Imagick::getImageChannelExtrema
Imagick::getImageChannelStatistics
The Imagick class
PHP Manual

# Imagick::getImageChannelMean

(PECL imagick 2.0.0)

Imagick::getImageChannelMean — Gets the mean and standard deviation

### Descrição

array Imagick::getImageChannelMean ( int `$channel` )
Aviso

Esta função não está documentada; somente a lista de argumentos está disponível.

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

### Parâmetros

`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.

### Valor Retornado

Retorna `TRUE` em sucesso.

### Erros

Dispara ImagickException em erro.

Imagick::getImageChannelExtrema
Imagick::getImageChannelStatistics
The Imagick class
PHP Manual