{"author_name":"coffee_kabu","categories":["python","\u753b\u50cf\u89e3\u6790","numpy","opencv"],"url":"https://coffee-guhaw.hateblo.jp/entry/2025/12/12/000000","blog_title":"Bus error\u3068Segmentation fault\u306b\u56f0\u3063\u305f\u3089\u898b\u308b\u30d6\u30ed\u30b0","width":"100%","author_url":"https://blog.hatena.ne.jp/coffee_kabu/","height":"190","description":"import cv2 photo = cv2.imread('hoge.png') grays = cv2.cvtColor(photo, cv2.COLOR_RGB2GRAY) rgb = cv2.cvtColor(grays, cv2.COLOR_GRAY2RGB) \u307f\u305f\u3044\u306a\u611f\u3058\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u306e\u660e\u308b\u3055\u304c\u305d\u306e\u307e\u307eRGB\u306e\u305d\u308c\u305e\u308c\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u3089\u3057\u3044 \u4e00\u5ea6\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u306b\u3057\u305f\u3089\u3001\u5143\u306eRGB\u306b\u306f\u305d\u306e\u307e\u307e\u3067\u306f\u623b\u305b\u306a\u3044\u306e\u3067\u6ce8\u610f\u81ea\u5206\u304c\u3084\u308a\u305f\u304b\u3063\u305f\u306e\u306f\u3001\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u306e\u753b\u50cf\u3092\u4f7f\u3063\u3066(0, 0, 0)\u3068(255, 255, 255)\u306e2\u8272\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u307f\u305f\u3044\u306a\u3082\u306e\u3092\u4f5c\u308a\u305f\u304b\u3063\u305f\u3051\u3069\u3001 \u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u306e\u753b\u50cf\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcoffee-guhaw.hateblo.jp%2Fentry%2F2025%2F12%2F12%2F000000\" title=\"\u3010opencv\u3011\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u306b\u3057\u305f\u753b\u50cf\u3092RGB\u306b\u3059\u308b + \u771f\u3063\u9ed2\u306a\u753b\u50cf\u3092\u7528\u610f\u3059\u308b - Bus error\u3068Segmentation fault\u306b\u56f0\u3063\u305f\u3089\u898b\u308b\u30d6\u30ed\u30b0\" 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://coffee-guhaw.hateblo.jp/","version":"1.0","provider_name":"Hatena Blog","image_url":null,"provider_url":"https://hatena.blog","published":"2025-12-12 00:00:00","title":"\u3010opencv\u3011\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u306b\u3057\u305f\u753b\u50cf\u3092RGB\u306b\u3059\u308b + \u771f\u3063\u9ed2\u306a\u753b\u50cf\u3092\u7528\u610f\u3059\u308b","type":"rich"}