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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普遍。在本文中,我们考虑了可变形的纺织品图像中的特征提取问题,该图像需要恢复原始形状。我们将此问题表述为最优控制和最优参数选择的组合问题,其中动力学系统由一组二维控制函数控制。在对控制功能进行参数化后,该问题将转换为非线性优化问题,在其中可以应用基于梯度的优化方法。举例说明了几个数值例子来说明该方法。

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