{"id":393,"date":"2020-12-05T08:25:44","date_gmt":"2020-12-04T23:25:44","guid":{"rendered":"http:\/\/hituji1012.xsrv.jp\/?p=393"},"modified":"2026-08-01T13:56:00","modified_gmt":"2026-08-01T04:56:00","slug":"70","status":"publish","type":"post","link":"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/70\/","title":{"rendered":"\u3010DeepLearning\u3011\u753b\u50cf\u306e\u30d5\u30a3\u30eb\u30bf\u51e6\u7406\u306b\u3064\u3044\u3066"},"content":{"rendered":"\n<p>\u6a5f\u68b0\u5b66\u7fd2\u3092\u5b66\u3093\u3067\u3044\u308b\u3068DeepLearning\u3092\u4f7f\u3063\u305f\u753b\u50cf\u306eAI\u3092\u3088\u304f\u898b\u304b\u3051\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u753b\u50cf\u306e\u30c7\u30fc\u30bf\u3084\u753b\u50cf\u51e6\u7406\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_38 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div 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class=\"ez-toc-section\" id=\"%E7%94%BB%E5%83%8F%E3%81%AF%E7%94%BB%E7%B4%A0%EF%BC%88%E3%83%94%E3%82%AF%E3%82%BB%E3%83%AB%EF%BC%89%E3%81%AE%E9%9B%86%E3%81%BE%E3%82%8A\"><\/span>\u753b\u50cf\u306f\u753b\u7d20\uff08\u30d4\u30af\u30bb\u30eb\uff09\u306e\u96c6\u307e\u308a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e0b\u8a18\u306e\u732b\u306e\u753b\u50cf\u3092\u62e1\u5927\u3059\u308b\u3068\u3069\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u3067\u3057\u3087\u3046\uff1f<\/p>\n<p><a href=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image1-1.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image1-1.jpg\" alt=\"\" width=\"301\" height=\"300\" class=\"aligncenter size-full wp-image-4607\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image1-1.jpg 301w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image1-1-100x100.jpg 100w, 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id=\"%E7%94%BB%E5%83%8F%E3%81%AF%E5%B9%85%E3%80%81%E5%A5%A5%E8%A1%8C%E3%81%8D%E3%80%81RGB%E3%81%AE3%E3%83%81%E3%83%A3%E3%83%B3%E3%83%8D%E3%83%AB%E3%80%81%E3%81%AE%E7%AB%8B%E6%96%B9%E4%BD%93%E3%81%AE%E3%83%87%E3%83%BC%E3%82%BF%E6%A7%8B%E9%80%A0\"><\/span>\u753b\u50cf\u306f\u5e45\u3001\u5965\u884c\u304d\u3001RGB\u306e3\u30c1\u30e3\u30f3\u30cd\u30eb\u3001\u306e\u7acb\u65b9\u4f53\u306e\u30c7\u30fc\u30bf\u69cb\u9020<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u753b\u50cf\u304c\u5e45\u3068\u9ad8\u3055\u306e\u30c7\u30fc\u30bf\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u304c\u3001\u5404\u30d4\u30af\u30bb\u30eb\u306e\u8272\u306f\u3069\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u8272\u306f\uff13\u5143\u8272\u306e\u8d64\u3001\u7dd1\u3001\u9752\u306eRGB(Red Green Blue)\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image3.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image3.jpg\" alt=\"\" width=\"247\" height=\"233\" class=\"aligncenter size-full wp-image-523\" \/><\/a><\/p>\n<p>\u306a\u306e\u3067\u30011\u3064\u306e\u30d4\u30af\u30bb\u30eb\u306b3\u3064\u306e\u30c7\u30fc\u30bf\uff083\u30c1\u30e3\u30f3\u30cd\u30eb\uff09\u5fc5\u8981\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>RGB\u305d\u308c\u305e\u308c0-255\u306e\u5024\u3067\u8868\u73fe\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>0\u306a\u3089\u8272\u306f\u3064\u304b\u305a\u3001255\u306a\u3089\u8272\u304c\u3064\u304d\u307e\u3059\u3002<\/p>\n<p>R:G:B\uff1d0:0:0\u306f\u9ed2\u8272\u3067\u3059\u3057\u3001R:G:B=255:255:255\u306f\u767d\u8272\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div>\n<div style=\"height: 15px;\"><span style=\"background: #91D8AC; padding: 10px 10px; border-radius: 10px; color: #ffffff; font-weight: bold; margin-left: 10px;\">\u30dd\u30a4\u30f3\u30c8<\/span><\/div>\n<div style=\"padding: 30px 15px 10px; border-radius: 5px; border: 8px solid #91D8AC;\">\n<p>\u753b\u50cf\u306f\u9ad8\u3055\u3001\u5e45\u3001\u5965\u884c\u304d3\u30c1\u30e3\u30f3\u30cd\u30eb\u3001\u306e\u7acb\u65b9\u4f53\u306e\u30c7\u30fc\u30bf\u306b\u306a\u308b<\/p>\n<\/div>\n<\/div>\n<p><a href=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image4.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image4.jpg\" alt=\"\" width=\"237\" height=\"208\" class=\"aligncenter size-full wp-image-525\" \/><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E7%94%BB%E5%83%8F%E5%87%A6%E7%90%86%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6\"><\/span>\u753b\u50cf\u51e6\u7406\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u753b\u50cf\u306f\u9ad8\u3055\u3001\u5e45\u30013ch\u306e0-255\u306e\u30c7\u30fc\u30bf\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3057\u3066\u3001\u8272\u3005\u306a\u30a8\u30d5\u30a7\u30af\u30c8\u3067\u753b\u50cf\u3092\u5909\u63db\u3057\u305f\u308a\u3001\u9854\u3084\u76ee\u9f3b\u53e3\u306e\u4f4d\u7f6e\u3092\u53d6\u5f97\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3092\u753b\u50cf\u51e6\u7406\u3068\u8a00\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b9\u30de\u30d5\u30a9\u3067\u8272\u3005\u306a\u76db\u308c\u308b\u9854\u306b\u5909\u63db\u3067\u304d\u308b\u306e\u3082\u753b\u50cf\u51e6\u7406\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u306a\u305b\u308b\u6280\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E7%94%BB%E5%83%8F%E5%87%A6%E7%90%86%E3%81%A7%E4%B8%80%E8%88%AC%E7%9A%84%E3%81%AB%E4%BD%BF%E3%82%8F%E3%82%8C%E3%82%8B%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA%E3%81%AFOpenCV\"><\/span>\u753b\u50cf\u51e6\u7406\u3067\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u306fOpenCV<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u753b\u50cf\u51e6\u7406\u3067\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u306f<a href=\"http:\/\/labs.eecs.tottori-u.ac.jp\/sd\/Member\/oyamada\/OpenCV\/html\/py_tutorials\/py_tutorials.html\" target=\"_blank\" rel=\"noopener noreferrer\">OpenCV<\/a>\u3068\u3044\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002<\/p>\n<p>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u4e0b\u8a18\u3067\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true \">pip install opencv-python<\/pre>\n<p>\u4e0b\u8a18\u306e\u753b\u50cf\u3092\u8aad\u307f\u8fbc\u3093\u3067\u307f\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/lena.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/lena-300x300.png\" alt=\"\" width=\"300\" height=\"300\" class=\"aligncenter size-medium wp-image-531\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/lena-300x300.png 300w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/lena-100x100.png 100w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/lena-150x150.png 150w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/lena-160x160.png 160w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/lena.png 512w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u753b\u50cf\u51e6\u7406\u3067\u3088\u304f\u4f7f\u308f\u308c\u308blena\u3055\u3093\u3067\u3059\u3002<\/p>\n<p>imread\u30e1\u30bd\u30c3\u30c9\u3067\u3001lena.png\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3093\u3067\u3001shape\u3067\u30c7\u30fc\u30bf\u306e\u5f62\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>imread\u30e1\u30bd\u30c3\u30c9\u3068\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u306e\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092Python\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u8aad\u307f\u8fbc\u3080\u969b\u306b\u7528\u3044\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true \">import cv2\r\nimg = cv2.imread('lena.png')\r\nimg.shape<\/pre>\n<pre class=\"\">(512, 512, 3)<\/pre>\n<p>\u9ad8\u3055:\u5e45:\u5965\u884c\u304d=512:512:3<\/p>\n<p>\u306a\u306e\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001\u4e00\u756a\u5de6\u4e0a\u306e\u5ea7\u6a19\u306eRGB\u306e\u5024\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u9ad8\u3055=0\u3001\u5e45=0\u306e\u5ea7\u6a19\u306e\u30c7\u30fc\u30bf\u3092\u898b\u307e\u3059\u3002\u5de6\u4e0a\u304c\u5fc5\u305a(0, 0)\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true\">img[0,0]<\/pre>\n<pre class=\"\">array([121, 133, 222], dtype=uint8)<\/pre>\n<p>R:G:B = 121:133:222\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u753b\u50cf\u3092\u8868\u793a\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:python decode:true \">import matplotlib.pyplot as plt\r\nplt.imshow(img)<\/pre>\n<p><a href=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image5.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image5-300x280.png\" alt=\"\" width=\"300\" height=\"280\" class=\"aligncenter size-medium wp-image-534\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image5-300x280.png 300w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image5.png 522w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u8272\u304c\u304a\u304b\u3057\u306a\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306fOpneCV\u306fRGB\u3067\u306f\u306a\u304f\u3001BGR\u306e\u9806\u306b\u8aad\u307f\u8fbc\u3080\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u4e0b\u8a18\u30b3\u30fc\u30c9\u3067\u3001RGB\u306b\u4fee\u6b63\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true\">img_rgb = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)\r\nplt.imshow(img_rgb)<\/pre>\n<p>\u8272\u304c\u5143\u306e\u753b\u50cf\u3068\u540c\u3058\u3082\u306e\u3067\u8868\u793a\u3055\u308c\u305f\u306f\u305a\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E8%89%B2%E3%80%85%E3%81%AA%E7%94%BB%E5%83%8F%E5%87%A6%E7%90%86%E3%80%80%E3%83%A2%E3%83%8E%E3%82%AF%E3%83%AD%E3%80%81%E5%B9%B3%E5%9D%87%E5%8C%96%E3%80%81%E3%82%A8%E3%83%83%E3%82%B8%E6%A4%9C%E5%87%BA\"><\/span>\u8272\u3005\u306a\u753b\u50cf\u51e6\u7406\u3000\u30e2\u30ce\u30af\u30ed\u3001\u5e73\u5747\u5316\u3001\u30a8\u30c3\u30b8\u691c\u51fa<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u753b\u50cf\u304c\u8aad\u307f\u8fbc\u3081\u305f\u306e\u3067\u3001\u8272\u3005\u753b\u50cf\u51e6\u7406\u3092\u304b\u3051\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E3%83%A2%E3%83%8E%E3%82%AF%E3%83%AD\"><\/span>\u30e2\u30ce\u30af\u30ed<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u307e\u305a\u3001\u30e2\u30ce\u30af\u30ed\u753b\u50cf\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true \"># BGR \u3092 GRAY\u306b\u5909\u63db\r\nimg_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)\r\n# img_gray\u306e\u30c7\u30fc\u30bf\u306e\u5f62\u78ba\u8a8d\r\nprint(img_gray.shape)\r\n# cmap=\"gray\"\u3067\u30b0\u30ec\u30fc\u3067\u8868\u793a\r\nplt.imshow(img_gray, cmap = \"gray\")<\/pre>\n<p><a href=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image6.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image6-300x244.png\" alt=\"\" width=\"300\" height=\"244\" class=\"aligncenter size-medium wp-image-535\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image6-300x244.png 300w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image6-600x487.png 600w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image6.png 744w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u30e2\u30ce\u30af\u30ed\u306b\u5909\u308f\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u5408\u308f\u305b\u3066\u3001img_gray\u306e\u30c7\u30fc\u30bf\u306e\u5f62\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u304c\u30013\u6b21\u5143\u76ee\u304c\u306a\u304f\u306a\u308a\u30012\u6b21\u5143\u30c7\u30fc\u30bf\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u3001\u30e2\u30ce\u30af\u30ed\u30c7\u30fc\u30bf\u306b\u306f\u8272\u30c7\u30fc\u30bf\u304c\u3044\u3089\u306a\u3044\u306e\u3067\u30010-255\u306e\u9ed2\u304b\u767d\u3067\u8868\u3055\u308c\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E5%B9%B3%E5%9D%87%E5%8C%96\"><\/span>\u5e73\u5747\u5316<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u6b21\u306f\u5e73\u5747\u5316\u3068\u3044\u3046\u51e6\u7406\u3067\u3001<a href=\"http:\/\/labs.eecs.tottori-u.ac.jp\/sd\/Member\/oyamada\/OpenCV\/html\/py_tutorials\/py_imgproc\/py_filtering\/py_filtering.html\" target=\"_blank\" rel=\"noopener noreferrer\">\u5e73\u5747\u5316\u30d5\u30a3\u30eb\u30bf<\/a>\u3068\u3082\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<p>\u4ed6\u306b\u3082\u4e2d\u592e\u5024\u306e\u30e1\u30b8\u30a2\u30f3\u30d5\u30a3\u30eb\u30bf\u306a\u3069\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u521d\u3081\u3066\u306e\u65b9\u306f\u3069\u3046\u3044\u3046\u98a8\u306b\u753b\u50cf\u304c\u5909\u308f\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5c11\u3057\u30dc\u30e4\u30c3\u3068\u3057\u305f\u753b\u50cf\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true\"># 7, 7 \u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3067\u5e73\u5747\u5316\r\nimg_rgb = cv2.blur(img_rgb,(7,7))\r\nplt.imshow(img_rgb)<\/pre>\n<p><a href=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image7.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image7-300x280.png\" alt=\"\" width=\"300\" height=\"280\" class=\"aligncenter size-medium wp-image-536\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image7-300x280.png 300w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image7.png 536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u3053\u308c\u306f\u30dc\u30e4\u30c3\u3068\u3057\u305f\u753b\u50cf\u3092\u4f5c\u308a\u305f\u3044\u306e\u3067\u306f\u306a\u304f\u3001\u753b\u50cf\u306e\u30ce\u30a4\u30ba\u3092\u3053\u308c\u3067\u53d6\u308a\u9664\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>blur\u30e1\u30bd\u30c3\u30c9\u306b\u306f(7, 7)\u3092\u6e21\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306f7\u00d77\u306e\u7bb1\u3092\u5e73\u5747\u5316\u51e6\u7406\u306b\u4f7f\u3046\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E3%82%A8%E3%83%83%E3%82%B8%E6%A4%9C%E5%87%BA\"><\/span>\u30a8\u30c3\u30b8\u691c\u51fa<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u6b21\u306f\u3001\u753b\u50cf\u306e\u30a8\u30c3\u30b8\u3092\u691c\u51fa\u3057\u307e\u3059\u3002<\/p>\n<p>\u30a8\u30c3\u30b8\u691c\u51fa\u306b\u306f<a href=\"http:\/\/labs.eecs.tottori-u.ac.jp\/sd\/Member\/oyamada\/OpenCV\/html\/py_tutorials\/py_imgproc\/py_canny\/py_canny.html\" target=\"_blank\" rel=\"noopener noreferrer\">Canny\u6cd5<\/a>\u3068\u547c\u3070\u308c\u308b\u65b9\u6cd5\u3092\u4f7f\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true \">img_edges = cv2.Canny(img_rgb,50,100)\r\nplt.imshow(img_edges, cmap='gray')<\/pre>\n<p><a href=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image8.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image8-300x291.png\" alt=\"\" width=\"300\" height=\"291\" class=\"aligncenter size-medium wp-image-537\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image8-300x291.png 300w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image8.png 536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Canny\u30e1\u30bd\u30c3\u30c9\u306eminVal: 50\u3084maxVal :100\u3067\u30a8\u30c3\u30b8\u306e\u691c\u51fa\u52a0\u6e1b\u3092\u8abf\u6574\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u8a73\u3057\u304f\u306f\u4e0b\u8a18\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u53c2\u8003\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"linkcard\"><div class=\"lkc-external-wrap\"><a class=\"lkc-link no_icon\" href=\"http:\/\/labs.eecs.tottori-u.ac.jp\/sd\/Member\/oyamada\/OpenCV\/html\/py_tutorials\/py_imgproc\/py_canny\/py_canny.html\" target=\"_blank\" rel=\"external noopener\"><div class=\"lkc-card\"><div class=\"lkc-info\"><div class=\"lkc-domain\">labs.eecs.tottori-u.ac.jp<\/div>&nbsp;<div class=\"lkc-share\"> <div class=\"lkc-sns-hb\">2 Users<\/div> <div class=\"lkc-sns-po\">15 Pockets<\/div><\/div><\/div><div class=\"lkc-content\"><figure class=\"lkc-thumbnail\"><img class=\"lkc-thumbnail-img\" src=\"https:\/\/s.wordpress.com\/mshots\/v1\/http%3A%2F%2Flabs.eecs.tottori-u.ac.jp%2Fsd%2FMember%2Foyamada%2FOpenCV%2Fhtml%2Fpy_tutorials%2Fpy_imgproc%2Fpy_canny%2Fpy_canny.html?w=200\" alt=\"\" \/><\/figure><div class=\"lkc-title\"><div class=\"lkc-title-text\">Canny\u6cd5\u306b\u3088\u308b\u30a8\u30c3\u30b8\u691c\u51fa \u2014 OpenCV-Python Tutorials 1 documentation<\/div><\/div><div class=\"lkc-url\">http:\/\/labs.eecs.tottori-u.ac.jp\/sd\/Member\/oyamada\/OpenCV\/html\/py_tutorials\/py_imgproc\/py_canny\/py_canny.html<\/div><div class=\"lkc-excerpt\"><\/div><\/div><div class=\"clear\"><\/div><\/div><\/a><\/div><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E3%83%95%E3%82%A3%E3%83%AB%E3%82%BF%E5%87%A6%E7%90%86\"><\/span>\u30d5\u30a3\u30eb\u30bf\u51e6\u7406<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>OpenCV\u3067\u306f\u7c21\u5358\u306b\u8272\u3005\u306a\u753b\u50cf\u51e6\u7406\u3092\u8a66\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>DeepLearning\u3067\u4f7f\u3046\u306e\u306f\u30d5\u30a3\u30eb\u30bf\u51e6\u7406\u306a\u306e\u3067\u3001\u30d5\u30a3\u30eb\u30bf\u51e6\u7406\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u307f\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30d5\u30a3\u30eb\u30bf\u306f\u5358\u7d14\u306b3\u00d73\u30845\u00d75\u306e\u7bb1\u3092\u52d5\u304b\u3057\u306a\u304c\u3089\u3001\u8a08\u7b97\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u5e73\u5747\u5316\u30d5\u30a3\u30eb\u30bf\u306e\u51e6\u7406\u3092\u5b9f\u88c5\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%83%95%E3%82%A3%E3%83%AB%E3%82%BF%E5%87%A6%E7%90%86%E3%81%AE%E8%A8%88%E7%AE%97%E6%96%B9%E6%B3%95\"><\/span>\u30d5\u30a3\u30eb\u30bf\u51e6\u7406\u306e\u8a08\u7b97\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8a08\u7b97\u306b\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u3068\u753b\u50cf\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image9-300x221.jpg\" alt=\"\" width=\"300\" height=\"221\" class=\"aligncenter size-medium wp-image-4600\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image9-300x221.jpg 300w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image9.jpg 433w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>\u53f3\u306e\u753b\u50cf\u306e\u6570\u5024\u306fimg_gray\u30c7\u30fc\u30bf\u304b\u3089\u53c2\u8003\u3068\u3057\u3066\u5f15\u3063\u5f35\u3063\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"lang:python decode:true \">img_gray[100:107,100:107]<\/pre>\n<p>\u8a08\u7b97\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u3067\u3059\u3002<\/p>\n<div>\n<div style=\"height: 15px;\"><span style=\"background: #91D8AC; padding: 10px 10px; border-radius: 10px; color: #ffffff; font-weight: bold; margin-left: 10px;\">\u51e6\u7406\u306e\u6d41\u308c<\/span><\/div>\n<div style=\"padding: 30px 15px 10px; border-radius: 5px; border: 8px solid #91D8AC;\">\n<ul>\n<li>3\u00d73\u306e\u30d5\u30a3\u30eb\u30bf\u3068\u753b\u50cf\u306e\u5de6\u4e0a\uff08\u8d64\u67a0\u7b87\u6240\uff09\u306e3\u00d73\u90e8\u5206\u3092\u639b\u3051\u7b97\u3057\u3066\u3001\u5e73\u5747<\/li>\n<li>\u5e73\u5747\u3057\u305f\u5024\u306f\u65b0\u3057\u3044\u753b\u50cf\u3068\u3057\u3066\u4fdd\u6301<\/li>\n<li>\u30d5\u30a3\u30eb\u30bf\u30921\u3064\u305a\u3089\u3059<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p>\u4e0a\u8a18\u3092\u3072\u305f\u3059\u3089\u3001\u7e70\u308a\u8fd4\u3057\u3066\u3001\u5e73\u5747\u5316\u753b\u50cf\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p>\n<p>\u53c2\u8003\u307e\u3067\u306b\u3001\u5de6\u4e0a\u306e\u8a08\u7b97\u306f\u300199 = (98*1 + 98*1 + 98*1 + 107*1 + 98*1 + 98*1 + 94*1 + 94*1 + 102*1)\/9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-544\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image10-2.jpg\" alt=\"\" width=\"754\" height=\"319\" \/><\/p>\n<p>\u30d5\u30a3\u30eb\u30bf\u306e1\u306e\u5024\u3092\u90e8\u5206\u7684\u306b0\u30840.5\u306a\u3069\u306b\u3057\u305f\u308a\u3001\u5e73\u5747\u3067\u306f\u306a\u304f\u6700\u5927\u5024\u3001\u6700\u5c0f\u5024\u3001\u4e2d\u592e\u5024\u306a\u3069\u3092\u53d6\u308b\u3053\u3068\u3067\u30d5\u30a3\u30eb\u30bf\u51e6\u7406\u3055\u308c\u308b\u7d50\u679c\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u4e0a\u8a18\u4f8b\u3067\u306f1\u3064\u305a\u3064\u30d5\u30a3\u30eb\u30bf\u3092\u305a\u3089\u3057\u3066\u8a08\u7b97\u3057\u307e\u3059\u304c\u3001DeepLearning\u3067\u306f2\u3064\u305a\u3064\u305a\u3089\u3059\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%AE%9F%E8%A3%85\"><\/span>\u5b9f\u88c5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>3\u00d73\u306e\u30d5\u30a3\u30eb\u30bf\u3092\u3001\u5148\u307b\u3069\u30e2\u30ce\u30af\u30ed\u306b\u5909\u63db\u3057\u305fimg_gray\u3092\u5bfe\u8c61\u306b\u5b9f\u88c5\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u307e\u305a\u3001\u5e73\u5747\u5316\u3057\u305f\u753b\u50cf\u306e\u914d\u5217\u3068\u30d5\u30a3\u30eb\u30bf\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true\">import numpy as np\r\n# \u65b0\u3057\u3044\u753b\u50cf\u306e\u914d\u5217 \u5168\u30660\u306e\u5024\r\nimg_new = np.zeros([img_gray.shape[0]-2, img_gray.shape[1]-2])\r\n# \u30d5\u30a3\u30eb\u30bf \u5168\u30661\u306e\u5024\r\nimg_filter = np.ones([3, 3])<\/pre>\n<p>\u5f8c\u306f\u3001\u5148\u307b\u3069\u306e\u624b\u9806\u901a\u308a\u306b\u5b9f\u88c5\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>x\u3068y\u306e\u5ea7\u6a19\u3092\u305a\u3089\u3057\u306a\u304c\u3089\u3001\u5e73\u5747\u3092\u7b97\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true \"># \u5ea7\u6a19\u30921\u3064\u305a\u3064\u305a\u3089\u3057\u306a\u304c\u3089\u3001\u5e73\u5747\u5024\u3092\u7b97\u51fa\r\nfor x in range(1,img_gray.shape[1]-1):\r\n    for y in range(1,img_gray.shape[0]-1):\r\n        # \u753b\u50cf\u3092\u30d5\u30a3\u30eb\u30bf\u30b5\u30a4\u30ba\u3067\u53d6\u5f97\r\n        img_temp = img_gray[y-1:y+2, x-1:x+2]\r\n        # \u30d5\u30a3\u30eb\u30bf*\u753b\u50cf\u306e\u5408\u8a08\u5024\r\n        sum_val = np.sum(img_filter * img_temp)\r\n        # \u5e73\u5747\r\n        avg_val = sum_val \/ (img_filter.shape[1]*img_filter.shape[0])\r\n        # \u65b0\u3057\u3044\u753b\u50cf\u306b\u5024\u3092\u5165\u308c\u308b\r\n        img_new[y-1, x-1] = avg_val<\/pre>\n<p>\u3067\u304d\u305f\u753b\u50cf\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true \">print(img_new.shape)\r\nplt.imshow(img_new, cmap='gray')<\/pre>\n<p><a href=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image11.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/image11-300x288.png\" alt=\"\" width=\"300\" height=\"288\" class=\"aligncenter size-medium wp-image-546\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image11-300x288.png 300w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/image11.png 532w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u30d1\u30c3\u3068\u898b\u5206\u304b\u3089\u306a\u3044\u3067\u3059\u304c\u3001\u8a08\u7b97\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d5\u30a3\u30eb\u30bf\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3057\u3066\u8272\u3005\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>img_new\u306f512\u00d7512\u304b\u3089510\u00d7510\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30b5\u30a4\u30ba\u306b\u3088\u3063\u3066\u3001\u753b\u50cf\u306e\u7aef\u3092\u8a08\u7b97\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u5834\u5408\u306f\u3001\u30c0\u30df\u30fc\u306e\u5024\u3092\u5165\u308c\u3066\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u753b\u50cf\u306e\u30d5\u30a3\u30eb\u30bf\u51e6\u7406\u306b\u3064\u3044\u3066\u7406\u89e3\u3067\u304d\u305f\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u3053\u306e\u8a08\u7b97\u306fDeepLearning\u3067\u3082\u4f7f\u308f\u308c\u307e\u3059\u306e\u3067\u3001\u3057\u3063\u304b\u308a\u7406\u89e3\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6a5f\u68b0\u5b66\u7fd2\u3092\u5b66\u3093\u3067\u3044\u308b\u3068DeepLearning\u3092\u4f7f\u3063\u305f\u753b\u50cf\u306eAI\u3092\u3088\u304f\u898b\u304b\u3051\u308b\u3068\u601d\u3044\u307e\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u753b\u50cf\u306e\u30c7\u30fc\u30bf\u3084\u753b\u50cf\u51e6\u7406\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002 \u753b\u50cf\u30c7\u30fc\u30bf\u306e\u4ed5\u7d44\u307f\u3068\u306f\uff1f \u30c7\u30b8\u30ab\u30e1\u3001\u30b9\u30de\u30d5\u30a9\u3068\u4eca\u3067\u306f\u5927\u91cf\u306e\u753b\u50cf\u304c &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/70\/\"> <span class=\"screen-reader-text\">\u3010DeepLearning\u3011\u753b\u50cf\u306e\u30d5\u30a3\u30eb\u30bf\u51e6\u7406\u306b\u3064\u3044\u3066<\/span> \u3082\u3063\u3068\u8aad\u3080 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":12847,"comment_status":"open","ping_status":"open","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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","_themeisle_gutenberg_block_has_review":false},"categories":[127],"tags":[93,100],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/posts\/393"}],"collection":[{"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/comments?post=393"}],"version-history":[{"count":7,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/posts\/393\/revisions"}],"predecessor-version":[{"id":13998,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/posts\/393\/revisions\/13998"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/media\/12847"}],"wp:attachment":[{"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/media?parent=393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/categories?post=393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/tags?post=393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}