Face recognition based on the band fusion of generalized phase spectrum of 2D-FrFT

Xu Wang; Lin Qi; Yun Tie; Enqing Chen; Huijing Sun

doi:10.1117/12.2266432

8 February 2017 Face recognition based on the band fusion of generalized phase spectrum of 2D-FrFT

Xu Wang, Lin Qi, Yun Tie, Enqing Chen, Huijing Sun

Proceedings Volume 10225, Eighth International Conference on Graphic and Image Processing (ICGIP 2016); 102250G (2017) https://doi.org/10.1117/12.2266432
Event: Eighth International Conference on Graphic and Image Processing, 2016, Tokyo, Japan

Abstract

In this paper, we propose a novel feature extraction method for face recognition based on two dimensional fractional Fourier transform (2D-FrFT). First, we extract the phase information of facial image in 2D-FrFT, which is called the generalized phase spectra (GPS). Then, we present an improved two-dimensional separability judgment (I2DSJ) to select appropriate order parameters for discrete fractional Fourier transform. Finally, multiple orders’ generalized phase spectrum bands (MGPSB) fusion is proposed. In order to make full use of the discriminative information from different orders for face recognition, the proposed approach merges different orders’ generalized phase spectra (GPS) of 2D-FrFT. The proposed method is no need to construct the subspace through the feature extraction methods and has less computation cost. Experimental results on the public face databases demonstrate that our method outperforms the representative methods.

Citation Download Citation

Xu Wang, Lin Qi, Yun Tie, Enqing Chen, and Huijing Sun "Face recognition based on the band fusion of generalized phase spectrum of 2D-FrFT", Proc. SPIE 10225, Eighth International Conference on Graphic and Image Processing (ICGIP 2016), 102250G (8 February 2017); https://doi.org/10.1117/12.2266432

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