December 2014
Intermediate to advanced
640 pages
19h 7m
English
book
Emerging Trends in Image Processing, Computer Vision and Pattern Recognition
by Leonidas Deligiannidis, Hamid R Arabnia
Content preview from Emerging Trends in Image Processing, Computer Vision and Pattern Recognition
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Chapter 26
A local feature-based facial expression recognition system from depth video
Md. Zia Uddin Department of Computer Education, Sungkyunkwan University, Seoul, Republic of Korea
Abstract
In this chapter, a novel approach is proposed to recognize some facial expressions from time-sequential depth videos. Local directional pattern features are extracted from the time-sequential depth faces that are followed by principal component analysis and linear discriminant analysis to make the features more robust. Finally, the local features are applied with hidden Markov models to model and recognize different facial expressions successfully. The proposed approach shows superior recognition rate against the conventional approaches.
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