Three-dimensional object registration using the wavelet transform

  • Authors:
  • Julie S. Chalfant;Nicholas M. Patrikalakis

  • Affiliations:
  • Massachusetts Institute of Technology;Massachusetts Institute of Technology

  • Venue:
  • Proceedings of the 24th Spring Conference on Computer Graphics
  • Year:
  • 2008

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Abstract

Rapid, three-dimensional, shape-based registration is a key aspect of current challenges in applications from automated surface inspection to cancer detection and surgery. Fast, automatic registration of three-dimensional objects is an area of active research. Two main approaches exist: registration using geometric features and registration using voxel comparison. In general, registration using geometric features is faster but less accurate, while registration using voxel comparison is very accurate but requires an initial positioning as the methods tend to settle into local minima. In addition, most geometric feature methods are not designed for use on voxelized data. We present a fast, automatic, rigid registration method using wavelet features which is designed for voxelized data and which provides an excellent initial positioning for further non-rigid registration using a voxel comparison method. The efficacy of the algorithm is demonstrated through examples from solid modeling and biomedical applications.