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Proceedings Paper

Illumination invariant adaptive joint transform correlator
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Paper Abstract

Illumination functions can be modeled as multiplicative noise. Therefore, an input scene for pattern recognition is commonly corrupted by a mixture of additive and multiplicative noises. Existing correlation filters assume that multiplicative noise is either a constant factor or wide scense stationary noise. We propose a point-wise preprocessing of an input scene and consequent optimum correlation filter design. This procedure takes into account knowledge of illumination funtion. Adaptive joint transform correlator architecture is used. Computer simulation results are provided and discussed.

Paper Details

Date Published: 20 September 2007
PDF: 7 pages
Proc. SPIE 6695, Optics and Photonics for Information Processing, 66951B (20 September 2007); doi: 10.1117/12.735057
Show Author Affiliations
Victor Diaz, CICESE (Mexico)
Vitaly Kober, CICESE (Mexico)


Published in SPIE Proceedings Vol. 6695:
Optics and Photonics for Information Processing
Abdul A.S. Awwal; Khan M. Iftekharuddin; Bahram Javidi, Editor(s)

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