3D Coronary vessel tracking in x-ray projections

Emmanuelle Poulain 1, 2 Grégoire Malandain 1 Régis Vaillant 2
1 MORPHEME - Morphologie et Images
CRISAM - Inria Sophia Antipolis - Méditerranée , IBV - Institut de Biologie Valrose : U1091, Laboratoire I3S - SIS - Signal, Images et Systèmes
Abstract : Fusing pre-operative CT angiography with per-operative an-giographic and fluoroscopic images is considered by physicians as a potentially useful tool for improved guidance. To be adopted, this tool requires the development of tracking methods adapted to the deformations of the arteries caused by the cardiac motion. Here, we propose a 3D/2D temporal tracking of one coronary vessel, based on a spline deformation, using pairings with a controlled 2D stretching or contraction along the paired curves and a preservation of the length of the 3D curve. Experiments were conducted on a database of 10 vessels from 5 distinct patients, with dedicated metrics assessing both the global registration and the local coherency of the position along the vessel. The proposed results demonstrate the efficiency of the proposed method, with an average standard deviation of 2 mm for the localization of landmarks.
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Emmanuelle Poulain, Grégoire Malandain, Régis Vaillant. 3D Coronary vessel tracking in x-ray projections. International Conference on Functional Imaging and Modeling of the Heart (FIMH), Jun 2017, Toronto, Canada. pp.204-215, ⟨10.1007/978-3-319-59448-4_20⟩. ⟨hal-01502128⟩

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