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Semi-automatic motion compensation of contrast-enhanced ultrasound images from abdominal organs for perfusion analysis
S. Schäfer, K. Nylund, F. Sævik, T. Engjom, M. Mézl, R. Jiřík, G. Dimcevski, OH. Gilja, K. Tönnies,
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články, práce podpořená grantem
NLK
ProQuest Central
od 2003-01-01 do 2023-12-31
Medline Complete (EBSCOhost)
od 2012-09-01 do 2015-07-31
Nursing & Allied Health Database (ProQuest)
od 2003-01-01 do 2023-12-31
Health & Medicine (ProQuest)
od 2003-01-01 do 2023-12-31
- MeSH
- břicho ultrasonografie MeSH
- Crohnova nemoc ultrasonografie MeSH
- cystická fibróza ultrasonografie MeSH
- databáze faktografické * MeSH
- interpretace obrazu počítačem metody MeSH
- kontrastní látky aplikace a dávkování MeSH
- lidé MeSH
- pohyb těles MeSH
- Check Tag
- lidé MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
This paper presents a system for correcting motion influences in time-dependent 2D contrast-enhanced ultrasound (CEUS) images to assess tissue perfusion characteristics. The system consists of a semi-automatic frame selection method to find images with out-of-plane motion as well as a method for automatic motion compensation. Translational and non-rigid motion compensation is applied by introducing a temporal continuity assumption. A study consisting of 40 clinical datasets was conducted to compare the perfusion with simulated perfusion using pharmacokinetic modeling. Overall, the proposed approach decreased the mean average difference between the measured perfusion and the pharmacokinetic model estimation. It was non-inferior for three out of four patient cohorts to a manual approach and reduced the analysis time by 41% compared to manual processing.
Department of Biomedical Engineering Brno University of Technology Czech Republic
Department of Clinical Medicine University of Bergen Norway
National Centre for Ultrasound in Gastroenterology Haukeland University Hospital Bergen Norway
Section of Gastroenterology Department of Medicine Haukeland University Hospital Bergen Norway
Citace poskytuje Crossref.org
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- $a Schäfer, Sebastian $u Department of Simulation and Graphics, University of Magdeburg, Universitätsplatz 2, 39106 Magdeburg, Germany. Electronic address: sebastian.schaefer@ovgu.de.
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