@inproceedings{zhou2005a, author = {Zhou, Yi and Tang, Xiaoou and Shum, Harry and Zhang, Wei}, title = {A Bayesian Mixture Model for Multi-view Face Alignment}, year = {2005}, month = {March}, abstract = {For multi-view face alignment, we have to deal with two major problems: 1. the problem of multi-modality caused by diverse shape variation when the view changes dramatically; 2. the varying number of feature points caused by self-occlusion. Previous works have used nonlinear models or view based methods for multi-view face alignment. However, they either assume all feature points are visible or apply a set of discrete models separately without a uniform criterion. In this paper, we propose a unified framework to solve the problem of multi-view face alignment, in which both the multi-modality and variable feature points are modeled by a Bayesian mixture model. We first develop a mixture model to describe the shape distribution and the feature point visibility, and then use an efficient EM algorithm to estimate the model parameters and the regularized shape. We use a set of experiments on several datasets to demonstrate the improvement of our method over traditional methods.}, publisher = {Association for Computing Machinery, Inc.}, url = {http://approjects.co.za/?big=en-us/research/publication/a-bayesian-mixture-model-for-multi-view-face-alignment/}, }