{"id":282,"date":"2024-04-14T17:21:53","date_gmt":"2024-04-14T08:21:53","guid":{"rendered":"https:\/\/chocottopro.com\/?p=282"},"modified":"2024-04-26T11:05:34","modified_gmt":"2024-04-26T02:05:34","slug":"pytorch3d%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89-%e5%9f%ba%e7%a4%8e%e3%81%8b%e3%82%89%e5%ae%9f%e8%b7%b5%e7%9a%84%e3%81%aa3d%e3%82%a2%e3%83%97%e3%83%aa%e9%96%8b%e7%99%ba%e3%81%be%e3%81%a7","status":"publish","type":"post","link":"https:\/\/chocottopro.com\/?p=282","title":{"rendered":"PyTorch3D\u5b8c\u5168\u30ac\u30a4\u30c9 &#8211; 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class=\"sgb-box-simple__title\">\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3093\u3060\u3089\u308f\u304b\u308b\u3053\u3068<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ol class=\"wp-block-list\">\n<li>PyTorch3D\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u30683D\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u30b3\u30c4<\/li>\n\n\n\n<li>PyTorch3D\u3092\u4f7f\u3063\u305f3D\u7269\u4f53\u8a8d\u8b58\u30a2\u30d7\u30ea\u306e\u958b\u767a\u65b9\u6cd5<\/li>\n\n\n\n<li>3D\u518d\u69cb\u6210\u30843D\u30c7\u30fc\u30bf\u5897\u5f37\u3078\u306ePyTorch3D\u306e\u5fdc\u7528<\/li>\n\n\n\n<li>PyTorch3D\u3068\u30cb\u30e5\u30fc\u30e9\u30eb\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308b\u9ad8\u5ea6\u306a3D\u30d3\u30b8\u30e7\u30f3\u30bf\u30b9\u30af\u3078\u306e\u53d6\u308a\u7d44\u307f\u65b9<\/li>\n\n\n\n<li>\u6700\u65b0\u306e3D\u30d3\u30b8\u30e7\u30f3\u7814\u7a76\u52d5\u5411\u3068\u7523\u696d\u754c\u3067\u306ePyTorch3D\u6d3b\u7528\u4e8b\u4f8b<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/c7479301\/public_html\/chocottopro.com\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/c7479301\/public_html\/chocottopro.com\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/c7479301\/public_html\/chocottopro.com\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"Table of Contents\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">PyTorch3D\u3068\u306f\uff1f3D\u30d3\u30b8\u30e7\u30f3\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u7279\u5fb4\u3068\u5229\u70b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">PyTorch3D\u306e\u6982\u8981\u3068\u4e3b\u306a\u6a5f\u80fd<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">PyTorch3D\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8 \u2013 \u4ed6\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u6bd4\u8f03<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">PyTorch3D\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9 \u2013 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u51e6\u7406\u307e\u3067<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">PyTorch3D\u306e\u74b0\u5883\u8a2d\u5b9a\u3068\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-5\">3D\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u3068\u524d\u51e6\u7406\u306e\u30b3\u30c4<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">\u57fa\u672c\u7684\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3068API\u306e\u89e3\u8aac<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">PyTorch3D\u3092\u4f7f\u3063\u305f3D\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306e\u5b9f\u8df5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">3D\u7269\u4f53\u8a8d\u8b58\u30a2\u30d7\u30ea\u306e\u958b\u767a\u30b9\u30c6\u30c3\u30d7\u3068\u30b3\u30fc\u30c9\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-9\">3D\u518d\u69cb\u6210\u30bf\u30b9\u30af\u3078\u306ePyTorch3D\u306e\u5fdc\u7528<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-10\">3D\u30c7\u30fc\u30bf\u5897\u5f37\u3068\u30c9\u30e1\u30a4\u30f3\u9069\u5fdc\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-11\">\u767a\u5c55\u7684\u306aPyTorch3D\u306e\u4f7f\u3044\u65b9 \u2013 \u4e0a\u7d1a\u8005\u5411\u3051Tips &amp; Tricks<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-12\">PyTorch3D\u3068\u30cb\u30e5\u30fc\u30e9\u30eb\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u7d44\u307f\u5408\u308f\u305b<\/a>      <\/li>      <li>        <a href=\"#i-13\">\u5927\u898f\u6a21\u306a3D\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u9ad8\u901f\u5316\u306e\u30b3\u30c4<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-14\">PyTorch3D\u3092\u4f7f\u3063\u305f3D\u751f\u6210\u30e2\u30c7\u30eb\u306e\u5b9f\u88c5\u4f8b<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-15\">PyTorch3D\u306e\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u6d3b\u7528\u4e8b\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-16\">\u6700\u65b0\u306e3D\u30d3\u30b8\u30e7\u30f3\u7814\u7a76\u52d5\u5411\u3068PyTorch3D\u306e\u4f4d\u7f6e\u3065\u3051<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-17\">\u7523\u696d\u754c\u3067\u306ePyTorch3D\u6d3b\u7528\u4e8b\u4f8b\u3068\u5c06\u6765\u306e\u53ef\u80fd\u6027<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      \n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">PyTorch3D\u3068\u306f\uff1f3D\u30d3\u30b8\u30e7\u30f3\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u7279\u5fb4\u3068\u5229\u70b9<\/h2>\n\n\n\n<p>PyTorch3D\u306f\u3001Facebook AI Research\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305f\u3001PyTorch\u30d9\u30fc\u30b9\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b93D\u30d3\u30b8\u30e7\u30f3\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u30023D\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u30843D\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306b\u7279\u5316\u3057\u305f\u30c4\u30fc\u30eb\u3092\u63d0\u4f9b\u3057\u3001\u7814\u7a76\u8005\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u304c3D\u30d3\u30b8\u30e7\u30f3\u30bf\u30b9\u30af\u306b\u53d6\u308a\u7d44\u3080\u969b\u306b\u52b9\u7387\u7684\u3067\u4f7f\u3044\u3084\u3059\u3044\u74b0\u5883\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">PyTorch3D\u306e\u6982\u8981\u3068\u4e3b\u306a\u6a5f\u80fd<\/h3>\n\n\n\n<p>PyTorch3D\u306f\u30013D\u30d3\u30b8\u30e7\u30f3\u306b\u7279\u5316\u3057\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308a\u3001\u4ee5\u4e0b\u306e\u4e3b\u8981\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e1\u30c3\u30b7\u30e5\u51e6\u7406\uff1a3D\u30e1\u30c3\u30b7\u30e5\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u3001\u5909\u63db\u3001\u64cd\u4f5c\u3001\u5909\u5f62\u306a\u3069\u30013D\u30c7\u30fc\u30bf\u51e6\u7406\u306b\u5fc5\u8981\u306a\u57fa\u672c\u7684\u306a\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u30e1\u30c3\u30b7\u30e5\u306e\u8868\u73fe\u65b9\u6cd5\u3084\u64cd\u4f5c\u65b9\u6cd5\u306b\u95a2\u3059\u308b\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u304c\u8c4a\u5bcc\u306b\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u30013D\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406\u3084\u5909\u63db\u3092\u5bb9\u6613\u306b\u884c\u3048\u307e\u3059\u3002<\/li>\n\n\n\n<li>3D\u5909\u63db\uff1a3D\u7a7a\u9593\u3067\u306e\u525b\u4f53\u5909\u63db\u3084\u975e\u525b\u4f53\u5909\u63db\u3092\u6271\u3046\u305f\u3081\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3057\u30013D\u30c7\u30fc\u30bf\u306e\u64cd\u4f5c\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002\u56de\u8ee2\u3001\u5e73\u884c\u79fb\u52d5\u3001\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306a\u3069\u306e\u57fa\u672c\u7684\u306a\u5909\u63db\u304b\u3089\u3001\u3088\u308a\u8907\u96d1\u306a\u5909\u5f62\u307e\u3067\u3001\u69d8\u3005\u306a3D\u5909\u63db\u3092\u9069\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\uff1a3D\u30e1\u30c3\u30b7\u30e5\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u3092\u5099\u3048\u3001\u30c6\u30af\u30b9\u30c1\u30e3\u30de\u30c3\u30d4\u30f3\u30b0\u3084\u30e9\u30a4\u30c6\u30a3\u30f3\u30b0\u306e\u5236\u5fa1\u3082\u53ef\u80fd\u3067\u3059\u3002OpenGL\u30d9\u30fc\u30b9\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u63a1\u7528\u3057\u3066\u304a\u308a\u3001\u9ad8\u54c1\u8cea\u306a3D\u63cf\u753b\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>3D\u6a5f\u68b0\u5b66\u7fd2\uff1a3D\u30c7\u30fc\u30bf\u3092\u7528\u3044\u305f\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u306e\u69cb\u7bc9\u3084\u5b66\u7fd2\u306b\u5fc5\u8981\u306a\u30c4\u30fc\u30eb\u3092\u63d0\u4f9b\u3057\u30013D\u30d3\u30b8\u30e7\u30f3\u30bf\u30b9\u30af\u306e\u305f\u3081\u306e\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u3092\u652f\u63f4\u3057\u307e\u3059\u30023D\u7573\u307f\u8fbc\u307f\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u70b9\u7fa4\u51e6\u7406\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306a\u3069\u30013D\u30c7\u30fc\u30bf\u306b\u7279\u5316\u3057\u305f\u30e2\u30c7\u30eb\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">PyTorch3D\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8 \u2013 \u4ed6\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u6bd4\u8f03<\/h3>\n\n\n\n<p>PyTorch3D\u306f\u3001\u4ed6\u306e3D\u30d3\u30b8\u30e7\u30f3\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u6bd4\u8f03\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>PyTorch\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u89aa\u548c\u6027\uff1aPyTorch3D\u306fPyTorch\u3092\u57fa\u76e4\u3068\u3057\u3066\u3044\u308b\u305f\u3081\u3001PyTorch\u306e\u5404\u7a2e\u6a5f\u80fd\u3084\u30c4\u30fc\u30eb\u3068\u306e\u9023\u643a\u304c\u5bb9\u6613\u3067\u3059\u3002\u7279\u306b\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u9069\u3057\u3066\u304a\u308a\u3001PyTorch\u3067\u69cb\u7bc9\u3057\u305f\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u30923D\u30c7\u30fc\u30bf\u51e6\u7406\u3068\u7d71\u5408\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u67d4\u8edf\u6027\u3068\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6027\uff1aPyTorch3D\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3055\u308c\u305f\u8a2d\u8a08\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u72ec\u81ea\u306e3D\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u5b9f\u88c5\u3057\u3001\u65e2\u5b58\u306e\u6a5f\u80fd\u3068\u7d71\u5408\u3059\u308b\u3053\u3068\u304c\u5bb9\u6613\u3067\u3059\u3002\u307e\u305f\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5185\u90e8\u306e\u5b9f\u88c5\u3092\u78ba\u8a8d\u30fb\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6d3b\u767a\u306a\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\uff1aPyTorch3D\u306fFacebook AI Research\u3092\u4e2d\u5fc3\u306b\u3001\u6d3b\u767a\u306a\u958b\u767a\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3092\u6709\u3057\u3066\u3044\u307e\u3059\u3002\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30e1\u30f3\u30d0\u30fc\u306b\u3088\u308b\u7d99\u7d9a\u7684\u306a\u6539\u5584\u3084\u65b0\u6a5f\u80fd\u306e\u8ffd\u52a0\u304c\u884c\u308f\u308c\u3001\u6700\u65b0\u306e3D\u30d3\u30b8\u30e7\u30f3\u6280\u8853\u3092\u53d6\u308a\u5165\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30e1\u30ea\u30c3\u30c8\u306b\u3088\u308a\u3001PyTorch3D\u306f3D\u30d3\u30b8\u30e7\u30f3\u306e\u7814\u7a76\u958b\u767a\u306b\u5f93\u4e8b\u3059\u308b\u7814\u7a76\u8005\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u3001\u5f37\u529b\u304b\u3064\u4f7f\u3044\u3084\u3059\u3044\u30c4\u30fc\u30eb\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u8c4a\u5bcc\u306a\u6a5f\u80fd\u3068\u67d4\u8edf\u6027\u3092\u517c\u306d\u5099\u3048\u305fPyTorch3D\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u30013D\u30c7\u30fc\u30bf\u51e6\u7406\u30843D\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">PyTorch3D\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9 \u2013 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u51e6\u7406\u307e\u3067<\/h2>\n\n\n\n<p>PyTorch3D\u3092\u5229\u7528\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u74b0\u5883\u8a2d\u5b9a\u3068\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c\u30013D\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u3084\u524d\u51e6\u7406\u3001\u57fa\u672c\u7684\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3084API\u306e\u7406\u89e3\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001PyTorch3D\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u51e6\u7406\u307e\u3067\u3092\u9806\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">PyTorch3D\u306e\u74b0\u5883\u8a2d\u5b9a\u3068\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5<\/h3>\n\n\n\n<p>PyTorch3D\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u74b0\u5883\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Python 3.6\u4ee5\u4e0a<\/li>\n\n\n\n<li>PyTorch 1.4\u4ee5\u4e0a<\/li>\n\n\n\n<li>CUDA 10.1\u4ee5\u4e0a\uff08GPU\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u884c\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">pip install pytorch3d<\/pre>\n\n\n\n<p>GPU\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u4e8b\u524d\u306bCUDA\u3068cuDNN\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u304c\u5fc5\u8981\u3067\u3059\u3002\u8a73\u7d30\u306f\u3001PyTorch\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">3D\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u3068\u524d\u51e6\u7406\u306e\u30b3\u30c4<\/h3>\n\n\n\n<p>PyTorch3D\u3067\u306f\u30013D\u30c7\u30fc\u30bf\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>OBJ\u5f62\u5f0f\uff1a\u30e1\u30c3\u30b7\u30e5\u30c7\u30fc\u30bf\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306e\u4e00\u822c\u7684\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/li>\n\n\n\n<li>PLY\u5f62\u5f0f\uff1a\u70b9\u7fa4\u30c7\u30fc\u30bf\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306e\u4e00\u822c\u7684\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/li>\n\n\n\n<li>PCD\u5f62\u5f0f\uff1a\u70b9\u7fa4\u30c7\u30fc\u30bf\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306ePCL\uff08Point Cloud Library\uff09\u72ec\u81ea\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/li>\n<\/ul>\n\n\n\n<p>\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u306b\u306f\u3001PyTorch3D\u306e<code>io<\/code>\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001OBJ\u5f62\u5f0f\u306e\u30e1\u30c3\u30b7\u30e5\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">from pytorch3d.io import load_obj\n\nmesh = load_obj(\"path\/to\/mesh.obj\")<\/pre>\n\n\n\n<p>\u8aad\u307f\u8fbc\u3093\u3060\u30c7\u30fc\u30bf\u306f\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u524d\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30e1\u30c3\u30b7\u30e5\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u6cd5\u7dda\u8a08\u7b97\u3084\u30ea\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3092\u884c\u3063\u305f\u308a\u3001\u70b9\u7fa4\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u30c0\u30a6\u30f3\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3084\u30ce\u30a4\u30ba\u9664\u53bb\u3092\u884c\u3063\u305f\u308a\u3057\u307e\u3059\u3002PyTorch3D\u306b\u306f\u3001\u3053\u308c\u3089\u306e\u524d\u51e6\u7406\u3092\u884c\u3046\u305f\u3081\u306e\u5404\u7a2e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u57fa\u672c\u7684\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3068API\u306e\u89e3\u8aac<\/h3>\n\n\n\n<p>PyTorch3D\u3067\u306f\u30013D\u30c7\u30fc\u30bf\u3092\u6271\u3046\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>Meshes<\/code>\uff1a\u4e09\u89d2\u5f62\u30e1\u30c3\u30b7\u30e5\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u69cb\u9020<\/li>\n\n\n\n<li><code>Pointclouds<\/code>\uff1a\u70b9\u7fa4\u30c7\u30fc\u30bf\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u69cb\u9020<\/li>\n\n\n\n<li><code>Cameras<\/code>\uff1a\u30ab\u30e1\u30e9\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u69cb\u9020<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306b\u3001PyTorch3D\u306f\u5404\u7a2e\u306eAPI\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<code>Meshes<\/code>\u30af\u30e9\u30b9\u306b\u306f\u3001\u30e1\u30c3\u30b7\u30e5\u306e\u9802\u70b9\u5ea7\u6a19\u3084\u30c6\u30af\u30b9\u30c1\u30e3\u5ea7\u6a19\u3092\u53d6\u5f97\u30fb\u8a2d\u5b9a\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001PyTorch3D\u306b\u306f\u30013D\u5909\u63db\uff08\u56de\u8ee2\u3001\u5e73\u884c\u79fb\u52d5\u3001\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306a\u3069\uff09\u3092\u884c\u3046\u305f\u3081\u306e<code>transforms<\/code>\u30e2\u30b8\u30e5\u30fc\u30eb\u3084\u30013D\u30c7\u30fc\u30bf\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u884c\u3046\u305f\u3081\u306e<code>renderer<\/code>\u30e2\u30b8\u30e5\u30fc\u30eb\u306a\u3069\u3082\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3084API\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001PyTorch3D\u3092\u7528\u3044\u305f3D\u30c7\u30fc\u30bf\u51e6\u7406\u30843D\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u884c\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u53c2\u7167\u3057\u306a\u304c\u3089\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u30de\u30b9\u30bf\u30fc\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-7\">PyTorch3D\u3092\u4f7f\u3063\u305f3D\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306e\u5b9f\u8df5<\/h2>\n\n\n\n<p>PyTorch3D\u306f\u30013D\u30d3\u30b8\u30e7\u30f3\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u306b\u5e83\u304f\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001PyTorch3D\u3092\u4f7f\u3063\u305f3D\u7269\u4f53\u8a8d\u8b58\u30a2\u30d7\u30ea\u306e\u958b\u767a\u30b9\u30c6\u30c3\u30d7\u30013D\u518d\u69cb\u6210\u30bf\u30b9\u30af\u3078\u306e\u5fdc\u7528\u3001\u305d\u3057\u30663D\u30c7\u30fc\u30bf\u5897\u5f37\u3068\u30c9\u30e1\u30a4\u30f3\u9069\u5fdc\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">3D\u7269\u4f53\u8a8d\u8b58\u30a2\u30d7\u30ea\u306e\u958b\u767a\u30b9\u30c6\u30c3\u30d7\u3068\u30b3\u30fc\u30c9\u4f8b<\/h3>\n\n\n\n<p>PyTorch3D\u3092\u4f7f\u3063\u305f3D\u7269\u4f53\u8a8d\u8b58\u30a2\u30d7\u30ea\u306e\u958b\u767a\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u306e\u6e96\u5099\uff1a3D\u7269\u4f53\u306e\u30e1\u30c3\u30b7\u30e5\u30c7\u30fc\u30bf\u3084\u30dd\u30a4\u30f3\u30c8\u30af\u30e9\u30a6\u30c9\u30c7\u30fc\u30bf\u3092\u7528\u610f\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406\uff1a3D\u30c7\u30fc\u30bf\u3092\u6b63\u898f\u5316\u3057\u3001\u30c7\u30fc\u30bf\u30ed\u30fc\u30c0\u30fc\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u306e\u5b9a\u7fa9\uff1aPyTorch3D\u306e\u6a5f\u80fd\u3092\u6d3b\u7528\u3057\u30013D\u7269\u4f53\u8a8d\u8b58\u7528\u306e\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5b66\u7fd2\u306e\u5b9f\u884c\uff1a\u7528\u610f\u3057\u305f\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u3066\u30e2\u30c7\u30eb\u3092\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8a55\u4fa1\u3068\u63a8\u8ad6\uff1a\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u3092\u4f7f\u3063\u3066\u3001\u65b0\u3057\u30443D\u30c7\u30fc\u30bf\u306b\u5bfe\u3059\u308b\u7269\u4f53\u8a8d\u8b58\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001PyTorch3D\u3092\u4f7f\u3063\u305f3D\u7269\u4f53\u8a8d\u8b58\u30e2\u30c7\u30eb\u306e\u5b9a\u7fa9\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import torch\nfrom pytorch3d.ops import sample_points_from_meshes\nfrom pytorch3d.structures import Meshes\n\nclass PointNetClassifier(torch.nn.Module):\n    def __init__(self, num_classes):\n        super().__init__()\n        self.encoder = torch.nn.Sequential(\n            torch.nn.Linear(3, 64),\n            torch.nn.ReLU(),\n            torch.nn.Linear(64, 128),\n            torch.nn.ReLU(),\n            torch.nn.Linear(128, 1024),\n            torch.nn.ReLU(),\n        )\n        self.classifier = torch.nn.Sequential(\n            torch.nn.Linear(1024, 512),\n            torch.nn.ReLU(),\n            torch.nn.Linear(512, 256),\n            torch.nn.ReLU(),\n            torch.nn.Linear(256, num_classes),\n        )\n\n    def forward(self, meshes):\n        points = sample_points_from_meshes(meshes, num_samples=1000)\n        features = self.encoder(points)\n        pooled_features, _ = torch.max(features, dim=1)\n        return self.classifier(pooled_features)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">3D\u518d\u69cb\u6210\u30bf\u30b9\u30af\u3078\u306ePyTorch3D\u306e\u5fdc\u7528<\/h3>\n\n\n\n<p>PyTorch3D\u306f\u30013D\u518d\u69cb\u6210\u30bf\u30b9\u30af\u306b\u3082\u52b9\u679c\u7684\u306b\u9069\u7528\u3067\u304d\u307e\u3059\u30023D\u518d\u69cb\u6210\u3068\u306f\u30012D\u753b\u50cf\u304b\u30893D\u30e2\u30c7\u30eb\u3092\u5fa9\u5143\u3059\u308b\u30bf\u30b9\u30af\u3067\u3059\u3002PyTorch3D\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a3D\u518d\u69cb\u6210\u306e\u624b\u6cd5\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f7f\u3063\u305f3D\u5f62\u72b6\u306e\u63a8\u5b9a<\/li>\n\n\n\n<li>3D\u30e1\u30c3\u30b7\u30e5\u306e\u5909\u5f62\u3092\u7528\u3044\u305f3D\u5f62\u72b6\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u30c6\u30af\u30b9\u30c1\u30e3\u60c5\u5831\u3092\u8003\u616e\u3057\u305f3D\u518d\u69cb\u6210<\/li>\n<\/ol>\n\n\n\n<p>PyTorch3D\u306e<code>Meshes<\/code>\u3084<code>Pointclouds<\/code>\u30c7\u30fc\u30bf\u69cb\u9020\u3001\u305d\u3057\u3066\u5fae\u5206\u53ef\u80fd\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6a5f\u80fd\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e3D\u518d\u69cb\u6210\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">3D\u30c7\u30fc\u30bf\u5897\u5f37\u3068\u30c9\u30e1\u30a4\u30f3\u9069\u5fdc\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>3D\u30d3\u30b8\u30e7\u30f3\u30bf\u30b9\u30af\u3067\u306f\u3001\u3057\u3070\u3057\u3070\u30c7\u30fc\u30bf\u4e0d\u8db3\u3084\u3001\u5b66\u7fd2\u30c7\u30fc\u30bf\u3068\u9069\u7528\u5148\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u30df\u30b9\u30de\u30c3\u30c1\u304c\u554f\u984c\u306b\u306a\u308a\u307e\u3059\u3002PyTorch3D\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a3D\u30c7\u30fc\u30bf\u5897\u5f37\u3068\u30c9\u30e1\u30a4\u30f3\u9069\u5fdc\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>3D\u30c7\u30fc\u30bf\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u56de\u8ee2\u3001\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3001\u30b8\u30c3\u30bf\u30fc\u4ed8\u4e0e<\/li>\n\n\n\n<li>3D\u30e1\u30c3\u30b7\u30e5\u306e\u5909\u5f62\u3092\u7528\u3044\u305f\u30c7\u30fc\u30bf\u5897\u5f37<\/li>\n\n\n\n<li>\u30c9\u30e1\u30a4\u30f3\u9593\u306e3D\u5f62\u72b6\u306e\u5909\u63db\u3092\u5b66\u7fd2\u3059\u308b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5229\u7528<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u9650\u3089\u308c\u305f3D\u30c7\u30fc\u30bf\u304b\u3089\u3067\u3082\u3001\u30ed\u30d0\u30b9\u30c8\u3067\u6c4e\u5316\u6027\u80fd\u306e\u9ad8\u30443D\u30d3\u30b8\u30e7\u30f3\u30e2\u30c7\u30eb\u3092\u5b66\u7fd2\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u306e\u3088\u3046\u306b\u3001PyTorch3D\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u30013D\u7269\u4f53\u8a8d\u8b58\u30013D\u518d\u69cb\u6210\u3001\u30c7\u30fc\u30bf\u5897\u5f37\u306a\u3069\u3001\u69d8\u3005\u306a3D\u30d3\u30b8\u30e7\u30f3\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u52b9\u679c\u7684\u306b\u958b\u767a\u3067\u304d\u307e\u3059\u3002\u305c\u3072PyTorch3D\u306e\u6a5f\u80fd\u3092\u63a2\u6c42\u3057\u3001\u72ec\u81ea\u306e3D\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306b\u5f79\u7acb\u3066\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-11\">\u767a\u5c55\u7684\u306aPyTorch3D\u306e\u4f7f\u3044\u65b9 \u2013 \u4e0a\u7d1a\u8005\u5411\u3051Tips &amp; Tricks<\/h2>\n\n\n\n<p>PyTorch3D\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u3088\u308a\u9ad8\u5ea6\u306a3D\u30d3\u30b8\u30e7\u30f3\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001PyTorch3D\u3068\u30cb\u30e5\u30fc\u30e9\u30eb\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u7d44\u307f\u5408\u308f\u305b\u3001\u5927\u898f\u6a21\u306a3D\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u9ad8\u901f\u5316\u306e\u30b3\u30c4\u3001\u305d\u3057\u3066PyTorch3D\u3092\u4f7f\u3063\u305f3D\u751f\u6210\u30e2\u30c7\u30eb\u306e\u5b9f\u88c5\u4f8b\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">PyTorch3D\u3068\u30cb\u30e5\u30fc\u30e9\u30eb\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u7d44\u307f\u5408\u308f\u305b<\/h3>\n\n\n\n<p>\u30cb\u30e5\u30fc\u30e9\u30eb\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306f\u3001\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f7f\u3063\u30663D\u30b7\u30fc\u30f3\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u6280\u8853\u3067\u3059\u3002PyTorch3D\u3068\u30cb\u30e5\u30fc\u30e9\u30eb\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u9ad8\u5ea6\u306a3D\u30d3\u30b8\u30e7\u30f3\u30bf\u30b9\u30af\u306b\u53d6\u308a\u7d44\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30cb\u30e5\u30fc\u30e9\u30eb\u30c6\u30af\u30b9\u30c1\u30e3\u8ee2\u5199\uff1a\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f7f\u3063\u3066\u3001\u3042\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30c6\u30af\u30b9\u30c1\u30e3\u3092\u5225\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u8ee2\u5199\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u30cb\u30e5\u30fc\u30e9\u30eb3D\u518d\u69cb\u6210\uff1a\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f7f\u3063\u3066\u30012D\u753b\u50cf\u304b\u30893D\u30e2\u30c7\u30eb\u3092\u5fa9\u5143\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u30cb\u30e5\u30fc\u30e9\u30eb3D\u30b9\u30bf\u30a4\u30eb\u8ee2\u5199\uff1a\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f7f\u3063\u3066\u3001\u3042\u308b3D\u30e2\u30c7\u30eb\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5225\u306e3D\u30e2\u30c7\u30eb\u306b\u8ee2\u5199\u3059\u308b\u3002<\/li>\n<\/ol>\n\n\n\n<p>PyTorch3D\u306e\u5fae\u5206\u53ef\u80fd\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6a5f\u80fd\u3068\u3001PyTorch\u306e\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u7bc9\u6a5f\u80fd\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u306e\u9ad8\u5ea6\u306a\u30bf\u30b9\u30af\u3092\u52b9\u679c\u7684\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u5927\u898f\u6a21\u306a3D\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u9ad8\u901f\u5316\u306e\u30b3\u30c4<\/h3>\n\n\n\n<p>\u5927\u898f\u6a21\u306a3D\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u30e2\u30c7\u30eb\u3092\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3059\u308b\u969b\u306b\u306f\u3001\u8a08\u7b97\u30ea\u30bd\u30fc\u30b9\u3084\u6642\u9593\u306e\u5236\u7d04\u304c\u554f\u984c\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002PyTorch3D\u3092\u4f7f\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u9ad8\u901f\u5316\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u306e\u4e26\u5217\u51e6\u7406\uff1aPyTorch3D\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u6d3b\u7528\u3057\u3001\u8907\u6570\u306eGPU\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u3092\u4e26\u5217\u51e6\u7406\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044\u30c7\u30fc\u30bf\u30ed\u30fc\u30c0\u30fc\u306e\u4f7f\u7528\uff1aPyTorch3D\u306e\u30c7\u30fc\u30bf\u30ed\u30fc\u30c0\u30fc\u3092\u6700\u9069\u5316\u3057\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u524a\u6e1b\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u9069\u5fdc\u7684\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u306e\u8abf\u6574\uff1a\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u3092\u52d5\u7684\u306b\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u3001\u5229\u7528\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u306b\u5fdc\u3058\u3066\u6700\u5927\u9650\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5f15\u304d\u51fa\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5927\u898f\u6a21\u306a3D\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u3063\u305f\u30e2\u30c7\u30eb\u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3092\u9ad8\u901f\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">PyTorch3D\u3092\u4f7f\u3063\u305f3D\u751f\u6210\u30e2\u30c7\u30eb\u306e\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>PyTorch3D\u306f\u30013D\u751f\u6210\u30e2\u30c7\u30eb\u306e\u5b9f\u88c5\u306b\u3082\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u5909\u5206\u30aa\u30fc\u30c8\u30a8\u30f3\u30b3\u30fc\u30c0\uff08VAE\uff09\u3092\u4f7f\u3063\u305f3D\u30e1\u30c3\u30b7\u30e5\u751f\u6210\u30e2\u30c7\u30eb\u306e\u5b9f\u88c5\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import torch\nfrom pytorch3d.structures import Meshes\nfrom pytorch3d.loss import chamfer_distance\n\nclass MeshVAE(torch.nn.Module):\n    def __init__(self, latent_dim):\n        super().__init__()\n        self.encoder = torch.nn.Sequential(\n            torch.nn.Conv1d(3, 64, 1),\n            torch.nn.ReLU(),\n            torch.nn.Conv1d(64, 128, 1),\n            torch.nn.ReLU(),\n            torch.nn.Conv1d(128, 256, 1),\n            torch.nn.ReLU(),\n            torch.nn.Conv1d(256, latent_dim, 1),\n        )\n        self.decoder = torch.nn.Sequential(\n            torch.nn.Conv1d(latent_dim, 256, 1),\n            torch.nn.ReLU(),\n            torch.nn.Conv1d(256, 128, 1),\n            torch.nn.ReLU(),\n            torch.nn.Conv1d(128, 64, 1),\n            torch.nn.ReLU(),\n            torch.nn.Conv1d(64, 3, 1),\n        )\n\n    def forward(self, meshes):\n        batch_size = meshes.num_meshes\n        x = meshes.verts_packed()\n        z_mu = self.encoder(x.transpose(1, 2))\n        z_var = torch.exp(self.encoder(x.transpose(1, 2)))\n        z = self.reparameterize(z_mu, z_var)\n        x_recon = self.decoder(z).transpose(1, 2)\n        meshes_recon = Meshes(\n            verts=x_recon.view(batch_size, -1, 3),\n            faces=meshes.faces_packed().view(batch_size, -1, 3),\n        )\n        return z_mu, z_var, meshes_recon\n\n    def reparameterize(self, z_mu, z_var):\n        eps = torch.randn_like(z_var)\n        z = z_mu + eps * torch.sqrt(z_var)\n        return z\n\n    def loss(self, meshes, meshes_recon, z_mu, z_var):\n        recon_loss = chamfer_distance(meshes, meshes_recon)\n        kl_loss = -0.5 * torch.sum(1 + torch.log(z_var) - z_mu.pow(2) - z_var)\n        return recon_loss + kl_loss<\/pre>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306bPyTorch3D\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u30013D\u30e1\u30c3\u30b7\u30e5\u306e\u751f\u6210\u30e2\u30c7\u30eb\u3092\u7c21\u6f54\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002PyTorch3D\u304c\u63d0\u4f9b\u3059\u308b\u5404\u7a2e\u306e\u640d\u5931\u95a2\u6570\u3084\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u95a2\u6570\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u9ad8\u5ea6\u306a3D\u751f\u6210\u30e2\u30c7\u30eb\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u3001PyTorch3D\u306e\u767a\u5c55\u7684\u306a\u4f7f\u3044\u65b9\u3068\u3057\u3066\u3001\u30cb\u30e5\u30fc\u30e9\u30eb\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u9ad8\u901f\u5316\u30013D\u751f\u6210\u30e2\u30c7\u30eb\u306e\u5b9f\u88c5\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002PyTorch3D\u306b\u306f\u3001\u307e\u3060\u307e\u3060\u591a\u304f\u306e\u53ef\u80fd\u6027\u304c\u79d8\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u305c\u3072\u3001\u3053\u308c\u3089\u306e\u4e0a\u7d1a\u8005\u5411\u3051\u306eTips &amp; Tricks\u3092\u53c2\u8003\u306b\u3001PyTorch3D\u3092\u4f7f\u3044\u3053\u306a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-15\">PyTorch3D\u306e\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u6d3b\u7528\u4e8b\u4f8b<\/h2>\n\n\n\n<p>PyTorch3D\u306f\u30013D\u30d3\u30b8\u30e7\u30f3\u5206\u91ce\u306e\u767a\u5c55\u306b\u5927\u304d\u304f\u8ca2\u732e\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u6700\u65b0\u306e3D\u30d3\u30b8\u30e7\u30f3\u7814\u7a76\u52d5\u5411\u306b\u304a\u3051\u308bPyTorch3D\u306e\u4f4d\u7f6e\u3065\u3051\u3068\u3001\u7523\u696d\u754c\u3067\u306ePyTorch3D\u6d3b\u7528\u4e8b\u4f8b\u304a\u3088\u3073\u5c06\u6765\u306e\u53ef\u80fd\u6027\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">\u6700\u65b0\u306e3D\u30d3\u30b8\u30e7\u30f3\u7814\u7a76\u52d5\u5411\u3068PyTorch3D\u306e\u4f4d\u7f6e\u3065\u3051<\/h3>\n\n\n\n<p>3D\u30d3\u30b8\u30e7\u30f3\u5206\u91ce\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6700\u65b0\u306e\u7814\u7a76\u30c8\u30d4\u30c3\u30af\u304c\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>3D\u70b9\u7fa4\u306e\u30bb\u30de\u30f3\u30c6\u30a3\u30c3\u30af\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\uff1a3D\u70b9\u7fa4\u30c7\u30fc\u30bf\u3092\u610f\u5473\u306e\u3042\u308b\u9818\u57df\u306b\u5206\u5272\u3059\u308b\u6280\u8853\u3002<\/li>\n\n\n\n<li>3D\u7269\u4f53\u691c\u51fa\uff1a3D\u30b7\u30fc\u30f3\u5185\u306e\u7279\u5b9a\u306e\u7269\u4f53\u3092\u691c\u51fa\u3057\u3001\u305d\u306e\u4f4d\u7f6e\u3068\u59ff\u52e2\u3092\u63a8\u5b9a\u3059\u308b\u6280\u8853\u3002<\/li>\n\n\n\n<li>3D\u30b7\u30fc\u30f3\u7406\u89e3\uff1a3D\u7a7a\u9593\u5185\u306e\u7269\u4f53\u306e\u95a2\u4fc2\u6027\u3084\u6587\u8108\u3092\u7406\u89e3\u3059\u308b\u6280\u8853\u3002<\/li>\n\n\n\n<li>3D\u751f\u6210\u30e2\u30c7\u30eb\uff1aGAN\u3084VAE\u3092\u4f7f\u3063\u3066\u3001\u30ea\u30a2\u30eb\u306a3D\u30e2\u30c7\u30eb\u3092\u751f\u6210\u3059\u308b\u6280\u8853\u3002<\/li>\n<\/ol>\n\n\n\n<p>PyTorch3D\u306f\u3001\u3053\u308c\u3089\u306e\u6700\u65b0\u7814\u7a76\u3092\u652f\u3048\u308b\u91cd\u8981\u306a\u30c4\u30fc\u30eb\u3068\u3057\u3066\u4f4d\u7f6e\u3065\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002PyTorch3D\u304c\u63d0\u4f9b\u3059\u308b\u67d4\u8edf\u306a3D\u30c7\u30fc\u30bf\u69cb\u9020\u3084\u3001\u5fae\u5206\u53ef\u80fd\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6a5f\u80fd\u3001\u5404\u7a2e\u306e\u640d\u5931\u95a2\u6570\u306a\u3069\u306f\u3001\u7814\u7a76\u8005\u304c\u65b0\u3057\u3044\u30a2\u30a4\u30c7\u30a2\u3092\u7d20\u65e9\u304f\u5b9f\u88c5\u3057\u3001\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306e\u5f37\u529b\u306a\u57fa\u76e4\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u969b\u306b\u3001\u591a\u304f\u306e\u6700\u65b0\u306e3D\u30d3\u30b8\u30e7\u30f3\u7814\u7a76\u3067PyTorch3D\u304c\u6d3b\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u8ca2\u732e\u5ea6\u306f\u5e74\u3005\u9ad8\u307e\u3063\u3066\u3044\u307e\u3059\u3002PyTorch3D\u306f\u30013D\u30d3\u30b8\u30e7\u30f3\u5206\u91ce\u306e\u767a\u5c55\u3092\u52a0\u901f\u3059\u308b\u91cd\u8981\u306a\u30c4\u30fc\u30eb\u3068\u3057\u3066\u3001\u4eca\u5f8c\u3082\u305d\u306e\u5b58\u5728\u611f\u3092\u5897\u3057\u3066\u3044\u304f\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 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