PYTHON Imagick::adaptiveSharpenImage

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PHP Imagick::adaptiveSharpenImage

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

Imagick::adaptiveSharpenImage

(PECL imagick 2.0.0)

Imagick::adaptiveSharpenImageAdaptively sharpen the image

Description

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

This function is currently not documented; only its argument list is available.

Adaptively sharpen the image by sharpening more intensely near image edges and less intensely far from edges.

Parameters

radius

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

sigma

The standard deviation of the Gaussian, in pixels.

channel

Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

Return Values

Returns TRUE on success.

Examples

Example #1 A Imagick::adaptiveSharpenImage() example

Adaptively sharpen the image with radius 2 and sigma 1.

<?php
try {
    
$image = new Imagick('image.png');
    
$image->adaptiveSharpenImage(2,1);
} catch(
ImagickException $e) {
    echo 
'Error: ' $e->getMessage();
    die();
}
header('Content-type: image/png');
echo 
$image;
?>

See Also