On Friday 27 July 2007 09:39:40 Bertrik Sikken wrote: > Quentin Bierent wrote: > > 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... > > What you propose sounds much like an image processing step, while > sane is (currently) more about simply getting the data from the > scanner. > Before adding image processing to sane itself, I think there should at > least be some kind of framework where it can fit in cleanly.
This "commercial", "binary only" Windows junk software pieces also only do blur and re-sharpen and the like. You can use ImageMagick, ExactImage, Gimp, etc. to perform those tasks. Yours, -- Ren? Rebe - ExactCODE GmbH - Europe, Germany, Berlin Gesch?ftsf?hrer: Susanne Klaus, Ren? Rebe Sitz: Berlin, Amtsgericht Charlottenburg HRB 105 123 B USt-IdNr.: DE251602478 http://exactcode.de | http://t2-project.org | http://rene.rebe.name