GoLang Imagick::adaptiveSharpenImage

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PHP Imagick::adaptiveSharpenImage

PHP original manual for Imagick::adaptiveSharpenImage [ show | php.net ]


(PECL imagick 2.0.0)

Imagick::adaptiveSharpenImageAdaptively sharpen the image


bool Imagick::adaptiveSharpenImage ( float $radius , float $sigma [, int $channel = Imagick::CHANNEL_DEFAULT ] )

Adaptively sharpen the image by sharpening more intensely near image edges and less intensely far from edges. This method is available if Imagick has been compiled against ImageMagick version 6.2.9 or newer.



The radius of the Gaussian, in pixels, not counting the center pixel. Use 0 for auto-select.


The standard deviation of the Gaussian, in pixels.


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

Returns TRUE on success.


Example #1 A Imagick::adaptiveSharpenImage() example

Adaptively sharpen the image with radius 2 and sigma 1.

try {
$image = new Imagick('image.png');
} catch(
ImagickException $e) {
'Error: ' $e->getMessage();
header('Content-type: image/png');

See Also