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Spring Level Sets: A Deformable Model Representation to Provide Interoperability between Meshes and Level Sets

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3 Author(s)
Lucas, B.C. ; Dept. of Comput. Sci., Johns Hopkins Univ., Baltimore, MD, USA ; Kazhdan, M. ; Taylor, R.H.

A new type of deformable model is presented that merges meshes and level sets into one representation to provide interoperability between methods designed for either. This includes the ability to circumvent the CFL time step restriction for methods that require large step sizes. The key idea is to couple a constellation of disconnected triangular surface elements (springls) with a level set that tracks the moving constellation. The target application for Spring Level Sets (SpringLS) is to implement comprehensive imaging pipelines that require a mixture of deformable model representations to achieve the best performance. We demonstrate how to implement key components of a comprehensive imaging pipeline with SpringLS, including image segmentation, registration, tracking, and atlasing.

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Visualization and Computer Graphics, IEEE Transactions on  (Volume:19 ,  Issue: 5 )