Model-based coding of facial images based on facial muscle motion through isodensity maps
Ikken So, Osamu Nakamura, Toshi Minami · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 1991
A model-based coding system has come under serious consideration for the next generation of image coding schemes, aimed at greater efficiency in TV-telephone and TV-conference systems [l]-[5]. In this model-based coding system, the sender’s model image is transmitted and stored at the receiving side before the start of conversation. During the conversation, feature points are extracted from the facial image of the sender, and are transmitted to the receiver. The facial expression of the sender facial is reconstructed from the feature points received and a wireframe model constructed at the receiving side.