NDLI: Automatic Correction of the 3D Orientation of the Brain Imagery

Content Provider	IEEE Xplore Digital Library
Author	Xin Liu Imielinska, C. Connolly, S. Ambrosio, A.D.
Copyright Year	2006
Description	Author affiliation: Department of Biomedical Informatics, Columbia University, New York, NY. (Xin Liu; Imielinska, C.) \|\| Dept of Neurological Surgery, Columbia University, New York, NY. (Connolly, S.; Ambrosio, A.D.)
Abstract	Classification of human brain pathologies can be guided by the estimation of the departure of 3D internal structures from the normal bilateral symmetry. However symmetry based analysis can't be precisely carried out when the 3D brain orientation is misaligned, a common occurrence in clinical practice. In this paper, a technique to automatically identify the symmetry plane and correct the 3D orientation of volumetric brain images in a cost effective way is developed. The algorithm seeks the best sampling strategies to realign 3D volumetric representation of the brain within scanner coordinate system. The inertia matrix is computed on the sampled brain, and the principle axes are derived from the eigenvectors of the inertia matrix. The technique is demonstrated on MR and CT brain images and the detected symmetry plane that is orthogonal to the principle vectors is provided. A spatial affine transform is applied to rotate the 3D brain images and align them within the coordinate system of the scanner. The corrected brain volume is re-sliced such that each planar image represents the brain at the same axial level.
Starting Page	960
Ending Page	964
File Size	4543236
Page Count	5
File Format	PDF
ISBN	0780397533
DOI	10.1109/ISSPIT.2006.270936
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-27
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Brain Pathology Humans Transmission line matrix methods Biomedical signal processing Information technology Biomedical informatics Surgery Costs Signal processing algorithms inertia matrix Brain symmetry Principle Component Analysis 3D symmetry
Content Type	Text
Resource Type	Article

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