126 search results - page 8 / 26 » Facial Expression Recognition Using HLAC Features and WPCA |
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
It is well known that how to extract dynamical features is a key issue for video based face analysis. In this paper, we present a novel approach of facial action units (AU) and ex...
IVC
2007
13 years 7 months ago
2007
Face and facial feature detection plays an important role in various applications such as human computer interaction, video surveillance, face tracking, and face recognition. Effi...
FGR
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper presents a novel framework for recognition of facial action unit (AU) combinations by viewing the classification as a sparse representation problem. Based on this framew...
IVC
2006
13 years 7 months ago
2006
We present a systematic comparison of machine learning methods applied to the problem of fully automatic recognition of facial expressions, including AdaBoost, support vector mach...
ICIAR
2009
Springer
13 years 5 months ago
2009
Springer
Abstract. Increasing risks of spoof attacks and other common problems of unimodal biometric systems such as intra-class variations, nonuniversality and noisy data necessitate the u...