public void Merge(CVImage blue, CVImage green, CVImage red)
{
__IplImagePtr c0 = blue != null ? blue.image : IntPtr.Zero;
__IplImagePtr c1 = green != null ? green.image : IntPtr.Zero;
__IplImagePtr c2 = red != null ? red.image : IntPtr.Zero;
PInvoke.cvMerge(c0, c1, c2, IntPtr.Zero, image);
CVUtils.CheckLastError();
}