Title :
P5D-6 Displacement Estimators Using Angular Insonifications for Reconstructive Elastography
Author :
Khaled, Walaa ; Tait, Philip ; Ermert, Helmut ; Reichling, Stefan ; Arnold, Alexander ; Bruhns, Otto T.
Author_Institution :
Ruhr-Univ. Bochum Bochum, Bochum
Abstract :
In order to obtain quantitative mechanical properties of tissue non-invasively, we propose in this work an inverse approach by which the spatial distribution of the relative shear modulus of tissue can be estimated from the measured axial and lateral deformation using angular insonifications. Measurements on PVA phantoms and the procedure to obtain the shear modulus are described.
Keywords :
biomechanics; biomedical ultrasonics; deformation; inverse problems; phantoms; shear modulus; PVA phantoms; angular insonifications; axial deformation; displacement estimators; inverse problem; lateral deformation; noninvasive imaging; quantitative mechanical properties; reconstructive elastography; relative shear modulus; spatial distribution; Biological materials; Capacitive sensors; Displacement measurement; Elasticity; Frequency estimation; Image reconstruction; Material properties; Phase estimation; Ultrasonic imaging; Ultrasonic variables measurement;
Conference_Titel :
Ultrasonics Symposium, 2007. IEEE
Conference_Location :
New York, NY
Print_ISBN :
978-1-4244-1384-3
Electronic_ISBN :
1051-0117
DOI :
10.1109/ULTSYM.2007.573
