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In this paper, a novel 3-channel orthogonal filter bank was proposed at first, and then an efficient face recognition method combining the filter bank and 2DLDA (two-dimensional linear discriminant analysis) was presented. The framework of the proposed method consists of two steps: First, each face image was decomposed into nine sub images by using the 3-channel filter bank, and then 2DLDA was used...
The frequency characteristics of the Daubechies wavelet series were analyzed. The problem of the frequency band energy leakage (FBEL) of the wavelet analysis was pointed out. The FBEL affects the veracity of the signal feature extraction. By the simulation research, the basic rules of the FBEL were opened out, and a frequency band energy modification method was proposed. On the basis of the frequency...
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