Journal of the Optical Society of Korea

  • 제16권2호
  • /
  • Pages.145-150
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  • 2012
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  • 1226-4776(pISSN)
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  • 2093-6885(eISSN)
한국광학회 (Optical Society of Korea)
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A Display-based Visual Stimulator for Psychophysical and Electrophysiological Color Sensitivity Measurements

  • Hwang, Jisoo (Division of Physical Metrology, Korea Research Institute of Standards and Science) ;
  • Park, Seung-Nam (Division of Physical Metrology, Korea Research Institute of Standards and Science) ;
  • Park, Cheol-Min (Division of Physical Metrology, Korea Research Institute of Standards and Science) ;
  • Lee, Geun Woo (Division of Physical Metrology, Korea Research Institute of Standards and Science) ;
  • Kim, Kiseong (Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology)
  • 투고 : 2012.04.06
  • 심사 : 2012.05.31
  • 발행 : 2012.06.25
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초록

We present a display-based visual stimulator for psychophysical and electrophysiological visual sensitivity measurements. The stimulator offers various psychophysical visual stimuli and transfers the signals from external devices along with the stimulation signals to an electrophysiological recorder. As an experimental demonstration, we perform a visual sensitivity experiment in the mesopic vision range by using the display-based stimulator. The intensity of the steady-state visual evoked potential is observed to correlate with the luminance of the flickering visual stimulation. For the psychophysically determined detection thresholds, we determine the mesopic luminance, showing agreement with the perceived brightness within the uncertainty of the luminance measurement.

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참고문헌

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피인용 문헌

  1. Novel Calibration Method for the Multi-Camera Measurement System vol.18, pp.6, 2014, https://doi.org/10.3807/JOSK.2014.18.6.746