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Updated: Jun 7, 2026

Magnetic Resonance Derived Myocardial Strain Assessment Using Feature Tracking
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Magnetic Resonance Derived Myocardial Strain Assessment Using Feature Tracking

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2-D high-frame-rate dynamic elastography using delay compensated and angularly compounded motion vectors: preliminary

Reza Zahiri Azar1, Ali Baghani, Septimiu E Salcudean

  • 1Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada. zahiri@ece.ubc.ca

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
|November 3, 2010
PubMed
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This study introduces a novel ultrasound system for high-frame-rate 2-D motion measurement, enabling accurate tissue elasticity imaging. The system achieves high temporal resolution for real-time applications, improving diagnostic capabilities.

Area of Science:

  • Medical Imaging
  • Biomedical Engineering
  • Ultrasound Technology

Background:

  • Accurate tissue elasticity imaging is crucial for diagnosing various medical conditions.
  • Conventional ultrasound methods face limitations in achieving high frame rates for dynamic motion analysis.

Purpose of the Study:

  • To develop and validate a new ultrasound-based system for high-frame-rate, 2-D periodic motion measurement.
  • To enable real-time tissue elasticity imaging using the acquired motion data.

Main Methods:

  • Utilizes RF signal acquisition at multiple steering angles.
  • Employs a custom sector subdivision technique for enhanced temporal resolution.
  • Reconstructs in-plane 2-D motion vectors from delay-compensated 1-D motions.

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Published on: February 12, 2011

Human Fetal Blood Flow Quantification with Magnetic Resonance Imaging and Motion Compensation
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Published on: January 7, 2021

Main Results:

  • Achieved a frame rate of 1667 Hz for flow velocity estimation, showing agreement with pulsed-wave Doppler.
  • Successfully reconstructed Young's modulus images at 1250 Hz, with accurate estimations for phantom inclusions.
  • Demonstrated quantitative validation using commercial flow and elasticity phantoms.

Conclusions:

  • The developed ultrasound system provides high-frame-rate 2-D motion measurement capabilities.
  • The system is suitable for real-time tissue elasticity imaging applications.
  • Validated performance indicates potential for improved diagnostic accuracy in ultrasound-based assessments.