(PECL imagick 2 >= 2.3.0, PECL imagick 3)
Imagick::getImageChannelKurtosis — The getImageChannelKurtosis purpose
Get the kurtosis and skewness of a specific channel. 此方法在Imagick基于ImageMagick 6.4.9以上版本编译时可用。
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. 缺省为Imagick::CHANNEL_DEFAULT.
参考此 通道常数列表
Returns an array with kurtosis and skewness
members.
错误时抛出 ImagickException。