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A novel infrared face recognition method using blood perfusion conversion and DCT is proposed in this paper. Firstly, the blood perfusion image instead of thermal image is used to get the stable biological features. Secondly, due to the low-resolution of the infrared images, the feature extraction method (Linear Discriminative Analysis in DCT domain) is chosen to get the principle features in the...
In this paper, a fast infrared face recognition method using blood perfusion conversion and curvelet transformation is proposed. Firstly, 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. Secondly, curvelet transform has better directional and edge representation abilities than widely...
A novel method for infrared face recognition based on blood perfusion and sub-block DCT in wavelet domain is proposed in this paper. Firstly, thermal images are converted into blood perfusion domain by blood perfusion model to obtain consistent facial images to reduce the effect of ambient variations. Secondly blood perfusion data are decomposed using discrete wavelet transform. Then, the component...
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