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. Parameters 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
