Imagick
PHP Manual

Imagick::reduceNoiseImage

(PECL imagick 2.0.0)

Imagick::reduceNoiseImageSmooths the contours of an image

Beschreibung

bool Imagick::reduceNoiseImage ( float $radius )

Smooths the contours of an image while still preserving edge information. The algorithm works by replacing each pixel with its neighbor closest in value. A neighbor is defined by radius. Use a radius of 0 and Imagick::reduceNoiseImage() selects a suitable radius for you.

Parameter-Liste

radius

Rückgabewerte

Liefert TRUE bei Erfolg.

Fehler/Exceptions

Wirft ImagickException bei Fehlern.

Beispiele

Beispiel #1 Imagick::reduceNoiseImage()

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

?>


Imagick
PHP Manual