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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"color disision/*physiology"" "subject:"color decisision/*physiology""

1

Color constancy improves for real 3D objects

Hedrich, M., Bloj, M., Ruppertsberg, A. I. January 2009 (has links)
In this study human color constancy was tested for two-dimensional (2D) and three-dimensional (3D) setups with real objects and lights. Four different illuminant changes, a natural selection task and a wide choice of target colors were used. We found that color constancy was better when the target color was learned as a 3D object in a cue-rich 3D scene than in a 2D setup. This improvement was independent of the target color and the illuminant change. We were not able to find any evidence that frequently experienced illuminant changes are better compensated for than unusual ones. Normalizing individual color constancy hit rates by the corresponding color memory hit rates yields a color constancy index, which is indicative of observers' true ability to compensate for illuminant changes.
Adult
Color
Color Perception/*physiology
Color Vision/*physiology
Female
Humans
*Imaging, Three-Dimensional
Learning/physiology
Lighting
Male
Memory/physiology
Middle Aged
Photic Stimulation/*methods
Young Adult
REF 2014

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