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Summary: Effect of Disparity Noise on Stereoscopic Surface Perception
in Human and Ideal Observers
S. Palmisano
, R.S. AllisonE
& I.P. HowardE
(
Department of Psychology, University of
Wollongong, NSW, Australia, 2522, email: stephenp@uow.edu.au; E
Centre for Vision Research,
York University, Toronto, Ontario, Canada, M3J 1P3)
Abstract: Stereoscopic surface detection of human and
ideal observers was assessed using a signal detection
paradigm. Signal displays were disparity defined
sinusoidal or square wave corrugations in depth
containing various amounts of additive disparity noise.
Distracter displays were created by scrambling pure
signal stimuli along the vertical dimension - destroying
surface representation while leaving the depth range
intact. Additive disparity noise was found to interfere
with stereoscopic surface detection for both human and
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