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ImageWaveletPacket
- 对一幅图像的进行小波包分解，然后提取每一层的系数-image of a pair of wavelet packet decomposition, and then extract the coefficient of each layer
wavlet_denoise
- 此函数用于研究Mallet算法及滤波器设计 此函数用于消噪处理 分解的高频系数采用db9较好,即它的消失矩较大 分解的有用信号小波高频系数基本趋于零 对于噪声信号高频分解系数很大，便于阈值消噪处理-this function for research Mallet filter algorithm design and function for Denoising decomposition of high-frequency coefficients Terminal b
wavelet-transform
- 对信号进行小波变换，得到小波系数和逼近系数，求出各个频率段的能量（能量=小波系数的平方和-wavelet transform
小波空域相关法去噪
- 使用空域模板进行的图像处理，被称为空域滤波。模板本身被称为空域滤波器。 空域滤波的机理就是在待处理的图像中逐点地移动模板，滤波器在该点地响应通过事先定义的滤波器系数 与滤波模板扫过区域的相应像素值的关系来计算。
wavelet_test
- 小波分析算法，用于信号的去噪，将原始信号分解为多个尺度的小波系数进行滤波-Wavelet analysis algorithm for denoising signals, the original signal is decomposed into a plurality of scale wavelet filter coefficients
lianxuxiaobo
- 这个程序可以提取小波系数，师兄用的程序，特别好用 只需要改一下数据就可以直接用 推荐下载-This program can be extracted wavelet coefficients, with senior program is particularly useful only need to change what data can be directly recommended download
dwt
- 程序内容：使用sym4小波对信号进行一层小波分解，处理一层小波系数，并求处理后压缩信号与原信号的标准差-Program content: The sym4 wavelet is used to decompose the signal by a layer of wavelet, and the wavelet coefficients are processed, and the standard deviation of the compressed signal and the origi
Image-processing
- 对注塑件表面的缺陷进行识别和分类：其中包括阈值分割，图像剪切，边缘提取，图像几何和纹理特征的计算，小波系数计算等等，特别的全面（希望对学习图像处理的同学有所帮助）-Injection surface defects to identify and classify: including thresholding, image cut, edge extraction, and calculating the image geometric texture features, the wavele
wl_e_noise
- 小波去噪，将信号映射到小波域，根据噪声和噪声的小波系数在不同尺度上具有不同的性质和机理，对含噪信号的小波系数进行处理。-Wavelet denoising, the signal is mapped to the wavelet domain, according to the noise and noise wavelet coefficients in different scales have different properties and mechanisms, the noise s
x_DWT_retrieval
- 该程序是用于小波变换得到小波系数，然后利用小波系数进行特征提取，最后利用特征进行图像检索。-This code is the use of wavelet transform to extract features, and then image retri .
erweixiaoboquzao
- 小波域阈值去噪 将信号映射到小波域，根据噪声和噪声的小波系数在不同尺度上具有不同的性质和机理，对含噪信号的小波系数进行处理。 -Thresholding in wavelet domain to the wavelet domain signal mapped, in accordance with noise and noise wavelet coefficients have different properties and mechanisms at different scal
ladnsform
- 对小波系数的s变换,t＋s变换,以及变换系数的规范化,很好的-S transformation of wavelet coefficients, the t+ s transformation, as well as the standardization of the transform coefficient, very good
wavelwr
- 对小波系数的s变换,t＋s变换,以及变换系数的规范化,很好的(S transformation of wavelet coefficients, the t + s transformation, as well as the standardization of the transform coefficient, very good)
4fab7b56a46f4
- 根据现有的程序，对两幅图像分别进行二维小波变换，分别对变换后得到的水平，垂直以及对角细节子带的小波系数进行直方图统计，然后用广义高斯函数去近似三个直方图，分别得到尺度参数和形状参数，求出对应图像的KL距离。(According to the existing programs, the two images respectively, two-dimensional wavelet transform respectively to levels after transformation, ve
shang_xishu2_ca
- 对信号求功率谱熵、相关系数，并与形态虑波器结合，找去最近结构元素长度(The power spectrum entropy and correlation coefficient of the signal are used to find the recent structural element length)
DWTEA
- 提取小波系数包络特征，首先采用离散小波变换，提取小波系数后选取运动想象脑电相关子带，再用希尔伯特变换提取包络特征(Feature extraction of wavelet coefficients)
Digital-Watermarking-master
- 将要嵌入的多张水印图利用不同正交码调制，之后嵌入到被嵌入图片的小波变换系数中，对小波系数做逆变换，得到已嵌入水印图的图像。利用逆过程可提取出被嵌入的图像(The multiple watermark images to be embedded are modulated by different orthogonal codes, and then embedded into the wavelet coefficients of the embedded images, and the inv
MATLAB
- 对数据，信号等进行傅里叶变换，计算小波系数，绘制小波方差图等(Fourier transform to data, signals and so on Calculate the wavelet coefficients draw the wavelet variance diagram and so on)
图像去噪程序
- 小波阈值去噪具有很强的相关性，通过小波阈值处理，可以将噪声分为对应的小波系数，在经过阈值处理可以滤除，从而达到去噪的效果。(Wavelet threshold denoising has a strong correlation. Through wavelet threshold processing, the noise can be divided into corresponding wavelet coefficients. After threshold processing, th
wavelet_VAD
- 利用小波系数分解进行语音端点检测，可直接运行得到结果(Speech endpoint detection using wavelet coefficients decomposition can directly run to get the results.)