Gmagick::reducenoiseimage()

(PECL gmagick >= Unknown)

Smooths the contours of an image

说明

publicGmagick::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.

参数

$radius

The radius of the pixel neighborhood.

返回值

The Gmagick object on success

错误／异常

错误时抛出GmagickException。