Imagick::getImageChannelMean
(PECL imagick 2, PECL imagick 3)
Imagick::getImageChannelMean — Gets the mean and standard deviation
Beschreibung
public Imagick::getImageChannelMean(int
$channel): arrayGets the mean and standard deviation of one or more image channels.
Parameter-Liste
-
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.
Rückgabewerte
Returns an array with "mean" and "standardDeviation"
members.
Fehler/Exceptions
Wirft ImagickException bei Fehlern.
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