What is it about?

A method for the automatic co-registration of 3D surfaces is presented. The method utilizes the mathematical model of Least Squares 2D image matching and extends it for solving the 3D surface matching problem.

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Why is it important?

The transformation parameters of the search surfaces are estimated with respect to a template surface. The solution is achieved when the sum of the squares of the 3D spatial (Euclidean) distances between the surfaces are minimized. The parameter estimation is achieved using the Generalized Gauss-Markov model.

Perspectives

Apart from the co-registration of the point clouds generated from spaceborne, airborne and terrestrial sensors and techniques, the proposed method is also useful for change detection, 3D comparison, and quality assessment tasks. Experiments using terrain data examples show the capabilities of the method.

Dr Devrim AKCA
Isik University

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This page is a summary of: Co-registration of Surfaces by 3D Least Squares Matching, Photogrammetric Engineering & Remote Sensing, March 2010, American Society for Photogrammetry and Remote Sensing,
DOI: 10.14358/pers.76.3.307.
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