Motion and structure from long stereo image sequences

The treatment of uncertainty in 3D points determined by stereo triangulation affects significantly the reliability of the estimated 3D motion and structure. The authors first address this issue in the estimation of inter-frame motion. Two methods are discussed, a closed-form matrix-weighted least-sq...

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Published in:Visual Motion, 1991 Workshop pp. 75 - 80
Main Authors: Ning Cui, Juyang Weng, Cohen, P.
Format: Conference Proceeding
Language:English
Published: IEEE Comput. Soc. Press 1991
Subjects:
Cameras
Image analysis
Image sequence analysis
Image sequences
Layout
Motion estimation
Nonlinear optics
Optical filters
Optical sensors
Performance analysis
ISBN:9780818621536, 0818621532
Online Access:Get full text
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Abstract The treatment of uncertainty in 3D points determined by stereo triangulation affects significantly the reliability of the estimated 3D motion and structure. The authors first address this issue in the estimation of inter-frame motion. Two methods are discussed, a closed-form matrix-weighted least-squares solution and an iterative optimal solution. Using each of these two methods for two-view analyses, the authors proceed to deal with long image sequences. A recursive-batch approach is adopted to fuse multiple stereo views in order to achieve higher performance without suffering from excessive computational cost. Experiments with a real stereo image sequence have been presented to show the performance of the algorithms.< >
AbstractList The treatment of uncertainty in 3D points determined by stereo triangulation affects significantly the reliability of the estimated 3D motion and structure. The authors first address this issue in the estimation of inter-frame motion. Two methods are discussed, a closed-form matrix-weighted least-squares solution and an iterative optimal solution. Using each of these two methods for two-view analyses, the authors proceed to deal with long image sequences. A recursive-batch approach is adopted to fuse multiple stereo views in order to achieve higher performance without suffering from excessive computational cost. Experiments with a real stereo image sequence have been presented to show the performance of the algorithms.< >
Author Juyang Weng
Cohen, P.
Ning Cui
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  surname: Cohen
  fullname: Cohen, P.
  organization: Dept. of Electr. Eng., Ecole Polytech. de Montreal, Que., Canada
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Snippet The treatment of uncertainty in 3D points determined by stereo triangulation affects significantly the reliability of the estimated 3D motion and structure....
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StartPage 75
SubjectTerms Cameras
Image analysis
Image sequence analysis
Image sequences
Layout
Motion estimation
Nonlinear optics
Optical filters
Optical sensors
Performance analysis
Title Motion and structure from long stereo image sequences
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