Imagick::getImageChannelKurtosis
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Imagick::getImageChannelKurtosis — The getImageChannelKurtosis purpose
说明
public Imagick::getImageChannelKurtosis
([ int
$channel
= Imagick::CHANNEL_DEFAULT
] ) : arrayGet 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。
参数
-
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
返回值
Returns an array with kurtosis and skewness members.
错误/异常
错误时抛出 ImagickException。