(PECL imagick 2.0.0)
Imagick::medianFilterImage — Applies a digital filter
$radius
) : boolApplies a digital filter that improves the quality of a noisy image. Each pixel is replaced by the median in a set of neighboring pixels as defined by radius.
radiusThe radius of the pixel neighborhood.
成功时返回 TRUE。
错误时抛出 ImagickException。
Example #1 Imagick::medianFilterImage()
<?php
function medianFilterImage($radius, $imagePath) {
$imagick = new \Imagick(realpath($imagePath));
@$imagick->medianFilterImage($radius);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>