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Proceedings Paper

Tracking planar lung motion in 4D CT with optical flow: validations and comparison of global, local, and local-global methods
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Paper Abstract

For a common set of 4D CT lung images, we report results from the application of a number of optical flow techniques including global, local, and combined local-global methods for tracking planar lung motion. Our comparisons are primarily empirical, and concentrate on the accuracy, that is magnitude and direction of error at a discrete set of landmark points with known motions, and reliability, that is, objective lung boundary deformation tracking. Our results indicate that performance varies significantly among the techniques tested.

Paper Details

Date Published: 9 March 2010
PDF: 10 pages
Proc. SPIE 7626, Medical Imaging 2010: Biomedical Applications in Molecular, Structural, and Functional Imaging, 762623 (9 March 2010); doi: 10.1117/12.846003
Show Author Affiliations
Mohammadreza Negahdar, Univ. of Louisville (United States)
Amir A. Amini, Univ. of Louisville (United States)


Published in SPIE Proceedings Vol. 7626:
Medical Imaging 2010: Biomedical Applications in Molecular, Structural, and Functional Imaging
Robert C. Molthen; John B. Weaver, Editor(s)

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