Imagick::reduceNoiseImage
(PECL imagick 2, PECL imagick 3)
Imagick::reduceNoiseImage — Smooths the contours of an image
Warning
This function has been DEPRECATED as of Imagick 3.4.4. Relying on this function is highly discouraged.
Description
public Imagick::reduceNoiseImage(float
$radius): boolSmooths the contours of an image while still preserving edge information. The algorithm works by replacing each pixel with its neighbor closest in value. A neighbor is defined by radius. Use a radius of 0 and Imagick::reduceNoiseImage() selects a suitable radius for you.
Parameters
-
radius -
Return Values
Returns true on success.
Errors/Exceptions
Throws ImagickException on error.
Examples
Example #1 Imagick::reduceNoiseImage()
<?php
function reduceNoiseImage($imagePath, $reduceNoise) {
$imagick = new \Imagick(realpath($imagePath));
@$imagick->reduceNoiseImage($reduceNoise);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>
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