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IEICE TRANSACTIONS on Information

Robust 3D Reconstruction with Outliers Using RANSAC Based Singular Value Decomposition

Xi LI, Zhengnan NING, Liuwei XIANG

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Summary :

It is well known that both shape and motion can be factorized directly from the measurement matrix constructed from feature points trajectories under orthographic camera model. In practical applications, the measurement matrix might be contaminated by noises and contains outliers. A direct SVD (Singular Value Decomposition) to the measurement matrix with outliers would yield erroneous result. This paper presents a novel algorithm for computing SVD with outliers. We decompose the SVD computation as a set of alternate linear regression subproblems. The linear regression subproblems are solved robustly by applying the RANSAC strategy. The proposed robust factorization method with outliers can improve the reconstruction result remarkably. Quantitative and qualitative experiments illustrate the good performance of the proposed method.

Publication
IEICE TRANSACTIONS on Information Vol.E88-D No.8 pp.2001-2004
Publication Date
2005/08/01
Publicized
Online ISSN
DOI
10.1093/ietisy/e88-d.8.2001
Type of Manuscript
LETTER
Category
Image Recognition, Computer Vision

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