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20 February 2012 Crosstalk reduces the amount of depth seen in 3D images of natural scenes
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Abstract
Crosstalk remains an important determinant of stereoscopic 3D (S3D) image quality. Defined as the leakage of one eye's image into the image of the other eye it affects all commercially available stereoscopic viewing systems. Previously we have shown that crosstalk affects perceived depth magnitude in S3D displays. We found that perceived depth between two lines separated in depth decreased as crosstalk increased. The experiments described here extend our previous work to complex images of natural scenes. We controlled crosstalk levels by simulating them in images presented on a zero-crosstalk mirror stereoscope display. The observers were asked to estimate the amount of stereoscopic depth between pairs of objects in stereo-photographs of cluttered rooms. Data show that as crosstalk increased perceived depth decreased; an effect found at all disparities. Similarly to our previous experiments a significant decrease in perceived depth was observed with as little as 2-4% crosstalk. Taken together these results demonstrate that our previous findings generalize to natural scenes and show that crosstalk reduces perceived depth magnitude even in natural scenes with pictorial depth cues.
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Inna Tsirlin, Robert S. Allison, and Laurie M. Wilcox "Crosstalk reduces the amount of depth seen in 3D images of natural scenes", Proc. SPIE 8288, Stereoscopic Displays and Applications XXIII, 82880W (20 February 2012); doi: 10.1117/12.906751; https://doi.org/10.1117/12.906751
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