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Integration of Multiple Cues for Visual Gloss Evaluation

Leloup F, Hanselaer P, Pointer M, Dutré P ...see all

The 3rd International Conference on Appearance, issue April (2012)

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Abstract

This study reports on a psychophysical experiment with real stimuli that differ in multiple visual gloss criteria. Four samples were presented to 15 observers under different conditions of illumination, resulting in a series of 16 stimuli. Through pairwise comparisons, a gloss scale was derived and the observers’ strategy to evaluate gloss was investigated. The preference probability matrix P indicated a dichotomy among observers. A first group of observers used the distinctness-of-image as a principal cue to glossiness, while a second group evaluated gloss primarily from differences in brightness. It could therefore be questioned if surface gloss can be characterized by one single quantity, or that a set of quantities is necessary to describe differences in gloss.

Author-supplied keywords

  • brightness
  • distinctness-of-image
  • gloss perception

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Authors

  • Frédéric B. Leloup

  • Peter Hanselaer

  • Michael R. Pointer

  • Philip Dutré

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