Efficient least squares fusion of MRI and CT images using a phase congruency model

Authors:
Alexander Wong;William Bishop
Affiliations:
Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1 Canada;Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1 Canada
Venue:
Pattern Recognition Letters
Year:
2008

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Abstract

This paper presents an efficient and robust approach for MRI-CT image fusion using a phase congruency model. The fast fourier transform (FFT) is used to efficiently evaluate the similarity cost function. This approach is largely invariant to pixel intensity mappings.