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2007-06-29 Antonio 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 <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 <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 <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 <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 <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 <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 <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 <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 <ant_diaz@teleline.es>
* Version 0.8 released.
* Better algorithm for line detection.
* New feature `-x -' (export ORF file to stdout).
* Small improvements in image elimination.
2004-02-09 Antonio 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 <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 <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 images.
2003-09-03 Antonio 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 <ant_diaz@teleline.es>
* Version 0.3 released.
* ORF file feature added.
* Recursive `layout detector' added.
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