Imagick::getImageChannelMean

(No version information available, might be only in CVS)

Imagick::getImageChannelMean — Gets the mean and standard deviation

Description

array Imagick::getImageChannelMean ( int $channel )

Warning

This function is currently not documented; only its argument list is available.

Gets the mean and standard deviation of one or more image channels. Return value is an associative array with the keys "mean" and "standardDeviation".

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. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

Return Values

Returns TRUE on success.

Errors/Exceptions

Throws ImagickException on error.