2011-01-10 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.21 released. * Fixed some internal errors triggered by noisy input. * ocrad.texinfo: Added chapter `OCR Results File'. * main.cc: Set stdin/stdout in binary mode on MSVC and OS2. 2010-07-16 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.20 released. * ocradlib.h: Added new function OCRAD_scale. * ocradlib.h: Added new function OCRAD_result_chars_total. * ocradlib.h: Added new function OCRAD_result_chars_block. * ocradlib.h: Added new function OCRAD_result_chars_line. 2010-01-27 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.19 released. * Added library interface (ocradlib.h). * Option `--crop' replaced with similar but different option `--cut', which can accept coordinates taken from the ORF file. * Recognition of files with a single character and without white space at the edges has been fixed. * testsuite/check.sh: Added new tests for the library interface and for single character images. * New files ocradlib.h, ocradlib.cc, ocrcheck.cc. * Makefile.in: Added `--name' option to help2man invocation. 2009-05-08 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.18 released. * Added a layout analyser able to process arbitrary pages. * Added new option `--quiet'. * The `--layout' option no more accepts an argument. * The `--crop' option now accepts negative coordinates. * New recognized letter; 'a' with ring above. * Fixed recognition on files with a single big character. * Fixed bug that didn't write maxval when saving pgm or ppm. * Fixed some includes that prevented compilation with GCC 4.3.0. * `make install-info' should now work on Debian and OS X. * Makefile.in: Man page is now installed by default. * New file testsuite/check.sh. * Arg_parser updated to 1.2. * Verbosity control of messages has been modified. 2007-06-29 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.17 released. * License updated to GPL version 3 or later. * `--scale' no more suppresses ORF output. * Improved removal of thick frames. * Changed `Textline' to accept more than one big initial. * Class `Block' renamed to `Blob'. * `configure' and `Makefile.in' have been modified to be more GNU-standards compliant. 2006-10-20 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.16 released. * Added new option `--filter'. * Better algorithm for vertical space detection (blank lines). * Some fixes made to `configure' script. * Added two new debug levels. * Improvements in character recognition. 2006-04-03 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.15 released. * Added new argument parser that replaces `getopt_long'. * Fixed a bug that prevented compilation with GCC 4.1. 2006-02-15 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.14 released. * Ocrad is now able to read ppm files. * Added new class `Page_image' (256-level greymap). * Added automatic and adaptive binarization by Otsu's method. * Added new option `--crop'. * Added two new chapters `Image Format Conversion' and `Algorithm' to the texinfo file. * Target `check' added to Makefile. * Changed `ocrad.png' icon to color, one line. 2005-10-10 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.13 released. * Ocrad is now able to read pgm files. * Added new rational number class. * Use rationals instead of integers in space detection algorithm. * Better algorithm for space detection in tables. * `vector<bool>' replaced by `vector<char>' in bitmap (faster). * Variable-size arrays replaced by vectors in block.cc. * Fixed sizeof(size_t) != sizeof(int) on some 64 bit systems. * Improved number recognition (mainly in textline_r2.cc). * Overflow detection when loading or scaling file. * Fixed a miscompilation with GCC 3.3.1. * Class `Vrhomboid' merged into files `track.h' and `track.cc'. 2005-06-07 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.12 released. * Change in internal representation; Blockmap has been eliminated. * Text inside tables of solid lines is now recognized. * Improvements in character recognition. * Fixed possible integer overflow when loading pbm file. 2005-02-12 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.11 released. * Added new option `--scale'. * Improvements in character recognition. * Fixed bug in `--transform' (introduced in 0.10). 2004-12-09 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.10 released. * Added new suboption `-D7X'. * Change in internal representation; only 1 Blockmap per Textpage. * Use of absolute coordinates in ORF file. * Improved space detection algorithm. * Improvements in character recognition and separation. 2004-10-23 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.9 released. * Added new option `--transform'. * `DESTDIR' now works as expected. * New class `Textpage' is top of internal representation. 2004-05-23 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.8 released. * Better algorithm for line detection. * New feature `-x -' (export ORF file to stdout). * Small improvements in picture elimination. 2004-02-09 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.7 released. * Internal change to UCS instead of ISO 8859-1. * Default charset is now ISO 8859-15 (latin9). * Ocrad now recognizes Turkish characters (ISO 8859-9). * Added new output format (UTF-8). * Added new options `--charset' and `--format'. * Added man page. 2003-12-18 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.6 released. * `configure' is now compatible with `sh'. * Better algorithm for lowercase-uppercase decision. * Small changes to line detector. * Fixed bug (output of char 0 when separating some merged chars). 2003-10-18 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.5 released. * Corrected bug when creating ORF file from stdin. * Added the ability to read multiple files from stdin. * Use `vector' instead of `list' due to problem with GCC 3.3.1. * Faster `processing' of pictures. 2003-09-03 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.4 released. * More standard configure and Makefile. * Added info file. * Small changes to layout detector. * Character codes > 127 now in ISO_8859_1::<charname> format. * Added new option `--invert'. 2003-07-19 Antonio Diaz Diaz <ant_diaz@teleline.es> * Version 0.3 released. * ORF file feature added. * Recursive `layout detector' added. Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Antonio Diaz Diaz. This file is a collection of facts, and thus it is not copyrightable, but just in case, you have unlimited permission to copy, distribute and modify it.
