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- FLT8B2 28-SEP-83
- LINE:[] -Filter size in the line direction (odd #)
- SAMP:[] -Filter size in the sample direction (odd #)
- LOW:[0] -DN #s specifying the range of valid values to be used
- HIGH:[255]
- NORM:[] -DN value used to center the output data in a 0 to 255 range:
- HPF option add NORM:[127] and DIV option subtract NORM:[0]
- XFRC:[0] -Fraction of filter window that must have valid data for filtering
- to occur
- XMIN[1] -# of pixels of valid data needed in filter window for filtering
- to occur
- XADB:[0] -Specifies fraction of original image to be added back to HPF
- XMULT:[1] -Used to expand the range of the results
- (e.g., LINE=3,SAMP=5,LOW=1,XADB=.2)
-