Surface signature-based method for modeling and recognizing free-form objects

Authors:
H. B. Darbandi;M. R. Ito;J. Little
Affiliations:
Electrical and Computer Engineering, University of British Columbia;Electrical and Computer Engineering, University of British Columbia;Computer Science, University of British Columbia
Venue:
ISVC'07 Proceedings of the 3rd international conference on Advances in visual computing - Volume Part II
Year:
2007

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Abstract

In this paper we propose a new technique for modeling three-dimensional rigid objects by encoding the fluctuation of the surface and the variation of its normal around an oriented surface point, as the surface expands. The surface of the object is encoded into three vectors as the surface signature on each point, and then the collection of signatures is used to model and match the object. The signatures encode the curvature, symmetry, and convexity of the surface around an oriented point. This modeling technique is robust to scale, orientation, sampling resolution, noise, occlusion, and cluttering.