Imagick::getImageChannelStatistics

(PECL imagick 2.0.0)

Imagick::getImageChannelStatistics — Returns statistics for each channel in the image

说明

Imagick::getImageChannelStatistics ( void ) : array

Returns statistics for each channel in the image. The statistics include the channel depth, its minima and maxima, the mean, and the standard deviation. You can access the red channel mean, for example, like this:

返回值

成功时返回 TRUE。

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