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Factors Influencing the Processing of Simple Shapes


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  • Product Description

The location of imperfections or heterogeneities in shapes and contours often correlates with points of interest in a visual scene. Investigating the detection of such heterogeneities provides clues as to the mechanisms processing simple shapes and contours. Set-size effects are measured for sampled contours to investigate how the visual system combines shape information across space. Stimuli were shapes sampled by oriented Gabor patches: circles and high-amplitude RF4 and RF8 radial frequency patterns with Gabor orientations tangential to the shape. Subjects had to detect a deviation in orientation of one element (‘heterogeneity’). A model is proposed for the processing of simple shapes based on V4 curvature units with late noise, incorporating spacing, shape curvature, and the number of monotonic curvature segments contained in the shape. The model accurately accounts for the experimental results, and also makes testable predictions for a variety of simple shapes. This book might be useful for Vision Scientists, Psychophysicists and Psychologists with an interest in shape processing and may also serve as an introduction to shape processing for research students in this field.

Product Specifications
SKU :COC77271
AuthorChristian Kempgens
Number of Pages408
Publishing Year2014-01-08T00:00:00.000
Edition1 st
Book TypePsychology
Country of ManufactureIndia
Product BrandScholars' Press
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-10-08 00:00:00