void 膨張(ref Mat src)
{
if (マスク元画像 != null)
{
src = マスク元画像.Clone();
src = src.Threshold(254, 255, ThresholdTypes.Binary);
Mat element = Cv2.GetStructuringElement(MorphShapes.Rect, new OpenCvSharp.Size(trackBar_mask.Value, trackBar_mask.Value), new OpenCvSharp.Point(trackBar_mask.Value / 2, trackBar_mask.Value / 2));
src = src.MorphologyEx(MorphTypes.DILATE, element);
pictureBoxIpl1.ImageIpl = src;
}
}