Woolz Image Processing  Version 1.7.5
WlzRsvFilterObj - recursive filter for domain objects with grey values.
WlzRsvFilterObj - [-h] [-o<output object>]
                  [-a#,#,#,#] [-b#,#] [-c#]
                  [-P] [-n] [-g] [-d] [-p#] [-r#] [-t#]
                  [<input object>]
-h Help, prints usage message.
-o Output object file name.
-a Filter feed forward parameters.
-b Filter feed back parameters.
-c Filter normalization parameter.
-P Print filter parameters to the standard output.
-n Dont filter object.
-g Use approximate Gaussian filter.
-d Use Deriche filter.
-p Filter parameter for Gaussian (sigma) and Deriche (alpha).
-r Order of derivative for Gaussian and Deriche filters [0-2].
-t Filter directions, eg x filter along lines and x,y filter along lines then through columns.
Applies a recursive filter to a Woolz domain object with grey values. The input object is read from stdin and the filtered object is written to stdout unless the filenames are given. Objects with unsigned byte grey values will be promoted to short grey valued objects.
WlzRsvFilterObj -g -p 2.0 -r 0 -t y -o smoothed.wlz in.wlz
The input Woolz object is read from in.wlz, and filtered using a Gaussian filter with varience = 2.0. The is only applied through the objects columns. The filtered object is then written to smoothed.wlz.
See Also
WlzIntro(1) WlzGauss(1) WlzRsvFilterObj(3)