Dual-tree Complex Wavelet Transform (DT-CWT) has been introduced into the filed of biometrics recognition to solve the problems of the real DWT due to its good properties of shift-variance and improved directionality.
双树复数小波变换具有平移不变性以及改进的多方向选择性,它对离散实数小波变换所存在的问题进行了改进。
参考来源 - 小波变换在生物特征识别技术中的应用研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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