(PECL imagick 2 >= 2.3.0, PECL imagick 3)
Imagick::getImageChannelKurtosis — The getImageChannelKurtosis purpose
public Imagick::getImageChannelKurtosis ([ int $channel = Imagick::CHANNEL_DEFAULT ] ) : array
Get the kurtosis and skewness of a specific channel. This method is available if Imagick has been compiled against ImageMagick version 6.4.9 or newer.
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
Returns an array with kurtosis and skewness members.
Throws ImagickException on error.
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https://www.php.net/manual/en/imagick.getimagechannelkurtosis.php