- Grayscale native support (PGM format), plus four binarization methods.
- Internal preprocessor including deskewing, balancing, thresholding and
interpolation (by Giulio Lunati).
- Various new features: border path computing, barcode search,
detection of extremities, PAGE only mode, the flea, the spyhole,
instant threshold, per-depth optimized X code, etc.
- Documentation updated (but not finished). Glossary added.
- Many bugfixes and interface enhancements.
by me. From the DESCR:
Clara OCR is a free (GPL) Optical Character Recognition (OCR) program
for systems that support the C library and the X windows system (e.g.
most flavours of Unix). The development platform of Clara OCR is
32-bit Intel running GNU/Linux.
Clara OCR is intended for large scale digitalization projects. It
features a powerful GUI and a web interface for cooperative
digitalization of books. Clara OCR development started in 1999 and
is approaching production quality.
Features:
Converts pbm/pgm image files to text (ISO-8859)
Can process scans in batch for large documents
Can run from the command-line
Is relatively easy to train
Non-features:
Is not "omnifont"; you must train it for each document
Does not scan the images
Does not support unicode
Cannot read handwriting
