Groupwise surface correspondence by optimization: Representation and regularization

@article{Davies2008GroupwiseSC,
  title={Groupwise surface correspondence by optimization: Representation and regularization},
  author={Rhodri H. Davies and Carole J. Twining and Christopher J. Taylor},
  journal={Medical image analysis},
  year={2008},
  volume={12 6},
  pages={787-96}
}
Groupwise optimization of correspondence across a set of unlabelled examples of shapes or images is a well-established technique that has been shown to produce quantitatively better models than other approaches. However, the computational cost of the optimization is high, leading to long convergence times. In this paper, we show how topologically non-trivial shapes can be mapped to regular grids, hence represented in terms of vector-valued functions defined on these grids (the shape image… CONTINUE READING
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