Image Registration with Local Rigidity Constraints


Registration is a technique nowadays commonly used in medical imaging. A drawback of most of the current registration schemes is that all tissue is being considered as non-rigid. Therefore, rigid objects in an image, such as bony structures or surgical instruments, may be transformed non-rigidly. In this paper, we integrate the concept of local rigidity to the FLexible Image Registration Toolbox (FLIRT). The idea is to add a penalty for local non-rigidity to the cost function and thus to penalize non-rigid transformations of rigid objects. As our examples show, the new approach allows the maintenance of local rigidity in the desired fashion. For example, the new scheme is able to keep bony structures rigid during registration.
Original languageEnglish
Title of host publicationBildverarbeitung für die Medizin 2007
EditorsAlexander Horsch, Thomas M. Deserno, Heinz Handels, Hans-Peter Meinzer, Thomas Tolxdorff
Number of pages5
Place of PublicationBerlin, Heidelberg
PublisherSpringer Berlin Heidelberg
Publication date01.03.2007
ISBN (Print)978-3-540-71090-5
ISBN (Electronic)978-3-540-71091-2
Publication statusPublished - 01.03.2007
EventWorkshop on Bildverarbeitung fur die Medizin 2007 - Munich, Germany
Duration: 25.03.200727.03.2007
Conference number: 97564


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