(PECL imagick 2, PECL imagick 3)
Imagick::medianFilterImage — Applies a digital filter
此函数在 Imagick 3.4.4 中被 废弃，强烈建议不要应用此函数。
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.
radiusThe radius of the pixel neighborhood.
成功时返回 true。
错误时抛出 ImagickException。
示例 #1 Imagick::medianFilterImage()
<?php
function medianFilterImage($radius, $imagePath) {
$imagick = new \Imagick(realpath($imagePath));
@$imagick->medianFilterImage($radius);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>