Rectification-Free multibaseline stereo for non-ideal configurations

Authors:
Hongdong Li;Richard Hartley
Affiliations:
Research School of Information Sciences and Engineering, The Australian National University, ASSeT, Canberra Research Labs, National ICT Australia;Research School of Information Sciences and Engineering, The Australian National University, ASSeT, Canberra Research Labs, National ICT Australia
Venue:
ICIAP'05 Proceedings of the 13th international conference on Image Analysis and Processing
Year:
2005

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Abstract

SSSD-based linear multibaseline stereo is an efficient implementation of multi-camera stereo vision system. This efficiency, however, vitally relies on the ideal configuration of all cameras. For dealing with non-ideal configurations, conventional stereo rectification algorithms can be used, but the performances are often still not satisfactory. This paper proposes a new algorithm to process non-ideally configured multibaseline stereo system, which not only avoids the rectification procedure but also remains the efficiency of SSSD at the same time. This is fulfilled by using the idea of tensor transfer used in image-based-rendering area. In particular, the multibaseline stereo is reformulated as a novel-view-synthesis problem. We propose a new concept of tensor-transfer to generate novel views as well as compute the depth map.