Benchmarking nonrigid techniques for hepato-pulmonary motion mapping

Navneeth Subramanian; Rekha V. Tranquebar; Srinivasan Rajagopalan

doi:10.1117/12.710353

29 March 2007 Benchmarking nonrigid techniques for hepato-pulmonary motion mapping

Navneeth Subramanian, Rekha V. Tranquebar, Srinivasan Rajagopalan

Proceedings Volume 6511, Medical Imaging 2007: Physiology, Function, and Structure from Medical Images; 65110K (2007) https://doi.org/10.1117/12.710353
Event: Medical Imaging, 2007, San Diego, CA, United States

Abstract

Physiological activities like respiration and interventional procedures non-linearly alter the structural and functional configuration of Hepato-Pulmonary system. Structurally, respiration-induced motion poses a significant obstacle in the precise target localization for minimally invasive hepato-pulmonary procedures. Current motion compensating approaches with image guided advance-and-check intraOperative systems are inadequate. Spatiotemporal augmentation of intraOperative images with motion maps derived from preOperative scans will provide a reliable roadmap for successful intervention. However, judicious choice of deformable techniques is required to accurately capture the organ specific motion. In this paper, we evaluate a number of oft-cited deformable registration techniques in terms of deformation quality, algorithmic convergence and per-iteration cost. Recommendations are proposed based on the convergence measures and smoothness of the motion maps.

Citation Download Citation

Navneeth Subramanian, Rekha V. Tranquebar, and Srinivasan Rajagopalan "Benchmarking nonrigid techniques for hepato-pulmonary motion mapping", Proc. SPIE 6511, Medical Imaging 2007: Physiology, Function, and Structure from Medical Images, 65110K (29 March 2007); https://doi.org/10.1117/12.710353

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