NDLI: Effects of Mid-Sagittal Plane Perturbation and Image Interpolation on Corpus Callosum Area Calculation

Content Provider	IEEE Xplore Digital Library
Author	Ishaq, O. Hamarneh, G. Tam, R. Traboulsee, A.
Copyright Year	2006
Description	Author affiliation: Med. Image Anal. Lab, Simon Fraser Univ., Burnaby, BC (Ishaq, O.; Hamarneh, G.)
Abstract	The corpus callosum (CC) is an anatomical structure that bridges the two brain hemispheres. It contains white matter tracts that participate in inter hemispheric communication. In multiple sclerosis (MS), the CC can have discrete lesions (MS plaques) or generalized tissue loss (atrophy), both of which affect the CC size. However, detection of changes in CC size depends on accurate identification of the mid-sagittal plane (MSP) in three dimensional space. We determine the error introduced in CC area when the plane of measurement is altered. Our contribution is the study of the effects of plane alteration and image interpolation. The interpolation techniques investigated are tricubic, trilinear and nearest neighbor. For measuring this error, we semi-automatically segment the CC in an MR volume. The voxels of the segmented volume are coded as binary values based on their position either inside or outside the CC. We then generate an MSP though reslicing and resampling of the volumetric data for varying values of MSP orientation and translation parameters. Finally we calculate the area of the CC whose cross section is embedded in the MSP
Starting Page	197
Ending Page	202
File Size	628485
Page Count	6
File Format	PDF
ISBN	0780397533
DOI	10.1109/ISSPIT.2006.270796
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	Interpolation Multiple sclerosis Image segmentation Anatomical structure Bridges Lesions Atrophy Area measurement Nearest neighbor searches Volume measurement area calculation Medical image analysis interpolation corpus callosum multiple sclerosis mid sagittal plane
Content Type	Text
Resource Type	Article

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