I use ImageMagick convert for editing scanned 35mm images & it is superb
imho. It's the only app that'll do complex edits on large ~3000x2000
16-bit tiffs with sufficient speed on my humble windoze me machine.
Thanks to every one who has contributed!
Anyway I typically use the -unsharp command with 0 radius, letting
convert figure out an appropriate radius, e.g.
-unsharp 0x1+4+0
(I've done extensive fiddling with the parameters and this is what I use
for producing a sharpened image for later layering.)
Question is how does IM go about determining an appropriate radius? & is
it image size dependant?
I can (sort of) read code but have not downloaded the source. So if my
?'s are best answered by my reading the code I'd appreciate any
tips/links as to which module(s) to look at.
TIA
--
Russ Butler (NJ USA)
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