{"id":10892,"date":"2023-02-04T17:00:45","date_gmt":"2023-02-04T09:00:45","guid":{"rendered":"http:\/\/139.9.1.231\/?p=10892"},"modified":"2023-02-04T17:00:47","modified_gmt":"2023-02-04T09:00:47","slug":"d-nerf","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2023\/02\/04\/d-nerf\/","title":{"rendered":"D-NeRF&#8212;\u9488\u5bf9\u52a8\u6001\u573a\u666f\u7684NeRF"},"content":{"rendered":"\n<p class=\"has-text-align-center has-light-gray-background-color has-background\">\u4e3b\u9875\uff1a<a href=\"https:\/\/www.albertpumarola.com\/research\/D-NeRF\/index.html\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.albertpumarola.com\/research\/D-NeRF\/index.html<\/a><\/p>\n\n\n\n<p class=\"has-text-align-center has-light-gray-background-color has-background\"><a rel=\"noreferrer noopener\" href=\"https:\/\/github.com\/albertpumarola\/D-NeRF\" target=\"_blank\">https:\/\/github.com\/albertpumarola\/D-NeRF<\/a><\/p>\n\n\n\n<p class=\"has-text-align-center has-light-gray-background-color has-background\">D-NeRF: Neural Radiance Fields for Dynamic Scenes <a rel=\"noreferrer noopener\" href=\"https:\/\/arxiv.org\/abs\/2011.13961\" target=\"_blank\">https:\/\/arxiv.org\/abs\/2011.13961<\/a><\/p>\n\n\n\n<h2>Abstract<\/h2>\n\n\n\n<p><br>NeRF\u53ea\u80fd\u91cd\u5efa\u9759\u6001\u573a\u666f\uff0c\u672c\u6587\u63d0\u51fa\u7684\u65b9\u6cd5\u53ef\u4ee5\u628a\u795e\u7ecf\u8f90\u5c04\u573a\u6269\u5c55\u5230\u52a8\u6001\u9886\u57df\uff0c\u53ef\u4ee5\u5728\u5355\u76f8\u673a\u56f4\u7ed5\u573a\u666f\u65cb\u8f6c\u4e00\u5468\u7684\u60c5\u51b5\u4e0b\u91cd\u5efa\u7269\u4f53\u7684\u521a\u6027\u548c\u975e\u521a\u6027\u8fd0\u52a8\u3002\u7531\u6b64\u628a\u65f6\u95f4\u4f5c\u4e3a\u9644\u52a0\u7ef4\u5ea6\u52a0\u5230\u8f93\u5165\u4e2d\uff0c\u540c\u65f6\u628a\u5b66\u4e60\u8fc7\u7a0b\u5206\u4e3a\u4e24\u4e2a\u9636\u6bb5\uff1a\u7b2c\u4e00\u4e2a\u628a\u573a\u666f\u7f16\u7801\u5230\u57fa\u51c6\u7a7a\u95f4\uff0c\u53e6\u4e00\u4e2a\u5728\u7279\u5b9a\u65f6\u95f4\u628a\u8fd9\u79cd\u57fa\u51c6\u8868\u8fbe\u5f62\u5f0fmap\u5230\u53d8\u5f62\u573a\u666f\u4e2d\u3002\u4e24\u4e2amap\u90fd\u7528fcn\u5b66\u4e60\uff0c\u8bad\u7ec3\u5b8c\u540e\u53ef\u4ee5\u901a\u8fc7\u63a7\u5236\u76f8\u673a\u89c6\u89d2\u548c\u65f6\u95f4\u53d8\u91cf\u8fbe\u5230\u7269\u4f53\u8fd0\u52a8\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<h2>Introduction<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"319\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-42-1024x319.png\" alt=\"\" class=\"wp-image-12799\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-42-1024x319.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-42-300x93.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-42-768x239.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-42.png 1165w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u548c\u5df2\u6709\u76844d\u65b9\u5f0f\u4e0d\u540c\u70b9\u6709\uff1a<\/p>\n\n\n\n<ul><li>\u53ea\u9700\u5355\u76f8\u673a<\/li><li>\u65e0\u9700\u9884\u5148\u7b97\u597d\u4e00\u4e2a\u4e09\u7ef4\u91cd\u5efa<\/li><li>\u53ef\u4ee5\u7aef\u5230\u7aef<\/li><\/ul>\n\n\n\n<p>\u60f3\u505a\u7684\u5c31\u662f\u5728\u539f\u59cbnerf\u4e94\u7ef4\u8f93\u5165\u4e0a\u52a0\u4e2a\u65f6\u95f4t\uff0c\u5b8c\u6210<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-43.png\" alt=\"\" class=\"wp-image-12802\" width=\"132\" height=\"33\"\/><\/figure><\/div>\n\n\n\n<p>\u5230density\u548cradiance\u7684\u8f93\u51fa\u3002\u4e0d\u8fc7\u5982\u679c\u76f4\u63a5\u52a0\uff0c\u65f6\u95f4\u5197\u4f59\u6ca1\u6709\u5f88\u597d\u7684\u5229\u7528\uff0c\u6548\u679c\u5e76\u4e0d\u597d\u3002\u6240\u4ee5\u5206\u4e24\u4e2a\u6a21\u5757\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"118\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-44-1024x118.png\" alt=\"\" class=\"wp-image-12804\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-44-1024x118.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-44-300x35.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-44-768x89.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-44.png 1048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u800c\u4e14\u53ef\u4ee5\u4ea7\u751f\u5b8c\u6574\u4e09\u7ef4mesh\uff0c\u6355\u6349\u65f6\u53d8\u51e0\u4f55\u3002<\/p>\n\n\n\n<h4>Pipeline<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"352\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-41-1024x352.png\" alt=\"\" class=\"wp-image-12796\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-41-1024x352.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-41-300x103.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-41-768x264.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-41.png 1159w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h4>Formulation<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"271\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-45-1024x271.png\" alt=\"\" class=\"wp-image-12808\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-45-1024x271.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-45-300x80.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-45-768x204.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-45.png 1128w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3>Method<\/h3>\n\n\n\n<h4><br>Canonical network\uff08\u89c4\u8303\u7f51\u7edc\uff09<\/h4>\n\n\n\n<p>      \u5e0c\u671b\u627e\u5230\u4e00\u79cd\u573a\u666f\u7684\u8868\u793a\u80fd\u628a\u6240\u6709\u56fe\u7684\u76f8\u5173\u70b9\u7684\u4fe1\u606f\u90fd\u6c47\u805a\u8d77\u6765\u3002\u7f51\u7edc\u00a0\u03a8x\u00a0\u7528\u6765\u7f16\u7801\u57fa\u51c6\u7a7a\u95f4\u4e2d\u7684\u5bc6\u5ea6\u548c\u989c\u8272\uff0c\u7ed9\u4e00\u4e2a\u5750\u6807x\uff0c\u901a\u8fc7fcn\u8f93\u51fa256\u7ef4\u5411\u91cf\u518d\u548cd concatenate\u8d77\u6765\u8f93\u51fadensity\u548ccolor<\/p>\n\n\n\n<h4><br>Deformation network\uff08\u53d8\u5f62\u7f51\u7edc\uff09<\/h4>\n\n\n\n<p>      \u03a8t\u00a0\u8bad\u7ec3\u7528\u6765\u4f30\u8ba1\u67d0\u4e00\u5177\u4f53\u65f6\u523b\u7684\u573a\u666f\u548c\u57fa\u51c6\u7a7a\u95f4\u4e2d\u573a\u666f\u7684\u53d8\u5f62\u573a\uff08deformation field\uff09\uff0c\u7ed9\u4e00\u4e2a\u5750\u6807x\uff0c\u8f93\u51fa\u662f\u8fd9\u4e2a\u70b9\u548c\u57fa\u51c6\u7a7a\u95f4\u4e2d\u7684\u8fd9\u4e2a\u70b9\u7684\u4f4d\u79fb\u3002\u5e76\u4e14\u628a\u57fa\u51c6\u7a7a\u95f4\u573a\u666f\u8bbe\u4e3at=0<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-46.png\" alt=\"\" class=\"wp-image-12818\" width=\"215\" height=\"61\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-46.png 314w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-46-300x85.png 300w\" sizes=\"(max-width: 215px) 100vw, 215px\" \/><\/figure><\/div>\n\n\n\n<p>\u4e5f\u7528\u4e86\u4f4d\u7f6e\u7f16\u7801\uff0cx\u5341\u7ef4\uff0cd\uff0ct\u90fd\u662f\u56db\u7ef4<\/p>\n\n\n\n<h4>Volume rendering<\/h4>\n\n\n\n<p>\u5e26\u65f6\u95f4\u7684\u6e32\u67d3\u516c\u5f0f\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"556\" height=\"221\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-47.png\" alt=\"\" class=\"wp-image-12823\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-47.png 556w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-47-300x119.png 300w\" sizes=\"(max-width: 556px) 100vw, 556px\" \/><\/figure>\n\n\n\n<p>      p(\u210e,t)\u00a0\u8868\u793acanonical space\u4e2d\u7531x(h)\u53d8\u6362\u6765\u7684\u70b9\u6240\u4ee5\u5176\u5b9e\u6e32\u67d3\u7684\u65f6\u5019\u8fd8\u662f\u5728canonical space\u91cc\u8fb9\u8fdb\u884c\u6e32\u67d3\u7684\u79bb\u6563\u5316\u5f62\u5f0f\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-48.png\" alt=\"\" class=\"wp-image-12829\" width=\"411\" height=\"157\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-48.png 545w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-48-300x114.png 300w\" sizes=\"(max-width: 411px) 100vw, 411px\" \/><\/figure><\/div>\n\n\n\n<h2>Experiment<\/h2>\n\n\n\n<p><br>\u53ef\u4ee5\u51famesh\uff0cdepth\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"528\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-49-1024x528.png\" alt=\"\" class=\"wp-image-12830\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-49-1024x528.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-49-300x155.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-49-768x396.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-49.png 1188w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>\u8fd8\u53ef\u4ee5\u5408\u6210\u9634\u5f71\uff1a<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-50.png\" alt=\"\" class=\"wp-image-12831\" width=\"325\" height=\"131\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-50.png 569w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-50-300x121.png 300w\" sizes=\"(max-width: 325px) 100vw, 325px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u76f8\u6bd4\u5176\u4ed6\u65b9\u6cd5\uff1a<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-51.png\" alt=\"\" class=\"wp-image-12833\" width=\"466\" height=\"573\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-51.png 548w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-51-244x300.png 244w\" sizes=\"(max-width: 466px) 100vw, 466px\" \/><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"264\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-52-1024x264.png\" alt=\"\" class=\"wp-image-12835\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-52-1024x264.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-52-300x77.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-52-768x198.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-52.png 1141w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3b\u9875\uff1ahttps:\/\/www.albertpumarola.com\/research\/D-NeRF\/index &hellip; <a href=\"http:\/\/139.9.1.231\/index.php\/2023\/02\/04\/d-nerf\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">D-NeRF&#8212;\u9488\u5bf9\u52a8\u6001\u573a\u666f\u7684NeRF<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,35,31],"tags":[],"_links":{"self":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/10892"}],"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=10892"}],"version-history":[{"count":41,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/10892\/revisions"}],"predecessor-version":[{"id":12837,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/10892\/revisions\/12837"}],"wp:attachment":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/media?parent=10892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/categories?post=10892"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/tags?post=10892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}