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Towards Automatic Identification of Cerebral Arteries in 4D Flow MRI
Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Radiofysik.
Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Radiofysik. Umeå universitet, Medicinska fakulteten, Umeå centrum för funktionell hjärnavbildning (UFBI).
Umeå universitet, Medicinska fakulteten, Institutionen för farmakologi och klinisk neurovetenskap, Klinisk neurovetenskap.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Centrum för medicinsk teknik och fysik (CMTF). Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper.
Vise andre og tillknytning
2015 (engelsk)Inngår i: 16th Nordic-Baltic Conference on Biomedical Engineering / [ed] Henrik Mindedal, Mikael Persson, 2015, Vol. 48, s. 40-43Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

4D flow MRI is a powerful imaging technique which provides an angiographic image with information about blood flow in a large volume, time resolved over the cardiac cycle, in a short imaging time. This study aims to develop an automatic method for identification of cerebral arteries. The proposed method is based on an atlas of twelve arteries, developed from 4D flow MRI of 25 subjects. The atlas was constructed by normalizing all images to MNI-space, manually identifying the arteries and creating an average over the volume. The identification is done by extracting a vascular skeleton from the image, transforming it to MNI-space, labeling it with the atlas and transforming it back to subject space. The method was evaluated on a pilot cohort of 8 subjects. The rate of correctly identified arteries was 97%.

sted, utgiver, år, opplag, sider
2015. Vol. 48, s. 40-43
Serie
IFMBE Proceedings, ISSN 1680-0737 ; 48
Emneord [en]
Cerebral arteries, automatic labeling, 4D flow MRI, cerebrovascular atlas
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-100149DOI: 10.1007/978-3-319-12967-9_11ISI: 000347893000011ISBN: 978-3-319-12966-2 (tryckt)ISBN: 978-3-319-12967-9 (tryckt)OAI: oai:DiVA.org:umu-100149DiVA, id: diva2:790964
Konferanse
16th Nordic-Baltic Conference on Biomedical Engineering, October 14-16, 2014, Gothenburg, Sweden
Tilgjengelig fra: 2015-02-26 Laget: 2015-02-24 Sist oppdatert: 2018-06-07bibliografisk kontrollert

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