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Changes in version 0.21:
Some internal errors triggered by noisy input have been fixed.
The chapter "OCR Results File" has been added to the manual.
Stdin and stdout are now set in binary mode on MSVC and OS2.
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* A library interface has been added.
* The option "--crop" has been replaced with the 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.
* Lintian warnings in Debian about man pages have been fixed.
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Based on patch provided by Uwe Klaus in PR 41617.
2009-05-08 Antonio 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 <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.
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and replace with appropriate references to PKGINFODIR instead.
* Properly account for split info files during installation.
* Move info file listings directly into the package PLISTs.
This fixes info-file-related PLIST problems.
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developer is officially maintaining the package.
The rationale for changing this from "tech-pkg" to "pkgsrc-users" is
that it implies that any user can try to maintain the package (by
submitting patches to the mailing list). Since the folks most likely
to care about the package are the folks that want to use it or are
already using it, this would leverage the energy of users who aren't
developers.
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GNU Ocrad is an OCR (Optical Character Recognition) program based
on a feature extraction method. It reads a bitmap image in pbm or
pgm formats and produces text in byte (8-bit) or UTF-8 formats.
Ocrad includes a layout analyser able to separate the columns or
blocks of text normally found on printed pages.
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