Imagick::medianFilterImage

(PECL imagick 2.0.0)

Applies a digital filter

bool Imagick::medianFilterImage ( float $radius )

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.

Parameters:

radius

The radius of the pixel neighborhood.

Returns:

Returns TRUE on success.

Exception:

Throws ImagickException on error.

Examples:

Imagick::medianFilterImage()

<?php
function medianFilterImage($radius, $imagePath) {
    $imagick = new \Imagick(realpath($imagePath));
    @$imagick->medianFilterImage($radius);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}
 
?>

Links:

http://php.net/manual/en/imagick.medianfilterimage.php

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2025-01-10 15:47:30

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