Special Section on Stereoscopic Displays and Applications

Effect of camera separation on the viewing experience of stereoscopic photographs

[+] Author Affiliations
Mikko Kytö

Aalto University, Department of Media Technology, FI-00076 AALTO, Finland

Jussi Hakala

Aalto University, Department of Media Technology, FI-00076 AALTO, Finland

Pirkko Oittinen

Aalto University, Department of Media Technology, FI-00076 AALTO, Finland

Jukka Häkkinen

Aalto University, Department of Media Technology, FI-00076 AALTO, Finland

J. Electron. Imaging. 21(1), 011011 (Feb 27, 2012). doi:10.1117/1.JEI.21.1.011011
History: Received May 1, 2011; Revised September 9, 2011; Accepted September 26, 2011
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Abstract.  This study presents a geometric and subjective analysis of typical mobile stereoscopic 3-D images. The geometry of the stereoscopic pipeline from the scene to the eyes of the viewer is a highly relevant issue in stereoscopic media. One important factor is camera separation, because it can be used to control the perceived depth of stereoscopic images. The geometric analysis included consideration of disparity and roundness factor within typical mobile stereoscopic imaging scenes. These geometric properties of stereoscopic 3-D images were compared to subjective evaluations by varying camera separation in different scenes. The participants in this study evaluated the strength and naturalness of depth sensation and the overall viewing experience from still images with the single-stimulus method. The results showed that participants were able to perceive the change of depth range even though the images were shown in random order without a reference depth scale. The highest naturalness of depth sensation and viewing experience were achieved with 2 cm to 6 cm camera separation in every content. With these preferred camera separations, the disparity range was less than ±1deg and cardboard effect (quantified with roundness factor) did not negatively affect the naturalness of depth sensation.

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© 2012 SPIE and IS&T

Topics

Cameras

Citation

Mikko Kytö ; Jussi Hakala ; Pirkko Oittinen and Jukka Häkkinen
"Effect of camera separation on the viewing experience of stereoscopic photographs", J. Electron. Imaging. 21(1), 011011 (Feb 27, 2012). ; http://dx.doi.org/10.1117/1.JEI.21.1.011011


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