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Items for "image registration"

Intensity-based Image Registration with a Guaranteed One-to-one Point Match

OBJECTIVES: In this paper, we propose a novel registration technique, which combines the concepts of landmark and automatic, non-rigid intensity-based approaches...

Keywords: image processing, numerical analysis, image registration, elastic matching, landmark registration

01/2004 | Methods of Information in Medicine, Schattauer
Objective Evaluation of Three-dimensional Image Registration Algorithms Tools for Optimization and Evaluation

OBJECTIVE: The registration of medical volume data sets plays an important role when different images or modalities are used during computer-assisted surgical procedures...

Keywords: Quantitative evaluation, Computer-assisted image processing, image registration, reference standards, software validation

01/2004 | Methods of Information in Medicine, Schattauer
Registration of Biplane Angiography and, Intravascular Ultrasound for 3D Vessel, Reconstruction

ABSTRACT: If planned and applied correctly, intra-vascular brachytherapy (IVB) can significantly reduce the risk of restenosis after interventional treatment of stenotic arteries. OBJECTIVES: In order to facilitate computer-based IVB planning, a three-dimensional reconstruction of the stenotic artery based on intravascular ultrasound (IVUS) sequences is desirable. METHODS: To attain a 3D reconstruction, the frames of the IVUS sequence are properly aligned in space and completed with additional intermediate frames generated by interpolation...

Keywords: Cardiovascular brachytherapy, image fusion, image registration, 3D reconstruction

01/2004 | Methods of Information in Medicine, Schattauer
Anatomical accuracy of lesion localization. Retrospective interactive rigid image registration between 18F-FDG-PET and X-ray CT

The aim of this study was to evaluate the anatomical accuracy and reproducibility of retrospective interactive rigid image registration (RIR) between routinely archived X-ray computer tomography (CT) and positron emission tomography performed with 18F-deoxyglucose (FDG-PET) in oncological patients...

Keywords: PET, CT, Bildregistrierung, Bildfusion, FDG

01/2005 | Nuklearmedizin, Schattauer