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 Panorama" in Proc. IS&T Int’l. Symp. on Electronic Imaging: Stereoscopic Displays and Applications XXX, 2019, pp 642-1 - 642-6, https://doi.org/10.2352/ISSN.2470-1173.2019.3.SDA-642