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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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基于递降阶乘计算的Tchebichef矩的旋转不变量
DOI: 10.11834/jig.20100310
Keywords: 离散正交矩,Tchebichef多项式,旋转不变量
Abstract:
传统Tchebichef矩的旋转不变量是用几何矩的旋转不变量来表示的，这就不能避免几何矩冗余信息多、对噪声敏感等缺点。提出了一种新的Tchebichef矩的旋转不变量，用降阶阶乘的性质，将它转化为可以利用Tchebichef矩直接计算的Tchebichef中心矩的线性组合。实验表明，提出的描述子具有更好的旋转不变性。
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