Fast Non Rigid Matching by Gradient Descent : Study and Improvements of the “ Demons ” Algorithm

@inproceedings{Cachier1999FastNR,
  title={Fast Non Rigid Matching by Gradient Descent : Study and Improvements of the “ Demons ” Algorithm},
  author={Pascal Cachier and Xavier Pennec and Nicholas Ayache},
  year={1999}
}
Most iconic methods for rigid matching consist in nding and minimizing a registration criterion speci cally chosen to solve a given problem. For non-rigid matching, attention has rather focussed on the type of smoothing or physical model of deformation to be used. In this report, we propose to place the non-rigid matching problem into a minimization framework. We have developped our theoretical idea in the case of the least squares criterion, corresponding to the assumption that the intensities… CONTINUE READING

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