PHP 7.1.21 Released

Gmagick::reducenoiseimage

(PECL gmagick >= Unknown)

Gmagick::reducenoiseimageSmooths the contours of an image

说明

public Gmagick Gmagick::reducenoiseimage ( float $radius )

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

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