{"id":2141,"date":"2025-03-04T17:33:10","date_gmt":"2025-03-04T09:33:10","guid":{"rendered":"https:\/\/www.yusian.com\/blog\/?p=2141"},"modified":"2025-03-04T17:33:10","modified_gmt":"2025-03-04T09:33:10","slug":"%e7%90%86%e8%a7%a3%e5%8d%b7%e7%a7%af%e7%a5%9e%e7%bb%8f%e7%bd%91%e7%bb%9c%ef%bc%88cnn%ef%bc%89%e5%9b%9b%e4%b8%aa%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5%e4%ba%8c%ef%bc%9a%e6%b1%a0%e5%8c%96","status":"publish","type":"post","link":"https:\/\/www.yusian.com\/blog\/article\/2025\/03\/04\/1733102141.html","title":{"rendered":"\u7406\u89e3\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u56db\u4e2a\u57fa\u672c\u6982\u5ff5\u4e8c\uff1a\u6c60\u5316"},"content":{"rendered":"<p>\u6c60\u5316\u7684\u76ee\u7684\u662f\u91c7\u6837\uff0c\u51cf\u5c11\u8ba1\u7b97\u91cf<\/p>\n<pre><code class=\"language-python line-numbers\">import numpy as np\n\nfeature_map = np.array([\n    [1, 1, 1, 1],\n    [1, 1, 1, 1],\n    [2, 2, 2, 2],\n    [2, 2, 2, 2]\n])\n\nprint('\u7279\u5f81\u56fe\uff1a\\n', feature_map)\n\npooled = np.zeros((2, 2))\n\nfor i in range(0, 4, 2):\n    for j in range(0, 4, 2):\n        pooled[i \/\/ 2, j \/\/ 2] = np.max(feature_map[i:i+2, j:j+2])\n\nprint('\u6c60\u5316\u7ed3\u679c\uff1a\\n', pooled)\n<\/code><\/pre>\n<p>\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n<pre><code class=\"language-terminal line-numbers\">\u7279\u5f81\u56fe\uff1a\n [[1 1 1 1]\n [1 1 1 1]\n [2 2 2 2]\n [2 2 2 2]]\n\u6c60\u5316\u7ed3\u679c\uff1a\n [[1. 1.]\n [2. 2.]]\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6c60\u5316\u7684\u76ee\u7684\u662f\u91c7\u6837\uff0c\u51cf\u5c11\u8ba1\u7b97\u91cf import numpy as np feature_map = np.array([ [1, 1, 1, 1], [1, 1, 1, 1], [2, 2, 2, 2], [2, 2, 2, 2] ]) print(&#8216;\u7279\u5f81\u56fe\uff1a\\n&#8217;, feature_map) pooled = np.zeros((2, 2)) for i in range(0, 4, 2): for j in range(0, 4, 2): pooled[i \/\/ 2, j \/\/ 2] = np.max(feature_map[i:i+2, j:j+2]) print(&#8216;\u6c60\u5316\u7ed3\u679c\uff1a\\n&#8217;, pooled) \u6267\u884c\u7ed3\u679c\uff1a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[416,469,470,471,472],"class_list":["post-2141","post","type-post","status-publish","format-standard","hentry","category-article","tag-ai","tag-cnn","tag-470","tag-471","tag-472"],"_links":{"self":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts\/2141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/comments?post=2141"}],"version-history":[{"count":0,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts\/2141\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/media?parent=2141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/categories?post=2141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/tags?post=2141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}