{"id":3362,"date":"2020-03-25T13:06:31","date_gmt":"2020-03-25T05:06:31","guid":{"rendered":"http:\/\/www.sniper97.cn\/?p=3362"},"modified":"2020-03-25T13:06:31","modified_gmt":"2020-03-25T05:06:31","slug":"%e3%80%90%e5%90%b4%e6%81%a9%e8%be%be%e6%b7%b1%e5%ba%a6%e5%ad%a6%e4%b9%a0%e3%80%91%e7%89%b9%e6%ae%8a%e5%ba%94%e7%94%a8%ef%bc%9a%e4%ba%ba%e8%84%b8%e8%af%86%e5%88%ab%e5%92%8c%e7%a5%9e%e7%bb%8f%e9%a3%8e","status":"publish","type":"post","link":"http:\/\/www.sniper97.cn\/index.php\/note\/deep-learning\/3362\/","title":{"rendered":"\u3010\u5434\u6069\u8fbe\u6df1\u5ea6\u5b66\u4e60\u3011\u7279\u6b8a\u5e94\u7528\uff1a\u4eba\u8138\u8bc6\u522b\u548c\u795e\u7ecf\u98ce\u683c\u8f6c\u6362"},"content":{"rendered":"\n<p>\u5434\u6069\u8fbe\u6df1\u5ea6\u5b66\u4e60\u7b2c\u56db\u5468\u7b2c\u56db\u8bfe\uff1a \u7279\u6b8a\u5e94\u7528\uff1a\u4eba\u8138\u8bc6\u522b\u548c\u795e\u7ecf\u98ce\u683c\u8f6c\u6362<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"357\" height=\"227\" src=\"\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-171.png\" alt=\"\" class=\"wp-image-3370\" srcset=\"http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-171.png 357w, http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-171-300x191.png 300w\" sizes=\"(max-width: 357px) 100vw, 357px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\">1.One-Shot\u5b66\u4e60<\/h2>\n\n\n<p>\u4eba\u8138\u8bc6\u522b\u6709\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\u6211\u4eec\u5b9e\u9645\u4e0a\u8bad\u7ec3\u96c6\u5f88\u5c0f\uff0c\u56e0\u4e3a\u6211\u4eec\u4e0d\u53ef\u80fd\u8ba9\u6bcf\u4e00\u4e2a\u4eba\u8138\u90fd\u8fdb\u884c\u8bad\u7ec3\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u95ee\u9898\u8f6c\u6362\u6210\u4e00\u4e2a\u4eba\u8138\u5339\u914d\u95ee\u9898\uff0c\u5373\u5f53\u524d\u4eba\u8138\u4e0e\u6570\u636e\u5e93\u4e2d\u7684\u4eba\u8138\u662f\u5426\u4e3a\u4e00\u4e2a\u4eba\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">2.Siamese\u7f51\u7edc<\/h2>\n\n\n<p>\u6211\u4eec\u4f7f\u7528\u4e00\u4e2a\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\u6765\u83b7\u53d6\u4eba\u8138\u7279\u5f81\uff1a<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"317\" src=\"\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-164.png\" alt=\"\" class=\"wp-image-3363\" srcset=\"http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-164.png 600w, http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-164-300x159.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<p>\u6700\u540e\u5982\u679c\u7279\u5f81\u5f88\u9760\u8fd1\u6216\u8005\u8bf4\u4e00\u6837\uff0c\u90a3\u4e48\u5c31\u8bf4\u660e\u662f\u4e00\u4e2a\u4eba\uff0c\u53cd\u4e4b\u5c31\u4e0d\u662f\u4e00\u4e2a\u4eba\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">3.Triplet\u635f\u5931<\/h2>\n\n\n<p>\u56e0\u4e3a\u6211\u4eec\u9700\u8981\u8bad\u7ec3\u7f51\u7edc\u68c0\u6d4b\u662f\u5426\u662f\u4e00\u4e2a\u4eba\uff0c\u56e0\u6b64\u6211\u4eec\u4f7f\u7528\u5982\u4e0b\u4e09\u5143\u7ec4\u6765\u8fdb\u884c\u7f51\u7edc\u8bad\u7ec3<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"616\" height=\"236\" src=\"\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-165.png\" alt=\"\" class=\"wp-image-3364\" srcset=\"http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-165.png 616w, http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-165-300x115.png 300w\" sizes=\"(max-width: 616px) 100vw, 616px\" \/><\/figure><\/div>\n\n\n<p>\u6211\u4eec\u5b9a\u4e49\u635f\u5931\u5982\u4e0b\uff1a<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"http:\/\/www.ai-start.com\/dl2017\/images\/eadc17c7748d8d2c36d74fa95e317e0d.png\" alt=\"\"\/><\/figure><\/div>\n\n\n<p>\u5176\u4e2dalpha\u4e3a\u8d85\u53c2\u3002<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"542\" height=\"216\" src=\"\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-166.png\" alt=\"\" class=\"wp-image-3365\" srcset=\"http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-166.png 542w, http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-166-300x120.png 300w\" sizes=\"(max-width: 542px) 100vw, 542px\" \/><\/figure><\/div>\n\n\n<p>\u6211\u4eec\u5e94\u8be5\u5c3d\u53ef\u80fd\u5730\u4f7f\u6b63\u5411\u4ee3\u4ef7\u5c0f\u4e8e\u8d1f\u5411\u548c\u591a\u4e00\u4e9b\uff0c\u56e0\u6b64\u901a\u5e38alpha\u90fd\u5927\u4e8e0.2\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">4.\u4eba\u8138\u9a8c\u8bc1\u4e0e\u4e8c\u5206\u7c7b<\/h2>\n\n\n<p> \u4ecb\u7ecd\u4e00\u79cd\u4e0d\u540c\u4e8eTriplet loss\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n<p>\u6211\u4eec\u76f4\u63a5\u4f7f\u7528\u4e00\u4e2a\u4e8c\u5206\u7c7b\u795e\u7ecf\u7f51\u7edc\u6765\u5224\u65ad\u8fd9\u4e24\u5f20\u56fe\u7247\u662f\u5426\u662f\u540c\u4e00\u4e2a\u4eba\u3002<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"604\" height=\"216\" src=\"\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-167.png\" alt=\"\" class=\"wp-image-3366\" srcset=\"http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-167.png 604w, http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-167-300x107.png 300w\" sizes=\"(max-width: 604px) 100vw, 604px\" \/><\/figure><\/div>\n\n\n<p>\u56e0\u6b64\uff0c\u8fd9\u6837\u6211\u4eec\u4e5f\u5c31\u4e0d\u7528\u5b58\u50a8\u6bcf\u4e00\u5f20\u5458\u5de5\u56fe\u7247\uff0c\u53ea\u9700\u8981\u5b58\u50a8\u6700\u540e\u7684\u7279\u5f81\u5411\u91cf\uff0c\u7136\u540e\u8ba1\u7b97\u68c0\u6d4b\u56fe\u7247\u7684\u5411\u91cf\u8fdb\u884c\u795e\u7ecf\u7f51\u7edc\u6700\u540e\u4e00\u6b65\u5373\u53ef\u3002<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"633\" height=\"252\" src=\"\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-168.png\" alt=\"\" class=\"wp-image-3367\" srcset=\"http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-168.png 633w, http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-168-300x119.png 300w\" sizes=\"(max-width: 633px) 100vw, 633px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u6d4b\u9a8c<\/h2>\n\n\n<p><strong>1. \u9762\u90e8\u9a8c\u8bc1\u53ea\u9700\u8981\u5c06\u65b0\u56fe\u7247\u4e0e1\u4e2a\u4eba\u7684\u9762\u90e8\u8fdb\u884c\u6bd4\u8f83\uff0c\u800c\u9762\u90e8\u8bc6\u522b\u5219\u9700\u8981\u5c06\u65b0\u56fe\u7247\u4e0e<\/strong><em><strong>K<\/strong><\/em><strong>\u4e2a\u4eba\u7684\u9762\u90e8\u8fdb\u884c\u6bd4\u8f83\u3002 <\/strong><\/p>\n\n\n<p>\u6b63\u786e\u3002<\/p>\n\n\n<p><strong>2. \u5728\u4eba\u8138\u9a8c\u8bc1\u4e2d\u51fd\u6570<\/strong><em><strong>d<\/strong><\/em><strong>(<\/strong><em><strong>img<\/strong><\/em><strong>1,<\/strong><em><strong>img<\/strong><\/em><strong>2)\u8d77\u4ec0\u4e48\u4f5c\u7528\uff1f <\/strong><\/p>\n\n\n<ol><li> \u53ea\u9700\u8981\u7ed9\u51fa\u4e00\u4e2a\u4eba\u7684\u56fe\u7247\u5c31\u53ef\u4ee5\u8ba9\u7f51\u7edc\u8ba4\u8bc6\u8fd9\u4e2a\u4eba\u3002 <\/li><li> \u4e3a\u4e86\u89e3\u51b3\u4e00\u6b21\u5b66\u4e60\u7684\u95ee\u9898\u3002 <\/li><li> \u8fd9\u53ef\u4ee5\u8ba9\u6211\u4eec\u4f7f\u7528softmax\u51fd\u6570\u6765\u5b66\u4e60\u9884\u6d4b\u4e00\u4e2a\u4eba\u7684\u8eab\u4efd\uff0c\u5728\u8fd9\u4e2a\u5355\u5143\u4e2d\u5206\u7c7b\u7684\u6570\u91cf\u7b49\u4e8e\u6570\u636e\u5e93\u4e2d\u7684\u4eba\u7684\u6570\u91cf\u52a01\u3002 <\/li><\/ol>\n\n\n<p>1\uff0c2\u3002<\/p>\n\n\n<p><strong>3. \u4e3a\u4e86\u8bad\u7ec3\u4eba\u8138\u8bc6\u522b\u7cfb\u7edf\u7684\u53c2\u6570\uff0c\u4f7f\u7528\u5305\u542b\u4e8610\u4e07\u4e2a\u4e0d\u540c\u7684\u4eba\u768410\u4e07\u5f20\u56fe\u7247\u7684\u6570\u636e\u96c6\u8fdb\u884c\u8bad\u7ec3\u662f\u5408\u7406\u7684\u3002 <\/strong><\/p>\n\n\n<p>\u9519\u8bef\u3002<\/p>\n\n\n<p><strong>4. \u4e0b\u9762\u54ea\u4e2a\u662f\u4e09\u5143\u7ec4\u635f\u5931\u7684\u6b63\u786e\u5b9a\u4e49\uff08\u8bf7\u628a <\/strong><em><strong>\u03b1<\/strong><\/em><strong>\u4e5f\u8003\u8651\u8fdb\u53bb\uff09\uff1f <\/strong><\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"429\" height=\"37\" src=\"\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-173.png\" alt=\"\" class=\"wp-image-3372\" srcset=\"http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-173.png 429w, http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-173-300x26.png 300w\" sizes=\"(max-width: 429px) 100vw, 429px\" \/><\/figure><\/div>\n\n\n<p><strong>5. \u5728\u4e0b\u56fe\u4e2d\u7684\u5b6a\u751f\u5377\u79ef\u7f51\u7edc(Siamese network)\u7ed3\u6784\u56fe\u4e2d\uff0c\u4e0a\u4e0b\u4e24\u4e2a\u795e\u7ecf\u7f51\u7edc\u62e5\u6709\u4e0d\u540c\u7684\u8f93\u5165\u56fe\u50cf\uff0c\u4f46\u662f\u5176\u4e2d\u7684\u7f51\u7edc\u53c2\u6570\u662f\u5b8c\u5168\u76f8\u540c\u7684\u3002 <\/strong><\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"942\" height=\"308\" src=\"\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-174.png\" alt=\"\" class=\"wp-image-3373\" srcset=\"http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-174.png 942w, http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-174-300x98.png 300w, http:\/\/www.sniper97.cn\/wp-content\/uploads\/2020\/03\/\u56fe\u7247-174-768x251.png 768w\" sizes=\"(max-width: 942px) 100vw, 942px\" \/><\/figure><\/div>\n\n\n<p>\u6b63\u786e\u3002<\/p>\n\n\n<p><strong>6.\u4f60\u5728\u4e00\u4e2a\u62e5\u6709100\u79cd\u4e0d\u540c\u7684\u5206\u7c7b\u7684\u6570\u636e\u96c6\u4e0a\u8bad\u7ec3\u4e00\u4e2a\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff0c\u4f60\u60f3\u8981\u77e5\u9053\u662f\u5426\u80fd\u591f\u627e\u5230\u4e00\u4e2a\u5bf9\u732b\u7684\u56fe\u7247\u5f88\u654f\u611f\u7684\u9690\u85cf\u8282\u70b9\uff08\u5373\u5728\u80fd\u591f\u5f3a\u70c8\u6fc0\u6d3b\u8be5\u8282\u70b9\u7684\u56fe\u50cf\u5927\u591a\u6570\u90fd\u662f\u732b\u7684\u56fe\u7247\u7684\u8282\u70b9\uff09\uff0c\u4f60\u66f4\u6709\u53ef\u80fd\u5728\u7b2c4\u5c42\u627e\u5230\u8be5\u8282\u70b9\u800c\u4e0d\u662f\u5728\u7b2c1\u5c42\u66f4\u6709\u53ef\u80fd\u627e\u5230\u3002<\/strong><\/p>\n\n\n<p>\u6b63\u786e\u3002<\/p>\n\n\n<p><strong>7. \u795e\u7ecf\u98ce\u683c\u8f6c\u6362\u88ab\u8bad\u7ec3\u4e3a\u6709\u76d1\u7763\u7684\u5b66\u4e60\u4efb\u52a1\uff0c\u5176\u4e2d\u7684\u76ee\u6807\u662f\u8f93\u5165\u4e24\u4e2a\u56fe\u50cf (<\/strong><em><strong>x<\/strong><\/em><strong>)\uff0c\u5e76\u8bad\u7ec3\u4e00\u4e2a\u80fd\u591f\u8f93\u51fa\u4e00\u4e2a\u65b0\u7684\u5408\u6210\u56fe\u50cf(<\/strong><em><strong>y<\/strong><\/em><strong>)\u7684\u7f51\u7edc\u3002 <\/strong><\/p>\n\n\n<p>\u9519\u8bef\u3002\uff08\u4e0d\u662f\u6709\u76d1\u7763\uff09<\/p>\n\n\n<p><strong>8.\u5728\u4e00\u4e2a\u5377\u79ef\u7f51\u7edc\u7684\u6df1\u5c42\uff0c\u6bcf\u4e2a\u901a\u9053\u5bf9\u5e94\u4e00\u4e2a\u4e0d\u540c\u7684\u7279\u5f81\u68c0\u6d4b\u5668\uff0c\u98ce\u683c\u77e9\u9635<\/strong><em><strong>G<\/strong><\/em><strong>[<\/strong><em><strong>l<\/strong><\/em><strong>]\u5ea6\u91cf\u4e86<\/strong><em><strong>l<\/strong><\/em><strong>\u5c42\u4e2d\u4e0d\u540c\u7684\u7279\u5f81\u63a2\u6d4b\u5668\u7684\u6fc0\u6d3b\uff08\u6216\u76f8\u5173\uff09\u7a0b\u5ea6\u3002 <\/strong><\/p>\n\n\n<p>\u6b63\u786e\u3002<\/p>\n\n\n<p><strong>9. \u5728\u795e\u7ecf\u98ce\u683c\u8f6c\u6362\u4e2d\uff0c\u5728\u4f18\u5316\u7b97\u6cd5\u7684\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u66f4\u65b0\u7684\u662f\u4ec0\u4e48\uff1f <\/strong><\/p>\n\n\n<ol><li> \u795e\u7ecf\u7f51\u7edc\u7684\u53c2\u6570 <\/li><li> \u751f\u6210\u56fe\u50cf<em>G<\/em>\u7684\u50cf\u7d20\u503c   <\/li><li> \u6b63\u5219\u5316\u53c2\u6570 <\/li><li> \u5185\u5bb9\u56fe\u50cf<em>C<\/em>\u7684\u50cf\u7d20\u503c <\/li><\/ol>\n\n\n<p>2\u3002<\/p>\n\n\n<p><strong>10. \u4f60\u73b0\u5728\u7528\u62e5\u6709\u7684\u662f3D\u7684\u6570\u636e\uff0c\u73b0\u5728\u6784\u5efa\u4e00\u4e2a\u7f51\u7edc\u5c42\uff0c\u5176\u8f93\u5165\u7684\u5377\u79ef\u662f32\u00d732\u00d732\u00d716\uff08\u6b64\u5377\u79ef\u670916\u4e2a\u901a\u9053\uff09\uff0c\u5bf9\u5176\u4f7f\u752832\u4e2a3\u00d73\u00d73\u7684\u8fc7\u6ee4\u5668\uff08\u65e0\u586b\u5145\uff0c\u6b65\u4f10\u4e3a1\uff09\u8fdb\u884c\u5377\u79ef\u64cd\u4f5c\uff0c\u8bf7\u95ee\u8f93\u51fa\u7684\u5377\u79ef\u662f\u591a\u5c11\uff1f<\/strong> <\/p>\n\n\n<p>30*30*30*32<\/p>\n\n\n<h2 class=\"wp-block-heading\">\u7f16\u7a0b\u4f5c\u4e1a<\/h2>\n\n\n<p>\u65bd\u5de5\u4e2d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5434\u6069\u8fbe\u6df1\u5ea6\u5b66\u4e60\u7b2c\u56db\u5468\u7b2c\u56db\u8bfe\uff1a \u7279\u6b8a\u5e94\u7528\uff1a\u4eba\u8138\u8bc6\u522b\u548c\u795e\u7ecf\u98ce\u683c\u8f6c\u6362 1.One-Shot\u5b66\u4e60 \u4eba\u8138\u8bc6\u522b\u6709 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[7],"tags":[],"views":5688,"_links":{"self":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts\/3362"}],"collection":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/comments?post=3362"}],"version-history":[{"count":0,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts\/3362\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/media?parent=3362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/categories?post=3362"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/tags?post=3362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}