Dual-Tree Complex Wavelet Transform(DT-CWT) can provide shift invariance and directional selectivity.
对偶树复小波变换具有良好的方向选择性和平移不变性。
参考来源 - 基于对偶树复小波变换的纹理特征提取及分割·2,447,543篇论文数据，部分数据来源于NoteExpress
Based on the volume holographic storage, a novel and easy method is proposed to realize rotation and shift invariance in pattern recognition system.
介绍一种在体全息相关识别中实现旋转不变性和位移不变性的一种简便方法。
It has been proved that the OCT system behaves as a linear shift invariance system and can be described precisely by a coherent transfer function (CTF).
分析了该技术测量样品纵深结构时图像的形成机理，结果表明它相当于一复振幅线性平移不变系统，从而可用相干传递函数描述系统性能。
If the space shift invariance is replaced by the time shift invariance, the high resolution frequency estimation can be obtained using a single vector sensor.
如果将空间的位移变成时间的延迟，单个矢量传感器可以实现高分辨率的频率估计。
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