opencv/cv.go
func Laplace(src, dst *IplImage, aperture_size int) {
	C.cvLaplace(unsafe.Pointer(src), unsafe.Pointer(dst), C.int(aperture_size))
}
func Laplace(src, dst *IplImage, aperture_size int) {
	C.cvLaplace(unsafe.Pointer(src), unsafe.Pointer(dst), C.int(aperture_size))
}
//CVAPI(void) cvSmooth( const CvArr* src, CvArr* dst,
//                      int smoothtype CV_DEFAULT(CV_GAUSSIAN),
//                      int param1 CV_DEFAULT(3),
//                      int param2 CV_DEFAULT(0),
//                      double param3 CV_DEFAULT(0),
//                      double param4 CV_DEFAULT(0));
/* Laplace The function calculates the Laplacian */