6,将视频文件保存为图片

static void Main(string[] args)
{
    VideoCapture ReadVideo = new VideoCapture(@"I:\OpenCvSharp学习\cylindrical.avi");
    int i = 0;
    while (ReadVideo.IsOpened())
    {
        Mat SaveImage = new Mat();
        ReadVideo.Read(SaveImage);//读取图片
        if (SaveImage.Empty())//判定是否为空
        {
            Console.WriteLine("读取完成");
            break;
        }
        i++;
        string imgPath = @"I:\OpenCvSharp学习\Temp\Test\" + i.ToString() + ".bmp";//保存路径
        Cv2.ImShow("video", SaveImage);//播放
        Cv2.ImWrite(imgPath, SaveImage);//保存图片
        if (Cv2.WaitKey(30) == 27)
        {
            break;
        }
    }
    Cv2.WaitKey(0);
}