{"id":17117,"date":"2020-11-19T17:28:17","date_gmt":"2020-11-19T09:28:17","guid":{"rendered":"https:\/\/blog.tibame.com\/?p=17117"},"modified":"2022-04-08T18:04:14","modified_gmt":"2022-04-08T10:04:14","slug":"%e7%a7%91%e6%8a%80ai%e9%86%ab%e7%99%82%e4%b9%8b%e5%b1%95%e6%9c%9b","status":"publish","type":"post","link":"https:\/\/blog.tibame.com\/?p=17117","title":{"rendered":"\u3010\u4eba\u5de5\u667a\u6167\u3011\u79d1\u6280AI\u91ab\u7642\u4e4b\u5c55\u671b"},"content":{"rendered":"\n<p>\u64b0\u6587\u8005\uff1a <strong>\u674e\u6668\u6c11<\/strong> \u8001\u5e2b <\/p>\n\n\n\n<p>\u65b0\u51a0\u80ba\u708e (COVID-19) 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\/>\u9019\u4e9b\u751f\u7406\u6578\u64da\u93c8\u63a5\u81ea\u4e0d\u540c\u985e\u5225\u7684\u751f\u7406\u6578\u64da\u6536\u96c6\uff0c\u884c\u52d5\u611f\u6e2c\u5668\u5c07\u6578\u64da\u8cc7\u8a0a\u4f34\u96a8\u908a\u7de3\u904b\u7b97\u6280\u8853\u4fc3\u6210\u5373\u6642\u76e3\u63a7\u56de\u994b\u65bc\u91ab\u9662\u96f2\u7aef\u8cc7\u6599\u5eab\uff0c\u69cb\u6210\u6e1b\u4f4e\u63a5\u89f8\u7387\u4e4b\u667a\u80fd\u91ab\u7642\u751f\u6d3b\u5708\u3002<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u70ba\u6b64\uff0c\u7cbe\u6e96\u91ab\u7642\u67b6\u69cb\u6240\u6db5\u84cb\u7684\u6578\u64da\u8cc7\u6599\u5eab\u8207AI (Artificial Intelligence) \u6a21\u578b\u8fa8\u8b58\u6e96\u5ea6\u4e5f\u5c31\u76f8\u5c0d\u6210\u70ba\u95dc\u6ce8\u7684\u7126\u9ede\u3002\u8a13\u7df4\u5b78\u7fd2\u6a21\u578b\u6642\u9664\u4e86\u8cc7\u6599\u91cf\u3001\u6578\u64da\u8cc7\u6599\u54c1\u8cea (\u96dc\u8a0a)\u3001\u8a13\u7df4\u6642\u9593\u3001\u91cf\u6e2c\u6a21\u578b\u6210\u6548\u4e4b\u6307\u6a19\u4e4b\u5916\uff0c\u4ecd\u9700\u8003\u91cf\u8a13\u7df4\u6642\u53ef\u80fd\u7522\u751f\uff1a<\/p>\n\n\n\n<p>1\u30fb\u68af\u5ea6\u6d88\u5931 (vanishing gradient)<br \/>2\u30fb\u985e\u795e\u7d93\u7db2\u8def\u7684\u7a00\u758f\u6027\u3001\u6a21\u578b\u904e\u64ec\u5408\u7b49\u8abf\u7bc0\u5b78\u7fd2\u7387\u7684\u6f14\u7b97\u6cd5<br \/>3\u30fb\u6a21\u578b\u504f\u79fb\u7684\u8abf\u6821<br \/>4\u30fb\u904b\u7b97\u901f\u5ea6\u7b49\u554f\u984c\u3002<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u6a5f\u5668\u5b78\u7fd2\u6d41\u7a0b\u4e3b\u8981\u70ba\uff1a<\/p>\n\n\n\n<p>1\u30fb\u8cc7\u6599\u9810\u8655\u7406<br \/>2\u30fb\u7279\u5fb5\u64f7\u53d6<br \/>3\u30fb\u8fa8\u8b58\u7d50\u679c<br \/>4\u30fb\u4fee\u6b63\u6a21\u578b\u53c3\u6578 (\u5b78\u7fd2)<br \/><br \/>\u6df1\u5ea6\u5b78\u7fd2\u8eab\u70ba\u6a5f\u5668\u5b78\u7fd2\u7684\u5176\u4e2d\u4e00\u7a2e\u5206\u652f\uff0c\u5373\u662f\u5c07\u6a21\u578b\u66ff\u63db\u70ba\u985e\u795e\u7d93\u7db2\u8def\uff0c\u5176\u57fa\u672c\u5b78\u7fd2\u6d41\u7a0b\u8207\u6a5f\u5668\u5b78\u7fd2\u4e26\u7121\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u5728\u6df1\u5ea6\u5b78\u7fd2\u8a13\u7df4\u8207\u5206\u6790\u6a21\u578b\u6642\uff0c\u9700\u5148\u5c07\u8cc7\u6599\u9032\u884c\u9810\u8655\u7406\u4e26\u9078\u7528\u9069\u5408\u7684\u985e\u795e\u7d93\u7db2\u8def\u67b6\u69cb\uff0c\u5c07\u9810\u8655\u7406\u4e4b\u8cc7\u6599\u5f59\u7e3d\u6240\u5f97\u4e4b\u8a13\u7df4\u6578\u64da\u96c6\uff0c\u8f38\u5165\u6a21\u578b\u9032\u884c\u8a13\u7df4\uff0c\u63a5\u8457\u4f7f\u7528\u640d\u5931\u51fd\u6578 (loss function) \u8a08\u7b97\u6a21\u578b\u7684\u9810\u6e2c\u503c\u8207\u6b63\u78ba\u7b54\u6848\u4e4b\u5dee\u8ddd\uff0c\u900f\u904e\u68af\u5ea6\u4e0b\u964d\u7b49\u65b9\u6cd5\u66f4\u65b0\u795e\u7d93\u7db2\u8def\u53c3\u6578\u3002<\/p>\n\n\n\n<ul class=\"wp-block-gallery columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" width=\"232\" height=\"168\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2020\/11\/1-1.png\" alt=\"\" data-id=\"17118\" data-link=\"https:\/\/blog.wiedu.tw\/?attachment_id=17118#main\" class=\"wp-image-17118\"\/><figcaption>\u5716\u4e00<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" width=\"235\" height=\"163\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2020\/11\/2-1.png\" alt=\"\" data-id=\"17119\" data-link=\"https:\/\/blog.wiedu.tw\/?attachment_id=17119#main\" class=\"wp-image-17119\"\/><figcaption>\u5716\u4e8c<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" width=\"274\" height=\"180\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2020\/11\/3.png\" alt=\"\" data-id=\"17120\" data-link=\"https:\/\/blog.wiedu.tw\/?attachment_id=17120#main\" class=\"wp-image-17120\"\/><figcaption>\u5716\u4e09<\/figcaption><\/figure><\/li><\/ul>\n\n\n\n<p>\u63a5\u8457\u5f59\u5165\u4e0d\u5728\u8a13\u7df4\u8cc7\u6599\u96c6\u4e2d\u7684\u7684\u8cc7\u6599\u8b49\u6a21\u578b\u7684\u6e96\u78ba\u7387\uff0c\u6216\u662f\u7528\u6df7\u6dc6\u77e9\u9663 (Confusion Matrix) \u7b49\u76f8\u95dc\u6307\u6a19\uff0c\u7528\u4ee5\u8a55\u5b9a\u6b64AI\u6a21\u578b\u8fa8\u8b58\u7570\u5e38\u8207\u6b63\u5e38\u7684\u53ec\u56de\u7387 (Recall) \u3001\u7cbe\u78ba\u5ea6(Precision) \u8207F1-score\u7b49 (\u5982\u5716\u56db)\u3002\u6216\u662f\u4ee5\u66f4\u9032\u968e\u7684\u65b9\u6cd5\u5206\u6790\u6a21\u578b\u95dc\u6ce8\u7684\u8fa8\u8b58\u4f4d\u7f6e (\u4ee5\u80ce\u5fc3\u97f3\u8a3a\u65b7\u70ba\u4f8b\uff0c\u5982\u5716\u4e09)\u3002 <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"803\" height=\"236\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2020\/11\/4.png\" alt=\"\" class=\"wp-image-17121\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2020\/11\/4.png 803w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2020\/11\/4-300x88.png 300w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2020\/11\/4-768x226.png 768w\" sizes=\"(max-width: 803px) 100vw, 803px\" \/><figcaption>\u5716\u56db<\/figcaption><\/figure>\n\n\n\n<p>\u96a8\u8457\u908a\u7de3\u904b\u7b97\u8207\u6f14\u7b97\u6cd5\u7684\u6f14\u9032\uff0c\u6211\u5011\u53ef\u4ee5\u5229\u7528\u96f2\u7aef\u5c0d\u8cc7\u6599\u9032\u884c\u641c\u96c6\u8207\u8fa8\u8b58\uff0c\u518d\u5c07\u7d50\u679c\u56de\u50b3\u7d66\u4f7f\u7528\u8005\uff0c\u544a\u77e5\u7d50\u679c\uff0c\u6216\u662f\u76f4\u63a5\u5728\u4f7f\u7528\u8005\u908a\u7de3\u904b\u7b97\u88dd\u7f6e\u4e0a\u76f4\u63a5\u9032\u884c\u9810\u6e2c\uff0c\u4ee5\u4fdd\u8b77\u4f7f\u7528\u8005\u7684\u8cc7\u6599\u96b1\u79c1\u6b0a\u3002<\/p>\n\n\n\n<p>\u8b93AI\u91ab\u7642\u80fd\u66f4\u597d\u7684\u6539\u5584\u4eba\u985e\u7684\u751f\u6d3b\u6a21\u5f0f\uff0cAI\u91ab\u7642\u7684\u9b45\u529b\uff0c\u60a8\u611f\u53d7\u5230\u4e86\u55ce\uff1f<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><a href=\"https:\/\/www.tibame.com\/offline\/aoi_cnn_image\">AI\u7522\u54c1\u7455\u75b5\u6aa2\u6e2c-\u61c9\u7528CNN\u7269\u4ef6\u5075\u6e2c\u5be6\u4f5c\u73ed<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.tibame.com\/offline\/medicine_image_by_deep_learning\">AI\u91ab\u7642\u5f71\u50cf\u816b\u7624\u5075\u6e2c-\u61c9\u7528\u6df1\u5ea6\u5b78\u7fd2\u5be6\u4f5c\u73ed<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65b0\u51a0\u80ba\u708e (COVID-19) \u5f8c\u75ab\u60c5\u6642\u4ee3\u7684\u5ef6\u4f38\uff0c\u5982\u4f55\u5728\u4fdd\u6301\u5b89\u5168\u8ddd\u96e2\u7684\u689d\u4ef6\u4e0b\u7e2e\u77ed\u6e9d\u901a\u8ddd\u96e2\uff1f\u53c8\u80fd\u7372\u5f97\u7cbe\u78ba\u7684\u8cc7\u8a0a\uff1f\u96f6\u63a5\u89f8\u667a\u80fd\u91ab\u7642\u6210\u70ba\u91ab\u7642\u9818\u57df\u806f\u5408\u8cc7\u901a\u8a0a\u696d\u8005\u3001\u6578\u64da\u5206\u6790\u696d\u8005\u5171\u540c\u5408\u4f5c\u884d\u751f\u4e4b\u6a19\u7684\uff0c\u7528\u4ee5\u63d0\u5347\u7cbe\u6e96\u91ab\u7642\u70ba\u5c0e\u5411\uff0c\u517c\u9867\u91ab\u7642\u54c1\u8cea\u8207\u63d0\u5347\u8fa8\u8b58\u6e96\u5ea6\u70ba\u76ee\u6a19\u3002<\/p>\n","protected":false},"author":19,"featured_media":17125,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[480,1196,173],"tags":[1158,353,1159,678,1160,679,1161,691,839,847,848,946,1011,1013,1035,1154,1155,1156,1157],"class_list":["post-17117","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology","category-ai-","category-173","tag-1158","tag-353","tag-1159","tag-678","tag-ai","tag-679","tag-1161","tag-691","tag-839","tag-847","tag-848","tag-946","tag-1011","tag-1013","tag-1035","tag-1154","tag-1155","tag-1156","tag-1157"],"aioseo_notices":[],"views":2256,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/posts\/17117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17117"}],"version-history":[{"count":3,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/posts\/17117\/revisions"}],"predecessor-version":[{"id":19242,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/posts\/17117\/revisions\/19242"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/media\/17125"}],"wp:attachment":[{"href":"https:\/\/blog.tibame.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}