However, the traditional discrete wavelet transform is shift-variant which affects the de-noising result. So we need to initiate a shift-invariant algorithm.
但传统离散小波变换的时变特性影响了去噪效果,所以需要使用一种平移不变的算法加以改进。
参考来源 - 小波去噪算法及小波分解用于KL变换的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Approximation and recovery of band-limited functions from shift-invariant operators is studied.
给出了有限频带函数利用平移不变算子的逼近与恢复。
Several types of spline multiresolution analyses are constructed systematically simply based on the general decomposition theory of two-scale shift-invariant subspaces.
本文根据平移不变子空间二尺度分解理论，系统、简结地构造了各类样条多分辨分析。
The principal advantages of this approach are shift-invariant, high data compression rate, easy real-time implementation, using for invoking the shape filtering and shape measuring etc.
这种方法的主要优点是具有位移不变性、高数据压缩率、容易用硬件实时实现以及可以由物体形态谱表示精确地重构原始图像等。
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