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The traditional LBP Histogram representation extracts the local micro-patterns and assigns the same weight all local micro-patterns. To combine the different contribution to face recognition, this paper proposes a weighted LBP histogram based on Weber's law. Firstly, inspired by psychological Weber's law, intensity of local micro-pattern is defined by the ratio between two terms: one is relative intensity...
A novel infrared face recognition method is proposed in this paper. In this method, to get the good performance of infrared face recognition from the biological feature, thermal images are converted into blood perfusion domain by blood perfusion model. Then, the blood perfusion images are partitioned into different sub-blocks. Each sub-block is represented by the coefficients extracted from block-DCT...
In this paper, a infrared face recognition method using radiant energy conversion and curvelet transformation is proposed. Firstly, to get the stable feature of thermal face, thermal images are converted into radiant energy images according to Stefan-Boltzmann's law. Secondly, curvelet transform has better directional and edge representation abilities than widely used wavelet transformation and other...
To get the good performance of infrared face recognition from the biological feature and statistical character, a novel method for infrared face recognition based on blood perfusion and fisher linear optimal discrimination is proposed in this paper. Firstly, thermal images are converted into blood perfusion domain by blood perfusion model to enlarge between-class distance and lessen within-class distance,...
With density functional theory, the globe geometry optimization for both bare Aln (n = 3, 6) clusters and their corresponding clusters with Li atom at different adsorption sites have been performed. The calculated relative energies indicate that in both Al3 and Al6, hollow sites for Li adsorption are slightly more preferable than on-top sites and bridge sites, which are in good agreement with previous...
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