The influence of lighting on visual perception of material qualities

Fan Zhang, Huib De Ridder, Sylvia Pont

Research output: Chapter in Book or Report/Conference proceedingConference Proceedingpeer-review

18 Citations (Scopus)

Abstract

We studied whether lighting influences the visual perception of material scattering qualities. To this aim we made an interface or "material probe", called MatMix 1.0, in which we used optical mixing of four canonical material modes. The appearance of a 3D object could be adjusted by interactively adjusting the weights of the four material components in the probe. This probe was used in a matching experiment in which we compared material perception under generic office lighting with that under three canonical lighting conditions. For the canonical materials, we selected matte, velvety, specular and glittery, representing diffuse, asperity, forward, and specular micro facet scattering modes. For the canonical lightings, we selected ambient, focus and brilliance lighting modes. In our matching experiment, observers were asked to change the appearance of the probe so that the material qualities of the probe matched that of the stimuli. From the matching results, we found that our brilliance lighting brought out the glossiness of our stimuli and our focus lighting brought out the velvetiness of our stimuli most similarly to office lighting. We conclude that the influence of lighting on material perception is material-dependent.

Original languageEnglish
Title of host publicationProceedings of SPIE-IS and T Electronic Imaging - Human Vision and Electronic Imaging XX
EditorsBernice E. Rogowitz, Thrasyvoulos N. Pappas, Huib de Ridder
PublisherSPIE
ISBN (Electronic)9781628414844
DOIs
Publication statusPublished - 2015
Externally publishedYes
EventHuman Vision and Electronic Imaging XX - San Francisco, United States
Duration: 9 Feb 201512 Feb 2015

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9394
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceHuman Vision and Electronic Imaging XX
Country/TerritoryUnited States
CitySan Francisco
Period9/02/1512/02/15

Keywords

  • Lighting perception
  • Material perception
  • Material qualities
  • Optical mixing

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