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dwt.rar
- 一维离散小波变换,输出项是一维离散小波变换的小波变换系数,输入值是小波名,信号序列,The dwt command performs a single-level one-dimensional wavelet decomposition with respect to either a particular wavelet ( wname , see wfilters for more information) or particular wavelet decomposition filte
wavelet
- 通过matlab实现二维离散小波变换的Mallat快速算法源程序和对二维图像进行多级分解与重建-Matlab achieved by two-dimensional discrete wavelet transform Mallat fast algorithm and multi-dimensional image decomposition and reconstruction
vision
- 本书的目的主要是向读者展示傅里叶分析和小波的许多基础知识以及在信号分析方面的应用。全书分为8章和2个附录,前言部分是学习第1章至第7章的准备知识,即内积空间;第1章讲解傅里叶系列的基础知识;第2章讲解傅里叶变换;第3章介绍离散傅里叶变换以及快速傅里叶变换;第4章至第7章讨论小波,重点在于正交小波的构建;附录部分则介绍稍微复杂的一些技术主题以及演示概念或产生图形的MATLAB代码。许多关于小波的文章和参考书籍均要求读者具有复杂的数学背景知识,本书则只要求学生具有较好的微积分以及线性代数知识,通俗易
matlab97lift
- 离散小波变换的matlab程序,包括一维与二维的-Discrete wavelet transform matlab procedures, including one-dimensional and two-dimensional
xiaobo
- 本代码给出了图像的二维离散小波变换分解、重构图像以及误差图像。-The code gives the two-dimensional image decomposition of discrete wavelet transform, image reconstruction and the error image.
DWT
- 基于混沌加密的离散小波变换域数字图像水印算法的研究的期刊论文-DWT Based on Chaotic Encryption Algorithm for Digital Image Watermarking domain of research journal articles
watermaking
- 基于混沌的离散小波变换的数字水印算法研究-wavelet watermarking
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
fjxhfj
- 实现db6小波提升变换,对信号进行5层分解和重构。另外被屏蔽的部分为离散小波变换。-Enhance the realization of wavelet transform db6, 5 layers of signal decomposition and reconstruction. In addition to being part of shielding DWT.
bobianhuan
- 1.加深对离散时间信号的DTFT基本概念的理解。 2.熟悉DFT变换原理及其基本性质。加深对DTFT和DFT相互关系的理解 3.熟悉FFT算法原理和FFT子程序的应用 4.掌握用MATLAB计算离散时间信号的DTFT和DFT的方法,FFT函数的用法。 -1、Deepen their understanding of discrete-time signal DTFT understanding of basic concepts. 2、DFT-familiar with th
MATLABwavelet
- 小波变换的matlab程序,包括离散小波变换,多尺度变换,小波包分析,小波用于图像压缩、水印、去噪-Matlab wavelet transform procedures, including the discrete wavelet transform, multi-scale transform, wavelet packet analysis, wavelet image compression, watermarking, denoising
matlab
- 压缩文件中包含用小波变换、傅里叶变换、哈达玛变换、离散余弦变换实现图像压缩的源码,和一个绘制图像直方图及均衡化后的图像的直方图的程序。-Zip file contains the wavelet transform, Fourier transform, Hadamard transform, discrete cosine transform image compression source code, and a procedure of drawing image histogram .
Discrete-Wavelet-Transform-MATLAB
- 离散小波的MATLAB计算程序,采用db10小波进行水位数据序列的离散化-code for discrete wavelet transform in MATLAB
data-of-matlab
- 离散小波变换的原理编码实现,从原理实现harr小波变换,可参考matlab中的dwt函数-the code of origin of harr wavelte,similar to the function dwt() in matlab
water-matlab
- 基于离散小波变换的数字水印技术(利用matlab编写)-Digital watermarking technique based on discrete wavelet transform (using Matlab prepared)
MATLAB--example2
- 离散傅里叶变换DFT(Discrete Fourier Transform) 10 快速傅里叶变换FFT(Fast Fourier Transform)-9Discrete Fourier Transform (DFT (Discrete Fourier Transform) 10 Fast Fourier Transform FFT (Fast Fourier Transform)
七月十四日
- 一维离散小波变换源代码,包括提取高频系数和低频系数,重构信号(One-dimensional discrete wavelet transform source code, including the extraction of high frequency coefficients and low-frequency coefficients, reconstruction signal)
二维离散小波变换
- mallatm.m:一维mallat快速分解函数 mallatr.m:一维mallat快速重建函数 mallatm2d.m:二维mallat快速分解与合成算法的演示函数,要调用mallatm.m与mallatr.m 在matlab命令行键入(Two dimensional discrete wavelet transform)
图像正交变换
- 在MATLAB环境中,进行图像的离散傅里叶变换和离散余弦变换 在MATLAB环境中,进行图像的离散小波变换,观察子带对重建图像的影响,理解小波变换的多分辨率特性(In the MATLAB environment, the image of the discrete wavelet transform, observe the sub-band on the reconstruction of the image, understand the multi-resolution characte
dwt_1_10hz
- 简单例子,用matlab实现离散小波变换(Simple example, using MATLAB to realize discrete wavelet transform)