Proposed heuristic procedures to preprocess character patterns using line adjacency graphs. - Serban Iliescu; Raman Shinghal; Raymund Yee-Mian Teo (Pattern Recognit., 1996)

A Hybrid Classifier for Recognizing Handwritten Numerals. - Raymund Yee-Mian Teo; Rajjan Shinghal (ICDAR, 1997)