27 February 2012 Effect of camera separation on the viewing experience of stereoscopic photographs
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J. of Electronic Imaging, 21(1), 011011 (2012). doi:10.1117/1.JEI.21.1.011011
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 ±1 deg⁡ and cardboard effect (quantified with roundness factor) did not negatively affect the naturalness of depth sensation.
© 2012 SPIE and IS&T
Mikko Kytö, Jussi H. Hakala, Pirkko T. Oittinen, Jukka P. Häkkinen, "Effect of camera separation on the viewing experience of stereoscopic photographs," Journal of Electronic Imaging 21(1), 011011 (27 February 2012). https://doi.org/10.1117/1.JEI.21.1.011011


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