(PECL gmagick >= Unknown)
Gmagick::medianfilterimage — Applies a digital filter
$radius): voidApplies 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.
radiusThe radius of the pixel neighborhood.
Gmagick object with median filter applied.
錯誤時(shí)拋出 GmagickException。