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Sensory Cue Integration$
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Julia Trommershäuser, Konrad Kording, and Michael S. Landy

Print publication date: 2011

Print ISBN-13: 9780195387247

Published to Oxford Scholarship Online: September 2012

DOI: 10.1093/acprof:oso/9780195387247.001.0001

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Combining Image Signals before Three-Dimensional Reconstruction: The Intrinsic Constraint Model of Cue Integration

Combining Image Signals before Three-Dimensional Reconstruction: The Intrinsic Constraint Model of Cue Integration

Chapter:
(p.120) CHAPTER 7 Combining Image Signals before Three-Dimensional Reconstruction: The Intrinsic Constraint Model of Cue Integration
Source:
Sensory Cue Integration
Author(s):

Fulvio Domini

Corrado Caudek

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195387247.003.0007

This chapter examines the possibility that the visual system is unable to generate unbiased estimates of world properties from any single depth cue. The first part shows that retinal disparities and retinal velocities are sufficient to guarantee unbiased estimates of the scaled depth map; and by optimally combining these two cues (a process termed intrinsic constraint, or IC), we can maximize the reliability of the solution. The second part presents a methodology for testing the hypothesized combination process and discusses the available empirical results.

Keywords:   visual system, world properties, depth cue, retinal disparities, retinal velocities, intrinsic constraint

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