Gmagick::reducenoiseimage
(PECL gmagick >= Unknown)
Gmagick::reducenoiseimage — Smooths the contours of an image
说明
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.
错误／异常
错误时抛出 GmagickException。
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