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General Multimodal Elastic Registration Based on Mutual Information

By J. B. Antoine Maintz, Erik H. W. Meijering and Max A. Viergever

Abstract

Recent studies indicate that maximizing the mutual information of the joint histogram of two images is an accurate and robust way to rigidly register two mono- or multimodal images. Using mutual information for registration directly in a local manner is often not admissible owing to the weakened statistical power of the local histogram compared to a global one. We propose to use a global joint histogram based on optimized mutual information combined with a local registration measure to enable local elastic registration. Keywords: multimodal elastic registration, matching, mutual information 1. INTRODUCTION Medical imaging has become an increasingly vital component of a large number of clinical applications during the past decades. These applications not only concern diagnostic studies, but also planning, performing, and evaluating radiotherapeutical and surgical procedures. A large number of digital imaging modalities is now being used on a routine basis in normal clinical practice. ..

Topics: multimodal elastic registration, matching, mutual information
Publisher: SPIE Press
Year: 1998
OAI identifier: oai:CiteSeerX.psu:10.1.1.19.887
Provided by: CiteSeerX
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