On Sat, 18 Jun 2005 Jens Gulden <m...@jensgulden.de> wrote:
[...]
> Try
>
> ./unpaper -vv --layout double --pre-rotate 0 --post-rotate 0 04b.pgm
> unpaper04.pgm
OK.
[...]
> I have also tried to find some other settings which make your original
> image better. Try e.g.
>
> unpaper -vv --layout double --pre-rotate 0 --post-rotate 0
> --mask-scan-threshold 0.4 --grayfilter-size 5 --grayfilter-step 5
> --blurfilter-size 25 --blurfilter-step 15 --blurfilter-intensity 0.05
> --border-scan-threshold 8 04test.pgm unpaper04test_jens.pgm
Thanks.
The original scans converted to DjVu are available as
http://www.mimuw.edu.pl/polszczyzna/PTJ/b/b01.djvu
The scans processed with the suggested settings (and split with
pnmcut) and also converted to DjVu are available at
http://www.mimuw.edu.pl/polszczyzna/PTJ/b/b01up.djvu
Although the processing improved the images in some respects, in
general the result seems to me less readable then the
original. Fortunately I can live with it :-).
Best regards
Janusz
--
,
dr hab. Janusz S. Bien, prof. UW - Uniwersytet Warszawski (Katedra Lingwistyki
Formalnej)
Prof. Janusz S. Bien - Warsaw Uniwersity (Chair of Formal Linguistics)
jsb...@mimuw.edu.pl, jsb...@uw.edu.pl, http://www.mimuw.edu.pl/~jsbien/,
http://www.klf.uw.edu.pl
