Abstract
We present a biomechanical model based simulation method for examining the patient lung deformation induced by respiratory motion, given only one CT scan input. We model the lung stress-strain behavior using a sophisticated hyperelastic model, and solve the lung deformation problem through finite element (FE) analysis. We introduce robust algorithms to segment out the diaphragm control points and spine regions to carefully define the boundary conditions and loads. Experimental results through comparing with the manually labeled landmark points in real patient 4DCT data demonstrate that our lung deformation simulator is accurate.
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Li, F., Porikli, F. (2014). Biomechanical Simulation of Lung Deformation from One CT Scan. In: Tavares, J., Luo, X., Li, S. (eds) Bio-Imaging and Visualization for Patient-Customized Simulations. Lecture Notes in Computational Vision and Biomechanics, vol 13. Springer, Cham. https://doi.org/10.1007/978-3-319-03590-1_2
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DOI: https://doi.org/10.1007/978-3-319-03590-1_2
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