Attenuation estimation on phantoms - A stability test

Research output: Contribution to journalArticle

26 Scopus citations

Abstract

Global and local attenuation coefficient estimates were calculated using three methods: the envelope peak method, the central-frequency-downshift method, and the zero-crossing method. The results show that for each method the error of the local estimate with respect to the global estimate is increased as the sample volume is decreased. While the performances of the latter two methods are comparable, the performance of the envelope peak method is significantly superior.

Original languageEnglish (US)
Pages (from-to)1-10
Number of pages10
JournalUltrasonic Imaging
Volume8
Issue number1
DOIs
StatePublished - Jan 1986

Keywords

  • Attenuation coefficient
  • attenuation estimation

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

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