Subjective evaluations of multiple three-dimensional displays by a stereo-deficient viewer: an interesting case study

John P. McIntire; Sharon A. Ellis; Lawrence K. Harrington; Paul R. Havig

doi:10.1117/12.2054051

13 June 2014 Subjective evaluations of multiple three-dimensional displays by a stereo-deficient viewer: an interesting case study

John P. McIntire, Sharon A. Ellis, Lawrence K. Harrington, Paul R. Havig

Author Affiliations +

Proceedings Volume 9086, Display Technologies and Applications for Defense, Security, and Avionics VIII; and Head- and Helmet-Mounted Displays XIX; 908605 (2014) https://doi.org/10.1117/12.2054051
Event: SPIE Defense + Security, 2014, Baltimore, MD, United States

Abstract

A study was conducted with sixteen observers evaluating four different three-dimensional (3D) displays for usability, quality, and physical comfort. One volumetric display and three different stereoscopic displays were tested. The observers completed several different types of questionnaires before, during and after each test session. All observers were tested for distance acuity, color vision, and stereoscopic acuity. One observer in particular appeared to have either degraded or absent binocular vision on the stereo acuity test. During the subjective portions of the data collection, this observer showed no obvious signs of depth perception problems and finished the study with no issues reported. Upon further post-hoc stereovision testing of this observer, we discovered that he essentially failed all tests requiring depth judgments of fine disparity and had at best only gross levels of stereoscopic vision (failed all administered stereoacuity threshold tests, testing up to about 800 arc sec of disparity). When questioned about this, the stereo-deficiency was unknown to the observer, who reported having seen several stereoscopic 3D movies (and enjoyed the 3D experiences). Interestingly, we had collected subjective reports about the quality of three-dimensional imagery across multiple stereoscopic displays from a person with deficient stereo-vision. We discuss the participant’s unique pattern of results and compare and contrast these results with the other stereo-normal participants. The implications for subjective measurements on stereoscopic three-dimensional displays and for subjective display measurement in general are considered.

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John P. McIntire, Sharon A. Ellis, Lawrence K. Harrington, and Paul R. Havig "Subjective evaluations of multiple three-dimensional displays by a stereo-deficient viewer: an interesting case study", Proc. SPIE 9086, Display Technologies and Applications for Defense, Security, and Avionics VIII; and Head- and Helmet-Mounted Displays XIX, 908605 (13 June 2014); https://doi.org/10.1117/12.2054051

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KEYWORDS

3D displays

Visualization

3D volumetric displays

Image quality

Stereoscopic displays

3D vision

Eye

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