Title
Experimental Evaluation of the Impact of Signal Decorrelation on Plane Wave versus Focused ARFI VoA Measurements
Date Issued
07 September 2020
Access level
metadata only access
Resource Type
conference paper
Author(s)
Anand K.
Gallippi C.
University of North Carolina
Publisher(s)
IEEE Computer Society
Abstract
ARFI Variance of Acceleration (VoA) has been previously used in clinical applications to delineate atherosclerotic plaque morphology and detect subcutaneous hemorrhage. In silico models also demonstrated that behavior of the parameter is influenced by error in the displacement estimates, which are accentuated by decreasing SNR or correlation. This study experimentally demonstrates that in non-elastic materials, decreasing correlation, induced by a greater magnitude ARFI push, increases VoA when the material SNR is above 40-45 dB. This signal correlation dependent change is realizable with focused and PW tracking, potentially expanding the clinical utility of high framerate VoA analysis.
Volume
2020-September
Language
English
OCDE Knowledge area
Ingeniería médica Radiología, Medicina nuclear, Imágenes médicas
Scopus EID
2-s2.0-85097890408
ISSN of the container
19485719
ISBN of the container
978-172815448-0
Conference
IEEE International Ultrasonics Symposium, IUS
Sponsor(s)
ACKNOWLEDGMENTS Research reported in this paper was supported by NHLBI, the NINDS, and the NIDDK of the National Institute of Health (NIH), under award numbers R01HL092944, R01NS074057, and R01DK107740, and the Integrative Vascular Biology Training Program (T32-HL069768). The content is solely the responsibility of the authors, and does not necessarily represent the official views of the National Institute of Health.
Sources of information: Directorio de Producción Científica Scopus