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Velocity Adaptive Filtered Angiography
Linköping University, Department of Biomedical Engineering, Medical Informatics. Linköping University, The Institute of Technology.
Linköping University, Department of Biomedical Engineering, Medical Informatics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-9091-4724
1999 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

A method of imaging a blood vessel in a body using X-rays and an injectable contrast medium is described. The contrast medium is injected into the body, and signals constituted by an X-ray image sequence depicting X-ray attenuation values is recorded. The X-ray attenuated values in each spaced-time neighborhood are combined in a way that is dependent on the processed image sequence and separately established for each neighborhood, and separating, from background and vessel signals, flow signals having energy contributions mainly in an area of frequency domain bounded by surfaces corresponding to threshold velocities separately established for each neighborhood, which surfaces are shifted a specified amount along a temporal frequency axis.

Place, publisher, year, edition, pages
1999.
National Category
Medical Laboratory and Measurements Technologies
Identifiers
URN: urn:nbn:se:liu:diva-62978OAI: oai:DiVA.org:liu-62978DiVA: diva2:375403
Patent
US US 6005917 A
Note

Ansökningsnummer: US 08/939,74

Available from: 2010-12-08 Created: 2010-12-08 Last updated: 2017-04-29

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Andersson, MatsKnutsson, Hans

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