Seeing a Triangle in a 3d Scene Monocularly and Binocularly

Vasily Minkov (proveyourselfmail@gmail.com) and Tadamasa Sawada (tada.masa.sawada@gmail.com)
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Vasily Minkov: National Research University Higher School of Economics
Tadamasa Sawada: National Research University Higher School of Economics

HSE Working papers from National Research University Higher School of Economics

Abstract: Theoretical understanding of a visual stimulus in a psychophysical experiment is critical for controlling the experiment and for interpreting its results. This fact encourages vision scientists to use “simple” visual stimuli. A triangle in a 3D scene is one of the simplest stimuli for studying 3D perception. In this study, we analyzed geometrical properties of a relation between the triangle and its retinal image using a computer algorithm. Based on the analysis, we discuss validity of results of past studies that used triangles as their visual stimuli.

Keywords: shape constancy; shape ambiguity; visual space; Euclidean geometry; non-Euclidean geometry; binocular disparity; P3P problem. (search for similar items in EconPapers)
JEL-codes: Z (search for similar items in EconPapers)
Pages: 18 pages
Date: 2018
New Economics Papers: this item is included in nep-exp
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

Published in WP BRP Series: Science, Psychology / PSY, August 2018, pages 1-18

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Persistent link: https://EconPapers.repec.org/RePEc:hig:wpaper:91psy2018

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