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Fourier descriptor is an important method used in shape analysis and recognition. It mainly does Discrete Fourier Transformation (DFT) with the shape signature of the points on the edge of the object and normalizes to get Fourier descriptor with no phase information. In this paper, we combine the Wavelet transformation and Fourier transformation to get multi-scale Fourier descriptor with phase information...
As an active research topic, many algorithms have been presented for face recognition. However, they mainly utilize the monochromatic intensity information. Among a few color face recognition methods, most of them treat the three channels separately. In this paper, a color face image is treated in a holistic manner by using the quaternion theory. We then propose a new algorithm for color face recognition,...
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