{"id":5598,"date":"2024-11-10T09:18:56","date_gmt":"2024-11-10T01:18:56","guid":{"rendered":"https:\/\/www.dv-asia.com\/blog\/?p=5598"},"modified":"2024-11-10T09:37:11","modified_gmt":"2024-11-10T01:37:11","slug":"%e9%87%8d%e5%bb%ba3d%e6%a8%a1%e5%9e%8b%e7%9a%84%e6%96%b0%e9%81%b8%e6%93%87%ef%bc%9aphotogrammetry-vs-gaussian-splatting","status":"publish","type":"post","link":"https:\/\/www.dv-asia.com\/blog\/?p=5598","title":{"rendered":"\u91cd\u5efa3D\u6a21\u578b\u7684\u65b0\u9078\u64c7\uff1aPhotogrammetry vs. Gaussian Splatting"},"content":{"rendered":"\n<p>\u8fd1\u5e74\u4f86\uff0c3D \u6a21\u578b\u91cd\u5efa\u6280\u8853\u65e5\u65b0\u6708\u7570\uff0c\u5176\u4e2d<strong>\u651d\u5f71\u6e2c\u91cf\u6cd5 (Photogrammetry)<\/strong>\u00a0\u548c\u00a0<strong>\u9ad8\u65af\u6563\u5c04 (Gaussian Splatting)<\/strong>\u00a0\u5169\u5927\u6280\u8853\u5728\u696d\u754c\u5099\u53d7\u95dc\u6ce8\u3002\u9019\u5169\u7a2e\u65b9\u6cd5\u90fd\u4ee52D\u5f71\u50cf\u70ba\u57fa\u790e\uff0c\u4f46\u5176\u539f\u7406\u548c\u7522\u51fa\u7684\u6a21\u578b\u54c1\u8cea\u537b\u6709\u8457\u986f\u8457\u5dee\u7570\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u50b3\u7d71\u651d\u5f71\u6e2c\u91cf\u6cd5\uff1a\u7cbe\u6e96\u91cd\u5efa\u7684\u57fa\u77f3<\/strong><\/h3>\n\n\n\n<p>\u50b3\u7d71\u7684\u651d\u5f71\u6e2c\u91cf\u6cd5\uff0c\u900f\u904e\u591a\u5f35\u5f9e\u4e0d\u540c\u89d2\u5ea6\u62cd\u651d\u76842D\u5f71\u50cf\uff0c\u7d93\u904e\u4e00\u7cfb\u5217\u7684\u8a08\u7b97\u548c\u8655\u7406\uff0c\u91cd\u5efa\u51fa\u7cbe\u78ba\u76843D\u6a21\u578b\u3002\u9019\u500b\u904e\u7a0b\u53ef\u4ee5\u7c21\u55ae\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u5f71\u50cf\u64f7\u53d6 (Image Acquisition):<\/strong>\u00a0\u4f7f\u7528\u76f8\u6a5f\u6216\u651d\u5f71\u6a5f\u5f9e\u4e0d\u540c\u89d2\u5ea6\u62cd\u651d\u76ee\u6a19\u7269\u9ad4\u6216\u5834\u666f\u3002<\/li><li><strong>\u7279\u5fb5\u63d0\u53d6 (Feature Extraction):<\/strong>\u00a0\u5f9e\u5f71\u50cf\u4e2d\u63d0\u53d6\u95dc\u9375\u9ede\uff08\u5982\u89d2\u9ede\u3001\u908a\u7de3\uff09\uff0c\u9019\u4e9b\u9ede\u662f\u91cd\u5efa\u7684\u57fa\u790e\u3002<\/li><li><strong>\u5f71\u50cf\u5339\u914d (Image Matching):<\/strong>\u00a0\u627e\u51fa\u4e0d\u540c\u5f71\u50cf\u4e2d\u5c0d\u61c9\u7684\u95dc\u9375\u9ede\uff0c\u5efa\u7acb\u9ede\u8207\u9ede\u4e4b\u9593\u7684\u95dc\u806f\u3002<\/li><li><strong>3D\u91cd\u5efa (3D Reconstruction):<\/strong>\u00a0\u57fa\u65bc\u5339\u914d\u7684\u95dc\u9375\u9ede\uff0c\u5229\u7528\u4e09\u89d2\u6e2c\u91cf\u7b49\u65b9\u6cd5\u8a08\u7b97\u51fa3D\u7a7a\u9593\u4e2d\u7684\u9ede\u5ea7\u6a19\uff0c\u5f62\u6210\u5bc6\u96c6\u7684\u9ede\u96f2\u3002<\/li><li><strong>\u7db2\u683c\u5316\u8207\u7d0b\u7406\u5316 (Meshing and Texturing):<\/strong>\u00a0\u5c07\u9ede\u96f2\u8f49\u63db\u70ba\u9023\u7e8c\u7684\u4e09\u89d2\u5f62\u7db2\u683c\uff0c\u4e26\u5c07\u5f71\u50cf\u7684\u7d0b\u7406\u8cc7\u8a0a\u6620\u5c04\u5230\u7db2\u683c\u4e0a\uff0c\u5f62\u6210\u5b8c\u6574\u7684 3D \u6a21\u578b\u3002<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"408\" src=\"https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/3-1024x408.png\" alt=\"\" class=\"wp-image-5754\" srcset=\"https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/3-1024x408.png 1024w, https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/3-960x382.png 960w, https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/3.png 1512w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5716\u7247\u4f86\u6e90:<a href=\"https:\/\/alicevision.org\/\">https:\/\/alicevision.org\/<\/a><\/p>\n\n\n\n<p><strong>\u50b3\u7d71\u651d\u5f71\u6e2c\u91cf\u6cd5\u7684\u512a\u52e2<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u7cbe\u78ba\u5ea6\u9ad8:<\/strong>\u00a0\u80fd\u5920\u91cd\u5efa\u51fa\u9ad8\u7cbe\u5ea6\u76843D\u6a21\u578b\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5efa\u7bc9\u6e2c\u91cf\u3001\u6587\u7269\u4fdd\u5b58\u7b49\u9818\u57df\u3002<\/li><li><strong>\u6210\u719f\u7a69\u5b9a\u7684\u6280\u8853:<\/strong>\u00a0\u7d93\u904e\u591a\u5e74\u7684\u767c\u5c55\uff0c\u6280\u8853\u76f8\u5c0d\u6210\u719f\u3002<\/li><\/ul>\n\n\n\n<p><strong>\u50b3\u7d71\u651d\u5f71\u6e2c\u91cf\u6cd5\u7684\u9650\u5236<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u8a08\u7b97\u6210\u672c\u9ad8:<\/strong>\u00a0\u7279\u5225\u662f\u5c0d\u65bc\u5927\u578b\u5834\u666f\u6216\u9ad8\u89e3\u6790\u5ea6\u5f71\u50cf\uff0c\u8a08\u7b97\u91cf\u5de8\u5927\u3002<\/li><li><strong>\u5c0d\u5f71\u50cf\u54c1\u8cea\u8981\u6c42\u9ad8:<\/strong>\u00a0\u5f71\u50cf\u4e2d\u7684\u96dc\u8a0a\u3001\u6a21\u7cca\u7b49\u56e0\u7d20\u6703\u5f71\u97ff\u91cd\u5efa\u7d50\u679c\u3002<\/li><li>*\u7d30\u7bc0\u8655\u7406\u56f0\u96e3:**\u5c0d\u65bc\u7d30\u7bc0\u8c50\u5bcc\u6216\u7d0b\u7406\u8f03\u5c11\u7684\u5340\u57df\uff0c\u91cd\u5efa\u6548\u679c\u53ef\u80fd\u4e0d\u4f73\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u9ad8\u65af\u6563\u5c04\uff1a\u5be6\u6642\u6e32\u67d3\u7684\u672a\u4f86<\/strong><\/h3>\n\n\n\n<p>\u9ad8\u65af\u6563\u5c04\u5247\u662f\u4e00\u7a2e\u65b0\u8208\u7684\u6280\u8853\uff0c\u5b83\u5229\u7528\u6df1\u5ea6\u5b78\u7fd2\uff0c\u7279\u5225\u662f\u795e\u7d93\u7db2\u7d61\uff0c\u4f86\u5be6\u73fe\u66f4\u5feb\u901f\u3001\u66f4\u9ad8\u6548\u76843D\u91cd\u5efa\u3002\u5176\u5de5\u4f5c\u539f\u7406\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u5f71\u50cf\u8f38\u5165 (Image Input):<\/strong>\u00a0\u5c07\u591a\u5f35\u5f71\u50cf\u8f38\u5165\u5230\u9810\u8a13\u7df4\u7684\u795e\u7d93\u7db2\u7d61\u4e2d\u3002<\/li><li><strong>\u7279\u5fb5\u63d0\u53d6 (Feature Extraction):<\/strong>\u00a0\u795e\u7d93\u7db2\u7d61\u63d0\u53d6\u5f71\u50cf\u4e2d\u7684\u6df1\u5c64\u7279\u5fb5\uff0c\u5982\u908a\u7de3\u3001\u7d0b\u7406\u3001\u6df1\u5ea6\u7b49\u3002<\/li><li><strong>\u9ede\u96f2\u751f\u6210 (Point Cloud Generation):<\/strong>\u00a0\u795e\u7d93\u7db2\u7d61\u751f\u6210\u4e00\u500b\u7a00\u758f\u7684\u9ede\u96f2\uff0c\u4ee3\u8868\u5834\u666f\u7684\u95dc\u9375\u9ede\u3002<\/li><li><strong>\u795e\u7d93\u7db2\u7d61\u6e32\u67d3 (Neural Network Rendering):<\/strong>\u00a0\u795e\u7d93\u7db2\u7d61\u76f4\u63a5\u5f9e\u9ede\u96f2\u6e32\u67d3\u51fa3D\u5834\u666f\uff0c\u5be6\u73fe\u5be6\u6642\u4e92\u52d5\u3002<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1647\" height=\"967\" src=\"https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/1-1024x601.png\" alt=\"\" class=\"wp-image-5751\" srcset=\"https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/1-1024x601.png 1024w, https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/1-920x540.png 920w, https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/1-1536x902.png 1536w, https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/1.png 1647w\" sizes=\"auto, (max-width: 1647px) 100vw, 1647px\" \/><\/figure>\n\n\n\n<p>\u5716\u7247\u4f86\u6e90:<a href=\"https:\/\/github.com\/graphdeco-inria\/gaussian-splatting\">https:\/\/github.com\/graphdeco-inria\/gaussian-splatting<\/a><\/p>\n\n\n\n<p><strong>\u9ad8\u65af\u6563\u5c04\u7684\u512a\u52e2<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u5be6\u6642\u6e32\u67d3:<\/strong>\u00a0\u80fd\u5920\u5feb\u901f\u6e32\u67d3\u8907\u96dc\u76843D\u5834\u666f\uff0c\u5be6\u73fe\u865b\u5be6\u7d50\u5408\u7684\u4e92\u52d5\u9ad4\u9a57\u3002<\/li><li><strong>\u9ad8\u54c1\u8cea:<\/strong>\u00a0\u5373\u4f7f\u5728\u5f71\u50cf\u54c1\u8cea\u4e0d\u4f73\u7684\u60c5\u6cc1\u4e0b\uff0c\u4e5f\u80fd\u751f\u6210\u9ad8\u54c1\u8cea\u76843D\u6a21\u578b\u3002<\/li><li><strong>\u53ef\u64f4\u5c55\u6027\u5f37:<\/strong>\u00a0\u53ef\u4ee5\u8655\u7406\u5404\u7a2e\u8907\u96dc\u7684\u5834\u666f\u548c\u7269\u9ad4\u3002<\/li><\/ul>\n\n\n\n<p><strong>\u9ad8\u65af\u6563\u5c04\u7684\u9650\u5236<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u5c0d\u8a13\u7df4\u6578\u64da\u4f9d\u8cf4\u6027\u5f37:<\/strong>\u00a0\u9700\u8981\u5927\u91cf\u7684\u8a13\u7df4\u6578\u64da\u624d\u80fd\u7372\u5f97\u826f\u597d\u7684\u6548\u679c\u3002<\/li><li><strong>\u6a21\u578b\u8907\u96dc\u5ea6\u9ad8:<\/strong>\u00a0\u795e\u7d93\u7db2\u7d61\u7684\u8a2d\u8a08\u548c\u8a13\u7df4\u9700\u8981\u5c08\u696d\u77e5\u8b58\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Houdini \u4e2d\u7684 Gaussian Splatting<\/strong><\/h3>\n\n\n\n<p>\u70ba\u4e86\u66f4\u65b9\u4fbf\u5730\u61c9\u7528 Gaussian Splatting \u6280\u8853\uff0c\u4e00\u4e9b\u958b\u767c\u8005\u5df2\u7d93\u958b\u767c\u4e86\u76f8\u61c9\u7684\u5de5\u5177\u3002\u4f8b\u5982\uff0cGSOPS \u662f\u4e00\u6b3e\u70ba Houdini \u8edf\u9ad4\u6253\u9020\u7684\u63d2\u4ef6\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u76f4\u89c0\u7684\u64cd\u4f5c\u754c\u9762\u548c\u66f4\u591a\u7684\u529f\u80fd\uff0c\u8b93\u85dd\u8853\u5bb6\u548c\u6280\u8853\u4eba\u54e1\u80fd\u5920\u66f4\u8f15\u9b06\u5730\u5275\u5efa\u9ad8\u54c1\u8cea\u76843D\u5167\u5bb9\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"550\" src=\"https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/2-1024x550.png\" alt=\"\" class=\"wp-image-5752\" srcset=\"https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/2-1024x550.png 1024w, https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/2-960x516.png 960w, https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/2-1536x825.png 1536w, https:\/\/www.dv-asia.com\/blog\/wp-content\/uploads\/2024\/11\/2.png 1685w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5716\u7247\u4f86\u6e90:<a href=\"https:\/\/github.com\/david-rhodes\/GSOPs\">https:\/\/github.com\/david-rhodes\/GSOPs<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7e3d\u7d50<\/strong><\/h3>\n\n\n\n<p>\u50b3\u7d71\u651d\u5f71\u6e2c\u91cf\u6cd5\u548c\u9ad8\u65af\u6563\u5c04\u5404\u6709\u512a\u52e2\uff0c\u4e5f\u5404\u6709\u9069\u7528\u5834\u5408\u3002\u50b3\u7d71\u651d\u5f71\u6e2c\u91cf\u6cd5\u5728\u7cbe\u78ba\u5ea6\u548c\u7a69\u5b9a\u6027\u65b9\u9762\u8868\u73fe\u51fa\u8272\uff0c\u800c\u9ad8\u65af\u6563\u5c04\u5247\u5728\u5be6\u6642\u6e32\u67d3\u548c\u9748\u6d3b\u6027\u65b9\u9762\u5177\u6709\u512a\u52e2\u3002\u96a8\u8457\u6df1\u5ea6\u5b78\u7fd2\u6280\u8853\u7684\u5feb\u901f\u767c\u5c55\uff0c\u9ad8\u65af\u6563\u5c04\u6709\u671b\u6210\u70ba\u672a\u4f863D\u91cd\u5efa\u7684\u4e3b\u6d41\u6280\u8853\uff0c\u70ba\u865b\u64ec\u73fe\u5be6\u3001\u589e\u5f37\u73fe\u5be6\u7b49\u9818\u57df\u5e36\u4f86\u66f4\u591a\u7684\u53ef\u80fd\u6027\u3002<\/p>\n\n\n\n<p><strong>\u672a\u4f86\u5c55\u671b<\/strong><\/p>\n\n\n\n<p>\u96a8\u8457\u786c\u9ad4\u6027\u80fd\u7684\u63d0\u5347\u548c\u6df1\u5ea6\u5b78\u7fd2\u6280\u8853\u7684\u9032\u4e00\u6b65\u767c\u5c55\uff0c\u6211\u5011\u53ef\u4ee5\u9810\u898b\uff0c\u672a\u4f86\u7684\u9ad8\u65af\u6563\u5c04\u6280\u8853\u5c07\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\u53d6\u5f97\u7a81\u7834\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u66f4\u5feb\u7684\u6e32\u67d3\u901f\u5ea6:<\/strong>\u00a0\u5be6\u73fe\u6beb\u79d2\u7d1a\u7684\u6e32\u67d3\uff0c\u70ba\u865b\u64ec\u73fe\u5be6\u63d0\u4f9b\u66f4\u6d41\u66a2\u7684\u9ad4\u9a57\u3002<\/li><li><strong>\u66f4\u7cbe\u7d30\u7684\u7d30\u7bc0:<\/strong>\u00a0\u6355\u6349\u66f4\u5fae\u5c0f\u7684\u7d30\u7bc0\uff0c\u751f\u6210\u66f4\u52a0\u903c\u771f\u76843D\u6a21\u578b\u3002<\/li><li><strong>\u66f4\u5ee3\u6cdb\u7684\u61c9\u7528:<\/strong>\u00a0\u5728\u5efa\u7bc9\u3001\u904a\u6232\u3001\u96fb\u5f71\u7b49\u9818\u57df\u5f97\u5230\u66f4\u5ee3\u6cdb\u7684\u61c9\u7528\u3002<\/li><\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"\u8fd1\u5e74\u4f86\uff0c3D \u6a21\u578b\u91cd\u5efa\u6280\u8853\u65e5\u65b0\u6708\u7570\uff0c\u5176\u4e2d\u651d\u5f71\u6e2c \n<a class=\"moretag\" href=\"https:\/\/www.dv-asia.com\/blog\/?p=5598\"> 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