= 2.3.0, PECL imagick 3)Imagick::getImageChannelKurtosis — The getImageChannelKurtosis purpose說(shuō)明publi">

Imagick::getImageChannelKurtosis

(PECL imagick 2 >= 2.3.0, PECL imagick 3)

Imagick::getImageChannelKurtosis — The getImageChannelKurtosis purpose

說(shuō)明

public Imagick::getImageChannelKurtosis(int $channel = Imagick::CHANNEL_DEFAULT): array

Get the kurtosis and skewness of a specific channel. 此方法在Imagick基于ImageMagick 6.4.9以上版本編譯時(shí)可用。

參數(shù)

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. 缺省為Imagick::CHANNEL_DEFAULT. 參考此 通道常數(shù)列表

返回值

Returns an array with kurtosis and skewness members.

錯(cuò)誤／異常

錯(cuò)誤時(shí)拋出 ImagickException。