NDLI: Extraction of curvelet based RLBP features for representation of facial expression

Content Provider	IEEE Xplore Digital Library
Author	Nagaraja, S. Prabhakar, C.J.
Copyright Year	2014
Description	Author affiliation: Department of Computer Science, Kuvempu University, Karnataka, India (Nagaraja, S.; Prabhakar, C.J.)
Abstract	In this paper, we proposed a technique for representation of facial expression based on extraction of Robust Local Binary Pattern (RLBP) features in curvelet domain. The curvelet transform exhibit improved directional capability, better ability to represent edges and other singularities along curves as compared to traditional multiscale transform such as wavelet transform. Hence, we transform original face images to frequency domain at a specific scale and orientation using curvelet transform. Noise and illumination invariant features are extracted from approximate sub-band using robust local binary pattern, which forms the feature vector of facial expression. The proposed method is evaluated based on facial expression recognition carried out using a benchmark database such as JAFFE. The facial expression recognition is performed using a chi-square distance measure with a nearest neighbor classifier. Experimental results show that our approach outperforms other popular LBP based approaches.
Starting Page	845
Ending Page	850
File Size	471068
Page Count	6
File Format	PDF
ISBN	9781479966295
DOI	10.1109/IC3I.2014.7019630
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-11-27
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image recognition Robust local binary pattern Face recognition Noise Transforms Feature extraction Robustness Curvelet transform Face Texture features Facial expression
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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