abs(6D)

abs - get the absolute value of an image

As shipped in IRIX 6.5.15. Unchanged since IRIX 6.5.

NAME
     abs - get the absolute value of an image

SYNOPSIS
     abs inimage outimage

DESCRIPTION
     abs generates outimage which contains the absolute value of the input
     image.  This treats input values as signed 8-bit quantities.  Input
     values of 0 map to white. 255 also maps to white.  128 maps into black.