Title :
Facial-feature image coding using principal components
Author :
Welsh, W.J. ; Shah, Devavrat
Author_Institution :
British Telecom Labs., Ipswich, UK
Abstract :
Facial features in image sequences of a single subject are coded using principal components. Since the class of images used is restricted, a very efficient coding can be obtained and mouth images have been coded with reasonable quality at intraframe compression ratios of about 400.
Keywords :
data compression; image coding; facial features; image coding; intraframe compression ratios; mouth images; principal components;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19921324
