Mach–Zehnder joint transform correlator with multi-channel quantized reference functions for color pattern recognition

Lin, Yu‐Hung; Chen, Chulung; Lee, Chung-Cheng

doi:10.1016/j.optcom.2006.04.061

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Cited by 4 publications

(2 citation statements)

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“…We used a constrained algorithm [15] to generate the reference image with encoding technique. The optimized reference function can be expressed by…”

Section: Discussionmentioning

confidence: 99%

Color pattern recognition using image encoding joint transform correlator

Lee

Chen

2007

Micro & Optical Tech Letters

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A color pattern recognition scheme with encoding technique based on the nonzero order joint transform correlator is proposed. Each color target image is organized as a new grayscale encoded image. A Lagrange multipliers approach is also used to design an optimized synthetic reference function. A joint transform power spectrum subtraction method is applied to remove the zero order terms in addition. Simulation results verify the performance of the proposed technique. This correlator can reduce the channel number in the input and still maintain good ability in color image recognition. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1665–1669, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22554

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“…We used a constrained algorithm [15] to generate the reference image with encoding technique. The optimized reference function can be expressed by…”

Section: Discussionmentioning

confidence: 99%

Color pattern recognition using image encoding joint transform correlator

Lee

Chen

2007

Micro & Optical Tech Letters

Self Cite

View full text Add to dashboard Cite

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“…The application of optical correlation for color pattern recognition has been reported in some papers [8][9][10][11][12][13][14][15]. Out of the several schemes proposed so far, multichannel correlation is most widely used.…”

Section: Introductionmentioning

confidence: 99%