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基于离散小波变换的数字水印技术
- 基于离散小波变换的数字水印技术 利用matlab编写-based on the discrete wavelet transform digital watermarking technology used to prepare Matlab
一维小波变换
- 示范了一维离散小波变换的一些matlab函数的用法,有详细说明
极大离散小波变换的MATLAB程序包
- 一套完整的极大离散小波变化的MATLAB源码,并配有实例。实例取自于《时间序列的小波方法》,程正兴译。该方法很好的处理时间序列问题。
MATLABwavelate.rar
- 应用MATLAB实现地震剖面的小波变换,该程序分别用连续小波变换和离散小波变换两种方式,并且可以从小波列表中选取多种小波。,Application of MATLAB to achieve seismic profile of the wavelet transform, the procedures were continuous wavelet transform and discrete wavelet transform in two ways, and can select fro
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
图12-8应用离散小波变换检测不连续点-150605
- 应用离散小波变换检测不连续点 用matlab实现-application DWT not detected using Matlab consecutive points to achieve
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.
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.
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
dwt-wavelet
- 二维离散小波变换,遥感图像处理,希望能够帮助大家。-Discrete wavelet transform, remote sensing image processing, want to help you.
detectionofabruptpoint
- 小波变换有关突变点的检测,通过离散小波变换与连续小波变换进行对比-Wavelet transform on the detection of mutations, through the discrete wavelet transform are compared with the continuous wavelet transform
EMD
- 利用MATLAB平台,离散小波变换分析,(Discrete wavelet transform analysis)
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)
MATLAB基于离散小波变换(DWT)的语音和音频信号的数字水印代码
- 这段代码实现的是MATLAB基于离散小波变换(DWT)的语音和音频信号的数字水印代码,有GUI几乎每句都有详细的注释,附带一个录音的小程序,其中加入了两种干扰,一是低通滤波,二是白噪声干扰。另外还附赠解释小波变换原理的小程序,也供下载,如果你还需要更多类似的资源,可以看看我的另一个基于LSB算法的语音信号的数字水印资源。
DCT,DWT,DFT,LSB数字水印MATLAB+GUI界面
- 本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI,可以调用dwt方法的子界面和dct方法的子界面。流程包括,读取宿主图像和水印图像,嵌入,多种方法的攻击(剪切,加噪,旋转等),提取,最后利用psnr峰值信噪比进行评价不同攻击下,鲁棒性的好坏。(This project is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method co