Gmagick::medianfilterimage
(PECL gmagick >= Unknown)
Gmagick::medianfilterimage — Applies a digital filter
说明
public
Gmagick::medianfilterimage (
float
$radius
) :
void
Applies a digital filter that improves the quality of a noisy image. Each pixel is replaced by the median in a set of neighboring pixels as defined by radius.
参数
-
radius
-
The radius of the pixel neighborhood.
返回值
Gmagick object with median filter applied.
错误/异常
错误时抛出 GmagickException。