10 October 2003 Hyperspectral face recognition for homeland security
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Abstract
Hyperspectral sensors provide useful discriminants for human face recognition that cannot be obtained by other imaging methods. Near-infrared spectral measurements allow the sensing of subsurface tissue structure which is significantly different from person to person but relatively stable over time. The spectral properties of human tissue are also nearly invariant to changes in face orientation which bring significant degradation to most other face recognition algorithms. We examine the utility of using near-infrared hyperspectral images for the recognition of human subjects over a database of 200 subjects. The face recognition algorithm exploits spectral measurements for individual facial tissue types and combinations of facial tissue types. We demonstrate experimentally that hyperspectral imaging promises to support face recognition independent of facial expression and orientation.
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Zhihong Pan, Zhihong Pan, Glenn E. Healey, Glenn E. Healey, Manish Prasad, Manish Prasad, Bruce J. Tromberg, Bruce J. Tromberg, } "Hyperspectral face recognition for homeland security", Proc. SPIE 5074, Infrared Technology and Applications XXIX, (10 October 2003); doi: 10.1117/12.498709; https://doi.org/10.1117/12.498709
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