Chapter

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

Fulvio Domini and Corrado Caudek

in Sensory Cue Integration

Published in print September 2011 | ISBN: 9780195387247
Published online September 2012 | e-ISBN: 9780199918379 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195387247.003.0007

Series: Computational Neuroscience Series

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

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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

Chapter.  13445 words.  Illustrated.

Subjects: Neuropsychology

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