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No Evidence for Sequential Effects of the Interaction of Stereo and Motion Cues in Judgements of Perceived Shapes
"... The interaction of the depth cues of binocular disparity and motion parallax could potentially be used by the visual system to recover an estimate of the viewing distance. The present study investigated whether an interaction of stereo and motion has e#ects that persist over time to influence the pe ..."
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The interaction of the depth cues of binocular disparity and motion parallax could potentially be used by the visual system to recover an estimate of the viewing distance. The present study investigated whether an interaction of stereo and motion has e#ects that persist over time to influence the perception of shape from stereo when the motion information is removed. Static stereoscopic ellipsoids were presented following the presentation of rotating stereoscopic ellipsoids, which were located either at the same or a di#erent viewing distance. It was predicted that shape judgements for static stimuli would be better after presentation of a rotating stimulus at the same viewing distance, than after presentation of one at a different viewing distance. No such di#erence was found. It was concluded that an interaction between stereo and motion depth cues does not influence the perception of subsequently presented static objects.
CHAPTER 1 Ideal-Observer Models of Cue Integration
"... When an organism estimates a property of the environment so as to make a decision (“Do I flee or do I fight?”) or plan an action (“How do I grab that salt shaker without tipping my wine glass along the way?”), there are typically multiple sources of information (signals or “cues”) that are useful. T ..."
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When an organism estimates a property of the environment so as to make a decision (“Do I flee or do I fight?”) or plan an action (“How do I grab that salt shaker without tipping my wine glass along the way?”), there are typically multiple sources of information (signals or “cues”) that are useful. These may include different features of the input from one sense, such as vision, where a variety of cues—texture, motion, binocular disparity, and so forth—aid the estimation of the three-dimensional (3D) layout of the environment and shapes of objects within it. Information may also derive from multiple senses such as visual and haptic information about object size, or visual and auditory cues about the location of a sound. In most cases, the organism can make more accurate estimates of environmental properties or more beneficial decisions by integrating these multiple sources of information. In this chapter, we review models of cue integration and discuss benefits and possible pitfalls in applying these ideas to models of behavior. Consider the problem of estimating the 3D orientation (i.e., slant and tilt) of a smooth
