(PECL imagick 2.0.0)
Imagick::reduceNoiseImage — Smooths the contours of an image
Esta función no está documentada actualmente, solamente se encuentra disponible la lista de parámetros.
Smooths the contours of an image while still preserving edge information. The algorithm works by replacing each pixel with its neighbor closest in value. A neighbor is defined by radius. Use a radius of 0 and Imagick::reduceNoiseImage() selects a suitable radius for you.
Returns TRUE on success.
Throws ImagickException on error.