private Mat preprocessShape(OpenCvSharp.CPlusPlus.Rect shapeRect, Mat sceneMat)
{
var matRect = new OpenCvSharp.CPlusPlus.Rect(0, 0, sceneMat.Width, sceneMat.Height);
shapeRect.Inflate((int)(shapeRect.Width * 0.1), (int)(shapeRect.Height * 0.1));
shapeRect = shapeRect.Intersect(matRect);
Mat shapeMat = sceneMat.SubMat(shapeRect);
var size = new OpenCvSharp.CPlusPlus.Size(128, 128);
shapeMat = shapeMat.Resize(size);
return(shapeMat);
}
/// <summary>
/// このCvRectを指定の量だけ膨らませる
/// </summary>
/// <param name="rect">対象の矩形</param>
/// <param name="x">水平方向の膨張量</param>
/// <param name="y">垂直方向の膨張量</param>
/// <returns></returns>
#else
/// <summary>
/// Creates and returns an inflated copy of the specified CvRect structure.
/// </summary>
/// <param name="rect">The Rectangle with which to start. This rectangle is not modified. </param>
/// <param name="x">The amount to inflate this Rectangle horizontally. </param>
/// <param name="y">The amount to inflate this Rectangle vertically. </param>
/// <returns></returns>
#endif
public static Rect Inflate(Rect rect, int x, int y)
{
rect.Inflate(x, y);
return(rect);
}