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winstat [-w rows<integer> [cols<integer>]]
[-lm | -gm | -nm]
[-var | -sd] [imagefile]
- -w
- Window size
- -lm
- Use local mean when computing the variance (default)
- -gm
- use global mean...
- -nm
- Don't use mean (assume that the mean is zero)
- -var
- Calculate windowed variance (default)
- -sd
- Calculate windowed standard deviation