Journal of the Optical Society of Korea

Optical Society of Korea (한국광학회)
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Color Pattern Recognition with Recombined Single Input Channel Joint Transform Correlator

  • Jeong, Man-Ho (Department of Laser & Optical Information Engineering, Cheongju University)
  • Received : 2011.04.11
  • Accepted : 2011.05.17
  • Published : 2011.06.25
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Abstract

Joint transform correlator (JTC) is a well known tool for color pattern recognition for a color image. Color images have red, green and blue components, thus in conventional JTC, three input channels of these color components are necessary for color pattern recognition. This paper proposes a new technique of color pattern recognition by decomposing the color image into three color components and recombining those components into a single gray image in the input plane. This new technique needs single input channel and single output CCD camera, thus a simple JTC can be used. We present various kinds of simulated results to show that our newly proposed technique can accurately recognize and discriminate color differences.

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