Imagick::selectiveBlurImage
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Imagick::selectiveBlurImage — Description
Description
public void Imagick::selectiveBlurImage ( float $radius , float $sigma , float $threshold , int $CHANNEL )Selectively blur an image within a contrast threshold. It is similar to the unsharpen mask that sharpens everything with contrast above a certain threshold.
Parameters
radius sigma threshold CHANNEL
Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. Defaults to Imagick::CHANNEL_DEFAULT. Refer to this list of channel constants
Return Values
Examples
Example #1 Imagick::selectiveBlurImage()
<?php
function?selectiveBlurImage($imagePath,?$radius,?$sigma,?$threshold,?$channel)?{
????$imagick?=?new?\Imagick(realpath($imagePath));
????$imagick->selectiveBlurImage($radius,?$sigma,?$threshold,?$channel);
????header("Content-Type:?image/jpg");
????echo?$imagick->getImageBlob();
}
?>← Imagick::segmentImage
Imagick::separateImageChannel →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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