NDLI: Hierarchical elastic registration of human brain images based on wavelet decomposition

Content Provider	IEEE Xplore Digital Library
Author	Xiuying Wang Feng, D.D.
Copyright Year	2004
Description	Author affiliation: Sch. of Inf. Technol., Sydney Univ., NSW, Australia (Xiuying Wang; Feng, D.D.)
Abstract	Wavelets have been studied and applied in the multimedia and video processing community, including some areas in medical imaging, however, wavelet-based medical image registration has not been explored properly. In this paper, we propose an hierarchical registration method based on wavelet decomposition. Firstly, based on the wavelets, the images are decomposed into subbands which compose the registration pyramid; then, in each hierarchy, the affine registration based on mutual information is performed and the results of the current registration are used as the initial guess for the next hierarchy; finally, to further improve the registration performance, the local elastic registration is carried out. The proposed algorithm has been validated by experiments on clinical tomographic images and our experimental results demonstrate the the proposed method is of efficiency and good accuracy.
Starting Page	731
Ending Page	734
File Size	840686
Page Count	4
File Format	PDF
ISBN	0780386876
DOI	10.1109/ISIMP.2004.1434168
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Brain Image registration Ultrasonic imaging Magnetic resonance imaging Computed tomography Humans Medical services Positron emission tomography X-ray imaging Biomedical imaging
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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