Orthogonal wavelet transform (OWT) matrix is constructed and the residual correlation property of OWT is analyzed under the stationary and nonstationary models.
构造了正交小波变换矩阵,分析了平稳模型和非平稳模型下正交小波变换的残余相关特性。
We do orthogonal wavelet transform of a face image, get its four sub images of different frequency bands, then respectively extract their singular value features.
对人脸图象作正交小波变换,得到它在不同频带上的四个子图象,然后分别提取奇异值特征。
The experiment results show the de-noising effect of proposed method is better than those of the orthogonal wavelet transform and the common biorthogonal wavelet transform.
实验证明该方法的去噪效果明显优于正交小波方法和普通双正交小波变换的去噪效果。
A method of adaptive speech denoising based on orthogonal wavelet transform is proposed in this paper. This method can increase the convergence rate of the adaptive processing.
本文提出了一种基于正交小波变换的自适应语音消噪改进方法,这种方法可以提高自适应语音消噪过程的收敛速率。
An improved method based on orthogonal wavelet transform for adaptive speech denoising is proposed, which can increase the convergence rate of the adaptive speech denoising process.
提出一种基于正交小波变换的自适应语音消噪改进方法,这种方法可以提高自适应语音消噪过程的收敛速率。
In performance and visual quality, the algorithm is better than the wavelet denoising based on discrete orthogonal wavelet transform and the conditional median value filtering method.
算法在性能指标和视觉质量上均优于基于离散正交小波变换的阈值去噪方法和传统的中值滤波法。
Wavelet packet transform is used as an efficient tool for precisely analyzing signal property, and provides orthogonal wavelet packet bases with better time frequency localization function.
小波包变换能作为一种有效工具对信号特性进行精细分析,同时提供具有良好时频局部性的正交小波包基。
Based on the constructive theory of orthogonal binary wavelet transform, a parameter expression equation of binary wavelet and adaptive goal function put forward.
基于二进正交小波构造原理,构造了正交小波基参数表达方程及降噪效果的自适应目标函数,应用遗传优化方法求出最佳小波基。
Based on the constructive theory of orthogonal binary wavelet transform, a parameter expression equation of binary wavelet and adaptive goal function put forward.
基于二进正交小波构造原理,构造了正交小波基参数表达方程及降噪效果的自适应目标函数,应用遗传优化方法求出最佳小波基。
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