Imagick::raiseImage
Imagick::readImage
The Imagick class
PHP Manual

# Imagick::randomThresholdImage

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

Imagick::randomThresholdImage — Creates a high-contrast, two-color image

### Descrição

bool Imagick::randomThresholdImage ( float `$low` , float `$high` [, int `$channel` ] )
Aviso

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

Changes the value of individual pixels based on the intensity of each pixel compared to threshold. The result is a high-contrast, two color image.

### Parâmetros

`low`

`high`

`channel`

### Valor Retornado

Retorna `TRUE` em sucesso.

Imagick::raiseImage
Imagick::readImage
The Imagick class
PHP Manual