PCA Based Extracting Feature Using Fast Fourier Transform for Facial Expression Recognition



Facial expression recognition is prevalent in research area, and Principal Component Analysis (PCA) is a very common method in use. Noticing that few researches focus on pre-processing of images, which also enhances the results of PCA algorithm, we propose an improved approach of PCA based on facial expression recognition algorithm using Fast Fourier Transform (FFT), which combines amplitude spectrum of one image with phase spectrum of another image as a mixed image. Our experiments are based on Yale database and self-made image database. Testing and evaluating in several ways, the experimental results indicate our approach is effective.


Amplitude spectrum Facial expression recognition FFT PCA Pre-processing Phase spectrum SVM 



This work was supported by the National Natural Science Foundation of China (Grant No. 61263043), the Foundation of Key Program of Department of Education of Yunnan Province (Grant No. 2011Z020, 2013Z049), the Key Discipline Foundation of School of Software of Yunnan University (Grant No. 2012SE103), the Natural Science Foundation of Yunnan Province (2011FB020), and the Foundation of the Key Laboratory of Software Engineering of Yunnan Province (2012SE303).


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© Springer Science+Business Media Dordrecht 2015

Authors and Affiliations

  1. 1.School of SoftwareYunnan UniversityKunmingChina

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