A Novel Two-Stage Illumination Estimation Framework for Expression Recognition

One of the critical issues for facial expression recognition is to eliminate the negative effect caused by variant poses and illuminations. In this paper a two-stage illumination estimation framework is proposed based on three-dimensional representative face and clustering, which can estimate illumi...

Full description

Bibliographic Details
Main Authors: Zheng Zhang, Guozhi Song, Jigang Wu
Format: Article
Language:English
Published: Hindawi Limited 2014-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1155/2014/565389