A practical salient region feature based 3D multi-modality registration method for medical images

@inproceedings{Hahn2006APS,
  title={A practical salient region feature based 3D multi-modality registration method for medical images},
  author={Dieter A. Hahn and Gabriele Wolz and Yiyong Sun and Joachim Hornegger and Frank Sauer and Torsten Kuwert and Xu Chen},
  booktitle={SPIE Medical Imaging},
  year={2006}
}
We present a novel representation of 3D salient region features and its integration into a hybrid rigid-body registration framework. We adopt scale, translation and rotation invariance properties of those intrinsic 3D features to estimate a transform between underlying mono- or multi-modal 3D medical images. Our method combines advantageous aspects of both feature- and intensity-based approaches and consists of three steps: an automatic extraction of a set of 3D salient region features on each… 
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