Active task measurements of tolerance to stereoscopic 3D image distortion. Allison, R. S., Benzeroual, K., & Wilcox, L. M. In Asia-Pacific Conference on Vision, i-Perception, volume 5, pages 377. 2014. ![Active task measurements of tolerance to stereoscopic 3D image distortion [pdf]](https://bibbase.org/img/filetypes/pdf.svg "pdf")
Paper -1 abstract bibtex An intriguing aspect of picture perception is the viewer's tolerance to modest variation in viewing position, perspective, and display size. In stereoscopic media, additional parameters control the relative position and orientation of the cameras. The amount of estimated depth from disparity can be obtained trigonometrically; however, perceived depth in complex scenes differs from geometrical predictions. It is not clear to what extent these differences are due to cognitive as opposed to perceptual factors. We recorded stereoscopic movies of an indoor scene with a range of inter-axial (IA) camera separation between 3 and 95 mm and displayed them on a range of screen sizes (all subtending 36 deg). Participants reproduced the depth between pairs of objects in the scene using reaching (3.5'' screen) or blind walking (54'' and 22'' screens). The effect of IA and screen size (and thus distance) was much smaller than predicted suggesting that observers compensate for distortion in the portrayed scene. These results mirror those obtained previously with depth magnitude estimation (Benzeroual et al., ECVP 2011). We conclude that multiple realistic depth cues drive normalization of perceived depth from binocular disparity and that these processes are not specific to either `perception' or `action' oriented tasks.
@incollection{Allison:2014qd,
abstract = {An intriguing aspect of picture perception is the viewer's tolerance to modest variation in viewing position, perspective, and display size. In stereoscopic media, additional parameters control the relative position and orientation of the cameras. The amount of estimated depth from disparity can be obtained trigonometrically; however, perceived depth in complex scenes differs from geometrical predictions. It is not clear to what extent these differences are due to cognitive as opposed to perceptual factors. We recorded stereoscopic movies of an indoor scene with a range of inter-axial (IA) camera separation between 3 and 95 mm and displayed them on a range of screen sizes (all subtending 36 deg). Participants reproduced the depth between pairs of objects in the scene using reaching (3.5'' screen) or blind walking (54'' and 22'' screens). The effect of IA and screen size (and thus distance) was much smaller than predicted suggesting that observers compensate for distortion in the portrayed scene. These results mirror those obtained previously with depth magnitude estimation (Benzeroual et al., ECVP 2011). We conclude that multiple realistic depth cues drive normalization of perceived depth from binocular disparity and that these processes are not specific to either `perception' or `action' oriented tasks. },
annote = {APCV 2014 July 2014},
author = {Allison, R. S. and Benzeroual, K. and Wilcox, L. M.},
booktitle = {Asia-Pacific Conference on Vision, i-Perception},
date-added = {2014-09-08 14:16:00 +0000},
date-modified = {2014-09-09 18:55:51 +0000},
journal = {i-Perception},
keywords = {Stereopsis},
number = {4},
pages = {377},
title = {Active task measurements of tolerance to stereoscopic 3D image distortion},
url = {http://i-perception.perceptionweb.com/fulltext/i05/apcv14a.pdf},
url-1 = {http://i-perception.perceptionweb.com/fulltext/i05/apcv14a.pdf},
volume = {5},
year = {2014},
url-1 = {http://i-perception.perceptionweb.com/fulltext/i05/apcv14a.pdf}}
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We recorded stereoscopic movies of an indoor scene with a range of inter-axial (IA) camera separation between 3 and 95 mm and displayed them on a range of screen sizes (all subtending 36 deg). Participants reproduced the depth between pairs of objects in the scene using reaching (3.5'' screen) or blind walking (54'' and 22'' screens). The effect of IA and screen size (and thus distance) was much smaller than predicted suggesting that observers compensate for distortion in the portrayed scene. These results mirror those obtained previously with depth magnitude estimation (Benzeroual et al., ECVP 2011). We conclude that multiple realistic depth cues drive normalization of perceived depth from binocular disparity and that these processes are not specific to either `perception' or `action' oriented tasks. 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