{"id":59,"date":"2019-11-20T17:20:50","date_gmt":"2019-11-20T09:20:50","guid":{"rendered":"http:\/\/123.57.142.208\/?p=59"},"modified":"2019-11-20T17:20:50","modified_gmt":"2019-11-20T09:20:50","slug":"dl%e7%ac%94%e8%ae%b0%ef%bc%88%e4%b8%80%ef%bc%89","status":"publish","type":"post","link":"http:\/\/43.142.23.155\/?p=59","title":{"rendered":"DL-001-R-CNN"},"content":{"rendered":"<p style=\"margin: 0in; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: 20.0pt;\"><span lang=\"en-US\">2014#R-CNN<\/span><span lang=\"zh-CN\">\u5b66\u4e60\u7b14\u8bb0<\/span><\/p>\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 100%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-59 gallery-columns-1 gallery-size-full'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/43.142.23.155\/?attachment_id=60'><img loading=\"lazy\" decoding=\"async\" width=\"1669\" height=\"589\" src=\"http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/DYT17A@R1DMK@UQRRZ2G.png\" class=\"attachment-full size-full\" alt=\"\" srcset=\"http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/DYT17A@R1DMK@UQRRZ2G.png 1669w, http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/DYT17A@R1DMK@UQRRZ2G-300x106.png 300w, http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/DYT17A@R1DMK@UQRRZ2G-1024x361.png 1024w, http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/DYT17A@R1DMK@UQRRZ2G-768x271.png 768w, http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/DYT17A@R1DMK@UQRRZ2G-1536x542.png 1536w, http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/DYT17A@R1DMK@UQRRZ2G-1568x553.png 1568w\" sizes=\"auto, (max-width: 1669px) 100vw, 1669px\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"margin: 0in; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: 11.0pt;\">Region with CNN feature<\/p>\n<p>&nbsp;<\/p>\n<p><b>\u6574\u4f53\u601d\u8def<\/b>\uff1a\u5c06\u6574\u5f20\u56fe\u7247<b>\u5206\u5757<\/b>\u5904\u7406\uff0c\u5206\u5757\u7528<b>Alexnet<\/b>\u8bc6\u522b<\/p>\n<p>\u76f8\u5bf9\u4e8e\u4e4b\u524d\u7684<b>\u6539\u8fdb<\/b>\uff1a<\/p>\n<p>1.\u5206\u5757\u65b9\u5f0f\uff08ss\uff09<b>selective search <\/b><\/p>\n<p>2.\u7f3a\u4e4f\u5927\u91cf\u7684\u6807\u6ce8\u6570\u636e\u65f6\uff0c\u6bd4\u8f83\u597d\u7684\u53ef\u884c\u7684\u624b\u6bb5\u662f\uff0c\u8fdb\u884c\u795e\u7ecf\u7f51\u7edc\u7684\u8fc1\u79fb\u5b66\u4e60\uff0c\u91c7\u7528\u5728\u5176\u4ed6\u5927\u578b\u6570\u636e\u96c6\u8bad\u7ec3\u8fc7\u540e\u7684\u795e\u7ecf\u7f51\u7edc\uff0c\u7136\u540e\u5728\u5c0f\u89c4\u6a21\u7279\u5b9a\u7684\u6570\u636e\u96c6\u4e2d\u8fdb\u884c <b>fine-tune <\/b>\u5fae\u8c03\u3002<\/p>\n<p><b>\u6d41\u7a0b<\/b>\uff1a<\/p>\n<p>1.<b>\u751f\u6210\u5019\u9009\u533a\u57df <\/b>Region proposals.<\/p>\n<p>2.<b>\u7279\u5f81\u62bd\u53d6 <\/b>Feature extraction<\/p>\n<p>\u53d6\u4ee3\u6ed1\u52a8\u4f7f\u7528SS\u5212\u5206\u56fe\u7247\uff1b\u62bd\u53d6\u4e86\u4e00\u4e2a 4096 \u7ef4\u7684\u7279\u5f81\u5411\u91cf\uff0c\u91c7\u7528\u7684\u662f Alexnet\uff0c\u4f46\u662f\u7531\u4e8eAlexnet227*227\uff0c\u56fe\u7247\u66b4\u529b\u53d8\u5f62\uff1b\u4eba\u4e3a\u52a0P=16\u7684\u8fb9\u6846<\/p>\n<p>3.<b>\u76ee\u6807\u68c0\u6d4b <\/b><\/p>\n<p>\u5c06\u6bcf\u4e2a\u5019\u9009\u533a\u57df\u8fdb\u884c\u5c3a\u5bf8\u7684\u4fee\u6574\u53d8\u6362\uff0c\u9001\u8fdb\u795e\u7ecf\u7f51\u7edc\u4ee5\u8bfb\u53d6\u7279\u5f81\uff0c\u7136\u540e\u7528 SVM \u8fdb\u884c\u7c7b\u522b\u7684\u8bc6\u522b\uff0c\u5e76\u4ea7\u751f\u5206\u6570\u3002\u9488\u5bf9\u6bcf\u4e2a\u7c7b\uff0c\u901a\u8fc7\u8ba1\u7b97 IoU \u6307\u6807\uff0c\u91c7\u53d6\u975e\u6781\u5927\u6027\u6291\u5236\uff0c\u4ee5\u6700\u9ad8\u5206\u7684\u533a\u57df\u4e3a\u57fa\u7840\uff0c\u5254\u9664\u6389\u91cd\u53e0\u4f4d\u7f6e\u7684\u533a\u57df\u3002<\/p>\n<p>\u5019\u9009\u533a\u57df\u8f93\u5165CNN\u63d0\u53d6\u7279\u5f81\u5411\u91cf\u65f6\u4f1a\u4ea7\u751f\u56fe\u7247\u626d\u66f2\uff1a<\/p>\n<p>CNN\u4e2d\uff0cFC\u5c42\u7531\u4e8e\u795e\u7ecf\u5143\u7684\u6570\u91cf\u56fa\u5b9a\uff0c\u6b64\u65f6\u8f93\u5165\u56fe\u7247\u5927\u5c0f\u56fa\u5b9a\uff0c\u800c\u524d\u9762\u7684\u5377\u79ef\u5c42\u5e76\u65e0\u6b64\u9650\u5236<\/p>\n<p><b>Alexnet\u7ed3\u6784\u793a\u610f\u56fe<\/b><\/p>\n<p><b><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-61 size-full\" src=\"http:\/\/123.57.142.208\/wp-content\/uploads\/2019\/11\/MX_4WR1L@IK90VBU.png\" alt=\"\" width=\"1846\" height=\"599\" srcset=\"http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/MX_4WR1L@IK90VBU.png 1846w, http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/MX_4WR1L@IK90VBU-300x97.png 300w, http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/MX_4WR1L@IK90VBU-1024x332.png 1024w, http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/MX_4WR1L@IK90VBU-768x249.png 768w, http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/MX_4WR1L@IK90VBU-1536x498.png 1536w, http:\/\/43.142.23.155\/wp-content\/uploads\/2019\/11\/MX_4WR1L@IK90VBU-1568x509.png 1568w\" sizes=\"auto, (max-width: 1846px) 100vw, 1846px\" \/> <\/b><\/p>\n<p><b>\u5173\u4e8eSS\uff08selective search\uff09 <\/b><\/p>\n<p>\u5206\u5b50\u5757\u7684\u6700\u76f4\u63a5\u65b9\u6cd5\u53eb\u6ed1\u52a8\u7a97\u53e3\u6cd5\uff08sliding window approach\uff09\u3002<\/p>\n<p>\u6ed1\u52a8\u7a97\u53e3\u7684\u65b9\u6cd5\u5c31\u662f\u6309\u7167\u5b50\u5757\u7684\u5927\u5c0f\u5728\u6574\u5e45\u56fe\u50cf\u4e0a\u7a77\u4e3e\u6240\u6709\u5b50\u56fe\u50cf\u5757\uff0c\u6570\u636e\u91cf\u5de8\u5927\u3002<\/p>\n<p>SS\u662f\u53e6\u5916\u4e00\u7c7b\u57fa\u4e8e\u533a\u57df\uff08region proposal\uff09\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u5927\u81f4\u505a\u6cd5\uff1a<\/p>\n<p>step0\uff1a\u751f\u6210\u533a\u57df\u96c6R<\/p>\n<p>step1\uff1a\u8ba1\u7b97\u533a\u57df\u96c6R\u91cc\u6bcf\u4e2a\u76f8\u90bb\u533a\u57df\u7684\u76f8\u4f3c\u5ea6S={s1,s2,\u2026}<\/p>\n<p>step2\uff1a\u627e\u51fa\u76f8\u4f3c\u5ea6\u6700\u9ad8\u7684\u4e24\u4e2a\u533a\u57df\uff0c\u5c06\u5176\u5408\u5e76\u4e3a\u65b0\u96c6\uff0c\u6dfb\u52a0\u8fdbR<\/p>\n<p>step3\uff1a\u4eceS\u4e2d\u79fb\u9664\u6240\u6709\u4e0estep2\u4e2d\u6709\u5173\u7684\u5b50\u96c6<\/p>\n<p>step4\uff1a\u8ba1\u7b97\u65b0\u96c6\u4e0e\u6240\u6709\u5b50\u96c6\u7684\u76f8\u4f3c\u5ea6<\/p>\n<p>step5\uff1a\u8df3\u81f3step2\uff0c\u76f4\u81f3S\u4e3a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2014#R-CNN\u5b66\u4e60\u7b14\u8bb0 Region with CNN feature &nbsp; \u6574\u4f53\u601d\u8def\uff1a\u5c06\u6574\u5f20\u56fe\u7247\u5206\u5757\u5904\u7406\uff0c\u5206\u5757\u7528Alexnet\u8bc6\u522b \u76f8\u5bf9\u4e8e\u4e4b\u524d\u7684\u6539\u8fdb\uff1a 1.\u5206\u5757\u65b9\u5f0f\uff08ss\uff09select&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":108,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-59","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3"],"_links":{"self":[{"href":"http:\/\/43.142.23.155\/index.php?rest_route=\/wp\/v2\/posts\/59","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/43.142.23.155\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/43.142.23.155\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/43.142.23.155\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/43.142.23.155\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=59"}],"version-history":[{"count":0,"href":"http:\/\/43.142.23.155\/index.php?rest_route=\/wp\/v2\/posts\/59\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/43.142.23.155\/index.php?rest_route=\/wp\/v2\/media\/108"}],"wp:attachment":[{"href":"http:\/\/43.142.23.155\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=59"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/43.142.23.155\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=59"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/43.142.23.155\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=59"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}