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Related Experiment Video

Updated: Jul 21, 2025

Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques
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Attenuation Compensation and Estimation.

Timothy A Bigelow1, Yassin Labyed2,3

  • 1Iowa State University, Ames, IA, USA. bigelow@iastate.edu.

Advances in Experimental Medicine and Biology
|July 26, 2023
PubMed
Summary
This summary is machine-generated.

Accurate ultrasound attenuation estimation is key for quantifying tissue properties and correcting spectral distortion. This review covers algorithms for local and total attenuation, discussing their strengths and weaknesses for tissue characterization.

Keywords:
AttenuationHybrid methodLocal attenuationMultiple filter methodSpectral difference methodSpectral-fit methodSpectral-log difference methodTotal attenuation

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Area of Science:

  • Medical Imaging
  • Acoustics
  • Biophysics

Background:

  • Ultrasound signal loss with depth is crucial for quantitative tissue analysis.
  • Ultrasound attenuation corrects spectral distortion for accurate parameter estimation.
  • Attenuation independently characterizes tissue properties.

Conclusions:

  • Accurate ultrasound attenuation estimation is fundamental for quantitative ultrasound imaging.
  • Algorithm selection depends on the specific application and desired measurement (local vs. total).
  • Understanding algorithm limitations is essential for reliable tissue characterization using ultrasound.