STUDY ON ESTIMATION OF SOUND VELOCITY IN MASSIVE TISSUE FROM IMAGE DISTORTION OF ULTRASONIC ECHOGRAM.

Kawan Soetanto, Shigeo Ohtsuki, Motoyoshi Okujima

Research output: Contribution to journalArticle

Abstract

This paper describes an estimation method for in vivo measurement of sound velocity in a massive tissue from distorted image in some reflectors of ultrasonic echogram obtained from conventional ultrasonic equipment. As an experimental model, some reference reflectors were placed posterior to a cylinder in water. The ultrasonic echogram was obtained by a linear scanning system. It was the distorted image of the real section of the model. The distorted image was simulated by a computer based on the acoustic ray theory. As a result, the distorted image was related to the relative sound velocity of a cylinder to the surroundings. Some estimations methods are proposed.

Original languageEnglish
Pages (from-to)23-33
Number of pages11
JournalBulletin of Research Laboratory of Precision Machinery and Electronics
Issue number54
Publication statusPublished - 1984 Sep 1
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)

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