资源列表
haar
- 利用Harr将图像进行3层小波变换,并进行重建。里面包含测试图片及变换后系数重新排列后的结构图。(Harr is used to transform the image into three-layer wavelet transform and reconstruct it. It contains the test picture and the structure chart of the coefficient rearrangement after transformation.)
Contourlet
- 此ppt是关于contourlet变换的基本理论知识,介绍了contourlet变换的基本原理-contourlet transform
d57144501581
- duo chi du bian huan-您好,我注册了,而且成功了,可是就是无法登录,即登录时总是显示Invalid user ID or password,不知为什么,请帮助,谢谢。
xiaobo-quzao
- 该程序实现小波变换,可以对设置不同的噪声值,进行对其去噪处理-The program can realize the wavelet transform, and can set different noise value, and carry on the processing of the noise.
zibobianhua
- 子波变换与子波分析-wavelet transform and wavelet analysis
information-hiding-docacode
- it is about the watermarking.every one can observe the types of watermarks,existing technologies,about discrete wavelet transform.
wavelet
- 小波分析数学理论知识课件机器程序工程实现-wavelet
spot
- spot工具箱,在压缩感知中经常用到,可以将小波变换,DCT变换写成矩阵与向量相乘的形式-Spot toolbox,it is often used in compressive sensing. By using this toolbox,the DCT and WT can be written as the multiplation of matrix and vection
pres_cam
- watermarking wavelet domain
Selection-of-Wavelet
- 通过定性与定量的分析, 提出了在对冲击信号进行连续小波变换时选择最佳小波基函数的方法和小波变换 后故障特征提取效果优劣的检验手段, 并且得出了对于冲击性信号的连续小波变换, 小波基函数的最佳选择为 M o rlet函数的结论。-A method for selecting the best wavelet base in cont inuous wavelet transform (CWT) for impulse signals is introduced, and a test fo
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)
understandDFT
- 关于傅立叶变换,无论是书本还是在网上可以很容易找到关于傅立叶变换的描述,但是大都是些故弄玄虚的文章,太过抽象,尽是一些让人看了就望而生畏的公式的罗列,让人很难能够从感性上得到理解,本文档写得非常浅显,里面有七章由浅入深地专门讲述关于离散信号的傅立叶变换,看了有茅塞顿开的感觉,在此把我从中得到的理解拿出来跟大家分享,希望很多被傅立叶变换迷惑的朋友能够得到一点启发。-On the Fourier transform, both the books or the Internet can easily