Imagick::adaptiveThresholdImage
(no version information, 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.
Parameters
width
Width of the local neighborhood.
height
Height of the local neighborhood.
offset
The mean offset
Return Values
Returns TRUE on success.