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Volume: 29 | Article ID: art00012
Visual perception of surface properties through manipulation
  DOI :  10.2352/issn.2169-2629.2021.29.66  Published OnlineNovember 2021

Vision is a component of a perceptual system whose function is to support purposeful behavior. In this project we studied the perceptual system that supports the visual perception of surface properties through manipulation. Observers were tasked with finding dents in simulated flat glossy surfaces. The surfaces were presented on a tangible display system implemented on an Apple iPad, that rendered the surfaces in real time and allowed observers to directly interact with them by tilting and rotating the device. On each trial we recorded the angular deviations indicated by the device's accelerometer and the images seen by the observer. The data reveal purposeful patterns of manipulation that serve the task by producing images that highlight the dent features. These investigations suggest the presence of an active visuo-motor perceptual system involved in the perception of surface properties, and provide a novel method for its study using tangible display systems

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James A. Ferwerda, Snehal A. Padhye, "Visual perception of surface properties through manipulationin Proc. IS&T 29th Color and Imaging Conf.,  2021,  pp 66 - 70,

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