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

Описание

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.

Параметри

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

Връщани стойности

Връща TRUE при успех.

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Imagick::adaptiveThresholdImage

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Last updated: Fri, 14 Nov 2008