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Imagick::adaptiveThresholdImage()

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

Syntax

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

Arguments

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

Description

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.

Version

PHP PECL imagick 2.0.0

Return value

Returns TRUE on success.