hipass3(6D)

hipass3 - high pass filter an image

As shipped in IRIX 6.5.15. Unchanged since IRIX 6.5.

NAME
     hipass3 - high pass filter an image

SYNOPSIS
     hipass3 inimage outimage mag

DESCRIPTION
     hipass3 performs a high pass filter on an image using a 3 by 3 filter
     kernel.  mag specifies how much to increase the high frequencies.  A
     value of 0.0 will not change the image.  1.0 will significantly increase
     the high frequencies in the image.