Dr. De Yin Liu Profile

Dr. De Yin Liu

at Beijing Univ of Posts and Telecommunications

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Proceedings Article | 21 July 2017 Paper

Emotion recognition based on multiple order features using fractional Fourier transform

Bo Ren, Deyin Liu, Lin Qi

Proceedings Volume 10420, 1042008 (2017) https://doi.org/10.1117/12.2281534

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In order to deal with the insufficiency of recently algorithms based on Two Dimensions Fractional Fourier Transform (2D-FrFT), this paper proposes a multiple order features based method for emotion recognition. Most existing methods utilize the feature of single order or a couple of orders of 2D-FrFT. However, different orders of 2D-FrFT have different contributions on the feature extraction of emotion recognition. Combination of these features can enhance the performance of an emotion recognition system. The proposed approach obtains numerous features that extracted in different orders of 2D-FrFT in the directions of x-axis and y-axis, and uses the statistical magnitudes as the final feature vectors for recognition. The Support Vector Machine (SVM) is utilized for the classification and RML Emotion database and Cohn-Kanade (CK) database are used for the experiment. The experimental results demonstrate the effectiveness of the proposed method.

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