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An algorithm for computing three-dimensional (3-D) velocity field and motion parameters from a range image sequence is presented. It is based on a new integral 3-D rigid motion invariant feature-the trace of a 3×3 “feature matrix” related to the moment of inertia tensor. This trace can be computed at every point of a moving surface and provides a quantitative measure of the local shape of the surface. Based on the feature's conservation along the trajectory of every moving point, a 3-D Flow Constraint Equation is formulated and solved for the velocity field. The robustness of the feature in presence of noise and discontinuity is analyzed
Published in:
Systems, Man, and Cybernetics, Part B: Cybernetics, IEEE Transactions on
(Volume:29
,
Issue:
2
)
Date of Publication: Apr 1999
- Page(s):
- 308 - 314
- ISSN :
- 1083-4419
- INSPEC Accession Number:
- 6211043
- Digital Object Identifier :
- 10.1109/3477.752806
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Apr 1999
- Sponsored by :
- IEEE Systems, Man, and Cybernetics Society
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