Fractal analysis of ultrasound images of carotid atherosclerotic plaque

Asvestas, P; Golemati, S; Matsopoulos, GK; Nikita, KS

dc.contributor.author	Asvestas, P	en
dc.contributor.author	Golemati, S	en
dc.contributor.author	Matsopoulos, GK	en
dc.contributor.author	Nikita, KS	en
dc.date.accessioned	2014-03-01T02:41:53Z
dc.date.available	2014-03-01T02:41:53Z
dc.date.issued	2001	en
dc.identifier.issn	04549244	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/30650
dc.subject	Atherosclerotic plaque	en
dc.subject	B-mode ultrasound	en
dc.subject	Carotid	en
dc.subject	Fractal dimension	en
dc.subject	Kth nearest neighbour method	en
dc.title	Fractal analysis of ultrasound images of carotid atherosclerotic plaque	en
heal.type	conferenceItem	en
heal.identifier.primary	10.1109/IEMBS.2001.1017364	en
heal.identifier.secondary	http://dx.doi.org/10.1109/IEMBS.2001.1017364	en
heal.publicationDate	2001	en
heal.abstract	In this paper, we investigate the possibility of using the fractal dimension to characterise carotid atheromatous plaques from B-mode ultrasound images. The images were obtained from ten symptomatic and nine asymptomatic subjects. Symptomatic subjects included patients with previous history of cerebral events, whereas asymptomatic ones had no evidence of any cerebral symptoms prior to the time of the investigation. For each subject, a sequence of images was collected corresponding to 2-3 cardiac cycles. The boundary of the atheromatous plaque was defined by an expert in three different images of each sequence, corresponding to systole, diastole and a random phase of the cardiac cycle. The fractal dimension of each plaque was estimated using a new method, namely the k-th nearest neighbour method. The results showed that the values of the fractal dimension in the symptomatic group were significantly higher than those in the asymptomatic group. These results suggested that the fractal dimension, estimated from B-mode ultrasound images, could be used to discriminate between symptomatic and asymptomatic carotid atheromatous plaques.	en
heal.journalName	Annual Reports of the Research Reactor Institute, Kyoto University	en
dc.identifier.doi	10.1109/IEMBS.2001.1017364	en
dc.identifier.volume	3	en
dc.identifier.spage	2789	en
dc.identifier.epage	2792	en