| close_all_ocrs | Destroy all OCR classificators. |
| close_ocr | Deallocation of the memory of an OCR classifier. |
| create_ocr_class_box | Create a new OCR-classifier. |
| do_ocr_multi | Classify characters. |
| do_ocr_single | Classify one character. |
| info_ocr_class_box | Get information about an OCR classifier. |
| ocr_change_char | Define a new conversion table for the characters. |
| ocr_get_features | Access the features which correspond to a character. |
| read_ocr | Read an OCR classifier from a file. |
| testd_ocr_class_box | Test an OCR classifier. |
| traind_ocr_class_box | Train an OCR classifier by the input of regions. |
| trainf_ocr_class_box | Train an OCR classifier with the help of a training file. |
| write_ocr | Writing an OCR classifier into a file. |