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OneDimensionalDiscreteWaveletTransforms
- 本实验要求开发一个基本的哈尔小波变换程序包,用于后续的实验。实验中使用哈尔基函数特有的“平均”与“差分”方法。首先要编写一个计算哈尔小波的j-尺度离散小波变换程序。并且要编写一个计算哈尔小波的j-尺度的逆离散小波程序,并用课本上的例7.8来验证所编写的程序-The experiment calls for the development of a basic package Haar wavelet transform for the follow-up experiment. Harki fu
Ban-denoising
- 本代码是基于Bandelet的硬阈值SAR图像去噪,结果与小波变换进行对比,结果表示其在峰值信噪比,边缘保持系数上均有一定的提高。压缩包中有程序和SAR图像。-This code is based on Bandelet SAR image denoising with a hard threshold .the results were compared with the wavelet transform, and the results indicated that in the peak
mulscal_edge
- 通过多尺度小波变换获取图像边缘的软件包,可以用来分割图像-Through a multi-scale wavelet transform to obtain the image edge of the package
liftpack
- 提升小波变换包,可进行一维和二维信号的处理-lift wavelet transformer which may operate on one or two dimension signal.
tftb2002toolbox
- 主要是关于小波变换方面的工具包,可以利用这些函数进行时频分析。-Mainly on the wavelet transform aspects of a toolkit, we can use these functions for time-frequency analysis.
byjc
- 用小波变换提取包络,实现边缘检测的功能-Envelope extraction using wavelet transform, edge detection. .
MATLABimagecompression
- 共7个matlab程序及两幅原始待处理图像,功能是图像压缩的实验,分别运用了DCT(1个程序),小波变换(5个程序)和小波包变换(1个)对图像进行压缩,各个程序的作用及程序注释已在程序中做了详细说明,程序均可直接运行-matlab program for image compression ,using DCT wave,wavelet,wavelet packet methods respectively .
xiaobobianhuan
- 一个基于小波包变换的边缘检测程序,用于图像处理.-A wavelet packet transform based edge detection procedure.
wavelet
- 直扩系统中,非抽取小波包变换抑制窄带干扰。-narrowband interference suppression with the wavelet packet transform.
DSSS
- 提出一种全新的基于自适应能量判决门限的小波包变换抑制直接扩通信系统中窄带干扰的方法.-combine WPT and AET to wipe off jam,enact the threshold of every frequency area based on the power of DS signal
gabor-pca
- 本程序是先用gabor小波变换对人脸图像处理,然后在用pca进行降维,最后用svm分类器进行多分类分类识别,包扩完整的orl人脸库,需注意的是,svm工具箱是用的libsvm工具箱,运行前先配置好libsvm。版本号:libsvm-mat-2[1].89-3[FarutoUltimate3.0]-This procedure is to use the human face gabor wavelet transform image processing, and then to reduce
xiaobobianhuan-shuyin
- 基于小波包分解的自适应数字水印嵌入算法.pdf 小波包变换及其在数字水印算法中的应用.pdf 一种基于小波包变换的盲数字水印算法.pdf 一种基于小波包分解的自适应数字水印算法.pdf-Adaptive wavelet packet based digital watermarking algorithm. Pdf Wavelet packet transform and its application in digital watermarking applications.
imageconversionandcompression
- 对图像进行傅利叶变换小波变换小波包变换离散余弦变换离散沃尔什变换二维哈达玛变换-MATLAB-based image conversion and compression
MATLAB
- 该程序使用小波包变换分析信号的特征向量和各频率成分的功率谱.-The program uses the wavelet packet analysis of the signal eigenvectors and the frequency components of the power spectrum.
lifting_97
- 实现9/7小波正反变换 注1: 采用标准正交方法,对行列采用不同矩阵(和matlab里不同) 注2: 为了保证正交,所有边界处理,全部采用循环处理 注3: 正交性验证,将单位阵带入函数,输出仍是单位阵(matlab不具有此性质) 注4: 此程序是矩阵实现,所以图像水平分量和垂直分量估计被交换位置 注5: 此程序实现的是类小波(wavelet-like)变换,是介于小波包变换与小波变换之间的变换 注6: 此程序每层变换相对原图像矩阵,产生的矩阵都是正交阵,这和小
wavelet-matlab
- 使用小波包变换分析信号的MATLAB程序, 使用小波包变换分析两个信号的特征向量和各频率成分的功率谱,很完整的一个应用程序-Signal using wavelet packet analysis of MATLAB program, using wavelet packet analysis of two signal eigenvectors and the power spectrum of each frequency component, an application is com
WaveletCompress
- 本文提出了一种基于小波包变换的图像压缩算法,具有重要的学术参考价值!-This paper presents an image compression algorithm based on wavelet packet transform, with important academic reference value.
57950722xiaobobao
- 小波包变换实际程序,这个是最基本的小波包程序,适合于初学者-packet wavelet
xiaobobao
- 使用小波包变换分析信号的MATLAB程序-Simulation of a simple short-circuit voltage sag signal, find the modulus maxima of wavelet coefficients...
wavelet_packet_gaijing
- 小波包变换的改进单子带重构,参考书籍杨建国著《小波分析及其工程应用》-Improved Subband Reconstruction of Wavelet Packet Transform.