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Imagick::reduceNoiseImage

PHP function Deprecated as of PECL imagick 3.4.4 Edit on GitHub ✎

(PECL imagick 2, PECL imagick 3)

Smooths the contours of an image

Function-3-4-4

Description

Imagick::reduceNoiseImage(float $radius): bool

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.

Parameters

radius

Return Values

Success

Errors/Exceptions

Throws

Examples

Imagick::reduceNoiseImage()

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

?>

Source: reference/imagick/imagick/reducenoiseimage.xml · from the official PHP manual (php/doc-en)