Abstract
In a dual lens stereoscopic camera, a convergence point determines
the stereopsis effects of a video. When a user zooms an object, a
convergence point is fixed since it is not coupled with a zoom function.
Due to the fixed convergence point, it is possible for a zoom to cause the
excessive binocular disparity resulting in visual discomfort. In this
paper, to solve this problem, we build the relational model including all
phenomena possible to arise and propose the adjustment methods of a
convergence point by the positions of a focus, an object and a convergence
point. We also evaluate the experiments measuring a binocular disparity
and the subjective test to investigate the visual comfort. The results
show that one of the proposed methods produced more comfortable 3D images
to viewers than the others.
© 2016 Optical Society of Korea
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