{"id":3271,"date":"2024-02-17T09:01:01","date_gmt":"2024-02-17T01:01:01","guid":{"rendered":""},"modified":"2024-02-17T09:01:01","modified_gmt":"2024-02-17T01:01:01","slug":"\u4f7f\u7528CNN\u548cPython\u5b9e\u65bd\u7684\u80ba\u708e\u68c0\u6d4b","status":"publish","type":"post","link":"https:\/\/mushiming.com\/3271.html","title":{"rendered":"\u4f7f\u7528CNN\u548cPython\u5b9e\u65bd\u7684\u80ba\u708e\u68c0\u6d4b"},"content":{"rendered":"<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display: none;\"> \n <path stroke-linecap=\"round\" d=\"M5,0 0,2.5 5,5z\" id=\"raphael-marker-block\" style=\"-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\"><\/path> \n<\/svg> <\/p>\n<p>\u4f5c\u8005|Muhammad Ardi \u7f16\u8bd1|Flin \u6765\u6e90|analyticsvidhya<\/p>\n<h4 id=\"\u4ecb\u7ecd\">\u4ecb\u7ecd<\/h4>\n<p>\u563f\uff01\u51e0\u4e2a\u5c0f\u65f6\u524d\u6211\u521a\u521a\u5b8c\u6210\u4e00\u4e2a\u6df1\u5ea6\u5b66\u4e60\u9879\u76ee\uff0c\u73b0\u5728\u6211\u60f3\u5206\u4eab\u4e00\u4e0b\u6211\u6240\u505a\u7684\u4e8b\u60c5\u3002\u8fd9\u4e00\u6311\u6218\u7684\u76ee\u6807\u662f\u786e\u5b9a\u4e00\u4e2a\u4eba\u662f\u5426\u60a3\u6709\u80ba\u708e\u3002\u5982\u679c\u662f\uff0c\u5219\u786e\u5b9a\u662f\u5426\u7531\u7ec6\u83cc\u6216\u75c5\u6bd2\u5f15\u8d77\u3002\u597d\u5427\uff0c\u6211\u89c9\u5f97\u8fd9\u4e2a\u9879\u76ee\u5e94\u8be5\u53eb\u505a\u5206\u7c7b\u800c\u4e0d\u662f\u68c0\u6d4b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20201017123748873.png\" =\"\" =\"\" alt=\"\u4f7f\u7528CNN\u548cPython\u5b9e\u65bd\u7684\u80ba\u708e\u68c0\u6d4b (https:\/\/mushiming.com\/)  \u7b2c1\u5f20\" title=\"\u4f7f\u7528CNN\u548cPython\u5b9e\u65bd\u7684\u80ba\u708e\u68c0\u6d4b  \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u6362\u53e5\u8bdd\u8bf4\uff0c\u6b64\u4efb\u52a1\u5c06\u662f\u4e00\u4e2a\u591a\u5206\u7c7b\u95ee\u9898\uff0c\u5176\u4e2d\u6807\u7b7e\u540d\u79f0\u4e3a\uff1anormal\uff08\u6b63\u5e38\uff09\uff0cvirus\uff08\u75c5\u6bd2\uff09\u548cbacteria\uff08\u7ec6\u83cc\uff09\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u5c06\u4f7f\u7528CNN\uff08\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff09\uff0c\u5b83\u5177\u6709\u51fa\u8272\u7684\u56fe\u50cf\u5206\u7c7b\u80fd\u529b\uff0c\u3002\u4e0d\u4ec5\u5982\u6b64\uff0c\u5728\u8fd9\u91cc\u6211\u8fd8\u5b9e\u73b0\u4e86\u56fe\u50cf\u589e\u5f3a\u6280\u672f\uff0c\u4ee5\u63d0\u9ad8\u6a21\u578b\u6027\u80fd\u3002\u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u6211\u83b7\u5f97\u4e8680\uff05\u7684\u6d4b\u8bd5\u6570\u636e\u51c6\u786e\u6027\uff0c\u8fd9\u5bf9\u6211\u6765\u8bf4\u662f\u975e\u5e38\u4ee4\u4eba\u5370\u8c61\u6df1\u523b\u7684\u3002<\/p>\n<p>\u53ef\u4ee5\u4ece\u8be5Kaggle\u94fe\u63a5\u4e0b\u8f7d\u6b64\u9879\u76ee\u4e2d\u4f7f\u7528\u7684\u6570\u636e\u96c6\u3002<\/p>\n<ul>\n<li>https:\/\/www.kaggle.com\/paultimothymooney\/chest-xray-pneumonia<\/li>\n<\/ul>\n<p>\u6574\u4e2a\u6570\u636e\u96c6\u672c\u8eab\u7684\u5927\u5c0f\u7ea6\u4e3a1 GB\uff0c\u56e0\u6b64\u4e0b\u8f7d\u53ef\u80fd\u9700\u8981\u4e00\u6bb5\u65f6\u95f4\u3002\u6216\u8005\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u76f4\u63a5\u521b\u5efa\u4e00\u4e2aKaggle Notebook\u5e76\u5728\u90a3\u91cc\u7f16\u7801\u6574\u4e2a\u9879\u76ee\uff0c\u56e0\u6b64\u6211\u4eec\u751a\u81f3\u4e0d\u9700\u8981\u4e0b\u8f7d\u4efb\u4f55\u5185\u5bb9\u3002\u63a5\u4e0b\u6765\uff0c\u5982\u679c\u6d4f\u89c8\u6570\u636e\u96c6\u6587\u4ef6\u5939\uff0c\u4f60\u5c06\u770b\u5230\u67093\u4e2a\u5b50\u6587\u4ef6\u5939\uff0c\u5373train\uff0ctest\u548cval\u3002<\/p>\n<p>\u597d\u5427\uff0c\u6211\u8ba4\u4e3a\u8fd9\u4e9b\u6587\u4ef6\u5939\u540d\u79f0\u662f\u4e0d\u8a00\u81ea\u660e\u7684\u3002\u6b64\u5916\uff0ctrain\u6587\u4ef6\u5939\u4e2d\u7684\u6570\u636e\u5206\u522b\u5305\u62ec\u6b63\u5e38\uff0c\u75c5\u6bd2\u548c\u7ec6\u83cc\u7c7b\u522b\u76841341\u30011345\u548c2530\u4e2a\u6837\u672c\u3002\u6211\u60f3\u8fd9\u5c31\u662f\u6211\u4ecb\u7ecd\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u73b0\u5728\u8ba9\u6211\u4eec\u8fdb\u5165\u4ee3\u7801\u7684\u7f16\u5199\uff01<\/p>\n<p>\u6ce8\u610f\uff1a\u6211\u5728\u672c\u6587\u7ed3\u5c3e\u5904\u653e\u7f6e\u4e86\u8be5\u9879\u76ee\u4e2d\u4f7f\u7528\u7684\u5168\u90e8\u4ee3\u7801\u3002<\/p>\n<h4 id=\"\u52a0\u8f7d\u6a21\u5757\u548c\u8bad\u7ec3\u56fe\u50cf\">\u52a0\u8f7d\u6a21\u5757\u548c\u8bad\u7ec3\u56fe\u50cf<\/h4>\n<p>\u4f7f\u7528\u8ba1\u7b97\u673a\u89c6\u89c9\u9879\u76ee\u65f6\uff0c\u8981\u505a\u7684\u7b2c\u4e00\u4ef6\u4e8b\u662f\u52a0\u8f7d\u6240\u6709\u5fc5\u9700\u7684\u6a21\u5757\u548c\u56fe\u50cf\u6570\u636e\u672c\u8eab\u3002\u6211\u4f7f\u7528tqdm\u6a21\u5757\u663e\u793a\u8fdb\u5ea6\u6761\uff0c\u7a0d\u540e\u4f60\u5c06\u770b\u5230\u5b83\u6709\u7528\u7684\u539f\u56e0\u3002<\/p>\n<p>\u6211\u6700\u540e\u5bfc\u5165\u7684\u662f\u6765\u81eaKeras\u6a21\u5757\u7684ImageDataGenerator\u3002\u8be5\u6a21\u5757\u5c06\u5e2e\u52a9\u6211\u4eec\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u5b9e\u65bd\u56fe\u50cf\u589e\u5f3a\u6280\u672f\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-python\">import os\nimport cv2\nimport pickle\nimport numpy as np\nimport matplotlib.pyplot as plt\nimport seaborn as sns\nfrom tqdm import tqdm\nfrom sklearn.preprocessing import OneHotEncoder\nfrom sklearn.metrics import confusion_matrix\nfrom keras.models import Model, load_model\nfrom keras.layers import Dense, Input, Conv2D, MaxPool2D, Flatten\nfrom keras.preprocessing.image import ImageDataGeneratornp.random.seed(22)<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u5b9a\u4e49\u4e24\u4e2a\u51fd\u6570\u4ee5\u4ece\u6bcf\u4e2a\u6587\u4ef6\u5939\u52a0\u8f7d\u56fe\u50cf\u6570\u636e\u3002\u4e4d\u4e00\u770b\uff0c\u4e0b\u9762\u7684\u4e24\u4e2a\u529f\u80fd\u53ef\u80fd\u770b\u8d77\u6765\u5b8c\u5168\u4e00\u6837\uff0c\u4f46\u662f\u5728\u4f7f\u7528\u7c97\u4f53\u663e\u793a\u7684\u884c\u4e0a\u5b9e\u9645\u4e0a\u5b58\u5728\u4e00\u4e9b\u5dee\u5f02\u3002\u8fd9\u6837\u505a\u662f\u56e0\u4e3aNORMAL\u548cPNEUMONIA\u6587\u4ef6\u5939\u4e2d\u7684\u6587\u4ef6\u540d\u7ed3\u6784\u7565\u6709\u4e0d\u540c\u3002\u5c3d\u7ba1\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u4e24\u4e2a\u529f\u80fd\u6267\u884c\u7684\u5176\u4ed6\u8fc7\u7a0b\u57fa\u672c\u76f8\u540c\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5c06\u6240\u6709\u56fe\u50cf\u8c03\u6574\u4e3a200 x 200\u50cf\u7d20\u3002<\/p>\n<p>\u8fd9\u4e00\u70b9\u5f88\u91cd\u8981\uff0c\u56e0\u4e3a\u6240\u6709\u6587\u4ef6\u5939\u4e2d\u7684\u56fe\u50cf\u90fd\u6709\u4e0d\u540c\u7684\u5c3a\u5bf8\uff0c\u800c\u795e\u7ecf\u7f51\u7edc\u53ea\u80fd\u63a5\u53d7\u5177\u6709\u56fa\u5b9a\u6570\u7ec4\u5927\u5c0f\u7684\u6570\u636e\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u57fa\u672c\u4e0a\u6240\u6709\u56fe\u50cf\u90fd\u5b58\u50a8\u67093\u4e2a\u989c\u8272\u901a\u9053\uff0c\u8fd9\u5bf9X\u5c04\u7ebf\u56fe\u50cf\u6765\u8bf4\u662f\u591a\u4f59\u7684\u3002\u56e0\u6b64\uff0c\u6211\u7684\u60f3\u6cd5\u662f\u5c06\u8fd9\u4e9b\u5f69\u8272\u56fe\u50cf\u90fd\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u50cf\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-python\"># Do not forget to include the last slash\ndef load_normal(norm_path):\n    norm_files = np.array(os.listdir(norm_path))\n    norm_labels = np.array(['normal']*len(norm_files))\n\n    norm_images = []\n    for image in tqdm(norm_files):\n        image = cv2.imread(norm_path + image)\n        image = cv2.resize(image, dsize=(200,200))\n        image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)\n        norm_images.append(image)\n\n    norm_images = np.array(norm_images)\n\n    return norm_images, norm_labels\ndef load_pneumonia(pneu_path):\n    pneu_files = np.array(os.listdir(pneu_path))\n    pneu_labels = np.array([pneu_file.split('_')[1] for pneu_file in pneu_files])\n\n    pneu_images = []\n    for image in tqdm(pneu_files):\n        image = cv2.imread(pneu_path + image)\n        image = cv2.resize(image, dsize=(200,200))\n        image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)\n        pneu_images.append(image)\n\n    pneu_images = np.array(pneu_images)\n\n    return pneu_images, pneu_labels<\/code><\/pre>\n<p>\u58f0\u660e\u4e86\u4ee5\u4e0a\u4e24\u4e2a\u51fd\u6570\u540e\uff0c\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u52a0\u8f7d\u8bad\u7ec3\u6570\u636e\u4e86\u3002\u5982\u679c\u4f60\u8fd0\u884c\u4e0b\u9762\u7684\u4ee3\u7801\uff0c\u4f60\u8fd8\u5c06\u770b\u5230\u4e3a\u4ec0\u4e48\u6211\u9009\u62e9\u5728\u8be5\u9879\u76ee\u4e2d\u5b9e\u73b0tqdm\u6a21\u5757\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-python\">norm_images, norm_labels = load_normal('\/kaggle\/input\/chest-xray-pneumonia\/chest_xray\/train\/NORMAL\/')pneu_images, pneu_labels = load_pneumonia('\/kaggle\/input\/chest-xray-pneumonia\/chest_xray\/train\/PNEUMONIA\/')<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/2020101712374995.png\" =\"\" =\"\" alt=\"\u4f7f\u7528CNN\u548cPython\u5b9e\u65bd\u7684\u80ba\u708e\u68c0\u6d4b (https:\/\/mushiming.com\/)  \u7b2c2\u5f20\" title=\"\u4f7f\u7528CNN\u548cPython\u5b9e\u65bd\u7684\u80ba\u708e\u68c0\u6d4b  \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u5df2\u7ecf\u83b7\u5f97\u4e86\u51e0\u4e2a\u6570\u7ec4\uff1anorm_images\uff0cnorm_labels\uff0cpneu_images\u548cpneu_labels\u3002<\/p>\n<p>\u5e26_images\u540e\u7f00\u7684\u8868\u793a\u5b83\u5305\u542b\u9884\u5904\u7406\u7684\u56fe\u50cf\uff0c\u800c\u5e26_labels\u540e\u7f00\u7684\u6570\u7ec4\u8868\u793a\u5b83\u5b58\u50a8\u4e86\u6240\u6709\u57fa\u672c\u4fe1\u606f\uff08\u4e5f\u79f0\u4e3a\u6807\u7b7e\uff09\u3002\u6362\u53e5\u8bdd\u8bf4\uff0cnorm_images\u548cpneu_images\u90fd\u5c06\u6210\u4e3a\u6211\u4eec\u7684X\u6570\u636e\uff0c\u5176\u4f59\u7684\u5c06\u6210\u4e3ay\u6570\u636e\u3002<\/p>\n<p>\u4e3a\u4e86\u4f7f\u9879\u76ee\u770b\u8d77\u6765\u66f4\u7b80\u5355\uff0c\u6211\u5c06\u8fd9\u4e9b\u6570\u7ec4\u7684\u503c\u8fde\u63a5\u8d77\u6765\u5e76\u5b58\u50a8\u5728X_train\u548cy_train\u6570\u7ec4\u4e2d\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-python\">X_train = np.append(norm_images, pneu_images, axis=0)\ny_train = np.append(norm_labels, pneu_labels)<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20201017123749285.png\" =\"\" =\"\" alt=\"\u4f7f\u7528CNN\u548cPython\u5b9e\u65bd\u7684\u80ba\u708e\u68c0\u6d4b (https:\/\/mushiming.com\/)  \u7b2c3\u5f20\" title=\"\u4f7f\u7528CNN\u548cPython\u5b9e\u65bd\u7684\u80ba\u708e\u68c0\u6d4b  \u7b2c3\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u6211\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u83b7\u53d6\u6bcf\u4e2a\u7c7b\u7684\u56fe\u50cf\u6570\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20201017123749479.png\" =\"\" =\"\" alt=\"\u4f7f\u7528CNN\u548cPython\u5b9e\u65bd\u7684\u80ba\u708e\u68c0\u6d4b (https:\/\/mushiming.com\/)  \u7b2c4\u5f20\" title=\"\u4f7f\u7528CNN\u548cPython\u5b9e\u65bd\u7684\u80ba\u708e\u68c0\u6d4b  \u7b2c4\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h4 id=\"\u663e\u793a\u591a\u5f20\u56fe\u50cf\">\u663e\u793a\u591a\u5f20\u56fe\u50cf<\/h4>\n<p>\u597d\u5427\uff0c\u5728\u8fd9\u4e2a\u9636\u6bb5\uff0c\u663e\u793a\u51e0\u4e2a\u56fe\u50cf\u5e76\u4e0d\u662f\u5f3a\u5236\u6027\u7684\u3002\u4f46\u6211\u60f3\u505a\u662f\u4e3a\u4e86\u786e\u4fdd\u56fe\u7247\u662f\u5426\u5df2\u7ecf\u52a0\u8f7d\u548c\u9884\u5904\u7406\u597d\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u7528\u4e8e\u663e\u793a14\u5f20\u4eceX_train\u9635\u5217\u968f\u673a\u62cd\u6444\u7684\u56fe\u50cf\u4ee5\u53ca\u6807\u7b7e\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-python\">fig, axes = plt.subplots(ncols=7, nrows=2, figsize=(16, 4))\n\nindices = np.random.choice(len(X_train), 14)\ncounter = 0\n\nfor i in range(2):\n    for j in range<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528CNN\u548cPython\u5b9e\u65bd\u7684\u80ba\u708e\u68c0\u6d4b\u4f5c\u8005|MuhammadArdi\u7f16\u8bd1|Flin\u6765\u6e90|analyticsvidhya\u4ecb\u7ecd\u563f\uff01\u51e0\u4e2a\u5c0f\u65f6\u524d\u6211\u521a\u521a\u5b8c\u6210\u4e00\u4e2a\u6df1\u5ea6\u5b66\u4e60\u9879...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/3271"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=3271"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/3271\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=3271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=3271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=3271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}