Method frame

example/util/image_planeSeg_util.h:35–40

    struct frame
    {
        frame(const std::string &img_path,
              const std::string &mask_img_path,
              const double timestamp)
            : img_path_(img_path),
              mask_img_path_(mask_img_path),
              timestamp_(timestamp){};

        const std::string img_path_;
        const std::string mask_img_path_;