Imagick::getImageChannelMean
(PECL imagick 2, PECL imagick 3)
Imagick::getImageChannelMean — Gets the mean and standard deviation
Description
public Imagick::getImageChannelMean ( int $channel ) : array
Gets the mean and standard deviation of one or more image channels.
Parameters
-
channel -
Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Refer to this list of channel constants.
Return Values
Returns an array with "mean" and "standardDeviation" members.
Errors/Exceptions
Throws ImagickException on error.
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https://www.php.net/manual/en/imagick.getimagechannelmean.php