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

机译:弹簧级集:可变形的模型表示形式,可在网格和级集之间提供互操作性

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摘要

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.
机译:提出了一种新型的可变形模型,该模型将网格和级别集合并为一个表示形式,以提供为这两种方法设计的方法之间的互操作性。对于要求大步长的方法,这包括规避CFL时间步长限制的能力。关键思想是将一组不连续的三角形表面元素(弹簧)与一个跟踪运动的星座的水准仪耦合。 Spring Level Sets(SpringLS)的目标应用是实施全面的成像管道,这些管道需要混合使用可变形模型表示以实现最佳性能。我们演示了如何使用SpringLS来实现综合成像管道的关键组件,包括图像分割,配准,跟踪和地图集。

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