Semi-automatic motion compensation of contrast-enhanced ultrasound images from abdominal organs for perfusion analysis
Jazyk angličtina Země Spojené státy americké Médium print-electronic
Typ dokumentu časopisecké články, práce podpořená grantem
PubMed
25453358
DOI
10.1016/j.compbiomed.2014.09.014
PII: S0010-4825(14)00271-6
Knihovny.cz E-zdroje
- Klíčová slova
- CEUS, Contrast-enhanced ultrasound, Motion analysis, Motion compensation, Perfusion, Perfusion modeling, Registration, Ultrasonography,
- MeSH
- břicho diagnostické zobrazování MeSH
- Crohnova nemoc diagnostické zobrazování MeSH
- cystická fibróza diagnostické zobrazování MeSH
- databáze faktografické * MeSH
- interpretace obrazu počítačem metody MeSH
- kontrastní látky aplikace a dávkování MeSH
- lidé MeSH
- pohyb těles MeSH
- ultrasonografie MeSH
- Check Tag
- lidé MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Názvy látek
- kontrastní látky 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
National Centre for Ultrasound in Gastroenterology Haukeland University Hospital Bergen Norway
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