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design-flow-speeding-up-dsp
- Wavelets have widely been used in many signal and image processing applications. In this paper, a new serial-parallel architecture for wavelet-based image compression is introduced. It is based on a 4-tap wavelet transform, which is realised usin
Dual_tree_complex_wavelet_transform
- 这是一篇介绍二分树复数小波的文章,里面很详细的介绍了Dual tree complex wavelet transform。希望大家有帮助-two hours on the tree Complex Wavelet article there is a detailed introduction to the Dual tree complex wavelet transform . We hope help
FACE_DETECTION_USING_DT-CWT_ON_SPECTRAL_HISTOGRAM.
- 这是一篇应用二分树复数小波检测人脸的一篇文章,希望与对二分树复数小波感兴趣的人一同切磋-This is the application of two hours a tree Complex Wavelet Face Detection of an article, with the hope that the two sub-tree Complex Wavelet interested in the interaction together
Pattern_recognition_with_SVM_and_dual-tree_complex
- 这是一篇应用二分树复数小波与SVM进行模式识别的一篇文章,希望与对二分树复数小波感兴趣的人一同切磋-This is the application of two hours a tree Complex Wavelet and SVM pattern recognition for an article, with the hope that the two sub-tree Complex Wavelet interested in the interaction together
a_method_of_watermark_by_Dual_tree_complex_wavelet
- 这是一篇应用二分树复数小波进行数字水印的一篇文章,希望与对二分树复数小波感兴趣的人一同切磋-This is the application of two hours a tree Complex Wavelet digital watermark an article, with the hope that the two sub-tree Complex Wavelet interested in the interaction together
Palmprint_Classification_using_Dual-Tree_Complex_W
- 这是一篇应用二分树复数小波进行掌纹分类的文章,希望与共同致力于复数小波的同仁分享-This is an application of two-tree complex wavelet palmprint classification of the article, hope and work together Complex Wavelet colleagues share
01278331
- Wavelet Tree Quantization for Copyright Protection Watermarking
fusetool
- Image Fusion is the process of combining information of two or more images into a single image which can retain all important features of the all original images. Input to fusion is a set of images taken from different modalities of the same scene. O
JPEG-2000-
- 本文所做的主要工作为:研究了JPEG2000标准的原理和基本框架,对JPEG 2000标准的核心—小波变换压缩技术进行了分析研究,概要的介绍了小波理论。对EZW算法进行了详细分析和描述,包括零树的含义、结构及其扫描方法。并应用Matlab图像处理工具箱和小波分析工具箱对图像小波变换处理,并通过接口工具Mex实现在Matlab环境下对C程序EZW编码的调用,实现了应用零树小波编码算法对图像的压缩处理,简单地实现了对JPEG 2000的仿真。-The main work that this text
Dual_tree_complex_wavelet_transform
- dual tree complex wavelet transform
verilogcodes
- image compression using zero tree wavelet transform
CZ
- 基于零树和位平面的小波图像压缩算法的一篇很有用的文章-Zero-based tree and bit plane of wavelet image compression algorithm a very useful article
DTCWT-THEORY
- this code is very much helpful to learn and implement dual tree complex wavelet based transformation
CoSaMP-and-wavelet-tree-model
- 计算机应用研究 基于小波树模型的CoSaMP压缩感知算法 苏维均-Application Research of Computers CoSaMP algorithm of compressed sensing based on wavelet tree model SU Wei-jun
Study-on-compound-fault-diagnosis
- 针对滚动轴承复合故障信号特征难以分离的问题, 提出将双树复小波变换和独立分量分析( ICA) 结合的故障诊断方 法 该方法首先将非平稳的故障信号通过双树复小波变换分解为若干不同频带的分量 由于各个分量存在一定的频率混叠, 对 故障信号特征提取有很大的干扰, 进而引入 ICA 对各个分量所组成的混合信号进行盲源分离, 从而尽可能消除频率混叠 最后 对从混合信号中分离出来的独立分量信号进行希尔伯特包络解调, 即可实现对复合故障特征信息的分离和故障识别-Aiming at the diff
dual-tree
- 首先将非平稳的故障振动信号进行双树复小波包分解,得 到不同频带的分量;然后对每个分量求其峭度值和相关系数并进行比较;最后选取峭度值和相关系数较大的分量 进行软阈值降噪和双树复小波包重构,即可有效地消除振动信号中噪声的干扰,同时保留信号中的有效信息即实 现了故障特征信息的提取。-In view of the above situation, a new fault diagnosis method is proposed based on dual-tree complex wa
energy-leakage--dual-tree
- 首先根据高斯白噪声频率充满整个频带的特性,通过双树复小波包变换对高斯白噪声进行分解,利用频带能量泄漏的定量分析方法,验证了双树复小波包变换具有较低的频带能量泄漏特性;其次利用双树复小波包变换逐层分解信号,对每层分解所得分量求其FFT谱的峭度,得到基于双树复小波包变换的谱峭度图,根据图中峭度最大的原则,可以自动准确的选择信号分解最佳层数和最佳分量;最后将基于双树复小波包变换的谱峭度图的故障诊断方法应用于实际工程中,对齿轮故障振动信号进行分析,选择最佳分解层数和分量后利用希尔伯特包络解调,有效准确地
xiaobobaoyuzhijiangzao
- :提出一种基于对偶树复小波块阈值的信号降噪方法,并将其成功应用于机械故障诊断中。机械设备的振动信号都或多或少地含有噪声,导致弱故障信息的提取一直是故障诊断的难点和热点。提出的降噪方法充分利用对偶树复小波变换的平移不变性和块阈值法的更优估计特性,可以获得比常规的小波降噪方法以及基于常规离散正交小波变换的 NeighBlock 降噪法更高的信噪比, 不仅能有效抑制高斯白噪声, 还能够去除冲击信号中的脉冲噪声。-:A denoising method of block thresholding bas
xiaobohanshu
- 介绍了各种小波函数,包括提取一维小波变换低频系数,计算完整最佳小波包树,求小波中心频率等函数的函数名-Describes the various wavelet functions, including a one-dimensional wavelet transform to extract the low-frequency coefficients to calculate the optimal wavelet packet complete tree, seeking the cen
2723
- 快速扩展随机生成树算法,matlab小波分析程序,是一种双隐层反向传播神经网络。- Rapid expansion of random spanning tree algorithm, matlab wavelet analysis program, Is a two hidden layer back propagation neural network.