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Optical Engineering

Single-output multichannel pattern recognition using projection preprocessing
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Paper Abstract

Multichannel pattern recognition based on the projection of the components of a multichannel image onto a vector followed by single-channel matched filtering is presented. The projection preprocessing reduces the multichannel information to a single channel, while most of the necessary information is maintained. We describe the design of an optimal filter in terms of robustness to additive noise. A phase-only filter obtained on the basis of the optimal filter can be used for optical pattern recognition. One advantage of the phase-only filter described here is its improved robustness to noise. Computer simulation results are provided to illustrate multichannel pattern recognition using the proposed method.

Paper Details

Date Published: 1 August 2000
PDF: 10 pages
Opt. Eng. 39(8) doi: 10.1117/1.1305320
Published in: Optical Engineering Volume 39, Issue 8
Show Author Affiliations
Vitaly Kober, Insitute of Information Transmission Problems (United States)
Tae-Sun Choi, Kwangju Institute of Science and Technology (South Korea)

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