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Effiziente nichtlineare Registrierung mittels diskreter Optimierung

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In diesem Beitrag wird eine neuartige Methode für die nichtlineare Bildregistrierung vorgestellt. Dabei wird das klassische Energieminimierungsproblem Intensitäts-basierter Methoden in eine Markov Random Field Formulierung eingebettet. Dieses ermöglicht die Nutzung von effizienten diskreten Optimierungsmethoden, die unabhängig von der tatsächlich verwendeten Kostenfunktion eine quasi-optimale Lösung berechnen. Free Form Deformations werden als Transformationsmodell in Betracht gezogen und die Registrierung wird so auf ein diskretes Labeling-Problem reduziert. Jedem Kontrollpunkt wird eine Verschiebung zugeordnet und so die optimale Konfiguration des Modells errechnet. Das viel versprechende Potential des Frameworks wird klinischen Daten evaluiert.

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© 2008 Springer-Verlag Berlin Heidelberg

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Glocker, B., Komodakis, N., Paragios, N., Tziritas, G., Navab, N. (2008). Effiziente nichtlineare Registrierung mittels diskreter Optimierung. In: Tolxdorff, T., Braun, J., Deserno, T.M., Horsch, A., Handels, H., Meinzer, HP. (eds) Bildverarbeitung für die Medizin 2008. Informatik aktuell. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-78640-5_18

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