PYTHON Imagick::sharpenImage

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PHP Imagick::sharpenImage

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

Imagick::sharpenImage

(PECL imagick 2.0.0)

Imagick::sharpenImageSharpens an image

Description

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

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

Sharpens an image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, the radius should be larger than sigma. Use a radius of 0 and selects a suitable radius for you.

Parameters

radius

sigma

channel

Return Values

Returns TRUE on success.