August 2014
Volume 14, Issue 10
Vision Sciences Society Annual Meeting Abstract  |   August 2014
Perceiving gloss in surfaces and images
Author Affiliations
  • James Ferwerda
    Chester F. Carlson Center for Imaging Science, Rochester Institute of Technology
  • Adria Fores
    Program of Color Science, Rochester Institute of Technology
  • Ingeborg Tastl
    Hewlett-Packard Laboratories
  • John Recker
    Hewlett-Packard Laboratories
Journal of Vision August 2014, Vol.14, 453. doi:
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    • Get Citation

      James Ferwerda, Adria Fores, Ingeborg Tastl, John Recker; Perceiving gloss in surfaces and images. Journal of Vision 2014;14(10):453.

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      © ARVO (1962-2015); The Authors (2016-present)

  • Supplements

We create images as a means to record and communicate object appearance, and it is self evident that images are generally effective for this purpose. However looking at an image of an object is not the same as looking at the object itself due in part to the technological limitations of imaging devices and media such as resolution and dynamic range. In this project we investigated how well computer-generated images represent the appearance properties of real glossy objects. We started by creating an ordered set of printed gloss samples using a commercial-grade HP Indigo electrostatic printer that can selectively apply matteing layers on top of the colored toners. We then measured the set to determine the bi-directional reflectance distribution functions (BRDFs) of each sample. Next we modeled those BRDFs, and used advanced physically-based rendering techniques to render images of the samples as cylinders in a virtual light booth with an area light source and checkerboard-patterned walls. At the same time, we built a matching physical lightbooth and also created a matching physical sample set by wrapping the original paper samples around plastic cylinders. We then conducted a series of scaling experiments in which we had subjects perform both within and across media matching tasks (real-to-real, image-to-image, image-to-real). The results show that on average, observers are capable of performing the matching task in all three conditions, but that there are significant differences in sensitivity to gloss differences across the three conditions, with real-to-real matching showing the highest sensitivity and cross-media image-to-real matching showing the lowest. This work contributes to our understanding of both gloss perception and image perception, and is part of an ongoing effort to understand how and how well images serve as visual representations of objects and surfaces.

Meeting abstract presented at VSS 2014


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