Imagick::reduceNoiseImage
(PECL imagick 2.0.0)
Imagick::reduceNoiseImage — Smooths the contours of an image
설명
bool Imagick::reduceNoiseImage
( float
$radius
)Smooths the contours of an image while still preserving edge information. The algorithm works by replacing each pixel with its neighbor closest in value. A neighbor is defined by radius. Use a radius of 0 and Imagick::reduceNoiseImage() selects a suitable radius for you.
인수
-
radius -
반환값
성공시에 TRUE를 반환합니다.
오류/예외
오류시에 ImagickException이 발생합니다.
예제
Example #1 Imagick::reduceNoiseImage()
<?php
function reduceNoiseImage($imagePath, $reduceNoise) {
$imagick = new \Imagick(realpath($imagePath));
@$imagick->reduceNoiseImage($reduceNoise);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>
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