/// <summary>
///
/// </summary>
/// <param name="m"></param>
public GpuMat(Mat m)
{
if (m == null)
{
throw new ArgumentNullException("m");
}
ptr = GpuInvoke.GpuMat_new4(m.CvPtr);
if (ptr == IntPtr.Zero)
{
throw new OpenCvSharpException();
}
}
