Imagick::adaptiveThresholdImage

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

Imagick::adaptiveThresholdImage — Selects a threshold for each pixel based on a range of intensity

Description

bool Imagick::adaptiveThresholdImage ( int $width , int $height , int $offset )

Selects an individual threshold for each pixel based on the range of intensity values in its local neighborhood. This allows for thresholding of an image whose global intensity histogram doesn't contain distinctive peaks.

Liste de paramètres

width: Width of the local neighborhood.
height: Height of the local neighborhood.
offset: The mean offset

Valeurs de retour

Returns TRUE on success.