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Immersion, tangibility, and realism: Explaining the qualitative experience of stereopsis

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Title Immersion, tangibility, and realism: Explaining the qualitative experience of stereopsis
Title of Series Stereoscopic Displays and Applications XXIV (SD&A 2013)
Part Number 14
Number of Parts 36
Author Vishwanath, Dhanraj
License CC Attribution - NoDerivatives 2.0 UK: England & Wales:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
DOI 10.5446/30586
Publisher IS&T Electronic Imaging (EI) Symposium
Release Date 2013
Language English

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Subject Area Information technology
Abstract The fundamental visual property that drives 3D stereoscopic technology is the compelling qualitative experience of tangible solid objects, immersive space and realism that is lacking in conventional 2D displays. This qualitative visual phenomenon, referred to as ‘stereopsis’, is widely assumed to be a by-product of binocular vision. However, its underlying cause, variation and functional role remain largely unexplained. In this theoretical paper I briefly present an alternative hypothesis that stereopsis is not a phenomenon restricted to binocular vision, but a more basic qualitative visual property related to the perception of egocentric distance and scale. I review recent empirical evidence showing that stereopsis is not simply a product of binocular disparities or the mere perception of “more depth”. The theory and results imply critical distinctions between the qualitative experience of stereopsis and the quantitative perception of 3D structure. I describe how this alternative view has important implications for the perception of scale and realism in both conventional and stereoscopic display systems; e.g., perception of miniaturization (puppet-theater effect) and gigantism. © (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE).

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