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MEMORY EFFECTS IN GOLD MATERIAL PERCEPTION (PO38, Pages 381-386)

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Conference Proceeding by Commission Internationale de L'Eclairage, 09/01/2016

Description

In memory matching techniques, it is well known that the retrieved colour might differ from the original colour even if the viewing conditions are the same. This paper investigates the influence of the memory effects on the material perception of gold by three psychophysical experiments. As the results, we found that appropriate luminance modulation was an important factor to perceive a high fidelity gold image. The luminance deviation was enhanced in the memory effect and Gaussian modulation and contrast enhancement were effective for high-fidelity image reproduction of 2D and 3D gold objects, respectively. We also suggested that colour shifts also occurred with the metallic gold objects, and the memory effect with the greatest advantage of luminance enhancement and saturation shift, depended on the participant.