18084<\/p>\n<\/li>\n<li>\n<p>\u4e3b\u9875\uff1ahttps:\/\/dynamic-city.github.io<\/p>\n<\/li>\n<li>\n<p>\u4ee3\u7801\uff1ahttps:\/\/github.com\/3DTopia\/DynamicCity<\/p>\n<\/li>\n<\/ul>\n<section><strong>\u5f15\u8a00<\/strong><\/section>\n<section><\/section>\n<section>3D \u5927\u578b\u573a\u666f\u751f\u6210\u6280\u672f\u65e8\u5728\u5229\u7528\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\uff0c\u5982\u6269\u6563\u6a21\u578b\uff0c\u6784\u5efa\u9ad8\u4fdd\u771f\u3001\u53ef\u6269\u5c55\u7684\u573a\u666f\u3002\u8be5\u6280\u672f\u6709\u671b\u4e3a\u667a\u80fd\u7cfb\u7edf\u7684\u8bad\u7ec3\u4e0e\u9a8c\u8bc1\u63d0\u4f9b\u8fd1\u4e4e\u65e0\u9650\u7684\u865a\u62df\u8bd5\u9a8c\u573a\u3002\u7136\u800c\uff0c\u73b0\u6709\u65b9\u6cd5\u5927\u591a\u8fd8\u5728\u63a2\u7d22\u9759\u6001\u573a\u666f\u7684\u5355\u5e27\u751f\u6210\uff08\u5982 XCube [1]\u3001PDD [2]\u3001SemCity [3] \u7b49\uff09\uff0c\u96be\u4ee5\u6355\u6349\u771f\u5b9e\u9a7e\u9a76\u73af\u5883\u4e2d\u4ea4\u901a\u6d41\u3001\u884c\u4eba\u8fd0\u52a8\u7b49\u52a8\u6001\u8981\u7d20\u7684\u65f6\u7a7a\u6f14\u5316\u89c4\u5f8b\u3002\u8fd9\u79cd\u9759\u6001\u4e0e\u52a8\u6001\u7684\u5272\u88c2\uff0c\u4e25\u91cd\u5236\u7ea6\u4e86\u751f\u6210\u573a\u666f\u5728\u590d\u6742\u4efb\u52a1\u4e2d\u7684\u5e94\u7528\u4ef7\u503c\u3002<\/section>\n<section><\/section>\n<section>\u4e3b\u6d41\u7684\u9759\u6001\u573a\u666f\u751f\u6210\u65b9\u6cd5 [1, 2, 3] \u4e3b\u8981\u4f9d\u8d56\u4f53\u7d20\u8d85\u5206\u6216 TriPlane \u538b\u7f29\uff0c\u4ee5\u5b9e\u73b0\u5927\u89c4\u6a21\u9759\u6001\u573a\u666f\u7684\u9ad8\u6548\u751f\u6210\uff0c\u5176\u672c\u8d28\u4ecd\u662f\u5bf9\u5355\u5e27 3D \u573a\u666f\u7684 \u201c\u5feb\u7167\u5f0f\u201d \u5efa\u6a21\u3002\u5c3d\u7ba1\u8fd1\u671f\u7814\u7a76\u5c1d\u8bd5\u5c06\u751f\u6210\u8303\u56f4\u6269\u5c55\u81f3\u52a8\u6001\uff08\u5982 OccSora [4], DOME [5]\uff09\uff0c4D \u573a\u666f\u7684\u590d\u6742\u6027 \u2014\u2014 \u5305\u542b\u6570\u5341\u4e2a\u79fb\u52a8\u7269\u4f53\u3001\u767e\u7c73\u7ea7\u7a7a\u95f4\u8de8\u5ea6\u53ca\u65f6\u5e8f\u5173\u8054 \u2014\u2014 \u4ecd\u5bfc\u81f4\u751f\u6210\u8d28\u91cf\u4e0e\u6548\u7387\u7684\u4e25\u91cd\u5931\u8861\u3002\u4f8b\u5982 OccSora \u65e0\u6cd5\u5728\u5927\u538b\u7f29\u7387\u7684\u60c5\u51b5\u4fdd\u8bc1\u8f83\u597d\u7684\u91cd\u5efa\u6548\u679c\uff0c\u4ee5\u53ca\u6269\u6563\u6a21\u578b\u751f\u6210\u7684\u7ed3\u679c\u4e5f\u8f83\u4e3a\u7c97\u7cd9\u3002<\/section>\n<section><\/section>\n<section>\u9488\u5bf9\u8fd9\u4e00\u96be\u9898\uff0c\u4e0a\u6d77\u4eba\u5de5\u667a\u80fd\u5b9e\u9a8c\u5ba4\u7b49\u63d0\u51fa<strong>DynamicCity<\/strong>\u2014\u2014 \u9762\u5411 4D \u573a\u666f\u7684\u751f\u6210\u6846\u67b6\u3002\u6838\u5fc3\u601d\u60f3\u662f\uff0c\u901a\u8fc7\u5728\u6f5c\u7a7a\u95f4\u663e\u5f0f\u5efa\u6a21\u573a\u666f\u7684\u7a7a\u95f4\u5e03\u5c40\u4e0e\u52a8\u6001\u53d8\u5316\uff0c\u5e76\u501f\u52a9\u6269\u6563\u6a21\u578b\uff0c\u76f4\u63a5\u751f\u6210\u9ad8\u8d28\u91cf\u7684\u52a8\u6001\u573a\u666f\u3002\u5177\u4f53\u800c\u8a00\uff0cDynamicCity \u91c7\u7528\u4ee5\u4e0b\u4e24\u6b65\u65b9\u6cd5\uff1a1) \u901a\u8fc7\u53d8\u5206\u81ea\u7f16\u7801\u5668\uff08Variational Autoencoder, VAE\uff09\u5c06\u590d\u6742\u7684 4D \u573a\u666f\u538b\u7f29\u4e3a\u7d27\u51d1\u7684 2D HexPlane [5][6] \u7279\u5f81\u8868\u793a\uff0c\u907f\u514d\u9ad8\u7ef4\u6f5c\u7a7a\u95f4\u8fc7\u4e8e\u590d\u6742\u5bfc\u81f4\u751f\u6210\u6a21\u578b\u96be\u4ee5\u5b66\u4e60\uff1b2) \u91c7\u7528 Padded Rollout Operation (PRO) \u4f7f\u6f5c\u7a7a\u95f4\u6355\u6349\u5230\u66f4\u591a\u65f6\u7a7a\u7ed3\u6784\uff0c\u5e2e\u52a9\u6269\u6563\u6a21\u578b\uff08Diffusion Transformer, DiT [7]\uff09\u66f4\u597d\u751f\u6210\u573a\u666f\u7684\u7a7a\u95f4\u7ed3\u6784\u4e0e\u52a8\u6001\u6f14\u5316\u3002<\/section>\n<section><\/section>\n<section>DynamicCity \u7684\u4e3b\u8981\u8d21\u732e\u5982\u4e0b\uff1a<\/section>\n<section><\/section>\n<section>1.\u00a0<strong>\u65f6\u7a7a\u7279\u5f81\u538b\u7f29<\/strong>\uff1a\u63d0\u51fa\u57fa\u4e8e Transformer \u7684\u6295\u5f71\u6a21\u5757\uff08Projection Module\uff09\uff0c\u5c06 4D \u70b9\u4e91\u5e8f\u5217\u538b\u7f29\u4e3a\u516d\u4e2a 2D \u7279\u5f81\u5e73\u9762\uff08HexPlane\uff09\uff0c\u76f8\u8f83\u4e8e\u4f20\u7edf\u5e73\u5747\u6c60\u5316\u65b9\u6cd5\uff0cmIoU \u63d0\u5347 12.56%\u3002\u7ed3\u5408 Expansion and Squeeze Strategy (ESS)\uff0c\u5728\u63d0\u5347 7.05% \u91cd\u5efa\u7cbe\u5ea6\u7684\u540c\u65f6\uff0c\u5c06\u5185\u5b58\u6d88\u8017\u964d\u4f4e 70.84%\u3002<\/section>\n<section>2.\u00a0<strong>\u7279\u5f81\u91cd\u7ec4<\/strong>\uff1a\u63d0\u51fa Padded Rollout \u64cd\u4f5c\uff0c\u5c06 HexPlane \u7279\u5f81\u91cd\u7ec4\u4e3a\u9002\u914d DiT \u6846\u67b6\u7684\u7279\u5f81\u56fe\uff0c\u6700\u5927\u7a0b\u5ea6\u4fdd\u7559 HexPlane \u7ed3\u6784\u5316\u4fe1\u606f\uff0c\u5e2e\u52a9\u751f\u6210 DiT \u66f4\u597d\u7684\u5b66\u4e60\u6f5c\u7a7a\u95f4\u3002<\/section>\n<section>3.\u00a0<strong>\u53ef\u63a7\u751f\u6210<\/strong>\uff1a\u652f\u6301\u8f68\u8ff9\u5f15\u5bfc\u751f\u6210\u3001\u6307\u4ee4\u9a71\u52a8\u751f\u6210\u30014D \u573a\u666f\u4fee\u6539\u3001\u5e03\u5c40\u6761\u4ef6\u751f\u6210\u7b49\u529f\u80fd\uff0c\u5e76\u53ef\u8f7b\u677e\u6269\u5c55\u81f3\u66f4\u591a\u5e94\u7528\uff0c\u5b9e\u73b0\u66f4\u53ef\u63a7\u7684\u751f\u6210\u3002<\/section>\n<section><\/section>\n<section><strong>DynamicCity\uff1a\u57fa\u4e8e HexPlane \u7684\u52a8\u6001\u573a\u666f\u6269\u6563\u6a21\u578b<\/strong><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-9cf3d31b81ca224a1b98dd56e456e77e.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-9cf3d31b81ca224a1b98dd56e456e77e.png\"><\/a><\/section>\n<section>DynamicCity \u91c7\u7528<strong>HexPlane \u8868\u5f81<\/strong>\u548c<strong>DiT<\/strong>\u6784\u5efa\u4e86\u4e00\u4e2a\u9ad8\u6548\u7684<strong>4D \u573a\u666f\u751f\u6210\u6846\u67b6<\/strong> \u3002\u6838\u5fc3\u601d\u60f3\u901a\u8fc7<strong>\u7279\u5f81\u964d\u7ef4\u7684<\/strong>\u65b9\u5f0f\uff0c\u5c06 4D \u573a\u666f\u6620\u5c04\u5230\u7d27\u51d1\u7684 2D HexPlane\uff0c\u5e76\u5728\u6b64\u57fa\u7840\u4e0a\u8bad\u7ec3 DiT \u8fdb\u884c\u573a\u666f\u751f\u6210\u3002\u5982\u56fe\u6240\u793a\uff0cDynamicCity \u4e3b\u8981\u7531\u4ee5\u4e0b\u4e24\u4e2a\u6838\u5fc3\u6a21\u5757\u6784\u6210\uff1a<\/section>\n<section><\/section>\n<section>1.\u00a0<strong>\u57fa\u4e8e HexPlane \u8868\u5f81\u7684 VAE<\/strong>\uff1a\u5229\u7528<strong>\u6295\u5f71\u6a21\u5757 (HexPlane Projection Module)<\/strong>\uff0c\u5c06\u00a0<strong>4D \u573a\u666f<\/strong>\u538b\u7f29\u5230\u516d\u4e2a\u4e92\u76f8\u6b63\u4ea4\u7684<strong>2D \u7279\u5f81\u5e73\u9762<\/strong>\uff0c\u5e76\u901a\u8fc7 \u00a0<strong>Expansion &amp; Squeeze Strategy (ESS)\u00a0<\/strong>\u8fdb\u884c\u89e3\u7801\uff0c\u4ee5\u9ad8\u6548\u6062\u590d\u539f\u59cb\u65f6\u7a7a\u4fe1\u606f\u3002<\/section>\n<section>2.\u00a0<strong>\u5728\u91cd\u7ec4 HexPlane \u4e0a\u8bad\u7ec3\u7684\u6269\u6563\u6a21\u578b<\/strong>\uff1a\u57fa\u4e8ePadded Rollout Operation (PRO)\uff0c\u5bf9 HexPlane \u8fdb\u884c\u7ed3\u6784\u5316\u5c55\u5f00\uff0c\u5e76\u5728\u6b64\u6f5c\u7a7a\u95f4\u8bad\u7ec3<strong>DiT<\/strong>\u8fdb\u884c\u91c7\u6837\uff0c\u4ee5\u751f\u6210\u65b0\u7684 4D \u52a8\u6001\u573a\u666f\u3002<\/section>\n<section><\/section>\n<section>DynamicCity \u901a\u8fc7\u8fd9\u4e24\u4e2a\u6838\u5fc3\u6a21\u5757\uff0c\u89e3\u51b3\u4e86\u73b0\u6709 4D \u751f\u6210\u6a21\u578b\u91cd\u5efa\u6548\u679c\u548c\u751f\u6210\u7ed3\u679c\u5dee\u7684\u95ee\u9898\uff0c\u63d0\u4f9b\u4e86<strong>\u66f4\u7d27\u51d1\u7684\u8868\u5f81\u3001\u66f4\u9ad8\u6548\u7684\u8bad\u7ec3\u3001\u66f4\u9ad8\u8d28\u91cf\u7684\u52a8\u6001\u573a\u666f\u5408\u6210\u3002<\/strong><\/section>\n<section><\/section>\n<section><strong>\u57fa\u4e8e HexPlane \u8868\u5f81\u7684 VAE<\/strong><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-7c090793b90a6658348336563ba3002c.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-7c090793b90a6658348336563ba3002c.png\"><\/a><\/section>\n<section>DynamicCity \u4f7f\u7528 VAE \u5c06 4D \u70b9\u4e91\u8f6c\u6362\u4e3a\u7d27\u51d1\u7684 HexPlane \u8868\u5f81\u3002\u4e00\u4e2a 4D \u573a\u666f\u88ab\u8868\u793a\u4e3a\u65f6\u7a7a\u4f53\u7d20\u6570\u636e<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-0ef00e43f655d24356e16d2829fa13b4.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-0ef00e43f655d24356e16d2829fa13b4.png\"><\/a>\uff0c\u5176\u4e2d<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-d825ab528bf721547de18c969f951061.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-d825ab528bf721547de18c969f951061.png\"><\/a>\u5206\u522b\u8868\u793a\u65f6\u95f4\u3001\u7a7a\u95f4\u7ef4\u5ea6\uff0c\u800c<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-93b0584aaaf086ab1e436d56d03a76b5.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-93b0584aaaf086ab1e436d56d03a76b5.png\"><\/a>\u4ee3\u8868\u7279\u5f81\u901a\u9053\u6570\u3002VAE \u5c06 4D \u6570\u636e\u8fdb\u884c\u964d\u7ef4\u6210 HexPlane\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-0ff722a1fc5dfb6eca82f79a335c0e4a.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-0ff722a1fc5dfb6eca82f79a335c0e4a.png\"><\/a><\/section>\n<section>\u5176\u4e2d\uff0c\u4e0b\u6807\u8868\u793a\u6bcf\u4e2a\u5e73\u9762\u4fdd\u7559\u7684\u7ef4\u5ea6\u3002<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-94eb5c8645bea68daf9dd10538734311.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-94eb5c8645bea68daf9dd10538734311.png\"><\/a>\u8d1f\u8d23\u5efa\u6a21<strong>\u7a7a\u95f4\u7ef4\u5ea6\u4fe1\u606f<\/strong>\uff0c<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-6b453ff21c1f86d94b5825f1ce59e10b.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-6b453ff21c1f86d94b5825f1ce59e10b.png\"><\/a>\u8d1f\u8d23\u5efa\u6a21<strong>\u65f6\u7a7a\u5173\u8054<\/strong>\u3002\u8fd9\u4e00\u6620\u5c04\u6210\u529f\u5c06 4D \u8868\u8fbe\u538b\u7f29\u81f3 2D \u7a7a\u95f4\uff0c\u4f7f\u5f97\u540e\u7eed\u7684\u751f\u6210\u4efb\u52a1\u66f4\u9ad8\u6548\u3002<\/section>\n<section><\/section>\n<section>\u6295\u5f71\u6a21\u5757\uff08Projection Module\uff09<\/section>\n<section><\/section>\n<section>\u4e3a\u4e86\u9ad8\u6548\u83b7\u53d6 HexPlane\uff0c\u4f5c\u8005\u8bbe\u8ba1\u4e86<strong>\u6295\u5f71\u6a21\u5757 (Projection Module)<\/strong>\uff0c\u7528\u4e8e\u5c06\u9ad8\u7ef4\u7279\u5f81\u6620\u5c04\u81f3 HexPlane\u3002\u5728\u901a\u8fc7<strong>\u5171\u4eab 3D \u5377\u79ef\u7279\u5f81\u63d0\u53d6\u5668<\/strong>\u63d0\u53d6\u521d\u6b65\u7684\u65f6\u7a7a 4D \u7279\u5f81\u540e\uff0c\u4f5c\u8005\u4f7f\u7528\u591a\u4e2a<strong>\u6295\u5f71\u7f51\u7edc<\/strong>\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-ddf072774679b362c3c5c83873df2db9.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-ddf072774679b362c3c5c83873df2db9.png\"><\/a>\uff0c\u5c06 4D \u7279\u5f81\u6295\u5f71\u5230 2D \u5e73\u9762\uff0c\u6bcf\u4e00\u4e2a\u6295\u5f71\u7f51\u7edc\u4f1a\u538b\u7f29\u4e00\u4e2a\u6216\u4e24\u4e2a\u7ef4\u5ea6\u3002<\/section>\n<section><\/section>\n<section>\u6295\u5f71\u6a21\u5757\u7531 7 \u4e2a\u5c0f\u578b\u7684\u6295\u5f71\u7f51\u7edc\u7ec4\u6210\uff0c\u5176\u4e2d\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-fdf837cc054ccec2fce47c0fda52af7e.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-fdf837cc054ccec2fce47c0fda52af7e.png\"><\/a>\u9996\u5148\u8fdb\u884c\u65f6\u95f4\u7ef4\u5ea6\u538b\u7f29\uff0c\u800c\u540e\u4e09\u4e2a\u5c0f\u578b\u7f51\u7edc\u5206\u522b\u63d0\u53d6\u7a7a\u95f4\u7279\u5f81\u5e73\u9762<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-964b61bcb1d173cf5e27ccbd553d9bea.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-964b61bcb1d173cf5e27ccbd553d9bea.png\"><\/a>\u3002\u800c\u65f6\u7a7a\u7279\u5f81\u5e73\u9762\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-b4e1d42a8380a5f3de34fbbb73d40768.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-b4e1d42a8380a5f3de34fbbb73d40768.png\"><\/a>\u5219\u662f\u901a\u8fc7\u4e09\u4e2a\u5c0f\u578b\u7f51\u7edc\u76f4\u63a5\u4ece 4D \u7279\u5f81\u4e2d\u63d0\u53d6\u5f97\u5230\u3002<\/section>\n<section><\/section>\n<section>Expansion &amp; Squeeze Strategy (ESS) \u89e3\u7801<\/section>\n<section><\/section>\n<section>\u5728\u52a8\u6001 NeRF \u7b49\u9886\u57df\u4e2d\uff0cHexPlane \u5e38\u7528\u4e00\u4e2a\u591a\u5c42\u611f\u77e5\u673a\uff08MLP\uff09\u8fdb\u884c\u9010\u70b9\u89e3\u7801\u3002\u7136\u800c\u5728 4D \u573a\u666f\u4e2d\uff0c\u70b9\u7684\u6570\u91cf\u975e\u5e38\u591a\uff0c\u5bfc\u81f4\u6a21\u578b\u901f\u5ea6\u6162\uff0c\u663e\u5b58\u5360\u7528\u5927\u3002DynamicCity \u63d0\u51fa ESS \u89e3\u7801\u7b56\u7565\uff0c\u7528\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\u4ee3 MLP\uff0c\u51cf\u5c11\u663e\u5b58\u5360\u7528\uff0c\u52a0\u901f\u8bad\u7ec3\uff0c\u540c\u65f6\u663e\u8457\u63d0\u5347\u91cd\u5efa\u6548\u679c\u3002<\/section>\n<section><\/section>\n<section>\u9996\u5148\uff0c\u5bf9\u6bcf\u4e2a 2D \u7279\u5f81\u5e73\u9762\u8fdb\u884c\u6269\u5c55\u548c\u91cd\u590d\uff0c\u4f7f\u5176\u5339\u914d 4D \u4f53\u7d20\u7279\u5f81\uff1b\u7136\u540e\uff0c\u5229\u7528 <strong>Hadamard \u4e58\u79ef<\/strong>\u8fdb\u884c\u4fe1\u606f\u878d\u5408\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-a6e7f7f489cc9928fb3bbaf7d4b22679.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-a6e7f7f489cc9928fb3bbaf7d4b22679.png\"><\/a><\/section>\n<section>\u6700\u7ec8\uff0c\u901a\u8fc7\u5377\u79ef\u89e3\u7801\u5668<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-eb7b2c003c19c1a76bbc473a635fcccb.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-eb7b2c003c19c1a76bbc473a635fcccb.png\"><\/a>\u751f\u6210\u5b8c\u6574 4D \u8bed\u4e49\u573a\u666f\u3002<\/section>\n<section><\/section>\n<section><strong>\u5728\u91cd\u7ec4 HexPlane \u4e0a\u8bad\u7ec3\u7684\u6269\u6563\u6a21\u578b<\/strong><\/section>\n<section><\/section>\n<section>\u5728 VAE \u7f16\u7801\u5668\u5b66\u4e60\u5230 4D \u573a\u666f\u7684 HexPlane \u8868\u5f81\u4e4b\u540e\uff0cDynamicCity \u4f7f\u7528 <strong>DiT<\/strong>\u5728\u5b66\u4e60 HexPlane \u7a7a\u95f4\u7684\u5206\u5e03\uff0c\u5e76\u751f\u6210<strong>\u65f6\u7a7a\u4e00\u81f4\u7684\u52a8\u6001\u573a\u666f<\/strong>\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-773166366c4de2202804e75381ace968.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-773166366c4de2202804e75381ace968.png\"><\/a><\/section>\n<section>HexPlane \u7684\u516d\u4e2a\u7279\u5f81\u5e73\u9762\u5171\u4eab\u90e8\u5206<strong>\u7a7a\u95f4\u7ef4\u5ea6\u6216\u65f6\u95f4\u7ef4\u5ea6<\/strong>\u3002\u4f5c\u8005\u5e0c\u671b\u80fd\u591f\u7528\u4e00\u79cd\u7b80\u5355\u6709\u6548\u7684\u65b9\u5f0f\uff0c\u5728\u8bad\u7ec3\u6269\u6563\u6a21\u578b\u65f6\uff0c\u516d\u4e2a\u5e73\u9762\u5e76\u975e\u4e92\u76f8\u72ec\u7acb\uff0c\u800c\u662f\u5171\u4eab\u90e8\u5206\u65f6\u7a7a\u4fe1\u606f\u3002<strong>Padded Rollout Operation (PRO)<\/strong>\u5c06\u516d\u4e2a\u7279\u5f81\u5e73\u9762\u6392\u5217\u6210<strong>\u5355\u4e2a\u7edf\u4e00\u7684 2D \u77e9\u9635<\/strong>\uff0c\u5e76\u5728\u672a\u5bf9\u9f50\u7684\u533a\u57df\u586b\u5145\u96f6\u503c\uff0c\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730<strong>\u4fdd\u7559 HexPlane \u7684\u7ed3\u6784\u5316\u4fe1\u606f<\/strong> \u3002<\/section>\n<section><\/section>\n<section>\u5177\u4f53\u800c\u8a00\uff0cPRO \u5c06\u516d\u4e2a 2D \u7279\u5f81\u5e73\u9762\u8f6c\u6362\u4e3a<strong>\u4e00\u4e2a\u65b9\u5f62\u7279\u5f81\u77e9\u9635<\/strong>\uff0c\u901a\u8fc7\u5c06\u7a7a\u95f4\u7ef4\u5ea6\u548c\u65f6\u95f4\u7ef4\u5ea6\u5c3d\u53ef\u80fd\u7684\u5bf9\u9f50\uff0cPRO \u80fd\u591f<strong>\u6700\u5c0f\u5316\u586b\u5145\u533a\u57df\u7684\u5927\u5c0f<\/strong>\uff0c\u5e76\u786e\u4fdd\u7a7a\u95f4\u4e0e\u65f6\u95f4\u7ef4\u5ea6\u4e4b\u95f4\u7684\u4fe1\u606f\u4e00\u81f4\u6027\u3002<\/section>\n<section><\/section>\n<section>\u968f\u540e\uff0c<strong>Patch Embedding<\/strong>\u5c06\u8be5 2D \u7279\u5f81\u77e9\u9635\u5212\u5206\u4e3a\u5c0f\u5757\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a token \u5e8f\u5217\u3002\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\uff0c\u4f5c\u8005\u4e3a\u6240\u6709 token \u6dfb\u52a0\u4f4d\u7f6e\u5d4c\u5165\uff0c\u5e76\u5c06\u586b\u5145\u533a\u57df\u5bf9\u5e94\u7684 token<strong>\u6392\u9664\u5728\u6269\u6563\u8fc7\u7a0b\u4e4b\u5916<\/strong>\uff0c\u4ece\u800c\u4fdd\u8bc1\u751f\u6210\u8fc7\u7a0b\u4e2d\u65f6\u7a7a\u4fe1\u606f\u7684\u5b8c\u6574\u6027\u3002<\/section>\n<section><\/section>\n<section><strong>\u53ef\u63a7\u751f\u6210\u4e0e\u5e94\u7528<\/strong><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-6918ef5ea584d49e184c09dcb964e2df.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-6918ef5ea584d49e184c09dcb964e2df.png\"><\/a><\/section>\n<section>\u4e3a\u4e86\u8ba9 HexPlane \u751f\u6210\u8fc7\u7a0b\u5177\u5907<strong>\u53ef\u63a7\u6027<\/strong>\uff0c\u4f5c\u8005\u5f15\u5165 <strong>Cla<\/strong><strong>s<\/strong><strong>sifier-Free Guidance (CFG)[8]<\/strong>\u673a\u5236\uff0c\u4ee5\u652f\u6301<strong>\u4e0d\u540c\u6761\u4ef6\u7ea6\u675f\u4e0b\u7684\u573a\u666f\u751f\u6210<\/strong>\u3002<\/section>\n<section><\/section>\n<section>\u5bf9\u4e8e\u4efb\u610f\u8f93\u5165\u6761\u4ef6\uff0c\u4f5c\u8005\u91c7\u7528<strong>AdaLN-Zero<\/strong>\u6280\u672f\u6765\u8c03\u6574 DiT \u6a21\u578b\u5185\u90e8\u7684\u5f52\u4e00\u5316\u53c2\u6570\uff0c\u4ece\u800c\u5f15\u5bfc\u6a21\u578b\u751f\u6210\u7b26\u5408\u7279\u5b9a\u7ea6\u675f\u7684\u573a\u666f\u3002\u6b64\u5916\uff0c\u5bf9\u4e8e<strong>\u56fe\u50cf\u6761\u4ef6<\/strong> (Image-based Condition)\uff0c\u4f5c\u8005\u989d\u5916\u6dfb\u52a0<strong>\u8de8\u6a21\u6001\u6ce8\u610f\u529b\u6a21\u5757 (Cross-Attention Block)<\/strong>\uff0c\u4ee5\u589e\u5f3a HexPlane \u4e0e\u5916\u90e8\u89c6\u89c9\u4fe1\u606f\u7684\u4ea4\u4e92\u80fd\u529b\u3002<\/section>\n<section><\/section>\n<section><strong>\u901a\u8fc7 CFG \u548c HexPlane Manipulation\uff0cDynamicCity \u652f\u6301\u4ee5\u4e0b\u7684\u5e94\u7528\uff0c\u4e14\u53ef\u4ee5\u8f7b\u677e\u62d3\u5c55\u5230\u5176\u4ed6\u7684\u6761\u4ef6<\/strong>\uff1a<\/section>\n<section><\/section>\n<section>1.\u00a0<strong>HexPlane \u7eed\u751f\u6210 (Long-term Prediction)<\/strong>\uff1a\u901a\u8fc7<strong>\u81ea\u56de\u5f52\u65b9<\/strong><strong>\u5f0f<\/strong>\u6269\u5c55 HexPlane\uff0c\u5b9e\u73b0 4D \u573a\u666f\u672a\u6765\u9884\u6d4b\uff0c\u957f\u5e8f\u5217 4D \u573a\u666f\u751f\u6210\u7b49\u4efb\u52a1\u3002<\/section>\n<section>2.\u00a0<strong>\u5e03\u5c40\u63a7\u5236 (Layout-conditioned Generation)<\/strong>\uff1a\u6839\u636e\u9e1f\u77b0 (BEV) \u89c6\u89d2\u8bed\u4e49\u56fe\uff0c\u751f\u6210\u7b26\u5408\u4ea4\u901a\u5e03\u5c40\u7684\u52a8\u6001\u573a\u666f\u3002<\/section>\n<section>3.\u00a0<strong>\u8f66\u8f86\u8f68\u8ff9\u63a7\u5236 (Trajectory-conditioned Generation)<\/strong>\uff1a\u901a\u8fc7\u8f93\u5165\u76ee\u6807\u8f68\u8ff9\uff0c\u5f15\u5bfc\u573a\u666f\u4e2d\u8f66\u8f86\u7684\u8fd0\u52a8\u3002<\/section>\n<section>4.\u00a0<strong>\u81ea\u8f66\u8fd0\u52a8\u63a7\u5236 (Ego-motion Conditioned Generation)<\/strong>\uff1a\u5141\u8bb8\u7528\u6237\u8f93\u5165\u7279\u5b9a\u6307\u4ee4\uff0c\u5f15\u5bfc\u81ea\u8f66\u5728\u5408\u6210\u573a\u666f\u4e2d\u7684\u8fd0\u52a8\u8def\u5f84\u3002<\/section>\n<section>5.\u00a0<strong>4D \u573a\u666f\u4fee\u6539 (4D Scene Inpainting)<\/strong>\uff1a\u901a\u8fc7\u63a9\u819c HexPlane \u4e2d\u7684\u5c40\u90e8\u533a\u57df\uff0c\u5e76\u5229\u7528 DiT \u8fdb\u884c\u5c40\u90e8\u8865\u5168\uff0c\u5b9e\u73b0 4D \u52a8\u6001\u573a\u666f\u7684\u9ad8\u8d28\u91cf\u4fee\u590d\u3002<\/section>\n<section><\/section>\n<section><strong>\u7ed3\u679c<\/strong><\/section>\n<section><\/section>\n<section>\u4e0b\u9762\u5c55\u793a\u4e86\u4e00\u4e9b DynamicCity \u7684\u7ed3\u679c\uff0c\u5305\u62ec\u65e0\u6761\u4ef6\u751f\u6210\u7684\u7ed3\u679c\uff0c\u5e03\u5c40\u63a7\u5236\u751f\u6210\u7ed3\u679c\u7b49\u3002<\/section>\n<section><\/section>\n<section><strong>\u65e0\u6761\u4ef6\u751f\u6210\uff08\u5de6\uff1aOccSora [4]; \u53f3\uff1aDynamicCity\uff09<\/strong><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-27a948adba84065d16006b54a7fea85a.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-27a948adba84065d16006b54a7fea85a.gif\"><\/a><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-3cfcfe8cefb485a1a1f08b59df32256d.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-3cfcfe8cefb485a1a1f08b59df32256d.gif\"><\/a><\/section>\n<section><strong>\u957f\u5e8f\u5217\u751f\u6210<\/strong><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-25799d83969a4278255ec973e739b693.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-25799d83969a4278255ec973e739b693.gif\"><\/a><\/section>\n<section><strong>\u5e03\u5c40\u63a7\u5236\u751f\u6210<\/strong><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-0f43e536e86681af55682dfd0598f5e7.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-0f43e536e86681af55682dfd0598f5e7.gif\"><\/a><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-6eebf0b5e508672370c8ae592c39cb3a.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-6eebf0b5e508672370c8ae592c39cb3a.gif\"><\/a><\/section>\n<section><strong>\u8f66\u8f86\u8f68\u8ff9 \/ \u81ea\u8f66\u8fd0\u52a8\u751f\u6210<\/strong><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-2eee7ce9b852268f661a9ec7c44d09e5.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-2eee7ce9b852268f661a9ec7c44d09e5.gif\"><\/a><\/section>\n<section><strong>4D \u573a\u666f\u7f16\u8f91<\/strong><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-0e82477f8e941078b40eac89c0b0c742.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-0e82477f8e941078b40eac89c0b0c742.gif\"><\/a><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-fc8c35b1f4cc76554ba3ea4dd395e2bd.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-fc8c35b1f4cc76554ba3ea4dd395e2bd.gif\"><\/a><\/section>\n<section><strong>\u603b\u7ed3\u00a0<\/strong><\/section>\n<section><\/section>\n<section>DynamicCity \u63d0\u51fa\u4e86\u57fa\u4e8e HexPlane \u7684 4D \u573a\u666f\u6269\u6563\u751f\u6210\u6a21\u578b\uff0c\u901a\u8fc7 HexPlane \u8868\u5f81\u3001Projection Module\u3001Expansion &amp; Squeeze Strategy\u3001Padded Rollout Operation (PRO)\uff0c\u4ee5\u53caDiffusion Transformer \u6269\u6563\u91c7\u6837\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6548\u3001\u53ef\u63a7\u4e14\u9ad8\u8d28\u91cf\u7684 4D \u573a\u666f\u751f\u6210\u3002\u6b64\u5916\uff0cDynamicCity \u8fd8\u652f\u6301\u591a\u79cd\u53ef\u63a7\u751f\u6210\u65b9\u5f0f\uff0c\u5e76\u53ef\u5e94\u7528\u4e8e\u8f68\u8ff9\u9884\u6d4b\u3001\u5e03\u5c40\u63a7\u5236\u3001\u81ea\u8f66\u8fd0\u52a8\u63a7\u5236\u53ca\u573a\u666f\u4fee\u6539\u7b49\u591a\u4e2a\u81ea\u52a8\u9a7e\u9a76\u4efb\u52a1\u3002<\/section>\n<section><\/section>\n<section><strong>\u4f5c\u8005\u4ecb\u7ecd<\/strong><\/section>\n<p>DynamicCity\u662f\u4e0a\u6d77\u4eba\u5de5\u667a\u80fd\u5b9e\u9a8c\u5ba4\u3001\u5361\u8010\u57fa\u6885\u9686\u5927\u5b66\u3001\u65b0\u52a0\u5761\u56fd\u7acb\u5927\u5b66\u548c\u65b0\u52a0\u5761\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u56e2\u961f\u7684\u5408\u4f5c\u9879\u76ee\u3002<\/p>\n<p>\u672c\u6587\u7b2c\u4e00\u4f5c\u8005\u535e\u6052\u73ae\uff0c\u7cfb\u5361\u8010\u57fa\u6885\u9686\u5927\u5b66\u7855\u58eb\u7814\u7a76\u751f\uff0c\u5de5\u4f5c\u5b8c\u6210\u4e8e\u5176\u5728\u4e0a\u6d77\u4eba\u5de5\u667a\u80fd\u5b9e\u9a8c\u5ba4\u5b9e\u4e60\u671f\u95f4\uff0c\u901a\u8baf\u4f5c\u8005\u4e3a\u4e0a\u6d77\u4eba\u5de5\u667a\u80fd\u5b9e\u9a8c\u5ba4\u9752\u5e74\u79d1\u5b66\u5bb6\u6f58\u4eae\u535a\u58eb\u3002<\/p>\n<p>\u5176\u4f59\u4f5c\u8005\u5206\u522b\u4e3a\u65b0\u52a0\u5761\u56fd\u7acb\u5927\u5b66\u8ba1\u7b97\u673a\u7cfb\u535a\u58eb\u751f\u5b54\u4ee4\u4e1c\uff0c\u65b0\u52a0\u5761\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u8c22\u6d69\u54f2\u535a\u58eb\u3001\u5218\u5b50\u7eac\u6559\u6388\uff0c\u4ee5\u53ca\u4e0a\u6d77\u4eba\u5de5\u667a\u80fd\u5b9e\u9a8c\u5ba4\u4e54\u5b87\u6559\u6388\u3002<\/p>\n<section><em><sup>References<\/sup><\/em><\/section>\n<section><sup><em>[1] Lee, J., et al. (2024). SemCity: Semantic Scene Generation with Triplane Diffusion. In Proceedings of the IEEE\/CVF Conference on Computer Vision and Pattern Recognition (pp. 28337-28347).<\/em><\/sup><\/section>\n<section><sup><em>[2] Liu, Y, et al. &#8220;Pyramid Diffusion for Fine 3D Large Scene Generation&#8221;. ECCV, 2024.<\/em><\/sup><\/section>\n<section><sup><em>[3] Ren, X, et al. &#8220;XCube: Large-Scale 3D Generative Modeling using Sparse Voxel Hierarchies&#8221;. CVPR, 2024.<\/em><\/sup><\/section>\n<section><sup><em>[4] Wang, L., et al. (2024). OccSora: 4D Occupancy Generation Models as World Simulators for Autonomous Driving. arXiv preprint arXiv:2405.20337.<\/em><\/sup><\/section>\n<section><sup><em>[5] Gu, S, et al. &#8220;DOME: Taming Diffusion Model into High-Fidelity Controllable Occupancy World Model&#8221;. arXiv, 2024.<\/em><\/sup><\/section>\n<section><sup><em>[6] Fridovich-Keil, S., et al. (2023). K-planes: Explicit radiance fields in space, time, and appearance. In Proceedings of the IEEE\/CVF Conference on Computer Vision and Pattern Recognition (pp. 12479-12488).<\/em><\/sup><\/section>\n<section><sup><em>[7] Cao, A., &amp; Johnson, J. (2023). Hexplane: A fast representation for dynamic scenes. In Proceedings of the IEEE\/CVF Conference on Computer Vision and Pattern Recognition (pp. 130-141).<\/em><\/sup><\/section>\n<section><sup><em>[8] Peebles, W., &amp; Xie, S. (2023). Scalable diffusion models with transformers. In Proceedings of the IEEE\/CVF International Conference on Computer Vision (pp. 4195-4205).<\/em><\/sup><\/section>\n<section><em><sup>[9] Ho, J., &amp; Salimans, T. (2022). Classifier-free diffusion guidance. arXiv preprint arXiv:2207.12598.<\/sup><\/em><\/section>\n<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u4e92\u8054\u7f51:<a href=\"https:\/\/www.jiqizhixin.com\/articles\/2025-02-19-3\" target=\"_blank\">ICLR 2025 Spotlight | \u8ba9\u57ce\u5e02\u300c\u52a8\u300d\u8d77\u6765\uff01DynamicCity\u7a81\u78344D\u5927\u573a\u666f\u751f\u6210\u6280\u672f\u8fb9\u754c<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u4e92\u8054\u7f51:ICLR 2025 S [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[27],"tags":[65],"class_list":["post-38647","post","type-post","status-publish","format-standard","hentry","category-news","tag-65"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - 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