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[Bug-ocrad] really bad recognition in Windows version


From: Marko ŽZmak
Subject: [Bug-ocrad] really bad recognition in Windows version
Date: Thu, 15 Feb 2007 23:57:21 -0800 (PST)

I tried ocrad for windows (downloaded from:
http://sourceforge.net/project/showfiles.php?group_id=61702&package_id=200509)
but I get really bad results. For example I took a screenshoot of this page:

http://spambayes.sourceforge.net/download.html

cut out the first paragraph and saved it as ppm.

I tried ocrad on it but it recognized lees than every other character. Here
is the output:

ve__lon _ O o o_ _he _DamBaUe_ D_olec_ |_ now a_allable
Thl_ |_ a b_g_lx _elea_e - |_ |_ __n_lonallu lden_lcal _o _ O, b__ lncl_de_
_lxe
_ _o_ a n_mbe_ o_ b_g_ We exDec_ |_ _o D_o_e _o
be o_|_e __able and __able bu mo__ DeoDle, a_ a _e__|_ (and _lnce we a_e
ha_d a_
 wo_k on _he _Dcomlng _ _ _elea_e) we
exDec_ _ha_ _hl_ wlll be _he la__ _elea_e ln _he _ o x llne _eedback _o _
The _econd alDha _elea_e o_ _ _ |_ al_o now a_allable I_ |_ hlghlu llkelu
_ha_ _
he_e a_e new b_g_ ln _hl_ _elea_e (e_DeclallU
wl_h _he IMAP _||_e_), b__ |_ uo_ a_e wllllng and able _o gl_e |_ a _Dln _o_
__,
 _ha_ wo_ld be g_ea_lu aDD_ecla_ed vo_ mlgh_
llke _o look a_ _hl_ _
vo_ mau llke _o _lew _he _elea_e no_e_ o_ _he _
Micro5oft Window5
Mlc_o_o__ Wlndow_ __e__ a_e enco__aged _o __e _he ln__alla_lon D_og_am _o
ln__al
l _DamBaUe_ Thl_ wlll ln__all aDDllca_lon_
__|_able _o_ almo__ all emall cllen__, lncl_dlng Mlc_o_o__ O__look and
Mlc_o_o__
 O__look _xD_e__
Plea_e _ee o___ o_l_mD dl_ec_lu _o _he _
Source Relea5e5
The _o__ce-code _elea_e_ can be __ed on anu Dla__o_m wl_h a pu_hon
ln_e_D_e_e_
The _o__ce-code _elea_e_ can be downloaded, a_ el_he_ a g_IDDed _a_ball o_ a
_ID
 _lle, dl_ec_lu __om _he _lle _elea_e_ _o_ _hl_
_o ec_
p_e_eo_|_|_e_


I tried changing some command line options (size, threeshold), but nothing
helped.
Could someone help me out with this? Is ocrad really so bad at recognizing
text, or do I have to change some options in order to recognize the text
better?
-- 
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http://www.nabble.com/really-bad-recognition-in-Windows-version-tf3238133.html#a9000212
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