Fusion of Daubechies Wavelet Coefficients for Human Face Recognition

Details Fusion of Daubechies Wavelet Coefficients for Human Face Recognition Fusion of Daubechies Wavelet Coefficients for Human Face Recognition

2010-07-05

arxiv.org/abs/1007.0621v1

Computer Science

Computer Vision and Pattern Recognition

Scientific paper

In this paper fusion of visual and thermal images in wavelet transformed domain has been presented. Here, Daubechies wavelet transform, called as D2, coefficients from visual and corresponding coefficients computed in the same manner from thermal images are combined to get fused coefficients. After decomposition up to fifth level (Level 5) fusion of coefficients is done. Inverse Daubechies wavelet transform of those coefficients gives us fused face images. The main advantage of using wavelet transform is that it is well-suited to manage different image resolution and allows the image decomposition in different kinds of coefficients, while preserving the image information. Fused images thus found are passed through Principal Component Analysis (PCA) for reduction of dimensions and then those reduced fused images are classified using a multi-layer perceptron. For experiments IRIS Thermal/Visual Face Database was used. Experimental results show that the performance of the approach presented here achieves maximum success rate of 100% in many cases.

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