{"type":"rich","image_url":null,"description":"\u307e\u305a\u306f\u30bd\u30fc\u30b9 #include <iostream> #include <string> #include <sstream> #include <iomanip> #include <opencv2/opencv.hpp> int video_to_image(std::string result_image_name, std::string video_path, std::string ext) { cv::VideoCapture video(video_path); if (!video.isOpened()) { return -1; } int frame_num = vide\u2026","blog_url":"https://kisqragi.hatenablog.com/","provider_url":"https://hatena.blog","author_name":"kisaragi211","width":"100%","height":"190","published":"2019-11-02 13:09:21","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkisqragi.hatenablog.com%2Fentry%2F2019%2F11%2F02%2F130921\" title=\"C++ Opencv \u52d5\u753b\u304b\u3089\u9759\u6b62\u753b\u3092\u51fa\u529b\u3059\u308b - kisaragi\u306e\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>","version":"1.0","blog_title":"kisaragi\u306e\u30d6\u30ed\u30b0","provider_name":"Hatena Blog","url":"https://kisqragi.hatenablog.com/entry/2019/11/02/130921","author_url":"https://blog.hatena.ne.jp/kisaragi211/","categories":[],"title":"C++ Opencv \u52d5\u753b\u304b\u3089\u9759\u6b62\u753b\u3092\u51fa\u529b\u3059\u308b"}