{"id":409,"date":"2023-08-10T17:17:41","date_gmt":"2023-08-10T09:17:41","guid":{"rendered":"http:\/\/8.154.33.202\/?p=409"},"modified":"2023-08-10T17:25:11","modified_gmt":"2023-08-10T09:25:11","slug":"petr%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"http:\/\/8.154.33.202\/?p=409","title":{"rendered":"petr\u5b66\u4e60"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"208\" src=\"http:\/\/8.154.33.202\/wp-content\/uploads\/2023\/08\/image-1-1024x208.png\" alt=\"\" class=\"wp-image-411\" srcset=\"http:\/\/8.154.33.202\/wp-content\/uploads\/2023\/08\/image-1-1024x208.png 1024w, http:\/\/8.154.33.202\/wp-content\/uploads\/2023\/08\/image-1-300x61.png 300w, http:\/\/8.154.33.202\/wp-content\/uploads\/2023\/08\/image-1-768x156.png 768w, http:\/\/8.154.33.202\/wp-content\/uploads\/2023\/08\/image-1.png 1038w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><figcaption>petr\u548c\u5176\u5b83\u57fa\u4e8etransformer\u76ee\u6807\u68c0\u6d4b\u6a21\u578b\u7684\u67b6\u6784\u5bf9\u6bd4<\/figcaption><\/figure>\n\n\n\n<p>petr\u6a21\u578b\u7684\u67b6\u6784\u4e0edetr\u6a21\u578b\u57fa\u672c\u4e00\u81f4\uff0c\u6574\u4f53\u7b80\u6d01\u4f18\u96c5\uff0c\u907f\u514d\u4e86detr3d\u7684\u4e00\u4e9b\u8f83\u4e3a\u590d\u6742\u7684\u6d41\u7a0b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1022\" height=\"452\" src=\"http:\/\/8.154.33.202\/wp-content\/uploads\/2023\/08\/image-2.png\" alt=\"\" class=\"wp-image-412\" srcset=\"http:\/\/8.154.33.202\/wp-content\/uploads\/2023\/08\/image-2.png 1022w, http:\/\/8.154.33.202\/wp-content\/uploads\/2023\/08\/image-2-300x133.png 300w, http:\/\/8.154.33.202\/wp-content\/uploads\/2023\/08\/image-2-768x340.png 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p>petr\u6a21\u578b\u9996\u5148\u662f\u4f7f\u7528\u5982resnet\u3001vovnet\u7b49backbone\u63d0\u53d6\u56fe\u50cf2d\u7279\u5f81\uff0c\u7136\u540e\u4e0e\u751f\u6210\u76843d\u5750\u6807\u4e00\u8d77\u8fdb\u5165encoder\uff0cencoder\u7684\u7ed3\u679c\u4e0eobject query\u4e00\u8d77\u8fdb\u5165decoder\uff0cdecoder\u7684\u8f93\u51fa\u7ecf\u8fc7\u5206\u7c7b\u548c\u56de\u5f52\u7684head\u5f97\u5230bbox\u3002<\/p>\n\n\n\n<p>3d \u5750\u6807\u7684\u751f\u6210\uff1a\u5c06\u56fe\u50cf\u5750\u6807\u7cfb\u7a7a\u95f4\uff0c\u5206\u6210\u5c3a\u5bf8\u4e3a(Wf, Hf, D)\u7684meshgrid\uff0cmeshgrid\u7684\u70b9\u7684\u5750\u6807\u53ef\u4ee5\u8868\u793a\u4e3a(u \u00d7 d, v \u00d7 d, d)\u3002meshgrid\u7ecf\u8fc7\u4e0e\u76f8\u673a\u5185\u5916\u4fa7\u5f97\u5230\u7684\u77e9\u9635\u76f8\u4e58\uff0c\u6295\u5f71\u52303d\u4e16\u754c\u5750\u6807\u7cfb\uff0c\u5c06\u5728\u4e16\u754c\u5750\u6807\u7cfb\u4e0b\u7684meshgrid\u7684\u70b9\uff0c\u6839\u636e\u68c0\u6d4b\u7684roi\u533a\u57df\u8fdb\u884c\u5f52\u4e00\u5316\u3002\u5c31\u662f\u751f\u6210\u76843d\u5750\u6807\u3002<\/p>\n\n\n\n<p>3D position encoder\uff0c\u5c063d\u5750\u6807\uff0c\u7ecf\u8fc7\u4e00\u4e2amlp\uff0c\u5f97\u5230position embedding\uff0c\u4e0e2d feature\u7ecf\u8fc7\u4e00\u4e2a1&#215;1\u5377\u79ef\u540e\u76f8\u52a0\uff0c\u5f97\u52303d position-aware feature\u3002<\/p>\n\n\n\n<p>3d object query\uff1apetr\u662f\u521d\u59cb\u5316\u4e86\u57283d\u5750\u6807\u7cfb\u4e0b\u4ece0\u52301\u5747\u5300\u5206\u5e03\u7684\u53ef\u5b66\u4e60\u7684\u4e00\u7ec4anchor points\uff0c\u7136\u540eanchor points\u7684\u5750\u6807\u7ecf\u8fc7\u4e00\u4e2amlp\uff0c\u5f97\u5230object query\u3002\u7136\u540e\u8bad\u7ec3\u65f6\u4f1a\u66f4\u65b0\u8fd9\u4e9banchor points<\/p>\n","protected":false},"excerpt":{"rendered":"<p>petr\u6a21\u578b\u7684\u67b6\u6784\u4e0edetr\u6a21\u578b\u57fa\u672c\u4e00\u81f4\uff0c\u6574\u4f53\u7b80\u6d01\u4f18\u96c5\uff0c\u907f\u514d\u4e86detr3d\u7684\u4e00\u4e9b\u8f83\u4e3a\u590d\u6742\u7684\u6d41\u7a0b\u3002 petr\u6a21\u578b &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/8.154.33.202\/?p=409\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201cpetr\u5b66\u4e60\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-409","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/posts\/409"}],"collection":[{"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/8.154.33.202\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=409"}],"version-history":[{"count":3,"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/posts\/409\/revisions"}],"predecessor-version":[{"id":415,"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/posts\/409\/revisions\/415"}],"wp:attachment":[{"href":"http:\/\/8.154.33.202\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/8.154.33.202\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=409"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/8.154.33.202\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}