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Volume: 31 | Article ID: art00015
The Quality of Stereo Disparity in the Polar Regions of a Stereo Panorama
  DOI :  10.2352/ISSN.2470-1173.2019.3.SDA-642  Published OnlineJanuary 2019

Without considering the pose of the viewer there are problems with displaying stereo correctly at the top and bottom poles of a 4 Pi steradian panorama. This has led to a commonly held position that one cannot handle stereo adequately at the poles of a panorama. In the tracked case, where the pose of one viewer’s head is known, it is possible to improve the stereo experience for that viewer utilizing variations on standard VR display methods. It is also possible to display an approximately correct projection without knowing the viewer’s pose. There are practical issues with the projections used and the camera placement and stitching methods that affect the quality of stereo disparity, especially at the poles. This paper visually analyzes issues in the display of stereo panoramas with standard VR display methods on both HMDs and panel or projection-based walk-in VR displays.

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Daniel Sandin, Haoyu Wang, Ahmad Atra, Richard A. Ainsworth, Maxine Brown, Thomas A. DeFanti, "The Quality of Stereo Disparity in the Polar Regions of a Stereo Panoramain Proc. IS&T Int’l. Symp. on Electronic Imaging: Stereoscopic Displays and Applications XXX,  2019,  pp 642-1 - 642-6,

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