December 2011
Volume 11, Issue 15
OSA Fall Vision Meeting Abstract  |   December 2011
Optical Design of Hyperspectral Two-dimensional Display and its Application
Author Affiliations
  • Toshifumi Mihashi
    Topcon Corp., Optics Lab.
  • Naoki Nakamura
    Topcon Corp., Optics Lab.
  • Keisuke Yoshida
    Topcon Corp., Optics Lab.
  • Tatsuo Yamaguchi
    Topcon Corp., Optics Lab.
  • Yasuki Yamauchi
    Yamagata University, Science and Engineering
  • Katsuaki Sakata
    Joshibi University of Art and Design
  • Kazuho Fukuda
    Tokyo Institute of Technology, Intelligence Science
  • Keiji Uchikawa
    Tokyo Institute of Technology, Intelligence Science
Journal of Vision December 2011, Vol.11, 51. doi:
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      Toshifumi Mihashi, Naoki Nakamura, Keisuke Yoshida, Tatsuo Yamaguchi, Yasuki Yamauchi, Katsuaki Sakata, Kazuho Fukuda, Keiji Uchikawa; Optical Design of Hyperspectral Two-dimensional Display and its Application. Journal of Vision 2011;11(15):51.

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      © ARVO (1962-2015); The Authors (2016-present)

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A system with the hyperspectral camera and display can reproduce spectral information of objects. With this technology, a gamut of the system covers a full color range, and it is possible to avoid observer metameric failure. In this presentation, we introduce a novel optical system of the two-dimensional hyperspectral display and propose a new method to examine the metameric failure of each individual. We modified a programmable light source to build a new type of hyperspectral display. The spectral components of the light were arbitrarily set by controlling a digital micromirror device (DMD). Seven-hundred-and-sixty-eight independent combinations of the monochromatic light, of which wavelength and intensity were selected by the horizontal direction of 1024 pixels of the DMD, were composed as a line image. And then the line image was scanned to form a two dimensional hyperspectral image. We performed a preliminary experiment using the one dimensional version of the display. We combined three monochromatic wavelength components to match white using a spectroradiometer. Three different wavelength combinations, RGB1: 450, 560, 600 nm, RGB2: 470, 560, 600 nm, and RGB3: 470, 570, 600 nm, were used. The subjects were asked to answer the order of the three RGB whites that resembled equal energy white (EEW) presented as a surround stimulus. At the same time, the subjects answered the magnitude of the difference between each RGB white and EEW. Seven color normal subjects (ages: 26 to 53) participated in the experiment. We found noticeable difference in the responses RGB1 among subjects. The younger subjects called the color green, while the older called it yellow or red. We speculate that the short wavelength components in RGB1 were absorbed by older crystalline lenses. This simple test shows a potential of our system as a useful tool for detecting absorption of the crystalline lens.


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