Image interpretation using contextual feedback. - George C. Lai; Rui J. P. de Figueiredo (ICIP, 1995)

Robust Extraction of Low Contrast Edges Using Clustering-Based Segmentation and Refinement. - George C. Lai; Rui J. P. de Figueiredo (ICIP (2), 1999)

A novel algorithm for edge detection from direction-derived statistics. - George C. Lai; Rui J. P. de Figueiredo (ISCAS, 2000)