[sane-devel] Descreen feature

[Quentin Bierent]

Hi there

I've been checking sane from time to time and a key feature is still 
missing at this time
every serious scanner user need descreen feature to get clean scan.
Goole shows it's been various requests about this feature (aka detramage)

Every other descreen "workaround methods" are quality degrading (blur, 
despeckle etc etc) only a specific and efficient descreen algorythm 
(with LPI and screens angles settings) can do a good job for 
profesionnal quality.
This is the only way to get a good resolution scan with a low print 
quality original (halftone pictures in newspaper can be acquired and 
smoothed WITHOUT sacrifying resolution and final quality)

This feature is available on every serious scanner software (agfa, 
binuscan...)

I will send some examples later.

I am aware this feature is tricky to implement but  it will for sure 
lift SANE  to new heights...



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