Install libocrad-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libocrad-dev
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.