{"id":22279,"date":"2020-07-02T00:04:19","date_gmt":"2020-07-01T16:04:19","guid":{"rendered":"https:\/newsletter.sinica.edu.tw\/?p=22279"},"modified":"2021-07-21T14:34:53","modified_gmt":"2021-07-21T06:34:53","slug":"%e5%85%a8%e7%90%83%e6%90%b6%e7%94%a8%e7%9a%84%e7%89%a9%e4%bb%b6%e5%81%b5%e6%b8%ac%e6%bc%94%e7%ae%97%e6%b3%95%e4%b8%8a%e7%b7%9a-%e6%9c%80%e7%a5%9e%e9%80%9f%e7%b2%be%e6%ba%96-%e4%b8%80%e7%9c%bc","status":"publish","type":"post","link":"https:\/newsletter.sinica.edu.tw\/22279\/","title":{"rendered":"\u5168\u7403\u6436\u7528\u7684\u7269\u4ef6\u5075\u6e2c\u6f14\u7b97\u6cd5\u4e0a\u7dda \u6700\u795e\u901f\u7cbe\u6e96 \u4e00\u773c\u63ea\u51fa\u4f60\u6709\u6c92\u6709\u8d85\u901f\uff01"},"content":{"rendered":"

\u81fa\u7063\u53c3\u8207\u4eba\u5de5\u667a\u6167\u8de8\u570b\u7814\u7a76\u53d6\u5f97\u91cd\u5927\u7a81\u7834\uff01\u672c\u9662\u8cc7\u8a0a\u79d1\u5b78\u7814\u7a76\u6240\u5ed6\u5f18\u6e90\u7279\u8058\u7814\u7a76\u54e1\u3001\u738b\u5efa\u582f\u535a\u58eb\u5f8c\u7814\u7a76\u54e1\uff0c\u8207\u4fc4\u7f85\u65af\u958b\u767c\u8005\u535a\u79d1\u592b\u65af\u57fa(Alexey Bochkovskiy)\u5171\u540c\u7814\u767c\u51fa\u76ee\u524d\u4e16\u754c\u4e0a\u6700\u5feb\u6700\u6e96\u7684\u7269\u4ef6\u5075\u6e2c\u6f14\u7b97\u6cd5(YOLOv4)\uff0c\u5e73\u5747\u6b63\u78ba\u7387(Average Precision, AP)\u905443.5%\uff0c\u6bd4\u524d\u4e00\u4ee3(YOLOv3)\u63d0\u9ad810%\uff0c\u66f4\u4e00\u8209\u8d85\u8d8a\u5176\u4ed6\u7a2e\u5f71\u50cf\u8fa8\u8b58\u6280\u8853\u3002\u540c\u6642\u4e5f\u904b\u7528\u8a72\u6280\u8853\u8207\u7fa9\u9686\u96fb\u5b50\u5408\u4f5c\u958b\u767c\u300c\u667a\u6167\u57ce\u5e02\u4ea4\u901a\u8eca\u6d41\u89e3\u6c7a\u65b9\u6848\u300d\uff0c\u76ee\u524d\u5df2\u4f48\u8a2d\u65bc\u6843\u5712\u3001\u65b0\u7af9\uff0c\u5728\u8def\u53e3\u5c31\u80fd\u9032\u884c\u4ea4\u901a\u5f71\u50cf\u8fa8\u8b58\u53ca\u8eca\u6d41\u5206\u6790\uff0c\u70ba\u6211\u570b\u667a\u6167\u57ce\u5e02\u767c\u5c55\u5f80\u524d\u9081\u51fa\u4e00\u5927\u6b65\u3002<\/p>\n

YOLOv4\u662f\u4e00\u7a2e\u5229\u7528\u4eba\u5de5\u667a\u6167\u57f7\u884c\u5373\u6642\u7269\u4ef6\u5075\u6e2c(Object Detection)\u7684\u6280\u8853\uff0c\u80fd\u5075\u6e2c\u7269\u4ef6\u3001\u8ffd\u8e64\u53ca\u5224\u65b7\uff0c\u53ef\u61c9\u7528\u65bc\u4ea4\u901a\u8eca\u6d41\u8a08\u7b97\u3001\u81ea\u99d5\u8eca\u7814\u767c\u3001\u5de5\u5ee0\u7455\u75b5\u6aa2\u6e2c\u3001\u91ab\u7642\u5f71\u50cf\u5206\u6790\u3001\u4e94\u5b98\u5b9a\u4f4d\u7b49\u3002\u81ea\u4eca(109)\u5e744\u6708\u4ee5\u958b\u653e\u539f\u59cb\u78bc\u514d\u8cbb\u91cb\u51fa\u5f8c\uff0c\u5168\u4e16\u754c\u5df2\u6709\u6578\u842c\u4eba\u6e2c\u8a66\u61c9\u7528\uff1b\u5ed6\u5f18\u6e90\u7814\u7a76\u5718\u968a\u4ea6\u65bc\u4eca(2)\u65e5\u8a18\u8005\u6703\u4e2d\u73fe\u5834\u64cd\u4f5c\u793a\u7bc4\u6b64\u9805\u6280\u8853\uff0c\u8aaa\u660e\u7269\u4ef6\u5075\u6e2c\u6f14\u7b97\u6cd5\u5982\u4f55\u8b58\u5225\u5716\u7247\u6216\u5f71\u50cf\u88e1\u7684\u7269\u4ef6\u3002<\/p>\n

\u904e\u53bb\u8a13\u7df4\u96fb\u8166\u8b58\u5225\u4e00\u5f35\u7167\u7247\u88e1\u7684\u7269\u4ef6\uff0c\u9808\u57f7\u884c\u5e7e\u5343\u6b21\u7684\u8b58\u5225\u6307\u4ee4\u3002YOLO(\u8a3b\u4e00)\u662f\u300cYou only look once\u300d\u7684\u7c21\u7a31\uff0c\u9867\u540d\u601d\u7fa9\uff0c\u53ea\u9700\u8a13\u7df4\u4e00\u500b\u7db2\u8def\u6a21\u578b\uff0c\u96fb\u8166\u53ea\u8981\u770b\u4e00\u773c\uff0c\u5c31\u80fd\u5224\u65b7\u7167\u7247\u6216\u5f71\u50cf\u88e1\u7684\u7269\u4ef6\u985e\u5225\u8207\u4f4d\u7f6e\uff0c\u5927\u5927\u63d0\u5347\u8fa8\u8b58\u901f\u5ea6\u3002\u81ea2015\u5e74\u63a8\u51fa\u7b2c\u4e00\u4ee3\u7248\u672c\u5f8c(\u8a3b\u4e8c)\uff0c\u6df1\u53d7\u958b\u767c\u8005\u559c\u611b\uff0c\u70ba\u96fb\u8166\u8996\u89ba(Computer vision)\u6280\u8853\u7acb\u4e0b\u91cd\u8981\u7684\u91cc\u7a0b\u7891\u3002\u6539\u826f\u5f8c\u7684YOLOv4\u6027\u80fd\u66f4\u5f37\u5927\uff0c\u7d93\u5fae\u8edf\u958b\u6e90\u5f71\u50cf\u8cc7\u6599\u5eab(MSCOCO)(\u8a3b\u4e09)\u6e2c\u8a66\uff0c\u8fa8\u8b58\u7269\u4ef6\u7684\u901f\u5ea6\u53ca\u7cbe\u78ba\u5ea6\u7686\u5927\u5e45\u63d0\u5347\uff0c\u582a\u7a31\u662f\u76ee\u524d\u4e16\u754c\u4e0a\u8fa8\u8b58\u901f\u5ea6\u6700\u5feb\u3001\u6700\u7cbe\u6e96\u7684\u7269\u4ef6\u5075\u6e2c\u6f14\u7b97\u6cd5\u3002<\/p>\n

\u738b\u5efa\u582f\u8aaa\u660e\uff0c\u7269\u4ef6\u5075\u6e2c\u6280\u8853\u8ffd\u6c42\u901f\u5ea6\u548c\u7cbe\u6e96\uff0c\u4e8c\u8005\u7f3a\u4e00\u4e0d\u53ef\uff0c\u537b\u96e3\u4ee5\u517c\u5099\u3002\u4ed6\u5f9e\u53bb(108)\u5e74\u958b\u59cb\u6539\u826fYOLOv3\uff0c\u4e00\u6539\u904e\u53bb\u591a\u63a1\u300c\u964d\u901f\u6c42\u63a7\u7403\u300d\uff0c\u5373\u964d\u4f4e\u6216\u72a7\u7272\u901f\u5ea6\u4f86\u63db\u53d6\u6e96\u78ba\u5ea6\u63d0\u5347\uff1b\u8f49\u800c\u5f9eYOLO\u6240\u904b\u884c\u7684\u4eba\u5de5\u667a\u6167\u6a21\u578b\u8457\u624b\uff0c\u6539\u5584\u7db2\u8def\u8b58\u5225\u7269\u4ef6\u7684\u56de\u50b3\u6a5f\u5236\uff0c\u512a\u5316\u50b3\u8f38\u8def\u5f91\uff0c\u4ee5\u6e1b\u5c11\u6f14\u7b97\u6cd5\u7684\u8a08\u7b97\u91cf\uff0c\u56e0\u6b64\u80fd\u589e\u52a0\u904b\u7b97\u5167\u5bb9\u7684\u591a\u6a23\u6027\u53ca\u904b\u7b97\u901f\u5ea6(\u8a3b\u56db)\u3002<\/p>\n

\u4ed6\u7684\u6210\u679c\u5f15\u8d77YOLO\u7db2\u8def\u67b6\u69cb\u7dad\u8b77\u8005\u535a\u79d1\u592b\u65af\u57fa(Alexey Bochkovskiy)\u7684\u8208\u8da3\uff0c\u4e3b\u52d5\u806f\u7e6b\u738b\u5efa\u582f\uff0c\u96d9\u65b9\u81ea\u53bb(2019)\u5e7411\u6708\u651c\u624b\u5408\u4f5c\u3002\u7d93\u904e\u4e94\u500b\u591a\u6708\u65e5\u4ee5\u7e7c\u591c\u5730\u958b\u767c\uff0c\u4eca(2020)\u5e744\u6708\u5ba3\u5e03\u5b8c\u6210\u65b0\u4e00\u4ee3\u7684YOLOv4\u6f14\u7b97\u6cd5\u3002<\/p>\n

\u6df1\u5ea6\u5b78\u7fd2\u6f14\u7b97\u6cd5\u7684\u8a08\u7b97\u8907\u96dc\u5ea6\u9ad8\uff0cYOLOv4\u4e5f\u7a81\u7834\u904e\u53bb\u7684\u6280\u8853\u9650\u5236\uff0c\u64c1\u6709\u8f15\u76c8\u7684\u7cfb\u7d71\u67b6\u69cb\u3001\u9ad8\u6548\u7387\u7684\u6f14\u7b97\u6cd5\u7b49\u512a\u52e2\uff0c\u4f7f\u7528\u4e00\u822c\u7684\u5716\u5f62\u8655\u7406\u5668(GPU)\u5c31\u80fd\u904b\u7b97\uff0c\u300c\u50cf\u662f\u7528\u7b97\u76e4\u6253\u51fa\u8a08\u7b97\u6a5f\u7684\u901f\u5ea6\uff01\u300d\u738b\u5efa\u582f\u8868\u793a\uff0c\u5718\u968a\u7684\u958b\u767c\u521d\u8877\uff0c\u5373\u5e0c\u671b\u6253\u9020\u4e00\u500b\u89aa\u6c11\u3001\u597d\u7528\u7684\u5075\u6e2c\u7cfb\u7d71\uff0c\u964d\u4f4e\u786c\u9ad4\u6210\u672c\uff0c\u8b93\u6bcf\u500b\u4eba\u90fd\u80fd\u4ee5\u6b64\u6280\u8853\u5275\u9020\u66f4\u591a\u6709\u8da3\u7684\u61c9\u7528\u3002<\/p>\n

\u5ed6\u5f18\u6e90\u6307\u51fa\uff0cYOLOv4\u4f7f\u7528\u7684\u95dc\u9375\u6280\u8853\u6e90\u81ea\u8a72\u5718\u968a\u627f\u63a5\u79d1\u6280\u90e8\u4eba\u5de5\u667a\u6167\u5c08\u6848\u8a08\u756b\uff0c\u8207\u7fa9\u9686\u96fb\u5b50\u5408\u4f5c\u958b\u767c\u7684\u300c\u667a\u6167\u57ce\u5e02\u4ea4\u901a\u8eca\u6d41\u89e3\u6c7a\u65b9\u6848\u300d\u3002\u70ba\u5efa\u7f6e\u667a\u6167\u8eca\u6d41\u5206\u6790\u7cfb\u7d71\uff0c\u9700\u8981\u7d50\u5408\u5f71\u50cf\u611f\u6e2c\u5668\u548c\u96fb\u8166\u8996\u89ba\uff0c\u5728\u6bcf\u500b\u8def\u53e3\u5c31\u80fd\u5373\u6642\u5075\u6e2c\u8eca\u8f1b\u3001\u505c\u7b49\u8eca\u5217\u53ca\u8eca\u901f\u3002\u5718\u968a\u85c9\u7531\u8457\u624b\u6539\u826fYOLO\u6f14\u7b97\u6cd5\uff0c\u767c\u5c55\u66f4\u8f15\u91cf\u3001\u7cbe\u6e96\u3001\u5feb\u901f\u7684\u7269\u4ef6\u5075\u6e2c\u6838\u5fc3\u6280\u8853\uff0c\u4ee5\u5be6\u969b\u61c9\u7528\u65bc\u4ea4\u901a\u5f71\u50cf\u8fa8\u8b58\u3002<\/p>\n

\"\"

YOLOv4\u6f14\u7b97\u6cd5\u5df2\u5be6\u969b\u61c9\u7528\u65bc\u300c\u667a\u6167\u57ce\u5e02\u4ea4\u901a\u8eca\u6d41\u89e3\u6c7a\u65b9\u6848\u300d\u8a08\u756b\uff0c\u5716\u651d\u65bc\u6843\u5712\u3002<\/p><\/div>\n

YOLOv4\u81ea\u4eca\u5e744\u6708\u5728Github(\u539f\u59cb\u78bc\u4ee3\u7ba1\u5e73\u53f0)\u516c\u958b\u5f8c\uff0c\u4efb\u4f55\u4eba\u90fd\u53ef\u514d\u8cbb\u4f7f\u7528\uff0c\u5728\u96fb\u8166\u8996\u89ba\u9818\u57df\u88e1\u5f15\u8d77\u5168\u7403\u5ee3\u6cdb\u8a0e\u8ad6\uff0c\u5404\u5f0f\u81ea\u88fd\u7684\u6559\u5b78\u5f71\u7247\u3001\u5404\u7a2e\u61c9\u7528\u5c64\u51fa\u4e0d\u7aae\u3002\u5ed6\u5f18\u6e90\u8868\u793a\uff0c\u5728\u81fa\u7063\uff0c\u4ee5YOLOv4\u6280\u8853\u958b\u767c\u7684\u667a\u6167\u8eca\u6d41\u5206\u6790\u7cfb\u7d71\uff0c\u76ee\u524d\u5df2\u4f48\u8a2d\u65bc\u6843\u5712\u3001\u65b0\u7af9\u7b49\u5730\uff0c\u5168\u4e16\u754c\u5df2\u6709\u8a31\u591a\u7814\u767c\u55ae\u4f4d\u4ee5\u6b64\u70ba\u57fa\u790e\uff0c\u767c\u5c55\u76f8\u95dc\u7684\u7cfb\u7d71\u6216\u7522\u54c1\u3002\u4f8b\u5982\u5728COVID-19\u9632\u75ab\u671f\u9593\uff0c\u53ef\u7d50\u5408YOLO\u8fa8\u8b58\u7269\u4ef6\u7684\u529f\u80fd\uff0c\u7528\u4f86\u5075\u6e2c\u672a\u6234\u53e3\u7f69\u8005\uff0c\u6216\u662f\u8a08\u7b97\u4eba\u5011\u6709\u7121\u4fdd\u6301\u793e\u4ea4\u8ddd\u96e2\u7b49\uff0c\u61c9\u7528\u5728\u8a31\u591a\u7522\u696d\u548c\u7522\u54c1\u4e0a\u3002<\/p>\n

\u672c\u8a08\u756b\u7531\u672c\u9662\u53ca\u79d1\u6280\u90e8\u652f\u6301\uff0c\u57282\u65e5\u8a18\u8005\u6703\u4e2d\uff0c\u672c\u9662\u5468\u7f8e\u541f\u526f\u9662\u9577\u3001\u79d1\u6280\u90e8\u524d\u77bb\u53f8\u694a\u7407\u96c5\u53f8\u9577\u3001\u79d1\u6280\u90e8\u81fa\u7063\u5927\u5b78\u4eba\u5de5\u667a\u6167\u7814\u7a76\u4e2d\u5fc3\u9673\u4fe1\u5e0c\u4e3b\u4efb\u3001\u675c\u7dad\u6d32\u57f7\u884c\u9577\uff0c\u4ee5\u53ca\u7fa9\u9686\u96fb\u5b50\u8449\u5100\u7693\u8463\u4e8b\u9577\u3001\u7fa9\u78a9\u667a\u80fd\u80a1\u4efd\u6709\u9650\u516c\u53f8\u80e1\u4e2d\u5e73\u526f\u8655\u9577\u7b49\u4eba\u5171\u540c\u51fa\u5e2d\uff0c\u898b\u8b49\u7531\u81fa\u7063\u5718\u968a\u53c3\u8207\u7814\u767c\u7684\u95dc\u9375\u6280\u8853\uff0c\u70ba\u96fb\u8166\u8996\u89ba\u9818\u57df\u5e36\u4f86\u7a81\u7834\u6027\u6210\u679c\u3002<\/p>\n

\u672c\u8ad6\u6587\u9810\u5370\u672c\u5df2\u65bc\u4eca\u5e744\u6708\u767c\u8868\u65bc\u300aarXiv\u300b\u7db2\u7ad9\uff1ahttps:\/arxiv.org\/abs\/2004.10934<\/a><\/p>\n

\uff08\u8cc7\u8a0a\u79d1\u5b78\u7814\u7a76\u6240\uff09<\/p>\n

\n

(\u8a3b\u4e00)YOLO(You only look once,\u7c21\u7a31YOLO)\u662f\u95dc\u65bc\u7269\u4ef6\u5075\u6e2c(object detection)\u7684\u985e\u795e\u7d93\u7db2\u8def\u6f14\u7b97\u6cd5 \uff0c\u53ef\u6846\u51fa\u5f71\u50cf\u4e2d\u7684\u6bcf\u500b\u7269\u4ef6\uff0c\u9032\u884c\u7269\u4ef6\u5075\u6e2c\u3001\u8ffd\u8e64\u53ca\u5224\u65b7\u3002
\n(\u8a3b\u4e8c)\u7b2c\u4e00\u4ee3YOLO\u7684\u4e3b\u8981\u958b\u767c\u8005\u70baJoseph Redmon\uff0c\u4ed6\u4e00\u76f4\u958b\u767c\u81f3\u7b2c\u4e09\u4ee3YOLOv3\uff0c\u537b\u65bc\u4eca\u5e742\u6708\u5ba3\u5e03\u9000\u51fa\u96fb\u8166\u8996\u89ba\u9818\u57df\u7814\u7a76\u3002
\n(\u8a3b\u4e09)\u7531\u5fae\u8edf\u5efa\u7acb\u7684\u958b\u6e90\u5f71\u50cf\u8cc7\u6599\u5eab(Common Object in Context\uff0c\u7c21\u7a31COCO)\uff0c\u63d0\u4f9b\u9f90\u5927\u7684\u5716\u7247\u3001\u7269\u4ef6\u7b49\uff0c\u63d0\u4f9b\u6280\u8853\u4eba\u54e1\u9032\u884c\u7269\u9ad4\u5075\u6e2c\u548c\u5f71\u50cf\u5206\u5272\u7b49\u6e2c\u8a66\u3002
\n(\u8a3b\u56db)\u6b64\u6280\u8853\u5df2\u65bc\u53bb\u5e74\u767c\u8868\uff0c\u8ad6\u6587\u984c\u76ee\u300aCSPNet: A New Backbone that can Enhance Learning Capability of CNN\u300b\uff1a https:\/openaccess.thecvf.com\/content_CVPRW_2020\/html\/w28\/Wang_CSPNet_A_New_Backbone_That_Can_Enhance_Learning_Capability_of_CVPRW_2020_paper.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u81fa\u7063\u53c3\u8207\u4eba\u5de5\u667a\u6167\u8de8\u570b\u7814\u7a76\u53d6\u5f97\u91cd\u5927\u7a81\u7834\uff01\u672c\u9662\u8cc7\u8a0a\u79d1\u5b78\u7814\u7a76\u6240\u5ed6\u5f18\u6e90\u7279\u8058\u7814\u7a76\u54e1\u3001\u738b\u5efa\u582f\u535a\u58eb\u5f8c\u7814\u7a76\u54e1\uff0c\u8207\u4fc4\u7f85\u65af\u958b\u767c\u8005\u535a […]<\/p>\n","protected":false},"author":1,"featured_media":22282,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[4],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/posts\/22279"}],"collection":[{"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/comments?post=22279"}],"version-history":[{"count":0,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/posts\/22279\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/media\/22282"}],"wp:attachment":[{"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/media?parent=22279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/categories?post=22279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/tags?post=22279"}],"curies":[{"name":"wp","href":"https:\/api.w.org\/{rel}","templated":true}]}}