{"height":"190","version":"1.0","title":"OpenCV\u3067\u30a2\u30ca\u30ed\u30b0\u30e1\u30fc\u30bf\u30fc\u306e\u89d2\u5ea6\u3092\u8aad\u307f\u53d6\u308b\u3000\u305d\u306e\uff11\uff1a\u30a8\u30c3\u30b8\u306e\u691c\u51fa","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshuzo-kino.hateblo.jp%2Fentry%2F2022%2F03%2F04%2F235825\" title=\"OpenCV\u3067\u30a2\u30ca\u30ed\u30b0\u30e1\u30fc\u30bf\u30fc\u306e\u89d2\u5ea6\u3092\u8aad\u307f\u53d6\u308b\u3000\u305d\u306e\uff11\uff1a\u30a8\u30c3\u30b8\u306e\u691c\u51fa - Bye Bye Moore\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://shuzo-kino.hateblo.jp/","description":"\u30cf\u30d5\u5909\u63db\u3068\u3044\u3046\u65b9\u6cd5\u3067\u65b9\u5411\u3092\u691c\u77e5\u3067\u304d\u308b \u305d\u306e\u524d\u51e6\u7406\u3068\u3057\u3066\u3001\u30a8\u30c3\u30b8\u306e\u691c\u51fa\u304c\u5fc5\u8981 \u5b9f\u969b\u306e\u3068\u3053\u308d canny\u6cd5\u3068\u3044\u3046\u624b\u6cd5\u3092\u3064\u304b\u3063\u3066\u30a8\u30c3\u30b8\u306e\u691c\u51fa\u3092\u3057\u307e\u3059\u3002 OpenCV\u3067\u306f\u305d\u306e\u307e\u3093\u307eCanny\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u540d\u3067\u3001\u753b\u50cf\u3001\u4e0b\u9650\u3001\u4e0a\u9650\u3068\u5f15\u6570\u304c\u7d9a\u304d\u307e\u3059\u3002 import cv2 import numpy as np img = cv2.imread('gauge.jpg') gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY) edges = cv2.Canny(gray,150,200,apertureSize = 3) # \u8868\u793a #cv2.imshow(\"Show BINAR\u2026","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/shuzo_kino/","url":"https://shuzo-kino.hateblo.jp/entry/2022/03/04/235825","categories":["python","opencv"],"author_name":"shuzo_kino","published":"2022-03-04 23:58:25","provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/shuzo_kino/20220304/20220304234901.png","type":"rich","blog_title":"Bye Bye Moore","width":"100%"}