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How to realize a natural image reproduction using stereoscopic displays with motion parallax

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1 Author(s)
Runde, D. ; Heinrich-Hertz-Inst. fur Nachrichtentech. Berlin GmbH, Germany

In order to achieve a realistic image representation with a high degree of telepresence, stereoscopy is known as a very powerful means. Motion parallax is another important visual cue. It contributes to the naturalness of vision and can reduce artifacts of common stereoscopic representation techniques. This paper focuses on the ratio of (real or virtual) camera movement to head movement (“gain of motion parallax”) and on the image reproduction conditions that allow perceiving a stable and natural stereoscopic image providing motion parallax. Results show that the gain of motion parallax should be adjustable by the viewer. For most observers, the preferred gain is lower than the geometrically correct value of 1. A good starting point seams to be a value of 0.75. All three dimensions of head movement and the individual (and currently actual) interocular distance should be taken into account when calculating the appropriate views. Spatial quantization of eye position should be better than 5 min of arc, and temporal sampling of eye position should be done with 40 Hz or more

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Circuits and Systems for Video Technology, IEEE Transactions on  (Volume:10 ,  Issue: 3 )