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This article describes a new method for non-rigid alignment of multimodal images. Multimodal image registration is most often accomplished by modelling, in some sense, an intensity mapping between the images. Here, the alternative strategy of modelling a relationship between local image phase is introduced. This method is intrinsically image feature based, and searches for relationships between feature appearances, rather than tissue class intensity. This enables registration of modalities for which image intensity is not a simple function of tissue class, for example ultrasound. It is also demonstrated that this method performs comparably to an intensity method even when the images are related by a simple intensity transform, but that the phase method is significantly more robust to image artifacts which corrupt the ideal intensity mapping. © 2005 Elsevier B.V. All rights reserved.

Original publication

DOI

10.1016/j.media.2005.01.002

Type

Journal article

Journal

Medical Image Analysis

Publication Date

01/01/2005

Volume

9

Pages

330 - 343