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

Mohammadreza Negahdar; Amir A. Amini

doi:10.1117/12.846003

9 March 2010 Tracking planar lung motion in 4D CT with optical flow: validations and comparison of global, local, and local-global methods

Mohammadreza Negahdar, Amir A. Amini

Author Affiliations +

Proceedings Volume 7626, Medical Imaging 2010: Biomedical Applications in Molecular, Structural, and Functional Imaging; 762623 (2010) https://doi.org/10.1117/12.846003
Event: SPIE Medical Imaging, 2010, San Diego, California, United States

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.

Citation Download Citation

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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