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9 March 2010 Tracking planar lung motion in 4D CT with optical flow: validations and comparison of global, local, and local-global methods
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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.
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Mohammadreza Negahdar and Amir A. Amini "Tracking planar lung motion in 4D CT with optical flow: validations and comparison of global, local, and local-global methods", Proc. SPIE 7626, Medical Imaging 2010: Biomedical Applications in Molecular, Structural, and Functional Imaging, 762623 (9 March 2010); https://doi.org/10.1117/12.846003
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