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Optimizing Arrangement of Markers on a Flaccid Membrane Surface Based on Evolution Strategy

机译:基于进化策略的弛豫膜表面标记物排列优化

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The publication concerns the reconstruction of the flaccid membrane surface shape based on information in an image obtained from a camera. The article includes results of the research, which aimed at optimizing the position of markers located on the surface of the flaccid membrane. The experiment used a membrane used in a model of an extracorporeal pneumatic heart assist pump. It was expected that the optimization of the position of the markers would increase the accuracy of modeling the shape of the membrane surface. The basis for modeling is the knowledge of the position of markers located in the R3 space. The coordinates of the markers were determined using a visual technique with the help of a camera. Coordinates determined in such a way were subjected to interpolation in three-dimensional space, and then were oversampled. The result is a grid representing the shape of the surface of the flaccid membrane. Evolutionary strategy was used to optimize the position of the markers. For this optimization, a unique design, selection method, a stopping condition method and an assessment function were proposed. The study was carried out for a convex membrane with a known mathematical description. Due to this, it was possible to determine the mapping error of the obtained membrane surface shape in relation to the shape of the reference surface (model), determined from a formula.
机译:该出版物涉及基于从照相机获得的图像中的信息来重建松弛的膜表面形状。这篇文章包括了研究结果,旨在优化位于松弛膜表面的标记物的位置。该实验使用的膜是用于体外气动心脏辅助泵的模型。预期标记物位置的优化将增加对膜表面形状建模的准确性。建模的基础是了解R3空间中标记的位置。标记的坐标是在照相机的帮助下使用视觉技术确定的。以这种方式确定的坐标在三维空间中进行插值,然后进行过采样。结果是代表松弛膜表面形状的网格。进化策略被用来优化标记的位置。为此,提出了一种独特的设计,选择方法,停车条件方法和评估函数。对具有已知数学描述的凸膜进行了研究。因此,可以确定由公式确定的所获得的膜表面形状相对于参考表面(模型)的形状的映射误差。

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