Imagick::medianFilterImage
(PECL imagick 2.0.0)
Imagick::medianFilterImage — Applies a digital filter
설명
bool Imagick::medianFilterImage
( float
$radius
)Applies a digital filter that improves the quality of a noisy image. Each pixel is replaced by the median in a set of neighboring pixels as defined by radius.
인수
-
radius -
The radius of the pixel neighborhood.
반환값
성공시에 TRUE를 반환합니다.
오류/예외
오류시에 ImagickException이 발생합니다.
예제
Example #1 Imagick::medianFilterImage()
<?php
function medianFilterImage($radius, $imagePath) {
$imagick = new \Imagick(realpath($imagePath));
@$imagick->medianFilterImage($radius);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>
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