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wavelet-vc++6
- 小波变换程序源代码,可以处理一维数据和二维图像数据。通过小波变换将低频信息提取出来。-wavelet transform source code, can handle data and one-dimensional two-dimensional image data. Through the wavelet transform to low-frequency information is extracted.
ImageProcessing.rar
- 用matlab编写界面,实现直方图均衡化、平均滤波、梯度滤波、Laplacian滤波、Kirsch滤波、Sobel滤波、Prewitt滤波、高频提升等多种功能,Matlab prepared to use interface, the realization of histogram equalization, the average filter, Gradient filter, Laplacian filter, Kirsch filter, Sobel filter, Prewitt f
wavelet.zip
- 带点中文注释的小波变换,计算频率谱用的,适合初学者。,A bit of English Notes wavelet transform, used in calculating the frequency spectrum, suitable for beginners.
Wavelet-image-denoising-procedures
- 小波图像去噪程序。th=sigma*sqrt(2*log10(L*T)) 计算阈值 ch=c(1,num(4-i,1):num(4-i,3)+step(4-i)-1) 对各高频系数进行阈值处理 chl=length(ch) for j=1:chl if abs(ch(j))>=th ch(j)=sign(ch(j))*(abs(ch(j))-2*th/(1+exp(m*(ch(j)^2)))) 阈值处理函数 else -Wavelet image denois
lvbo
- 先由原始图像(任选)产生待恢复的图像; 利用二维小波分析对一幅图象作2层小波分解,并在此基础上提取各层的低频信息实现图像的压缩。 分别用逆滤波和维纳滤波恢复上面图像。 -First be the original image (optional) to restore the image to be generated the use of two-dimensional wavelet analysis of an image for two-layer wavelet decom
denoise_fft_angle_Analysis
- 计算时间序列的快速傅里叶变换并画出时域和频域图,之前进行小波降噪。-Calculate the time series and fast Fourier transform time-domain and frequency domain plot diagram, before wavelet decomposition.
Wavelet-Watermark_
- 这个Matlab程序的最主要功能在water.m文件中,当你调用这个函数之后,系统会提示你给哪个图像文件加水印。blockdwt2.m文件,用于在小波频域添加水印logo图片。dmg.m文件产生水印logo图片。watdet3.m文件中的函数实现的功能是检查是否有水印的logo存在。-The main function of Matlab procedures in water.m document, when you call this function, the system will pr
wavelet
- 小波包分析提取振动信号中的特征频率,以及能量谱分析计算-wavelet packet analysis vibration signal from the characteristic frequency, and the energy spectrum analysis -Extraction of wavelet packet analysis in the vibration signal characteristic frequency, as well as the calculati
signal-analysis
- dctcom.m文件利用DCT变换完成对输入图像进行压缩;imagecbe.m完成对输入的两幅RGB图像用小波分析的方法进行图像融合 imagecom.m完成对输入的RGB图像用小波分析的方法进行自动降噪,得到高频系数阈值,降噪效果百分比和结果 wavelet1D.m完成对输入的一维信号进行多尺度离散小波分解 wavelet2D完成对输入的二维信号进行多尺度离散小波分解;zigzag.m完成对输入的8*8矩阵按照zigzag排列抽取数据.-document the use of DCT tran
WaveletTransform
- 利用二维小波分析对一幅图象作2层小波分解,并在此基础上提取各层的低频信息实现图像的压缩.-The use of two-dimensional wavelet analysis of images for a 2-layer wavelet decomposition, and on this basis the low-frequency information extracted all levels to achieve image compression.
CComputeResolution
- 计算地层分辨率,利用速度、地震子波主频来计算单层或双层旅行时的地震子波分辨的地层厚度-Calculation of stratigraphic resolution, using the speed of seismic wavelet frequency to calculate the single-or double-decker travel at the time of the seismic wavelet to distinguish the strata thickness
CDMA_WITH_DSSS_FHSS
- CDMA 的仿真程序,Frequency Hopping Spread Spectrum,Random frequency hopps to form a spread signal-CDMA s simulation program, Frequency Hopping Spread Spectrum, Random frequency hopps to form a spread signal
wavelet_dec
- 利用小波冗余算法实现图像的高频和低频纹理特征的提取-Redundant algorithm using wavelet implementation of high-frequency and low frequency image texture feature extraction
5
- 借助小波变换在时频分析上的优点,提取地面运动目标的回波信号特征在目标识别中加以运用-With wavelet transform in time-frequency analysis of the advantages of extracting ground moving target echo signal characteristics to be used in target recognition
wavelet
- matlab小波变换实例,用mallat快速算法将其进行频率分割,最后将低频重组,最后去噪效果-matlab wavelet transform instance, with mallat fast algorithm to the frequency division, and finally to low-frequency reorganization, the final denoising
wavelet-mallat
- 小波谱分析mallat算法经典程序,对原始信号进行低高频的信号分解以及重构,并且进行对比分析。-Algorithm for spectral analysis mallat small classic procedure, the original signal with low frequency signal decomposition and reconstruction, and compared.
wavelet
- 为了避免常规正交小波变换所引起的图像边缘失真,特别采用了双正交小波变换进行图像 的多分辨率分解。在融合处理时,为了获得更丰富的细节和更好的融合效果,对不同分解层、不 同方向上的高频分量以及同一分解层图像中的不同区域均采用不同的融合算子。实验结果表明, 该融合方法和融合规则是十分有效的,融合后图像的边缘和纹理细节都更加突出-In order to avoid the conventional orthogonal wavelet transform image edge distort
wavelet
- 使用小波变换进行图像去噪,对得到的高频部分利用软阈值和硬阈值法去噪-Image denoising using wavelet transform, the high frequency part by the use of soft threshold and hard threshold denoising
wavelet-MATLAB-code
- 实现以下功能:装载信号;完成信号的单尺度一维离散小波分解;从系数中重构低频部分和高频部分;显示高频和低频部分;由小波逆变换恢复信号;多层一维分解;提取系数的低频和高频部分;重构第3层的低频系数;重构第1、2、3、4、5层的高频信号;重构原始信号并显示-Achieve the following functions: load signal complete signal single-scale one-dimensional discrete wavelet decomposition r
wavelet-frequency-check
- this code import ground motion acceleration time series and show its frequency domain and main frequency