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Underwater sensing with omni-directional stereo camera

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5 Author(s)
Yamashita, A. ; Dept. of Precision Eng., Univ. of Tokyo, Tokyo, Japan ; Kawanishi, R. ; Koketsu, T. ; Kaneko, T.
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In this paper, we propose an underwater sensing method by using an omni-directional stereo camera system. When observing objects in water through a camera contained in a waterproof housing or observing objects in an aquarium tank filled with preserving liquid, we should solve a problem of light refraction at the boundary surfaces of refractive index discontinuity which gives image distortion. The proposed method uses two omni-directional cameras that have wide field of view to measure underwater environments. A ray tracing technique solves the problem of image distortion caused by refractive index discontinuity. Experimental results show the validity of the proposed method.

Published in:

Computer Vision Workshops (ICCV Workshops), 2011 IEEE International Conference on

Date of Conference:

6-13 Nov. 2011