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dc.contributor.author Liu, Yonghuai
dc.date.accessioned 2011-11-08T13:45:05Z
dc.date.available 2011-11-08T13:45:05Z
dc.date.issued 2010-09-01
dc.identifier.citation Liu , Y 2010 , ' Free Form Shape Registration Using the Barrier Method ' Computer Vision and Image Understanding , vol 114 , no. 9 , pp. 1004-1016 . , 10.1016/j.cviu.2010.06.005 en
dc.identifier.issn 1077-3142
dc.identifier.other PURE: 173314
dc.identifier.other dspace: 2160/7678
dc.identifier.uri http://hdl.handle.net/2160/7678
dc.description Liu, Yonghuai. Free Form Shape Registration Using the Barrier Method. Computer Vision and Image Understanding, vol. 114, no. 9, pp. 1004-1016, 2010. en
dc.description.abstract This paper formalizes overlapping free form shape registration as a minimization problem, which minimizes a weighted sum of registration errors of tentative correspondences with the weights subject to boundary conditions. The tentative correspondences are established using the traditional closest point criterion. Then the powerful barrier method is employed to transform the constrained minimization problem to an unconstrained one. Setting the first order derivative of the unconstrained objective function to zero results in the weights being solved with a closed form solution. The weights are finally globally optimized using the deterministic annealing scheme. Outliers due to occlusion, appearance and disappearance of points in either free form shape are explicitly modelled using a constant. The camera motion parameters are updated in the weighted least squares sense. A comparative study based on both synthetic data and real images shows that the proposed algorithm is promising for the accurate and robust automatic registration of overlapping free form shapes. en
dc.format.extent 13 en
dc.language.iso eng
dc.relation.ispartof Computer Vision and Image Understanding en
dc.subject Automatic registration en
dc.subject Overlapping free form shapes en
dc.subject Barrier method en
dc.subject Boundary condition en
dc.subject Deterministic annealing en
dc.title Free Form Shape Registration Using the Barrier Method en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.identifier.doi http://dx.doi.org/10.1016/j.cviu.2010.06.005
dc.contributor.institution Department of Computer Science en
dc.contributor.institution Vision, Graphics and Visualisation Group en
dc.description.status Peer reviewed en


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