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Fig. 13 | BMC Medical Imaging

Fig. 13

From: A statistical shape modelling framework to extract 3D shape biomarkers from medical imaging data: assessing arch morphology of repaired coarctation of the aorta

Fig. 13

Overview of the template computation using currents. All surface shape models are transferred into their currents representation (a). The user has to set the resolution parameter λW to determine which shape features are to be captured. The template is then computed as the mean shape using an alternate algorithm, minimising the distances between template and each subject (b). Thereby, the template shape is initialised as the mean of the currents and then matched with each subject shape. Crucial is the deformation function φi, which is defined by the moment vectors ß that drive the subject-specific deformation of the template. The user has to set the stiffness of those deformations, λV. User input is marked with dashed lines

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