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<Gmagick::readimagefileGmagick::removeimage>
^GmagickLast updated: Mon, 26 Oct 2026

Gmagick::reducenoiseimage

(PECL gmagick >= Unknown)

Gmagick::reducenoiseimage — Smooths the contours of an image

Description

public function Gmagick::reducenoiseimage(float $radius): Gmagick

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 Gmagick::reducenoiseimage() selects a suitable radius for you.

Parameters

radius

The radius of the pixel neighborhood.

Return Values

The Gmagick object.

Errors/Exceptions

Throws an GmagickException on error.


<Gmagick::readimagefileGmagick::removeimage>
^GmagickLast updated: Mon, 26 Oct 2026