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Gradient Intensity-Based Registration of Multi-Modal Images of the Brain

Shams, Ramtin; Kennedy, Rodney; Sadeghi, Parastoo; Hartley, Richard


We present a fast and accurate framework for registration of multi-modal volumetric images based on decoupled estimation of registration parameters utilizing spatial information in the form of 'gradient intensity'. We introduce gradient intensity as a measure of spatial strength of an image in a given direction and show that it can be used to determine the rotational misalignment independent of translation between the images. The rotation parameters are obtained by maximizing the mutual...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Conference paper
Source: Proceedings of ICCV 2007
DOI: 10.1109/ICCV.2007.4409080


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