Ultrasonic shear wave elastography for compliance-weighted-imaging
Rengaraju V, Kargel C, Sack I (2012)
Publication Type: Conference contribution
Publication year: 2012
Pages Range: 1491-1495
Conference Proceedings Title: 2012 IEEE I2MTC - International Instrumentation and Measurement Technology Conference, Proceedings
Event location: AUT
ISBN: 9781457717710
DOI: 10.1109/I2MTC.2012.6229566
Abstract
Ultrasonic shear wave elastography is a dynamic method that allows in-vivo measurement of the shear elasticity of human tissue. Recovering elasticity maps from time-harmonic wave data remains a major challenge since the calculation of spatially resolved elasticity parameters encounters ill-posed inverse problems due to noise and unknown boundary conditions. Therefore, compliance-weighted- imaging (CWI) is introduced to ultrasonic shear wave elastography for the measurement of elasticity ratios and the visualization of elastic heterogeneities by the amplitude alteration of harmonic shear strain due to wave scattering. In this paper, the results of experiments performed on tissue-mimicking phantoms comprising a planar interface between the hard and soft compartments, and a soft cylindrical inclusion embedded in stiffer background are shown and compared to theoretical models. The proposed ultrasound based CWI method is potentially interesting for the detection of pathological lesions such as medical applications. © 2012 IEEE.
Involved external institutions
Germany (DE)How to cite
APA:
Rengaraju, V., Kargel, C., & Sack, I. (2012). Ultrasonic shear wave elastography for compliance-weighted-imaging. In 2012 IEEE I2MTC - International Instrumentation and Measurement Technology Conference, Proceedings (pp. 1491-1495). AUT.
MLA:
Rengaraju, V., Ch Kargel, and Ingolf Sack. "Ultrasonic shear wave elastography for compliance-weighted-imaging." Proceedings of the 2012 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2012, AUT 2012. 1491-1495.
BibTeX: Download