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

TitelFuzzy-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
Date Published2009
Publication Languageeng
SchlüsselwörterBlood Vessels, Fuzzy Logic, Humans, Imaging, Three-Dimensional, Magnetic Resonance Imaging, Stroke

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.

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Erstellt am 27. August 2012 - 13:40 von Kulbe. Zuletzt geändert am 8. April 2014 - 12:32 von Kulbe.


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