Estimation of Altitude in Stereoscopic-3D Versus 2D Real-world Scenes. Deas, L. M., Allison, R. S., Hartle, B., Irving, E. L., Glaholt, M., & Wilcox, L. M. In IS&T International Symposium on Electronic Imaging 2017, Stereoscopic Displays and Applications XXVIII, volume 2017, pages 41–47, 01, 2017.
Estimation of Altitude in Stereoscopic-3D Versus 2D Real-world Scenes [link]Paper  Estimation of Altitude in Stereoscopic-3D Versus 2D Real-world Scenes [link]-1  Estimation of Altitude in Stereoscopic-3D Versus 2D Real-world Scenes [link]-2  doi  abstract   bibtex   
Research on the role of human stereopsis has largely focused on laboratory studies that control or eliminate other cues to depth. However, in everyday environments we rarely rely on a single source of depth information. Despite this, few studies have assessed the impact of binocular vision on depth judgements in real-world scenarios presented in simulation. Here we conducted a series of experiments to determine if, and to what extent, stereoscopic depth provides a benefit for tasks commonly performed by helicopter aircrew. We assessed the impact of binocular vision and stereopsis on perception of (1) relative and (2) absolute distance above the ground (altitude) using natural and simulated stereoscopic-3D (S3D) imagery. The results showed that, consistent with the literature, binocular vision provides very weak input to absolute altitude estimates at high altitudes (10-100ft). In contrast, estimates of relative altitude at low altitudes (0-5ft) were critically dependent on stereopsis, irrespective of terrain type. These findings are consistent with the view that stereopsis provides important information for altitude judgments when close to the ground; while at high altitudes these judgments are based primarily on the perception of 2D cues.
@inproceedings{deas_estimation_2017,
	abstract = {Research on the role of human stereopsis has largely focused on laboratory studies that control or eliminate other cues to depth. However, in everyday environments we rarely rely on a single source of depth information. Despite this, few studies have assessed the impact of binocular
vision on depth judgements in real-world scenarios presented in simulation. Here we conducted a series of experiments to determine if, and to what extent, stereoscopic depth provides a benefit for tasks commonly performed by helicopter aircrew. We assessed the impact of binocular vision and
stereopsis on perception of (1) relative and (2) absolute distance above the ground (altitude) using natural and simulated stereoscopic-3D (S3D) imagery. The results showed that, consistent with the literature, binocular vision provides very weak input to absolute altitude estimates at high
altitudes (10-100ft). In contrast, estimates of relative altitude at low altitudes (0-5ft) were critically dependent on stereopsis, irrespective of terrain type. These findings are consistent with the view that stereopsis provides important information for altitude judgments when close to
the ground; while at high altitudes these judgments are based primarily on the perception of 2D cues.},
	annote = {Winner of Best Paper (stereoscopic presentation)

Stereoscopic Dsiplays and Applications 2017},
	author = {Deas, Lesley M. and Allison, Robert S. and Hartle, Brittney and Irving, Elizabeth L. and Glaholt, Mackenzie and Wilcox, Laurie M.},
	booktitle = {{IS\&T} International Symposium on Electronic Imaging 2017, Stereoscopic Displays and Applications XXVIII},
	date-added = {2017-07-26 18:30:36 +0000},
	date-modified = {2017-11-27 01:29:19 +0000},
	doi = {10.2352/ISSN.2470-1173.2017.5.SD&A-355},
	journal = {Electronic Imaging},
	keywords = {Stereopsis},
	month = 01,
	number = {5},
	pages = {41--47},
	title = {Estimation of {Altitude} in {Stereoscopic}-3D {Versus} 2D {Real}-world {Scenes}},
	url = {http://www.ingentaconnect.com/content/ist/ei/2017/00002017/00000005/art00005},
	url-1 = {http://www.ingentaconnect.com/content/ist/ei/2017/00002017/00000005/art00005},
	url-2 = {http://dx.doi.org/10.2352/ISSN.2470-1173.2017.5.SD&A-355},
	volume = {2017},
	year = {2017},
	url-1 = {http://www.ingentaconnect.com/content/ist/ei/2017/00002017/00000005/art00005},
	url-2 = {https://doi.org/10.2352/ISSN.2470-1173.2017.5.SD&A-355}}
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