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Gaussian-Hermite矩旋转不变矩的构建

DOI: 10.13700/j.bh.1001-5965.2013.0677, PP. 1602-1608

Keywords: Gaussian-Hermite矩,Polar-Gaussian-Hermite矩,旋转不变矩,模式识别,图像处理

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Abstract:

矩及矩的方程因其较强的表述图像特征的能力在图像处理与模式识别中有着广泛的应用,但目前基于具有正交性质的Gaussian-Hermite矩的研究还比较有限.针对Gaussian-Hermite矩进行深入的研究,将其推广到极坐标下复数空间中,提出Polar-Gaussian-Hermite矩;给出利用升降算符计算矩的方程的方法;并利用极坐标下复数空间中的优势,以及它们之间的一一对应关系,推导Gaussian-Hermite矩的旋转不变矩,并给出其旋转不变矩的独立与完备集.实验结果验证所提出的旋转不变矩的正确性,以及良好的数字稳健性.

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