Coding of Facial Image Sequences by Model-Based Optical Flow (1997)
| Venue: | in International Workshop on Synthetic-Natural Hybrid Coding and Three Dimensional Imaging (IWSNHC3DI’97), Rodos-Palace |
| Citations: | 1 - 0 self |
BibTeX
@INPROCEEDINGS{Davis97codingof,
author = {Malcolm Davis and Mihran Tuceryan},
title = {Coding of Facial Image Sequences by Model-Based Optical Flow},
booktitle = {in International Workshop on Synthetic-Natural Hybrid Coding and Three Dimensional Imaging (IWSNHC3DI’97), Rodos-Palace},
year = {1997},
pages = {192--194}
}
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Abstract
A model-based method for estimating the shape and motion of 3D objects appearing in a video is described. This technique is used for modelbased video coding #video compression#. The method is based on a new variant of optical #ow and uses 3D computer graphics to represent and display an object. Though the algorithm is general, this work concentrates on videos depicting the human head and face because of its relevance to videotelephony and teleconferencing. Rigid body motion of the head and facial expressions #opening the mouth# are accommodated. Results obtained from videos of a moving person are described. 1. INTRODUCTION The concept behind model-based video coding #video compression# is that models of 3D objects and their motion require less information to transmit than videos of those objects. As illustrated in Figure 1, this type of coder analyzes the video to obtain values for the parameters of these models and estimates of the 3D motion of modeled objects. These parameter value...
Citations
| 241 | A Muscle Model for Animating Three-Dimensional Facial Expression - Waters - 1987 |
| 51 | Model-based image coding: Advanced video coding techniques for very low bit-rate applications - Aizawa, Huang - 1995 |
| 14 | Deformable model-based face shape and motion estimation - DeCarlo, Metaxas - 1996 |
| 9 | The integration of optical ow and deformable models with applications to human face shape and motion estimation - DeCarlo, Metaxas - 1996 |
| 1 | Human Face Modeling, Analysis, and Synthesis - Tang - 1996 |
