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Effect of Luminance Gradients in Measurement of Differential Limen

  • Hiroaki Kudo
  • Takuya Kume
  • Noboru Ohnishi
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7667)

Abstract

Objects in the visual field affect the appearance in the neighborhood. One of explanations to show a degree of its effect is a concept of a field of perception. It forms a contour map that is measured by upper and lower limen around a visual object. To clarify factors forming a field, we measured upper and lower limen for distribution of luminance according to a linear expression equation and a quadratic polynominal equation. The results show that upper and lower limen are affected by luminance itself, magnitude of luminance gradients. We conjectured a field of perception is shaped mainly by the maginitude of luminance gradients and its trend from the results.

Keywords

Luminance gradients Differential limen Field of perception 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Hiroaki Kudo
    • 1
  • Takuya Kume
    • 1
  • Noboru Ohnishi
    • 1
  1. 1.Graduate School of Information ScienceNagoya UniversityNagoyaJapan

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