OpenCVSharpでトリミングする関数

trimming.cs

private IplImage trimming(IplImage src, int x, int y, int width, int height){
    IplImage dest = new IplImage(width, height, src.Depth, src.NChannels);
    Cv.SetImageROI(src, new CvRect(x, y, width, height));
    dest = Cv.CloneImage(src);
    Cv.ResetImageROI(src);
    return dest;
}