gpiv_highpass1
Image low-pass filtering program.
Usage
gpiv_highpass [{-h | --help}]
[{-p | --print}]
[{-t
N | --threshold
N}]
[{-v | --version}]
[filename]
<
stdin
>
stdout
Overview
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.parand 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.
- gpivtools
History
- Debian 8 (Jessie) to Debian 6.0 (Squeeze): the text shown here
- Debian 5.0 (Lenny)
- Debian 4.0 (Etch)
--filter until Debian 4.0 (Etch);
-b until Debian 4.0 (Etch);
-f until Debian 4.0 (Etch);
-r until Debian 4.0 (Etch);
-w until Debian 4.0 (Etch).