Study on two-dimensional ultrasonic strain reconstruction using finite element analysis model and tissue experiment

Chuxiong Ding, Jing Bai

Research output: Contribution to journalArticlepeer-review

Abstract

Elastograhy is a method for imaging the elastic behavior of soft tissues by means of ultrasonic echoes. A two-dimensional soft-tissue scattering simulation model based on finite element analysis was established. Radio-frequency ultrasonic back-scattering signals before and after tissue compression were obtained. The strain images were reconstructed by a cross-correlation based elastography procedure. The results show that the tissue lateral displacement introduces large errors into the reconstructed strain. Using ultrasound beams situated at the compression center and decreasing the compression ratio can reduce such errors.

Original languageEnglish (US)
Pages (from-to)345-350
Number of pages6
JournalShengxue Xuebao/Acta Acustica
Volume27
Issue number4
StatePublished - Jul 1 2002

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

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