A novel consistency regularizer for meshless nonrigid image registration

Authors:
Wei Liu;Eraldo Ribeiro
Affiliations:
Computer Vision and Bio-Inspired Computing Laboratory, Florida Institute of Technology, Melbourne, FL;Computer Vision and Bio-Inspired Computing Laboratory, Florida Institute of Technology, Melbourne, FL
Venue:
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part II
Year:
2010

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Abstract

In nonrigid motion analysis, deformation fields are often modeled using splines defined on a control-point grid. Inspired by recent development of meshfree methods, we propose a novel motion model that does not use control-point grids, nor use explicit node connections. We also propose a regularizer for the deformation field and the minimization algorithm. The method has promising features such as the handling of irregular regions, adaptive accuracy, the multi-scale modeling, and the potential for integrating physical properties into the registration process. Promising results were obtained on both synthetic and real imagery.