GPIV_LOWPASS(1) General Commands Manual GPIV_LOWPASS(1)
NAME
gpiv_lowpass - Image low-pass filtering program.
SYNOPSIS
gpiv_highpass [-h | --help] [-p | --print] [-t N | --threshold N] [-v | --version] [filename] < stdin > stdout
DESCRIPTION
gpiv_highpass High-pass filter for images.
The parameters read from the configuration resources (containing the key GPIV_IMGPROC) may be overruled by the command line options, as
explained below.
Options
-h | --help
On-line help
-t N | --threshold N
Threshold value
-v | --version
Print version information on standard output, then exit successfully.
filename
Input image filename. Overrides stdin and stdout with the full filename of the image. Output will be written to filename.png. Param-
eters are stored in filename.par and may be used for future use by including them in ./gpivrc. If stdin and stdout are used, the
input is expected to be a PNG formatted image.
SEE ALSO
gpivtools
AUTHOR
Gerber Van der Graaf
7 November 2006 GPIV_LOWPASS(1)
