gpiv_fft(1)

gpiv_fft1

Fast fourier transformation of image .

Usage

gpiv_fft [{-h | --help}] [{-p | --print}] [{-v | --version}] [filename] < stdin > stdout

Overview

gpiv_fft converts an image to its Fourier Transform using FFT.

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

-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.

gpivtools

Releases

5 releases since Debian 4.0 (Etch); the text changed 2 times.

  1. 4.0
  2. 5.0
  3. 6.0–8

--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).

Author

Gerber Van der Graaf

From gpivtools 0.6.0-3.1 in Debian 8 (Jessie). Also shipped by gpivtools-mpi. Parsed by carta from the page's man source.