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Feature extraction of the deformed patterned textile

机译:变形图案纺织品的特征提取

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摘要

Deformation is very common in textile materials. In this paper, we consider the feature extraction problem in a deformable textile image, where the original shape is required to be recovered. We formulated this problem as a combined optimal control and optimal parameter selection problem, where the dynamical system is governed by of a set of two-dimensional control functions. After parameterization of the control functions, the problem is transformed into a nonlinear optimization problem, where gradient based optimization methods can be applied. Several numerical examples are illustrated to demonstrate the method.
机译:变形在纺织材料中非常常见。在本文中,我们考虑可变形纺织图像中的特征提取问题,其中原始形状需要恢复。我们将该问题作为一个组合的最佳控制和最佳参数选择问题,其中动态系统由一组二维控制功能控制。在控制功能的参数化之后,问题被转换为非线性优化问题,其中可以应用基于梯度的优化方法。示出了几个数值例子以证明该方法。

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