{"image_url":null,"provider_name":"Hatena Blog","title":"Octave\u3067\u753b\u50cf\u306e\u30de\u30b9\u30af\u51e6\u7406\u3092\u884c\u3046","author_url":"https://blog.hatena.ne.jp/shuzo_kino/","author_name":"shuzo_kino","type":"rich","blog_url":"https://shuzo-kino.hateblo.jp/","published":"2021-01-25 23:56:25","width":"100%","url":"https://shuzo-kino.hateblo.jp/entry/2021/01/25/235625","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshuzo-kino.hateblo.jp%2Fentry%2F2021%2F01%2F25%2F235625\" title=\"Octave\u3067\u753b\u50cf\u306e\u30de\u30b9\u30af\u51e6\u7406\u3092\u884c\u3046 - 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>","version":"1.0","description":"%%%%%\u753b\u50cf\u30de\u30b9\u30af\u5316 pkg load image; img = rgb2gray(imread(IMAGEURL)); %%\u30b0\u30ec\u30a4\u30b9\u30b1\u30fc\u30eb\u5316 BWs = img > 20; %% 20\u3088\u308a\u4e0a\u306e\u6fc3\u3055\u306e\u307f\u6b8b\u3059 BW2 = bwareaopen(BWs, 300); %% \u9762\u7a4d300\u3088\u308a\u5c0f\u3055\u3044\u306e\u3092\u6d88\u3057\u305f\u3082\u306e\u3092\u30de\u30b9\u30af\u3068\u3057\u3066\u8a2d\u5b9a img(BW2 == 0) = 0; %%\u30de\u30b9\u30af\u3092\u30b0\u30ec\u30a4\u30b1\u30fc\u30eb\u30a4\u30e1\u30fc\u30b8\u306b\u9069\u7528 imshow(ROI); %%\u8868\u793a","provider_url":"https://hatena.blog","categories":["octave"],"blog_title":"Bye Bye Moore"}