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       gpiv_smooth - Image smoothing program for PIV images.


       gpiv_smooth  [-h | --help] [-p | --print] [-o N | --operation N] [-w N]
       [-v | --version] [filename] < stdin > stdout


       gpiv_smooth set each pixel value equal to the mean within a window  and
       eventually subtracts, adds, mulriplies or divides the mean value.

       The  parameters  read  from the configuration resources (containing the
       key GPIV_IMGPROC) may be overruled by  the  command  line  options,  as
       explained below.


       -h | --help
              On-line help

       -o N | --operation N
              Set  pixel  equal to the mean of the window value (N0), subtract
              mean from from pixel (N1) add (N2), multiply (N3) or divide (N4)

       -v | --version
              Print   version   information  on  standard  output,  then  exit

       -w N   window size (default: 15)

              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


       Gerber Van der Graaf

                                7 November 2006