DocumentCode
378706
Title
Uncertainty relation in elastography: new approach to explain for errors of in vivo elastography
Author
Hiltawsky, K.M. ; Ermert, H.
Author_Institution
Dept. of Electr. Eng., Ruhr-Univ., Bochum, Germany
Volume
2
fYear
2001
fDate
2001
Firstpage
1597
Abstract
Since its invention in 1991 by Ophir et al. ultrasonic strain imaging (elastography) has been investigated by many researchers, including theoretical analysis, in vitro studies and clinical experiments in vivo. However, the clinical relevance of the method concerning an improvement of diagnostic sensitivity and specifity of cancerous lesions has not been shown yet. We want to present a model that explains the loss of strain image quality in case of clinical examinations due to lateral displacements, which are not present in theoretical experiments and in vitro studies, respectively
Keywords
biomedical ultrasonics; cancer; measurement errors; measurement uncertainty; cancerous lesion; clinical diagnosis; error; in vivo elastography; lateral displacement; ultrasonic strain imaging; uncertainty relation; Capacitive sensors; Correlation; Delay effects; Delay estimation; Frequency estimation; In vivo; Scattering; Signal to noise ratio; Ultrasonic imaging; Uncertainty;
fLanguage
English
Publisher
ieee
Conference_Titel
Ultrasonics Symposium, 2001 IEEE
Conference_Location
Atlanta, GA
Print_ISBN
0-7803-7177-1
Type
conf
DOI
10.1109/ULTSYM.2001.992027
Filename
992027
Link To Document