{"id":3758,"date":"2026-01-30T22:32:59","date_gmt":"2026-01-30T22:32:59","guid":{"rendered":"https:\/\/umaax.com\/shenmeshinerfneuralradiancefieldsaibaikezhishi\/"},"modified":"2026-01-30T22:32:59","modified_gmt":"2026-01-30T22:32:59","slug":"shenmeshinerfneuralradiancefieldsaibaikezhishi","status":"publish","type":"post","link":"https:\/\/umaax.com\/en\/shenmeshinerfneuralradiancefieldsaibaikezhishi\/","title":{"rendered":"\u4ec0\u4e48\u662fNeRF\uff08Neural Radiance Fields\uff09 \u2013 AI\u767e\u79d1\u77e5\u8bc6"},"content":{"rendered":"<p>NeRF\uff08Neural Radiance Fields\uff09\u662f\u4e00\u79cd\u6df1\u5ea6\u5b66\u4e60\u6280\u672f\uff0c\u7528\u4e8e\u4ece\u4e00\u7ec42D\u56fe\u50cf\u4e2d\u5b66\u4e603D\u573a\u666f\u7684\u8868\u793a\uff0c\u5e76\u80fd\u591f\u6e32\u67d3\u51fa\u65b0\u7684\u89c6\u89d2\u89c6\u56fe\u3002\u8fd9\u9879\u6280\u672f\u5728\u8ba1\u7b97\u673a\u89c6\u89c9\u548c\u56fe\u5f62\u5b66\u9886\u57df\u5f15\u8d77\u4e86\u5e7f\u6cdb\u5173\u6ce8\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u751f\u6210\u9ad8\u8d28\u91cf\u76843D\u573a\u666f\u6e32\u67d3\u3002NeRF\u6280\u672f\u4ee5\u5176\u72ec\u7279\u7684\u9690\u5f0f\u8868\u793a\u548c\u5f3a\u5927\u7684\u65b0\u89c6\u89d2\u5408\u6210\u80fd\u529b\uff0c\u5728\u8ba1\u7b97\u673a\u89c6\u89c9\u548c\u56fe\u5f62\u5b66\u9886\u57df\u5c55\u73b0\u51fa\u5de8\u5927\u7684\u6f5c\u529b\u3002\u901a\u8fc7\u6df1\u5165\u7406\u89e3\u5176\u57fa\u672c\u539f\u7406\u548c\u5de5\u4f5c\u6d41\u7a0b\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u5e94\u7528\u8fd9\u4e00\u6280\u672f\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002\u968f\u7740\u7814\u7a76\u7684\u4e0d\u65ad\u6df1\u5165\uff0cNeRF\u6280\u672f\u5728\u591a\u4e2a\u9886\u57df\u5c55\u73b0\u51fa\u5e7f\u6cdb\u7684\u5e94\u7528\u524d\u666f\uff0c\u4ece\u865a\u62df\u73b0\u5b9e\u5230\u673a\u5668\u4eba\u5bfc\u822a\uff0cNeRF\u90fd\u5728\u4e0d\u65ad\u5730\u63a8\u52a8\u7740\u6280\u672f\u7684\u8fb9\u754c\u3002<\/p>\n<h2>\u4ec0\u4e48\u662fNeRF<\/h2>\n<p>NeRF\uff08Neural Radiance Fields\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u751f\u6210\u9ad8\u8d28\u91cf\u4e09\u7ef4\u91cd\u5efa\u6a21\u578b\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u6280\u672f\u3002\u901a\u8fc7\u6df1\u5ea6\u5b66\u4e60\u6280\u672f\u4ece\u591a\u4e2a\u89c6\u89d2\u7684\u56fe\u50cf\u4e2d\u63d0\u53d6\u5bf9\u8c61\u7684\u51e0\u4f55\u5f62\u72b6\u548c\u7eb9\u7406\u4fe1\u606f\uff0c\u7136\u540e\u4f7f\u7528\u8fd9\u4e9b\u4fe1\u606f\u751f\u6210\u4e00\u4e2a\u8fde\u7eed\u7684\u4e09\u7ef4\u8f90\u5c04\u573a\uff0c\u53ef\u4ee5\u5728\u4efb\u610f\u89d2\u5ea6\u548c\u8ddd\u79bb\u4e0b\u5448\u73b0\u51fa\u9ad8\u5ea6\u903c\u771f\u7684\u4e09\u7ef4\u6a21\u578b\u3002NeRF\u6280\u672f\u5728\u8ba1\u7b97\u673a\u56fe\u5f62\u5b66\u3001\u865a\u62df\u73b0\u5b9e\u3001\u589e\u5f3a\u73b0\u5b9e\u7b49\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u524d\u666f\u3002<\/p>\n<h2>NeRF\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>NeRF\u5c06\u4e09\u7ef4\u573a\u666f\u8868\u793a\u4e3a\u4e00\u4e2a\u8fde\u7eed\u76845D\u8f90\u5c04\u573a\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u573a\u666f\u4e2d\u6bcf\u4e2a\u70b9\u7684\u4f4d\u7f6e\uff08x, y, z\uff09\u548c\u89c2\u5bdf\u65b9\u5411\uff08\u03b8, \u03d5\uff09\u4fe1\u606f\u3002\u795e\u7ecf\u7f51\u7edcF\u0398\u63a5\u53d7\u8fd9\u4e9b\u8f93\u5165\uff0c\u8f93\u51fa\u8be5\u70b9\u7684\u81ea\u53d1\u5149\u989c\u8272c\u548c\u4f53\u7d20\u5bc6\u5ea6\u03c3\u3002NeRF\u91c7\u7528\u4f53\u6e32\u67d3\u6280\u672f\uff0c\u901a\u8fc7\u79ef\u5206\u5149\u7ebf\u4e0a\u7684\u4f53\u7d20\u5bc6\u5ea6\u548c\u989c\u8272\u4fe1\u606f\uff0c\u5f97\u5230\u6700\u7ec8\u7684\u50cf\u7d20\u989c\u8272\u3002\u8fd9\u4e00\u8fc7\u7a0b\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<span class=\"math math-inline\"><span class=\"katex\"><span class=\"katex-mathml\">C(r)=\u222btntfT(t)\u03c3(r(t))c(r(t),d)dt<\/span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord mathnormal\">C<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">r<\/span><span class=\"mclose\">)<\/span><span class=\"mrel\">=<\/span><\/span><span class=\"base\"><span class=\"mop\"><span class=\"mop op-symbol small-op\">\u222b<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">t<\/span><span class=\"sizing reset-size3 size1 mtight\"><span class=\"mord mathnormal mtight\">n<\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">t<\/span><span class=\"sizing reset-size3 size1 mtight\"><span class=\"mord mathnormal mtight\">f<\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mord mathnormal\">T<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">t<\/span><span class=\"mclose\">)<\/span><span class=\"mord mathnormal\">\u03c3<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">r<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">t<\/span><span class=\"mclose\">))<\/span><span class=\"mord mathnormal\">c<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">r<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">t<\/span><span class=\"mclose\">)<\/span><span class=\"mpunct\">,<\/span><span class=\"mord mathnormal\">d<\/span><span class=\"mclose\">)<\/span><span class=\"mord mathnormal\">d<\/span><span class=\"mord mathnormal\">t<\/span><\/span><\/span><\/span><\/span> \u5176\u4e2d\uff0c<span class=\"math math-inline\"><span class=\"katex\"><span class=\"katex-mathml\">C(r)<\/span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord mathnormal\">C<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">r<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>\u662f\u5149\u7ebfr\u4e0a\u7684\u989c\u8272\uff0c<span class=\"math math-inline\"><span class=\"katex\"><span class=\"katex-mathml\">T(t)<\/span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord mathnormal\">T<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">t<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>\u662f\u5149\u7ebf\u4ece<span class=\"math math-inline\"><span class=\"katex\"><span class=\"katex-mathml\">tn<\/span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">t<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">n<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u5230t\u7684\u7d2f\u79ef\u900f\u5c04\u7387\uff0c\u8868\u793a\u5149\u7ebf\u5728t\u4e4b\u524d\u672a\u51fb\u4e2d\u4efb\u4f55\u7c92\u5b50\u7684\u6982\u7387\u3002<\/p>\n<p>\u8f93\u5165\u591a\u89c6\u89d2\u56fe\u7247\uff08\u5305\u62ec\u50cf\u7d20\u5750\u6807\u3001\u50cf\u7d20\u989c\u8272\uff09\u4ee5\u53ca\u76f8\u673a\u5185\u53c2\u3001\u4f4d\u59ff\u7b49\u6570\u636e\u3002\u4f7f\u7528\u5149\u7ebf\u6b65\u8fdb\u6cd5\u4ea7\u751f\u5c04\u7ebf\uff0c\u901a\u8fc7\u968f\u673a\u91c7\u6837\u548c\u91cd\u8981\u6027\u91c7\u6837\u5f97\u5230\u7a7a\u95f4\u91c7\u6837\u70b9\u7684\u5750\u6807\u3002NeRF\u7f51\u7edc\u8f93\u51fa\u91c7\u6837\u70b9\u7684\u4f53\u5bc6\u5ea6\u03c3\u548c\u989c\u8272c\u3002\u6839\u636e\u4f53\u6e32\u67d3\u539f\u7406\uff0c\u5c06\u91c7\u6837\u70b9\u7684\u4f53\u5bc6\u5ea6\u548c\u989c\u8272\u4fe1\u606f\u79ef\u5206\u5f97\u5230\u6700\u7ec8\u50cf\u7d20\u989c\u8272\u3002\u5c06\u751f\u6210\u7684\u56fe\u50cf\u4e0e\u771f\u5b9e\u56fe\u50cf\u8fdb\u884c\u635f\u5931\u8ba1\u7b97\uff0c\u8bad\u7ec3\u795e\u7ecf\u7f51\u7edc\u3002<\/p>\n<h2>NeRF\u7684\u4e3b\u8981\u5e94\u7528<\/h2>\n<ul>\n<li><strong>\u65b0\u89c6\u89d2\u5408\u6210<\/strong>\uff1a NeRF\u6280\u672f\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u4ece\u672a\u89c1\u8fc7\u7684\u89d2\u5ea6\u7684\u9ad8\u8d28\u91cf3D\u573a\u666f\u56fe\u50cf\uff0c\u8fd9\u5bf9\u4e8e\u865a\u62df\u73b0\u5b9e\uff08VR\uff09\u548c\u589e\u5f3a\u73b0\u5b9e\uff08AR\uff09\u5e94\u7528\u975e\u5e38\u6709\u4ef7\u503c\u3002<\/li>\n<li><strong>\u4e09\u7ef4\u91cd\u5efa<\/strong>\uff1a \u5728\u7535\u5f71\u5236\u4f5c\u548c\u6e38\u620f\u5f00\u53d1\u4e2d\uff0cNeRF\u53ef\u4ee5\u7528\u4e8e\u4ece\u73b0\u6709\u76842D\u56fe\u50cf\u4e2d\u91cd\u5efa\u51fa\u8be6\u7ec6\u76843D\u6a21\u578b\u3002<\/li>\n<li><strong>\u865a\u62df\u6444\u5f71<\/strong>\uff1a NeRF\u53ef\u4ee5\u7528\u4e8e\u521b\u5efa\u903c\u771f\u7684\u865a\u62df\u6444\u5f71\u573a\u666f\uff0c\u5141\u8bb8\u7528\u6237\u4ece\u4efb\u610f\u89d2\u5ea6\u67e5\u770b\u548c\u4ea4\u4e92\u3002<\/li>\n<li><strong>\u673a\u5668\u4eba\u5bfc\u822a<\/strong>\uff1a \u5728\u673a\u5668\u4eba\u9886\u57df\uff0cNeRF\u53ef\u4ee5\u7528\u4e8e\u63d0\u9ad8\u673a\u5668\u4eba\u7684\u73af\u5883\u611f\u77e5\u80fd\u529b\uff0c\u901a\u8fc7\u751f\u6210\u65b0\u7684\u89c6\u89d2\u6765\u8f85\u52a9\u5bfc\u822a\u548c\u51b3\u7b56\u3002<\/li>\n<\/ul>\n<h2>NeRF\u9762\u4e34\u7684\u6311\u6218<\/h2>\n<p>NeRF\uff08Neural Radiance Fields\uff09\u6280\u672f\u867d\u7136\u5728\u4e09\u7ef4\u573a\u666f\u91cd\u5efa\u548c\u65b0\u89c6\u89d2\u5408\u6210\u65b9\u9762\u53d6\u5f97\u4e86\u663e\u8457\u7684\u8fdb\u5c55\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u4ecd\u7136\u9762\u4e34\u7740\u4e00\u7cfb\u5217\u6311\u6218\uff1a<\/p>\n<ul>\n<li><strong>\u4e0d\u540c\u7684\u6210\u50cf\u539f\u7406<\/strong>\uff1aNeRF\u6280\u672f\u6700\u521d\u662f\u4e3a\u5904\u7406\u57fa\u4e8eRGB\u56fe\u50cf\u8bbe\u8ba1\u7684\uff0c\u8fd9\u4e9b\u56fe\u50cf\u901a\u8fc7\u53ef\u89c1\u5149\u6355\u83b7\u7269\u4f53\u7684\u5916\u90e8\u7279\u5f81\u3002\u7136\u800c\uff0c\u5728\u533b\u5b66\u6210\u50cf\u9886\u57df\uff0c\u5982X\u5c04\u7ebf\u6210\u50cf\uff0c\u6210\u50cf\u539f\u7406\u4e0e\u53ef\u89c1\u5149\u6210\u50cf\u6709\u672c\u8d28\u7684\u4e0d\u540c\u3002X\u5c04\u7ebf\u6210\u50cf\u7a7f\u900f\u7269\u4f53\u5e76\u8870\u51cf\uff0c\u4e3b\u8981\u63ed\u793a\u5185\u90e8\u7ed3\u6784\u3002NeRF\u9700\u8981\u9002\u5e94X\u5c04\u7ebf\u6210\u50cf\u7684\u72ec\u7279\u7279\u6027\uff0c\u53ef\u80fd\u9700\u8981\u5bf9\u7b97\u6cd5\u8fdb\u884c\u91cd\u5927\u8c03\u6574\u3002<\/li>\n<li><strong>\u9700\u8981\u8be6\u7ec6\u7684\u5185\u90e8\u7ed3\u6784<\/strong>\uff1a\u533b\u5b66\u56fe\u50cf\u9700\u8981\u9ad8\u5ea6\u8be6\u7ec6\u7684\u5185\u90e8\u7ed3\u6784\u6765\u51c6\u786e\u8868\u793a\u8eab\u4f53\u7684\u590d\u6742\u5185\u90e8\u7ed3\u6784\u3002NeRF\u5fc5\u987b\u80fd\u591f\u4ece2D\u56fe\u50cf\u4e2d\u6355\u6349\u8fd9\u4e9b\u7ec6\u8282\uff0c\u51c6\u786e\u6e32\u67d3\u590d\u6742\u7684\u5185\u90e8\u89e3\u5256\u7ed3\u6784\uff0c\u5982\u4e0d\u540c\u7c7b\u578b\u7ec4\u7ec7\u4e4b\u95f4\u7684\u7ec6\u5fae\u533a\u522b\u6216\u65e9\u671f\u75be\u75c5\u7684\u5fae\u5999\u5f02\u5e38\uff0c\u53ef\u80fd\u5177\u6709\u6311\u6218\u6027\u3002<\/li>\n<li><strong>\u7269\u4f53\u8fb9\u754c\u7684\u6a21\u7cca\u6027<\/strong>\uff1a\u533b\u5b66\u56fe\u50cf\u7ecf\u5e38\u9047\u5230\u4e0d\u540c\u7c7b\u578b\u7ec4\u7ec7\u4e4b\u95f4\u6216\u75c5\u7406\u7ec4\u7ec7\u4e0e\u5065\u5eb7\u7ec4\u7ec7\u4e4b\u95f4\u7684\u7269\u4f53\u8fb9\u754c\u6a21\u7cca\u95ee\u9898\u3002\u8fd9\u79cd\u8fb9\u754c\u5b9a\u4e49\u7684\u6a21\u7cca\u6027\u5bf9NeRF\u6784\u6210\u4e86\u91cd\u5927\u6311\u6218\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u6a21\u578b\u4f9d\u8d56\u4e8e\u89c6\u89c9\u6570\u636e\u4e2d\u7684\u6e05\u6670\u533a\u5206\u6765\u51c6\u786e\u91cd\u5efa3D\u7a7a\u95f4\u3002<\/li>\n<li><strong>\u989c\u8272\u5bc6\u5ea6\u7684\u91cd\u8981\u6027<\/strong>\uff1a\u5728\u533b\u5b66\u6210\u50cf\u4e2d\uff0c\u989c\u8272\u5bc6\u5ea6\u7684\u53d8\u5316\u53ef\u4ee5\u4f20\u8fbe\u5173\u952e\u4fe1\u606f\uff0c\u5982\u8840\u6d41\u7684\u5b58\u5728\u3001\u7ec4\u7ec7\u5bc6\u5ea6\u7684\u53d8\u5316\u6216\u9020\u5f71\u5242\u7684\u79ef\u7d2f\u3002NeRF\u5fc5\u987b\u9002\u5e94\u5e76\u51c6\u786e\u518d\u73b0\u8fd9\u4e9b\u989c\u8272\u5bc6\u5ea6\u53d8\u5316\uff0c\u5728\u5408\u6210\u76843D\u56fe\u50cf\u4e2d\u4f20\u8fbe\u6b63\u786e\u7684\u4fe1\u606f\u3002<\/li>\n<li><strong>\u8ba1\u7b97\u8d44\u6e90\u548c\u6269\u5c55\u6027<\/strong>\uff1aNeRF\u6a21\u578b\u9700\u8981\u5927\u91cf\u7684\u8ba1\u7b97\u8d44\u6e90\uff0c\u5728\u5904\u7406\u5927\u89c4\u6a21\u573a\u666f\u6216\u9ad8\u5206\u8fa8\u7387\u56fe\u50cf\u65f6\u3002\u9650\u5236\u4e86NeRF\u5728\u8d44\u6e90\u53d7\u9650\u7684\u73af\u5883\u4e2d\u7684\u5e94\u7528\uff0c\u53ef\u80fd\u5bfc\u81f4\u8bad\u7ec3\u548c\u6e32\u67d3\u65f6\u95f4\u8fc7\u957f\u3002<\/li>\n<\/ul>\n<h2>NeRF\u7684\u53d1\u5c55\u524d\u666f<\/h2>\n<p>NeRF\uff08Neural Radiance 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