套件：libocrad-dev（0.28-4 以及其他的） [debports]
optical character recognition library
GNU Ocrad is an OCR (Optical Character Recognition) program based on a feature extraction method. It reads a bitmap image in pgm/pbm format and produces text in byte (8-bit) or UTF-8 formats.
Ocrad includes a layout analyzer able to separate the columns or blocks of text normally found on printed pages.
This package includes the static library.