Ultrasonic Methods for Measurement of Small Motion and Deformation of Biological Tissues for Assessment of Viscoelasticity - Rilegato

Hasegawa, Hideyuki; Kanai, Hiroshi

 
9780791860311: Ultrasonic Methods for Measurement of Small Motion and Deformation of Biological Tissues for Assessment of Viscoelasticity
Rilegato
ISBN 10: 0791860310 ISBN 13: 9780791860311
Casa editrice: Momentum Pr, 2014

Sinossi

In this monograph, an accurate ultrasonic method for measurement ofsmall motion and deformation of biological tissue is described. In thedisplacement estimation based on the phase change of echoes, the displacementestimates are biased when the center frequency of the RF echochanges. Such an apparent change in the center frequency could be causedby the interference of echoes from scatterers. To reduce the influence ofthe center frequency variation on the estimation of motion and deformation,an error correcting function, which does not require the assumptionthat the center frequency distributions in 2 different frames are the same,was introduced. As a result, the proposed method provides better strainestimates in comparison with conventional phase-sensitive correlationmethods.This monograph also shows examples of applications of this method tomeasurement of small motion and deformation of biological tissues. Thismethod can be applied to measurement of elasticity of dynamic tissues,such as the artery. Also, elastic properties of static tissues can be also measuredby combining with actuation using the acoustic radiation force.

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L'autore

Hideyuki Hasegawa was born in Oyama, Japan, in 1973. He received a B.E. degree from Tohoku University, Sendai, Japan, in 1996. He received a Ph.D. degree from Tohoku University in 2001. He is presently an associate professor in the Graduate School of Biomedical Engineering, Tohoku University. His main research interest is medical ultrasound, especially diagnosis of atherosclerosis based on measurements of motion and mechanical properties of the arterial wall. Dr. Hasegawa is a member of the IEEE, the Acoustical Society of Japan, the Japan Society of Ultrasonics in Medicine, and the Institute of Electronics, Information and Communication Engineers.

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Editore
Momentum Pr
Data di pubblicazione
2014
Lingua
Inglese
ISBN 10 
0791860310
ISBN 13 
9780791860311
Rilegatura
Copertina rigida
Numero di pagine
45
Contatto del produttore
non disponibile
Persona responsabile
non disponibile

Altre edizioni note dello stesso titolo

9781606505908: Ultrasonic Methods for Measurement of Small Motion and Deformation of Biological Tissues for Assessment of Viscoelasticity

Edizione in evidenza

ISBN 10:  1606505904 ISBN 13:  9781606505908
Casa editrice: Momentum Pr, 2014
Rilegato