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Paul Viola and Michael Jones, “Robust Real-time Face Detection,” International Journal of Computer Vision, vol. 57, No. 2, 2004, pp. 137–154. doi:10.1023/B:VISI.0000013087.49260.fb

has been cited by the following article:

• TITLE: Combined Dictionary Learning in Facial Expression Recognition

  AUTHORS: Ziyang Zhang, Kaamran Raahemifar

  KEYWORDS: Facial expression Recognition; Dictionary Learning; K-SVD

  JOURNAL NAME: Journal of Signal and Information Processing, Vol.4 No.3B, October 16, 2013

  ABSTRACT: Dictionary learning has been applied to face recognition and gets good results. However few works applied dictionary learning in facial expression recognition. This paper investigates the application of K-SVD in facial expression recognition. Since K-SVD focuses on reconstruction and lacks discriminant capability. It has similar classification performance with image pixel values. To address this problem, this paper proposes a Combined Dictionary Scheme, which uses combination of separate dictionaries. This yields better performance than the original single dictionary scheme in terms of both recognition rate and computation complexity.