Applies a digital filter

# Gmagick::medianfilterimage

(PECL gmagick >= Unknown)

Gmagick::medianfilterimage — Applies a digital filter

### 说明

public function 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。

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