{"id":28929,"date":"2023-09-19T06:54:45","date_gmt":"2023-09-18T22:54:45","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=28929"},"modified":"2023-09-19T06:54:45","modified_gmt":"2023-09-18T22:54:45","slug":"pjhxxlzdzrhjs","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/28929.html","title":{"rendered":"\u5e73\u5747\u4e92\u4fe1\u606f\u91cf\u6700\u5927\u503c\uff1a\u5982\u4f55\u8ba1\u7b97"},"content":{"rendered":"

  \u5e73\u5747\u4e92\u4fe1\u606f\u91cf\u6700\u5927\u503c\uff08Average Mutual Information Maximum\uff0c\u7b80\u79f0AMI\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u6bd4\u8f83\u4e0d\u540c\u6a21\u578b\u7684\u91cf\u5316\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3\u6a21\u578b\u4e4b\u95f4\u7684\u5dee\u5f02\u3002\u672c\u6587\u5c06\u4ecb\u7ecdAMI\u7684\u57fa\u7840\u539f\u7406\uff0c\u5e76\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528AMI\u6765\u6bd4\u8f83\u4e0d\u540c\u6a21\u578b\u7684\u8868\u73b0\u3002<\/p>\n

AMI\u7684\u57fa\u672c\u539f\u7406<\/h2>\n

  AMI\u662f\u4e00\u79cd\u7edf\u8ba1\u6982\u7387\u6a21\u578b\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u8861\u91cf\u4e24\u4e2a\u53d8\u91cf\u4e4b\u95f4\u7684\u76f8\u5173\u6027\uff0c\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u4e92\u4fe1\u606f\u91cf\u3002AMI\u7684\u57fa\u672c\u539f\u7406\u662f\uff0c\u5982\u679c\u4e24\u4e2a\u53d8\u91cf\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u66f4\u9ad8\uff0c\u90a3\u4e48\u5b83\u4eec\u4e4b\u95f4\u7684\u4e92\u4fe1\u606f\u91cf\u5c31\u4f1a\u66f4\u9ad8\u3002AMI\u53ef\u4ee5\u7528\u6765\u8861\u91cf\u4e24\u4e2a\u53d8\u91cf\u4e4b\u95f4\u7684\u7ebf\u6027\u5173\u7cfb\uff0c\u4e5f\u53ef\u4ee5\u7528\u6765\u8861\u91cf\u975e\u7ebf\u6027\u5173\u7cfb\u3002<\/p>\n

  AMI\u7684\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n

  AMI = H(X) + H(Y) – H(X, Y)<\/p>\n

  \u5176\u4e2d\uff0cH(X)\u8868\u793a\u53d8\u91cfX\u7684\u4fe1\u606f\u71b5\uff0cH(Y)\u8868\u793a\u53d8\u91cfY\u7684\u4fe1\u606f\u71b5\uff0cH(X,Y)\u8868\u793a\u53d8\u91cfX\u548cY\u7684\u8054\u5408\u4fe1\u606f\u71b5\u3002<\/p>\n

AMI\u7684\u5b9e\u9645\u5e94\u7528<\/h2>\n

  AMI\u7684\u5b9e\u9645\u5e94\u7528\u4e3b\u8981\u662f\u7528\u6765\u6bd4\u8f83\u4e0d\u540c\u6a21\u578b\u7684\u8868\u73b0\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u60f3\u6bd4\u8f83\u4e0d\u540c\u6a21\u578b\u7684\u51c6\u786e\u7387\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528AMI\u6765\u6bd4\u8f83\u5b83\u4eec\u4e4b\u95f4\u7684\u76f8\u5173\u6027\uff0c\u4ece\u800c\u5f97\u51fa\u54ea\u4e2a\u6a21\u578b\u7684\u51c6\u786e\u7387\u66f4\u9ad8\u3002<\/p>\n

  AMI\u8fd8\u53ef\u4ee5\u7528\u6765\u6bd4\u8f83\u4e0d\u540c\u6570\u636e\u96c6\u7684\u8868\u73b0\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u60f3\u6bd4\u8f83\u4e0d\u540c\u6570\u636e\u96c6\u7684\u51c6\u786e\u7387\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528AMI\u6765\u6bd4\u8f83\u5b83\u4eec\u4e4b\u95f4\u7684\u76f8\u5173\u6027\uff0c\u4ece\u800c\u5f97\u51fa\u54ea\u4e2a\u6570\u636e\u96c6\u7684\u51c6\u786e\u7387\u66f4\u9ad8\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u5e73\u5747\u4e92\u4fe1\u606f\u91cf\u6700\u5927\u503c\uff08AMI\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u6bd4\u8f83\u4e0d\u540c\u6a21\u578b\u7684\u91cf\u5316\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3\u6a21\u578b\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/strong>AMI\u7684\u57fa\u672c\u539f\u7406\u662f\uff0c\u5982\u679c\u4e24\u4e2a\u53d8\u91cf\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u66f4\u9ad8\uff0c\u90a3\u4e48\u5b83\u4eec\u4e4b\u95f4\u7684\u4e92\u4fe1\u606f\u91cf\u5c31\u4f1a\u66f4\u9ad8\u3002AMI\u7684\u5b9e\u9645\u5e94\u7528\u4e3b\u8981\u662f\u7528\u6765\u6bd4\u8f83\u4e0d\u540c\u6a21\u578b\u7684\u8868\u73b0\uff0c\u4ee5\u53ca\u4e0d\u540c\u6570\u636e\u96c6\u7684\u8868\u73b0\u3002\u672c\u6587\u4ecb\u7ecd\u4e86AMI\u7684\u57fa\u672c\u539f\u7406\u548c\u5b9e\u9645\u5e94\u7528\uff0c\u5e0c\u671b\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3AMI\u7684\u4f5c\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5e73\u5747\u4e92\u4fe1\u606f\u91cf\u6700\u5927\u503c\uff08Average Mutual Information Maximum\uff0c\u7b80\u79f0AMI\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u6bd4\u8f83\u4e0d\u540c\u6a21\u578b\u7684\u91cf\u5316\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3\u6a21\u578b\u4e4b\u95f4\u7684<\/p>\n","protected":false},"author":1,"featured_media":3671,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[52],"class_list":["post-28929","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-wxtx"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/28929","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=28929"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/28929\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=28929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=28929"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=28929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}