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Fuzzy-Based Extraction of Vascular Structures from Time-of-Flight MR Images

TitleFuzzy-Based Extraction of Vascular Structures from Time-of-Flight MR Images
Publication TypeJournal Article
Year of Publication2009
AuthorsForkert N.D., Säring D., Wenzel K., Illies T., Fiehler J., Handels H.
JournalStudies in health technology and informatics
Volume150
Pages816-20
Date Published2009
Publication Languageeng
ISSN0926-9630
KeywordsBlood Vessels, Fuzzy Logic, Humans, Imaging, Three-Dimensional, Magnetic Resonance Imaging, Stroke
Abstract

In this paper an automatic fuzzy based method for the extraction of the cerebrovascular system from 3D Time-of-Flight (TOF) MRA image sequences is presented. In order to exclude non-brain tissue an automatic skull stripping method is applied in a preprocessing step. Based on the TOF images vesselness and maximum parameter images are computed first. These parameter images are then combined with the TOF sequence using a fuzzy inference. The resulting fuzzy image offers an improved enhancement of small as well as malformed vessels against the remaining brain. Finally, the fuzzy-connectedness approach is used to extract the vascular system. A first evaluation showed that the fuzzy-based method proposed performs better than a state of the art method and yields results in the range of the inter-observer variation.

PubMed Link

http://www.ncbi.nlm.nih.gov/pubmed/19745426?dopt=Abstract

Alternate JournalStud Health Technol Inform
Created at August 27, 2012 - 1:40pm by Kulbe. Last modified at April 8, 2014 - 12:32pm by Kulbe.

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