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Motion parallax, stereoscopy, and the perception of depth: Practical and theoretical issues

Motion parallax, stereoscopy, and the perception of depth: Practical and theoretical issues,Jocelyn Faubert

Motion parallax, stereoscopy, and the perception of depth: Practical and theoretical issues   (Citations: 8)
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This paper deals with practical and theoretical issues related to motion parallax. Motion parallax implies that the perception of depth can be extracted from a temporal sequence of images that contain different perspectives. The present paper will focus on the relative effectiveness of motion parallax as compared to stereoscopic depth perception. It will be argued that motion parallax alone will generate a strong sense of depth, even in the absence of stereoscopic cues. Two studies directly comparing motion parallax and stereoscopy will be presented showing that, under certain conditions, these cues can be equally efficient and that there can be an additive effect when both cues are present. A theoretical discussion on the effect of optical distortions and how such distortions can influence motion parallax from a viewer's perspective will follow. Particular emphasis will be placed on the optical distortions produced by progressive addition lenses used to correct for presbyopia. Finally, research avenues will be proposed to answer some of the theoretical and practical issues related to motion parallax in our daily activities.
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    • ...This relative motion is used by the HVS to generate a sensation of depth [13]...

    Frederik Zillyet al. Production Rules for Stereo Acquisition

    • ...Other tasks that also require spatial understanding of the scenes are rod positioning tasks [5] and object recognition [6]...
    • ...Adding either motion or stereoscopic cues, increases performance compared to a static monocular presentation [3],[5],[7],[8]...
    • ...As illustrated in table 1, only one study used both OM and MP in the same experiment [7], whereas other studies investigated performance effects of either OM [3],[6],[8] or MP [4],[5] in isolation...
    • ...Accuracy is lower for the conditions using OM without stereo, accuracy increases when stereo is added to OM. [3],[5],[7],[8]...
    • ...However, for MP the addition of stereo reveals similar results as the MP condition without stereo [4],[5]...

    M. H. P. H. van Beurdenet al. Performance of a path tracing task using stereoscopic and motion based...

    • ...Most spatial cues are linked to the visual modality, for example, static monocular cues like occlusion, height in the visual field, relative size, relative density and texture effects, aerial perspective and relative brightness, foreshortening and accommodation (Cutting, 1997; Gibson, 1973; Murch & Woodworth, 1977; Surdick, Davis, King, & Hodges, 1997); dynamic monocular cues like motion parallax (Faubert, 2001) or binocular cues ...

    Werner Wirthet al. A Process Model of the Formation of Spatial Presence Experiences

    • ...The concepts of the MP and its role in depth perception can be understood by examining the works of Helmholtz [18], Braunstein [19], Rogers and Graham [20], Gibson [21], and also Faubert [22]...
    • ...Note that the case of a moving observer who is viewing stationary objects is geometrically equivalent to a stationary observer viewing moving objects [22]...

    Sirisha S. Karriet al. An Analog VLSI Velocity Sensor System for Depth Perception

    • ...It is shown that the image motion produced on the retina is the same for the cases of stationary observer viewing objects moving at same velocity and moving observer viewing stationary objects [14]...

    Sirisha S. Karriet al. Dual Analog Focal Plane Sensors for Depth Perception

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