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16 March 2020 Modified Doo-Sabin modeling of the right ventricle
Håkon Strand Bølviken, Jørn Bersvendsen, Fredrik Orderud, Sten Roar Snare, Pål Brekke, Eigil Samset
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Proceedings Volume 11319, Medical Imaging 2020: Ultrasonic Imaging and Tomography; 1131909 (2020) https://doi.org/10.1117/12.2548973
Event: SPIE Medical Imaging, 2020, Houston, Texas, United States
Abstract
Accurate modelling of the right ventricle of the human heart is important for both diagnosis and treatment planning. The right ventricle (RV) has a compound convex-concave shape with several sharp edges. While the RV has previously been modeled using the Doo-Sabin method, these models require several extra control nodes to accurately reproduce the relatively sharp edges. The current paper proposes a modified Doo-Sabin method which introduces weighting of vertices and edges rather than extra nodes to control sharpness. This work compares standard vs sharp Doo-Sabin models on modeling the RV from 16 3D ultrasound scans, compared to a ground truth mesh model manually drawn by a cardiologist. The modified, sharp Doo-Sabin method came closer to the ground truth RV model in 11 out of 16 cases and on average showed an 11.54 % improvement.
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Håkon Strand Bølviken, Jørn Bersvendsen, Fredrik Orderud, Sten Roar Snare, Pål Brekke, and Eigil Samset "Modified Doo-Sabin modeling of the right ventricle", Proc. SPIE 11319, Medical Imaging 2020: Ultrasonic Imaging and Tomography, 1131909 (16 March 2020); https://doi.org/10.1117/12.2548973
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KEYWORDS
3D modeling
Heart
Modeling
Interfaces
Medical imaging
Ultrasonography
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