The ellipsoidal area ratio: an alternative anisotropy index for diffusion tensor imaging.

@article{Xu2009TheEA,
  title={The ellipsoidal area ratio: an alternative anisotropy index for diffusion tensor imaging.},
  author={Dongrong Xu and Jiali Cui and Ravi Bansal and Xuejun Hao and Jun Liu and Weidong Chen and Bradley S. Peterson},
  journal={Magnetic resonance imaging},
  year={2009},
  volume={27 3},
  pages={311-23}
}
In the processing and analysis of diffusion tensor imaging (DTI) data, certain predefined morphological features of diffusion tensors are often represented as simplified scalar indices, termed diffusion anisotropy indices (DAIs). When comparing tensor morphologies across differing voxels of an image, or across corresponding voxels in different images, DAIs are mathematically and statistically more tractable than are the full tensors, which are probabilistic ellipsoids consisting of three… CONTINUE READING
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