home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
GRIPS 2: Government Rast…rocessing Software & Data
/
GRIPS_2.cdr
/
dos
/
pc_mips
/
flt8b2.paf
< prev
next >
Wrap
Text File
|
1990-06-25
|
708b
|
15 lines
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)