An OCR system for Greek printed early books based on computational geometry algorithms
Μπώκος, Γιώργος Δ.
Πούλος, Μάριος Σ.
Poulos, Marios S.
Bokos, George D.
MetadataΕμφάνιση πλήρους εγγραφής
In this paper we propose a novel OCR system for Greek printed early books, combining image preprocessing with computational geometry technologies. Our aim was to carry out OCR digitalisation of a large collection of digitised, Greek early printed books dated from the late 15th century to the mid-18th century. The proposed method is based on: (i) image preprocessing using image binarisation and enhancement; (ii) the creation of a convex polygon that represents the feature extraction of each fount; and (iii) training and identification procedures based on algorithms of intersecting convex polygons. The major advantage of this method is that it can control the authentication of a published document image or its partial modification to a reliable degree. In this way the proposed system decision for the classification of a candidate letter is based on smart geometric practice. Experimental results have proved the efficiency of the proposed approach. © 2010 IADIS.
- Περιοδικά, εφημερίδες