opencv/cv.go
func Smooth(src, dst *IplImage, smoothtype,
	param1, param2 int, param3, param4 float64) {
	C.cvSmooth(unsafe.Pointer(src), unsafe.Pointer(dst), C.int(smoothtype),
		C.int(param1), C.int(param2), C.double(param3), C.double(param4),
	)
}
func Smooth(src, dst *IplImage, smoothtype,
	param1, param2 int, param3, param4 float64) {
	C.cvSmooth(unsafe.Pointer(src), unsafe.Pointer(dst), C.int(smoothtype),
		C.int(param1), C.int(param2), C.double(param3), C.double(param4),
	)
}
/* Smoothes array (removes noise) */