An application of active contour models to head boundary location. - J. B. Waite; W. J. Welsh (BMVC, 1990)

Classification of facial features for recognition. - M. A. Shackleton; W. J. Welsh (CVPR, 1991)

Principal component coding of mouth sequences. - Druti Shah; Stephen Marshall; W. J. Welsh (ICASSP (5), 1993)