Ray Smith
0e868ef377
Major change to improve layout analysis for heavily diacritic languages:
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Tha, Vie, Kan, Tel etc.
There is a new overlap detector that detects when diacritics
cause a big increase in textline overlap. In such cases, diacritics from
overlap regions are kept separate from layout analysis completely, allowing
textline formation to happen without them. The diacritics are then assigned
to 0, 1 or 2 close words at the end of layout analysis, using and modifying
an old noise detection data path.
The stored diacritics are used or not during recognition according to the
character classifier's liking for them.
2015-05-12 16:47:02 -07:00
zdenop
9cf08ca8d3
fix build with -DGRAPHICS_DISABLED
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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@981 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2014-01-11 23:08:54 +00:00
theraysmith@gmail.com
64c739c8af
Added sparse text mode, also fixed issue 653.
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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@820 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2013-01-03 19:06:41 +00:00
zdenop@gmail.com
49c4ce3183
fix for GRAPHICS_DISABLED build
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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@686 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2012-03-01 22:43:51 +00:00
theraysmith@gmail.com
6e3d810c1d
Major improvements to layout analysis for better image detection, diacritic detection, better textline finding, better tabstop finding
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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@648 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2012-02-02 02:53:04 +00:00
zdenop@gmail.com
da41b96f7f
removed check for libtiff - leptonica is required; cleanup #ifdef/#ifndef HAVE_LIBLEPT
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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@624 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2011-08-30 06:34:41 +00:00
zdenop@gmail.com
7ec3dca968
show page 0 for multipage tiff;
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Windows: use binary mode for fopen (issue 70);
autotools: fixed cutil/Makefile.am, improved tessdata/Makefile.am;
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@604 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2011-08-11 21:42:13 +00:00
zdenop@gmail.com
4523ce9f7d
3.01 code from http://github.com/jimregan/tesseract-ocr with addaptions related to Linux and Windows (VC2008) compile process
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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@526 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2010-11-23 18:34:14 +00:00
joregan
e1ab3cfad7
fix issue 342: thanks to zdravco
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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@479 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2010-09-30 00:26:31 +00:00
joregan
38a6b18a5f
disable MSVC warning C4244 in a number of places to cut down the noise
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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@363 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2010-05-26 10:22:27 +00:00
theraysmith
0a9ad20d1c
Changes to textord for 3.00
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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@301 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2009-07-11 02:39:56 +00:00
