Spatial Vision , Vol. 17, No. 3, pp. 187 – 200 (2004) VSP 2004. Also available online - www.vsppub.com Configuration effects on texture transparency TAKAHIRO KAWABE ∗ and KAYO MIURA Department of Behavioral and Health Sciences, Graduate School of Human-Environment Studies, Kyushu University, 6-19-1, Hakozaki, Higashi-ku, Fukuoka-city 8128581, Japan Received 17 May 2003; accepted 1 November 2003 Abstract —This study examined the factors producing the perception of transparency between overlaid regions composed of Gabor micro-patterns as functions of their spatial frequency, separation of overlaid regions, and types of orientation modulation. The results showed that the likelihood of perceiving transparency was high both when (1) the difference in Gabor spatial frequency between regions was large, and (2) the region boundary, which was formed by short-range orientation differences in the Gabor micro-patterns, clearly emerged. We conclude that texture transparency appears to result from an interaction between a boundary-detection mechanism defining the shape of each region and a surface-detection mechanism assigning the boundary. Keywords : Texture segregation; perceptual transparency; boundary assignment. 1. INTRODUCTION The visual system can recover three-dimensional geometrical relationships between visual objects by using various cues. For example, we often encounter situations where one object occludes another. If
Spatial Vision (continued as Seeing & Perceiving from 2010) – Brill
Published: Jan 1, 2004
Keywords: BOUNDARY ASSIGNMENT; PERCEPTUAL TRANSPARENCY; TEXTURE SEGREGATION
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