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Abstract--Slice to volume registration is very useful in many medical imaging applications, for example, fusing static high
 

Summary: Abstract-- Slice to volume registration is very useful in many
medical imaging applications, for example, fusing static high
resolution three dimensional (3D) image volumes to dynamic
two dimensional (2D) slice data for deriving motion
information in 3D. Though information theoretic registration
methods such as Mutual Information are usually robust, they
are time intensive and typically require a high level of field-of -
view correspondence between the source and target images. In
single slice to volume registration scenarios, where such
correspondence is limited, registration accuracy and robustness
often deteriorate. In this paper, we present a novel registration
method that maintains robustness and accuracy while
significantly increasing registration speed. Our approach
employs multiple slice (as opposed to single slice) to volume
registration, which increases the amount of potential matching
information while maintaining a small number of slices and
hence facilitates the often necessary high speed dynamic image
acquisition. Our proposed registration approach first extracts
phase congruency information from the slices/volume using
oriented 2D Gabor wavelets. Using local non maximum

  

Source: Abugharbieh, Rafeef - Department of Electrical and Computer Engineering, University of British Columbia

 

Collections: Biology and Medicine; Computer Technologies and Information Sciences