Beyond Mutual Information: A Simple and Robust Alternative

Eldad Haber, Jan Modersitzki

Abstract

One of the remaining challenges in image registration arises for multi-modal images taken from different imaging devices and/or modalities. Starting in 1995, mutual information has shown to be a very successful distance measure for multi-modal image registration. However, as it is well-known, mutual information also has a number of drawbacks. Here, we present an alternative image similarity measure which is also capable to handle multi-modal images but better suited for optimization. As we show, the alternative normalized gradient based approach is deterministic, much simpler, easier to interpret, fast and straightforward to implement, faster to compute, and also much more suitable to optimization.
Original languageEnglish
Title of host publicationBildverarbeitung für die Medizin 2005
EditorsHans-Peter Meinzer, Heinz Handels, Alexander Horsch, Thomas Tolxdorff
Number of pages5
Place of PublicationBerlin, Heidelberg
PublisherSpringer Berlin Heidelberg
Publication date01.03.2005
Pages350-354
ISBN (Print)978-3-540-25052-4
ISBN (Electronic)978-3-540-26431-6
DOIs
Publication statusPublished - 01.03.2005
EventWorkshops Bildverarbeitung fur die Medizin 2005 - Heidelberg, Germany
Duration: 13.03.200515.03.2005
Conference number: 97569

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