Mean scatterer spacing estimation using multi-taper coherence

@article{Rubert2013MeanSS,
  title={Mean scatterer spacing estimation using multi-taper coherence},
  author={Nicholas Rubert and Tomy Varghese},
  journal={IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control},
  year={2013},
  volume={60},
  pages={1061-1073}
}
It has been hypothesized that estimates of mean scatterer spacing are useful indicators for pathological changes to the liver. A commonly employed estimator of the mean scatterer spacing is the location of the maximum of the collapsed average of coherence of the ultrasound radio-frequency signal. To date, in ultrasound, estimators for this quantity have been calculated with a single taper. Using frequency-domain Monte Carlo simulations, we demonstrate that multi-taper estimates of coherence are… CONTINUE READING

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