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Performance of space-time coding and optimized multiband complex wavelet based MC-CDMA system 基于空时编码和优化多带复小波的MC-CDMA系统及性能
Reverse link performance of Multicarrier CDMA based on optimized multiband complex wavelet 基于优化多带复小波的多载波CDMA及反向链路性能
multiband complex wavelet 多带复小波
An improved digital watermarking algorithm based on dual-tree complex wavelet transform was presented. 提出了一种改进的、基于二元树复小波变换的数字水印算法。
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。
A rotation invariant texture classification algorithm based on log-polar and Dual-Tree Complex Wavelet Transform(DT-CWT) is proposed. 提出了一种基于对数-极坐标变换(Log-Polar)和双树复数小波变换(DT-CWT)的旋转不变纹理分类算法。
A texture classification algorithm based on Dual-tree Complex Wavelet Transform (DT-CWT) and Support Vector Machines (SVM) is proposed. 提出了一种基于双树复数小波变换(DT-CWT)和支持向量机(SVM)的纹理分类算法。
For the multidirectional images, Dual-Tree Complex Wavelet Transform (DTCWT) was employed instead of the traditional Discrete Wavelet Transform (DWT). 对于多方向性的图像，使用双树复小波变换取代传统的离散小波变换。
A rotation invariant texture classification algorithm based on log-polar and dual-tree complex wavelet transform (DT-CWT) is proposed. 摘要提出了一种基于对数-极坐标变换和双树复数小波变换的旋转不变纹理分类算法。
As a newly developed multiresolution method,the complex wavelet transform provides approximately shift-invariant and directionally-selective filters. 作为新近发展起来的多分辨分析方法,复数小波变换提供了移动不变性和方向选择性滤波器。
Owing to the advantages of shift-invariance and excellent spatial orientations,the dual-tree complex wavelet transform is used to reduce SAR speckle noise. 然后对小波变换斑点噪声滤波方法进行分析,提出了基于二元树复小波变换的SAR图像滤波方法。
He Haibo, Cheng Shijie, Zhang Youbing.Analysis of reflection of signal transmitted in low voltage powerline with complex wavelet[J].Proceedings of the CSEE, 2002, 22(6): 11-15. [1]何海波;程时杰;张有兵.;低压电力线载波通信中信号反射现象的复小波研究[J]
A novel classification method for texture images was proposed by combining support vector machines(SVM) with dual-tree complex wavelet transform(DT-CWT). 提出了一种将支持向量机(SVM)和二元树复小波变换(DT-CWT)相结合的纹理图像分类方法。
To achieve the copyright protection of digital image,we present a novel zero-watermarking algorithm based on DT-CWT(dual-tree complex wavelet transform). 1引言数字水印作为保护多媒体信息的版权及其安全使用的一种手段,已成为多媒体信息安全领域的一个研究热点。
The complex wavelet functions constructed by means of this method have advantages of good performance in frequency localization and better veracity in extracting characteristic parts of signals. 该方法构造的复值小波具有频率局部化性能好、取故障信号特征分量较准确的优点。
Based on the excellent properties of dual-tree complex wavelet transform(DT-CWT),the image texture features are analyzed and treated by combining the genetic algorithm and the evidence theory. 基于二元树复数小波变换的优良性能;结合遗传算法及证据理论;对图像纹理特征进行分析处理.
Then the novel SDPQD detection and classification method based on complex wavelet and S-transform respectively is proposed, and the S-transform-based expert system for voltage dips (sags) classification is presented. 在此基础上，分别提出了基于复小波变换的短时电能质量扰动检测方法，基于S变换的扰动分类识别方法和电压凹陷分类分析专家系统。
In this paper, A single-frame fringe analysis method is presented, in which subdivided fringe is modeled by linear phase and the coefficients are extracted by complex wavelet transform (CWT). 摘要本文提出了利用复数小波变换对干涉图象相位进行分块线性拟合的一种新颖的单帧干涉图象分析方法。
In this paper,a new image denoising algorithm via doubly local Wiener filtering with windows based on Stationary Wavelet Transform（SWT） with the Dual Tree Complex Wavelet Transform（DTCWT） is proposed. 摘要提出了一种基于静态小波变换和对偶树复小波变换的加窗的双重局部维纳滤波图像去噪算法。
Based on the excellent properties of dual-tree complex wavelet transform (DT-CWT), the image texture features are analyzed and treated by combining the genetic algorithm and the evidence theory. 摘要基于二元树复数小波变换的优良性能，结合遗传算法及证据理论，对图像纹理特征进行分析处理。