Simultaneous backscatter and attenuation estimation using a least squares method with constraints.

@article{Nam2011SimultaneousBA,
  title={Simultaneous backscatter and attenuation estimation using a least squares method with constraints.},
  author={Kibo Nam and James A. Zagzebski and Timothy J. Hall},
  journal={Ultrasound in medicine & biology},
  year={2011},
  volume={37 12},
  pages={2096-104}
}
Backscatter and attenuation variations are essential contrast mechanisms in ultrasound B-mode imaging. Emerging quantitative ultrasound methods extract and display absolute values of these tissue properties. However, in clinical applications, backscatter and attenuation parameters sometimes are not easily measured because of tissues inhomogeneities above the region-of-interest (ROI). We describe a least squares method (LSM) that fits the echo signal power spectra from a ROI to a three-parameter… CONTINUE READING
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Ultrasonic scatterer size estimations in liver tumor differentiation

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