Non-rigid registration using morphons

  • Authors:
  • Andreas Wrangsjö;Johanna Pettersson;Hans Knutsson

  • Affiliations:
  • Medical Informatics, Department of Biomedical Engineering, and Center for Medical Image Science and Visualization, Linköping University, Sweden;Medical Informatics, Department of Biomedical Engineering, and Center for Medical Image Science and Visualization, Linköping University, Sweden;Medical Informatics, Department of Biomedical Engineering, and Center for Medical Image Science and Visualization, Linköping University, Sweden

  • Venue:
  • SCIA'05 Proceedings of the 14th Scandinavian conference on Image Analysis
  • Year:
  • 2005

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Abstract

The Morphon, a non-rigid registration method is presented and applied to a number of registration applications. The algorithm takes a prototype image (or volume) and morphs it into a target image using an iterative, multi-resolution technique. The deformation process is done in three steps: displacement estimation, deformation field accumulation and deformation. The framework could be described in very general terms, but in this paper we focus on a specific implementation of the Morphon framework. The method can be employed in a wide range of registration tasks, which is shown in four very different registration examples; 2D photographs of hands and faces, 3D CT data of the hip region, and 3D MR brain images.