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HELP
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FILTER.HLP
(
.txt
)
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1988-04-06
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257b
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7 lines
filter : 3x3 rotation symmetric filter.
central:cc, diagonal:cd, hori/verti:chv.
out = filter(in) * (mul/1024) + add
cmd : filter in, out, cd, chv, cc, mul, add
dflt: filter A, B , 0 , -1 , 4 ,2048, 0
range: <A-D><A-D>,<-/+1000>,<10000><-+255>