(PECL imagick 2, PECL imagick 3)
Imagick::medianFilterImage — Applies a digital filter
This function has been DEPRECATED as of Imagick 3.4.4. Relying on this function is highly discouraged.
public Imagick::medianFilterImage ( float $radius ) : bool
Applies a digital filter that improves the quality of a noisy image. Each pixel is replaced by the median in a set of neighboring pixels as defined by radius.
radius
The radius of the pixel neighborhood.
Returns true on success.
Throws ImagickException on error.
Example #1 Imagick::medianFilterImage()
<?php
function medianFilterImage($radius, $imagePath) {
$imagick = new \Imagick(realpath($imagePath));
@$imagick->medianFilterImage($radius);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>
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https://www.php.net/manual/en/imagick.medianfilterimage.php