BMVC 2004, Kingston, 7th-9th Sept, 2004

Fitting a Single Active Appearance Model Simultaneously to Multiple Images
C. Hu, J. Xiao, I. Matthews, S. Baker, J. F. Cohn, and T. Kanade
(Carnegie Mellon University)

Active Appearance Models (AAMs) are a well studied 2D deformable model.
One recently proposed extension of AAMs to multiple images is the Coupled-
View AAM. Coupled-View AAMs model the 2D shape and appearance of a
face in two or more views simultaneously. The major limitation of Coupled-
View AAMs, however, is that they are specific to a particular set of cameras,
both in geometry and the photometric responses. In this paper, we describe
how a single AAM can be fit to multiple images, captured simultaneously
by cameras with arbitrary geometry and response functions. Our algorithm
retains the major benefits of Coupled-View AAMs: the integration of information
from multiple images into a single model, and improved fitting robustness.
(pdf article)