{"id":48696,"date":"2025-07-30T13:07:31","date_gmt":"2025-07-30T05:07:31","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/48696.html"},"modified":"2025-07-30T13:07:31","modified_gmt":"2025-07-30T05:07:31","slug":"%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e5%ae%9e%e8%b7%b5%ef%bc%9a%e4%bd%bf%e7%94%a8-scikit-learn-%e5%ae%9e%e7%8e%b0-kaggle-%e8%83%b8%e9%83%a8-x-%e5%85%89%e5%9b%be%e5%83%8f%e5%88%86%e7%b1%bb%e4%bb%bb","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/48696.html","title":{"rendered":"\u673a\u5668\u5b66\u4e60\u5b9e\u8df5\uff1a\u4f7f\u7528 scikit-learn \u5b9e\u73b0 Kaggle \u80f8\u90e8 X \u5149\u56fe\u50cf\u5206\u7c7b\u4efb\u52a1"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730050728-6889a8901002a.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p>\n<p>\ud83e\uddd1 \u535a\u4e3b\u7b80\u4ecb\uff1aCSDN\u535a\u5ba2\u4e13\u5bb6\u3001CSDN\u5e73\u53f0\u4f18\u8d28\u521b\u4f5c\u8005\uff0c\u9ad8\u7ea7\u5f00\u53d1\u5de5\u7a0b\u5e08\uff0c\u6570\u5b66\u4e13\u4e1a\uff0c10\u5e74\u4ee5\u4e0aC\/C++, C#,Java\u7b49\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\u5f00\u53d1\u7ecf\u9a8c\uff0c\u62e5\u6709\u9ad8\u7ea7\u5de5\u7a0b\u5e08\u8bc1\u4e66\uff1b\u64c5\u957fC\/C++\u3001C#\u7b49\u5f00\u53d1\u8bed\u8a00\uff0c\u719f\u6089Java\u5e38\u7528\u5f00\u53d1\u6280\u672f\uff0c\u80fd\u719f\u7ec3\u5e94\u7528\u5e38\u7528\u6570\u636e\u5e93SQL server,Oracle,mysql,postgresql\u7b49\u8fdb\u884c\u5f00\u53d1\u5e94\u7528\uff0c\u719f\u6089DICOM\u533b\u5b66\u5f71\u50cf\u53caDICOM\u534f\u8bae,\u4e1a\u4f59\u65f6\u95f4\u81ea\u5b66JavaScript,Vue,qt,python\u7b49\uff0c\u5177\u5907\u591a\u79cd\u6df7\u5408\u8bed\u8a00\u5f00\u53d1\u80fd\u529b\u3002\u64b0\u5199\u535a\u5ba2\u5206\u4eab\u77e5\u8bc6\uff0c\u81f4\u529b\u4e8e\u5e2e\u52a9\u7f16\u7a0b\u7231\u597d\u8005\u5171\u540c\u8fdb\u6b65\u3002\u6b22\u8fce\u5173\u6ce8\u3001\u4ea4\u6d41\u53ca\u5408\u4f5c\uff0c\u63d0\u4f9b\u6280\u672f\u652f\u6301\u4e0e\u89e3\u51b3\u65b9\u6848\u3002\\\\n\u6280\u672f\u5408\u4f5c\u8bf7\u52a0\u672c\u4ebawx\uff08\u6ce8\u660e\u6765\u81eacsdn\uff09\uff1axt20160813<\/p>\n<hr>\n<h2>\u673a\u5668\u5b66\u4e60\u5b9e\u8df5\uff1a\u4f7f\u7528 scikit-learn \u5b9e\u73b0 Kaggle \u80f8\u90e8 X \u5149\u56fe\u50cf\u5206\u7c7b\u4efb\u52a1<\/h2>\n<p>\u672c\u6587\u5c06\u8be6\u7ec6\u8bb2\u89e3\u5982\u4f55\u4f7f\u7528 Python \u7684 scikit-learn \u5e93\u5b8c\u6210 Kaggle \u4e0a\u7684 Chest X-Ray Images (Pneumonia) \u6570\u636e\u96c6\u5206\u7c7b\u4efb\u52a1\uff0c\u805a\u7126\u4e8e\u533a\u5206\u6b63\u5e38\u548c\u80ba\u708e\u7684\u80f8\u90e8 X \u5149\u56fe\u50cf\u3002\u6587\u7ae0\u6db5\u76d6\u6570\u636e\u96c6\u83b7\u53d6\u3001\u6570\u636e\u9884\u5904\u7406\u3001\u7279\u5f81\u63d0\u53d6\u3001\u51b3\u7b56\u6811\u6a21\u578b\u6784\u5efa\u4e0e\u4f18\u5316\u3001\u6a21\u578b\u8bc4\u4f30\u3001\u7ed3\u679c\u53ef\u89c6\u5316\u7b49\u5185\u5bb9\u3002\u672c\u5b9e\u8df5\u4e0e\u4e4b\u524d\u7684\u4e73\u817a\u764c\u6570\u636e\u96c6\u548c\u4e73\u817a\u7ec4\u7ec7\u75c5\u7406\u5b66\u56fe\u50cf\u5206\u7c7b\u4efb\u52a1\u5f62\u6210\u5bf9\u6bd4\uff0c\u5c55\u793a scikit-learn \u5728\u4e0d\u540c\u533b\u5b66\u5f71\u50cf\u573a\u666f\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n<hr>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730050728-6889a89025759.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p>\n<h3>\u4e00\u3001\u80cc\u666f\u4ecb\u7ecd<\/h3>\n<h4>1.1 Kaggle \u80f8\u90e8 X \u5149\u56fe\u50cf\u5206\u7c7b\u4efb\u52a1<\/h4>\n<p>Chest X-Ray Images (Pneumonia) \u6570\u636e\u96c6\u662f\u4e00\u4e2a\u7ecf\u5178\u7684\u533b\u5b66\u5f71\u50cf\u4e8c\u5206\u7c7b\u4efb\u52a1\uff0c\u7528\u4e8e\u68c0\u6d4b\u80f8\u90e8 X \u5149\u56fe\u50cf\u662f\u5426\u663e\u793a\u80ba\u708e\u8ff9\u8c61\u3002\u6570\u636e\u96c6\u7531\u5e7f\u5dde\u533b\u79d1\u5927\u5b66\u63d0\u4f9b\uff0c\u5e7f\u6cdb\u7528\u4e8e\u7814\u7a76\u81ea\u52a8\u5316\u80ba\u708e\u8bca\u65ad\u3002<\/p>\n<ul>\n<li>\u6570\u636e\u96c6\u6765\u6e90\uff1aKaggle \u4e0a\u7684 Chest X-Ray Images (Pneumonia)<\/li>\n<li>\u6837\u672c\u6570\u91cf\uff1a\n<ul>\n<li>\u8bad\u7ec3\u96c6\uff1a5,216 \u5f20\u56fe\u50cf\uff081,341 \u6b63\u5e38\uff0c3,875 \u80ba\u708e\uff09<\/li>\n<li>\u9a8c\u8bc1\u96c6\uff1a16 \u5f20\u56fe\u50cf<\/li>\n<li>\u6d4b\u8bd5\u96c6\uff1a624 \u5f20\u56fe\u50cf<\/li>\n<\/ul>\n<\/li>\n<li>\u4efb\u52a1\uff1a\u4e8c\u5206\u7c7b\uff08\u6b63\u5e38 vs. \u80ba\u708e\uff09<\/li>\n<li>\u6311\u6218\uff1a\n<ul>\n<li>\u7c7b\u4e0d\u5e73\u8861\uff08\u80ba\u708e\u6837\u672c\u591a\u4e8e\u6b63\u5e38\u6837\u672c\uff09<\/li>\n<li>\u56fe\u50cf\u5206\u8fa8\u7387\u8f83\u9ad8\uff08\u901a\u5e38 1024&#215;768 \u6216\u66f4\u9ad8\uff09<\/li>\n<li>\u590d\u6742\u7684\u80ba\u90e8\u7eb9\u7406\u548c\u75c5\u7076\u7279\u5f81<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730050729-6889a8916eff8.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p>\n<h4>1.2 \u4efb\u52a1\u76ee\u6807<\/h4>\n<p>\u4f7f\u7528 scikit-learn \u7684\u51b3\u7b56\u6811\u5206\u7c7b\u5668\uff0c\u7ed3\u5408\u56fe\u50cf\u7279\u5f81\u63d0\u53d6\u6280\u672f\uff0c\u5bf9\u80f8\u90e8 X \u5149\u56fe\u50cf\u8fdb\u884c\u5206\u7c7b\uff0c\u8bc4\u4f30\u6a21\u578b\u6027\u80fd\uff0c\u5e76\u4f18\u5316\u6a21\u578b\u4ee5\u63d0\u9ad8\u9884\u6d4b\u51c6\u786e\u7387\u3002<\/p>\n<h4>1.3 \u5de5\u5177\u4e0e\u73af\u5883<\/h4>\n<ul>\n<li>\u7f16\u7a0b\u8bed\u8a00\uff1aPython 3.x<\/li>\n<li>\u4e3b\u8981\u5e93\uff1a\n<ul>\n<li>scikit-learn\uff1a\u673a\u5668\u5b66\u4e60\u5efa\u6a21<\/li>\n<li>pandas\u3001numpy\uff1a\u6570\u636e\u5904\u7406<\/li>\n<li>OpenCV\u3001scikit-image\uff1a\u56fe\u50cf\u5904\u7406\u4e0e\u7279\u5f81\u63d0\u53d6<\/li>\n<li>matplotlib\u3001seaborn\uff1a\u53ef\u89c6\u5316<\/li>\n<\/ul>\n<\/li>\n<li>\u6570\u636e\u96c6\u83b7\u53d6\uff1a\u4ece Kaggle \u4e0b\u8f7d\u6570\u636e\u96c6\uff08\u9700\u6ce8\u518c Kaggle \u8d26\u6237\u5e76\u83b7\u53d6 API \u5bc6\u94a5\uff09<\/li>\n<\/ul>\n<hr>\n<h3>\u4e8c\u3001\u6570\u636e\u83b7\u53d6\u4e0e\u9884\u5904\u7406<\/h3>\n<h4>2.1 \u6570\u636e\u96c6\u4e0b\u8f7d<\/h4>\n<li>\n<p>\u901a\u8fc7 Kaggle API \u4e0b\u8f7d\uff1a<\/p>\n<p> pip <span class=\"token function\">install<\/span> kaggle<br \/>\nkaggle datasets download -d paultimothymooney\/chest-xray-pneumonia<br \/>\n<span class=\"token function\">unzip<\/span> chest-xray-pneumonia.zip -d chest_xray\n <\/li>\n<li>\n<p>\u6570\u636e\u96c6\u7ed3\u6784\uff1a<\/p>\n<ul>\n<li>\u5305\u542b train\u3001val \u548c test \u4e09\u4e2a\u6587\u4ef6\u5939<\/li>\n<li>\u6bcf\u4e2a\u6587\u4ef6\u5939\u5185\u6709 NORMAL \u548c PNEUMONIA \u5b50\u6587\u4ef6\u5939\uff0c\u5b58\u653e .jpeg \u56fe\u50cf<\/li>\n<\/ul>\n<\/li>\n<h4>2.2 \u6570\u636e\u9884\u5904\u7406<\/h4>\n<p>\u7531\u4e8e\u6570\u636e\u96c6\u56fe\u50cf\u5206\u8fa8\u7387\u8f83\u9ad8\u4e14\u6570\u91cf\u8f83\u591a\uff0c\u76f4\u63a5\u5904\u7406\u6240\u6709\u56fe\u50cf\u53ef\u80fd\u8d85\u51fa\u8ba1\u7b97\u8d44\u6e90\uff0c\u56e0\u6b64\u6211\u4eec\u5bf9\u56fe\u50cf\u8fdb\u884c\u964d\u91c7\u6837\u5e76\u968f\u673a\u9009\u62e9\u90e8\u5206\u56fe\u50cf\u8fdb\u884c\u5b9e\u9a8c\u3002<\/p>\n<h5>\u4ee3\u7801\u793a\u4f8b\uff1a\u52a0\u8f7d\u548c\u9884\u5904\u7406\u56fe\u50cf<\/h5>\n<p><span class=\"token keyword\">import<\/span> os<br \/>\n<span class=\"token keyword\">import<\/span> cv2<br \/>\n<span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np<br \/>\n<span class=\"token keyword\">from<\/span> glob <span class=\"token keyword\">import<\/span> glob<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">load_images<\/span><span class=\"token punctuation\">(<\/span>data_dir<span class=\"token punctuation\">,<\/span> sample_size<span class=\"token operator\">=<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">,<\/span> resize_shape<span class=\"token operator\">=<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">64<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">64<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">\\&#8221;\\&#8221;\\&#8221;<br \/>\n    \u52a0\u8f7d\u5e76\u9884\u5904\u7406\u56fe\u50cf\u6570\u636e<br \/>\n    :param data_dir: \u6570\u636e\u96c6\u6839\u76ee\u5f55\uff08train \u76ee\u5f55\uff09<br \/>\n    :param sample_size: \u91c7\u6837\u56fe\u50cf\u6570\u91cf<br \/>\n    :param resize_shape: \u8c03\u6574\u540e\u7684\u56fe\u50cf\u5c3a\u5bf8<br \/>\n    :return: \u56fe\u50cf\u6570\u636e\u548c\u6807\u7b7e<br \/>\n    \\&#8221;\\&#8221;\\&#8221;<\/span><br \/>\n    images <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    labels <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token comment\"># \u83b7\u53d6\u6b63\u5e38\u548c\u80ba\u708e\u6837\u672c\u8def\u5f84<\/span><br \/>\n    normal_paths <span class=\"token operator\">=<\/span> glob<span class=\"token punctuation\">(<\/span>os<span class=\"token punctuation\">.<\/span>path<span class=\"token punctuation\">.<\/span>join<span class=\"token punctuation\">(<\/span>data_dir<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\\&#8217;NORMAL\\&#8217;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\\&#8217;*.jpeg\\&#8217;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    pneumonia_paths <span class=\"token operator\">=<\/span> glob<span class=\"token punctuation\">(<\/span>os<span class=\"token punctuation\">.<\/span>path<span class=\"token punctuation\">.<\/span>join<span class=\"token punctuation\">(<\/span>data_dir<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\\&#8217;PNEUMONIA\\&#8217;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\\&#8217;*.jpeg\\&#8217;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u968f\u673a\u91c7\u6837\uff08\u8003\u8651\u7c7b\u4e0d\u5e73\u8861\uff0c\u4fdd\u6301\u6bd4\u4f8b\uff09<\/span><br \/>\n    np<span class=\"token punctuation\">.<\/span>random<span class=\"token punctuation\">.<\/span>seed<span class=\"token punctuation\">(<\/span><span class=\"token number\">42<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    normal_sample_size <span class=\"token operator\">=<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">(<\/span>sample_size <span class=\"token operator\">*<\/span> <span class=\"token number\">0.25<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6b63\u5e38\u6837\u672c\u7ea6\u5360 25%<\/span><br \/>\n    pneumonia_sample_size <span class=\"token operator\">=<\/span> sample_size <span class=\"token operator\">&#8211;<\/span> normal_sample_size<br \/>\n    normal_paths <span class=\"token operator\">=<\/span> np<span class=\"token punctuation\">.<\/span>random<span class=\"token punctuation\">.<\/span>choice<span class=\"token punctuation\">(<\/span>normal_paths<span class=\"token punctuation\">,<\/span> normal_sample_size<span class=\"token punctuation\">,<\/span> replace<span class=\"token operator\">=<\/span><span class=\"token boolean\">False<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    pneumonia_paths <span class=\"token operator\">=<\/span> np<span class=\"token punctuation\">.<\/span>random<span class=\"token punctuation\">.<\/span>choice<span class=\"token punctuation\">(<\/span>pneumonia_paths<span class=\"token punctuation\">,<\/span> pneumonia_sample_size<span class=\"token punctuation\">,<\/span> replace<span class=\"token operator\">=<\/span><span class=\"token boolean\">False<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u52a0\u8f7d\u5e76\u8c03\u6574\u56fe\u50cf\u5927\u5c0f<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> path <span class=\"token keyword\">in<\/span> normal_paths<span class=\"token punctuation\">:<\/span><br \/>\n        img <span class=\"token operator\">=<\/span> cv2<span class=\"token punctuation\">.<\/span>imread<span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>IMREAD_GRAYSCALE<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u7070\u5ea6\u56fe\u50cf<\/span><br \/>\n        img <span class=\"token operator\">=<\/span> cv2<span class=\"token punctuation\">.<\/span>resize<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> resize_shape<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8c03\u6574\u5927\u5c0f\u4ee5\u51cf\u5c11\u8ba1\u7b97\u91cf<\/span><br \/>\n        images<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">)<\/span><br \/>\n        labels<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6b63\u5e38<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> path <span class=\"token keyword\">in<\/span> pneumonia_paths<span class=\"token punctuation\">:<\/span><br \/>\n        img <span class=\"token operator\">=<\/span> cv2<span class=\"token punctuation\">.<\/span>imread<span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>IMREAD_GRAYSCALE<span class=\"token punctuation\">)<\/span><br \/>\n        img <span class=\"token operator\">=<\/span> cv2<span class=\"token punctuation\">.<\/span>resize<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> resize_shape<span class=\"token punctuation\">)<\/span><br \/>\n        images<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">)<\/span><br \/>\n        labels<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u80ba\u708e<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> np<span class=\"token punctuation\">.<\/span>array<span class=\"token punctuation\">(<\/span>images<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> np<span class=\"token punctuation\">.<\/span>array<span class=\"token punctuation\">(<\/span>labels<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u793a\u4f8b\uff1a\u52a0\u8f7d 1000 \u5f20\u56fe\u50cf<\/span><br \/>\ndata_dir <span class=\"token operator\">=<\/span> <span class=\"token string\">\\&#8217;chest_xray\/train\\&#8217;<\/span><br \/>\nX_images<span class=\"token punctuation\">,<\/span> y <span class=\"token operator\">=<\/span> load_images<span class=\"token punctuation\">(<\/span>data_dir<span class=\"token punctuation\">,<\/span> sample_size<span class=\"token operator\">=<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f\\&#8217;Loaded <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/p>\n<p>     <\/span><span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>X_images<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> images with shape <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/p>\n<p>     <\/span>X_images<span class=\"token punctuation\">.<\/span>shape<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\&#8217;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u8f93\u51fa\u793a\u4f8b\uff1a<\/p>\n<p>Loaded 1000 images with shape (1000, 64, 64)<\/p>\n<p>\u6ce8\u91ca\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7070\u5ea6\u56fe\u50cf\u4ee5\u51cf\u5c11\u6570\u636e\u7ef4\u5ea6\uff08\u5355\u901a\u9053 vs. RGB \u4e09\u901a\u9053\uff09\u3002<\/li>\n<li>\u5c06\u56fe\u50cf\u8c03\u6574\u4e3a 64&#215;64 \u50cf\u7d20\u4ee5\u964d\u4f4e\u8ba1\u7b97\u590d\u6742\u5ea6\u3002<\/li>\n<li>\u91c7\u6837\u65f6\u8003\u8651\u7c7b\u4e0d\u5e73\u8861\uff0c\u4fdd\u6301\u6b63\u5e38\u548c\u80ba\u708e\u6837\u672c\u7684\u6bd4\u4f8b\u3002<\/li>\n<\/ul>\n<h4>2.3 \u7279\u5f81\u63d0\u53d6<\/h4>\n<p>\u76f4\u63a5\u4f7f\u7528\u539f\u59cb\u50cf\u7d20\uff0864&#215;64=4096 \u7ef4\uff09\u4f1a\u5bfc\u81f4\u7ef4\u6570\u707e\u96be\uff0c\u56e0\u6b64\u63d0\u53d6\u4f4e\u7ef4\u7279\u5f81\u3002\u5e38\u7528\u7684\u7279\u5f81\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7070\u5ea6\u76f4\u65b9\u56fe\uff1a\u63cf\u8ff0\u56fe\u50cf\u7684\u7070\u5ea6\u5206\u5e03<\/li>\n<li>\u7070\u5ea6\u5171\u751f\u77e9\u9635\uff08GLCM\uff09\uff1a\u63d0\u53d6\u7eb9\u7406\u7279\u5f81<\/li>\n<li>HOG\uff08\u65b9\u5411\u68af\u5ea6\u76f4\u65b9\u56fe\uff09\uff1a\u6355\u6349\u80ba\u90e8\u8fb9\u7f18\u548c\u7ed3\u6784\u4fe1\u606f<\/li>\n<\/ul>\n<h5>\u4ee3\u7801\u793a\u4f8b\uff1a\u63d0\u53d6\u7279\u5f81<\/h5>\n<p><span class=\"token keyword\">from<\/span> skimage<span class=\"token punctuation\">.<\/span>feature <span class=\"token keyword\">import<\/span> graycomatrix<span class=\"token punctuation\">,<\/span> graycoprops<span class=\"token punctuation\">,<\/span> hog<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">extract_features<\/span><span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">\\&#8221;\\&#8221;\\&#8221;<br \/>\n    \u4ece\u56fe\u50cf\u4e2d\u63d0\u53d6\u7070\u5ea6\u76f4\u65b9\u56fe\u3001GLCM \u548c HOG \u7279\u5f81<br \/>\n    :param image: \u8f93\u5165\u7070\u5ea6\u56fe\u50cf<br \/>\n    :return: \u7279\u5f81\u5411\u91cf<br \/>\n    \\&#8221;\\&#8221;\\&#8221;<\/span><br \/>\n    <span class=\"token comment\"># 1. \u7070\u5ea6\u76f4\u65b9\u56fe<\/span><br \/>\n    hist <span class=\"token operator\">=<\/span> cv2<span class=\"token punctuation\">.<\/span>calcHist<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>image<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">16<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">256<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>flatten<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># 2. GLCM \u7eb9\u7406\u7279\u5f81<\/span><br \/>\n    image_uint8 <span class=\"token operator\">=<\/span> image<span class=\"token punctuation\">.<\/span>astype<span class=\"token punctuation\">(<\/span>np<span class=\"token punctuation\">.<\/span>uint8<span class=\"token punctuation\">)<\/span><br \/>\n    glcm <span class=\"token operator\">=<\/span> graycomatrix<span class=\"token punctuation\">(<\/span>image_uint8<span class=\"token punctuation\">,<\/span> distances<span class=\"token operator\">=<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> angles<span class=\"token operator\">=<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> levels<span class=\"token operator\">=<\/span><span class=\"token number\">256<\/span><span class=\"token punctuation\">,<\/span> symmetric<span class=\"token operator\">=<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">,<\/span> normed<span class=\"token operator\">=<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    glcm_features <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n        graycoprops<span class=\"token punctuation\">(<\/span>glcm<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\\&#8217;contrast\\&#8217;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        graycoprops<span class=\"token punctuation\">(<\/span>glcm<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\\&#8217;dissimilarity\\&#8217;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        graycoprops<span class=\"token punctuation\">(<\/span>glcm<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\\&#8217;homogeneity\\&#8217;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        graycoprops<span class=\"token punctuation\">(<\/span>glcm<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\\&#8217;energy\\&#8217;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        graycoprops<span class=\"token punctuation\">(<\/span>glcm<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\\&#8217;correlation\\&#8217;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb656\u6b21\uff0c\u70b9\u8d5e13\u6b21\uff0c\u6536\u85cf15\u6b21\u3002\u673a\u5668\u5b66\u4e60\u5b9e\u8df5\uff1a\u80f8\u90e8X\u5149\u56fe\u50cf\u5206\u7c7b \u6458\u8981 \u672c\u6587\u4ecb\u7ecd\u4e86\u4f7f\u7528scikit-learn\u5b9e\u73b0Kaggle\u80f8\u90e8X\u5149\u56fe\u50cf\u5206\u7c7b\u4efb\u52a1\u7684\u65b9\u6cd5\u3002\u8be5\u4efb\u52a1\u65e8\u5728\u533a\u5206\u6b63\u5e38\u548c\u80ba\u708e\u7684\u80f8\u90e8X\u5149\u56fe\u50cf\uff0c\u6570\u636e\u96c6\u5305\u542b5,216\u5f20\u8bad\u7ec3\u56fe\u50cf\uff081,341\u6b63\u5e38\/3,875\u80ba\u708e\uff09\u3002\u6587\u7ae0\u8be6\u7ec6\u9610\u8ff0\u4e86\u6570\u636e\u9884\u5904\u7406\u6d41\u7a0b\uff0c\u5305\u62ec\u7070\u5ea6\u8f6c\u6362\u3001\u56fe\u50cf\u964d\u91c7\u6837\u81f364\u00d764\u50cf\u7d20\u4ee5\u964d\u4f4e\u8ba1\u7b97\u590d\u6742\u5ea6\u3002\u7279\u5f81\u63d0\u53d6\u91c7\u7528\u7070\u5ea6\u76f4\u65b9\u56fe\uff0816\u7ef4\uff09\u3001\u7070\u5ea6\u5171\u751f\u77e9\u9635\uff085\u4e2a\u7eb9\u7406\u7279\u5f81\uff09\u548cHOG\u7279\u5f81\uff0c\u6709\u6548\u964d\u4f4e\u6570\u636e\u7ef4\u5ea6\u3002\u901a\u8fc7\u51b3\u7b56\u6811\u6a21\u578b\u6784\u5efa\u5206\u7c7b\u5668\uff0c\u5e76\u89e3\u51b3\u4e86\u7c7b\u4e0d\u5e73\u8861\u95ee\u9898\uff08\u80ba\u708e\u6837\u672c\u5360\u6bd475%\uff09\u3002<\/p>\n","protected":false},"author":2,"featured_media":48693,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[4712,737,50,3936,2395,4713,207],"topic":[],"class_list":["post-48696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-dicom","tag-scikit-learn","tag-50","tag-ai","tag-2395","tag-4713","tag-207"],"yoast_head":"<!-- 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