Measurement of ultrasound phase velocity in trabecular bone using adaptive phase tracking

W. Lin, Erik Mittra, C. Berman, C. Rubin, Y. X. Qin

Research output: Contribution to journalConference article

Abstract

Ultrasound velocity (UV) is one of the most popular ultrasound properties in the assessment of bone status. The defining of the arrival time of ultrasound pulse transmitted through the bone is critical to the accuracy of UV measurement. The adaptive phase tracking method can measure the accurate arrival time of a specific frequency component from the broadband ultrasonic pulse through the detection of time dependent phase information. The phase UV derived from the method is objective and robust. When correlated with the stiffness of the trabecular bone from sheep femoral condyle, the phase UV in the trabecular bone obtained through this method has the highest correlation coefficient (r=0.84) compared to the group velocity (r=0.76) and the phase velocity from FFT analysis (r=0.14).

Original languageEnglish (US)
Pages (from-to)2583-2584
Number of pages2
JournalAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Volume3
StatePublished - Dec 1 2002
Externally publishedYes
EventProceedings of the 2002 IEEE Engineering in Medicine and Biology 24th Annual Conference and the 2002 Fall Meeting of the Biomedical Engineering Society (BMES / EMBS) - Houston, TX, United States
Duration: Oct 23 2002Oct 26 2002

Fingerprint

Phase velocity
Bone
Ultrasonics
Bone and Bones
Thigh
Sheep
Cancellous Bone
Fast Fourier transforms
Velocity measurement
Stiffness

Keywords

  • Adaptive phase tracking
  • Bone
  • Phase velocity
  • Trabecular stiffness
  • Ultrasound velocity

ASJC Scopus subject areas

  • Signal Processing
  • Biomedical Engineering
  • Computer Vision and Pattern Recognition
  • Health Informatics

Cite this

Measurement of ultrasound phase velocity in trabecular bone using adaptive phase tracking. / Lin, W.; Mittra, Erik; Berman, C.; Rubin, C.; Qin, Y. X.

In: Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, Vol. 3, 01.12.2002, p. 2583-2584.

Research output: Contribution to journalConference article

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