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matlab.设计了一个数字低通滤波器
- 本程序设计了一个数字低通滤波器,以滤除加入的高斯白噪声,很好的实现功能。,The program design of a digital low-pass filter to filter out the add white Gaussian noise, achieve good function.
edge_filter_linear
- 1、均值平滑、中值平滑和低通滤波平滑 2、高斯拉普拉斯算子对图像边缘的增强, 3、彩色图像的锐化,-1, the mean smoothing, median smoothing and smoothing low pass filter 2, Laplacian of Gaussian edge enhancement, 3, color image sharpening,
Matlab的IIR_Butterworth低通数字滤波器
- 实现了用matlab编写的巴特沃斯(Butterworth)滤波器,对加入高斯白躁的图像进行处理,用户可以调解白噪声的强度,滤波器的阶数,滤波半径等参数。压缩包里包括具体的实验报告,所以的源码(.m文件)。代码大部分都加有注释,方便理解
fliter
- 利用matlab实现图像的频域滤波,包括巴特沃斯低通、理想低通、高斯低通等-Using matlab for image filtering in frequency domain, including the Butterworth low-pass, ideal low-pass, Gaussian low-pass, etc.
low_pass
- 图像的低通滤波器,用MATLAB设计一个3×3模板标准差为0.5的高斯低通滤波。-Image low-pass filter MATLAB design, a standard template for 3 x 3 0.5 gaussian low-pass filter
yao-Gaussfilter-UV
- 对气象风场进行高斯低通滤波!带宽可以根据自己的需要适当调整,此程序适合与气象专业人员使用。-Meteorological wind field Gaussian low pass filter!
Gaussfilter
- 高斯低通滤波器:求序列x(n)(n是资料长度)的m项高斯低通滤波序列y(n) -M-term Guassian-Type Filter
peizhun
- 实现两幅图像的配准,首先对图像做高斯低通滤波处理 ,然后计算互信息值,利用PWELL算法求出最优的参数,根据所得参数进行配准-To achieve the registration of two images, the first image to do the Gaussian low-pass filter, then calculate the mutual information value, use PWELL algorithm to determine the optimal pa
lixiangditong
- 分别设计理想低通滤波器、巴特沃思滤波器、指数滤波器、梯形低通滤波器,并对含高斯噪声的图像进行低通滤波,截止频率自选,观察不同的截止频率,不同的滤波器的滤波效果。-Were designed for the ideal low pass filter, Butterworth filter, exponential filter, ladder low-pass filter, and Gaussian noise images with low-pass filter cutoff freque
soundprocessing
- 基于matlab对语音信号进行频谱分析,加入高斯噪声,再使用FIR高通、巴特沃斯低通、FIR带通滤波器进行滤波处理-Spectral analysis of the speech signal, adding Gaussian noise, and then use high-pass, low pass, band pass filter for filtering
Gaussfilter
- guassfilter-求序列x(n)(n是资料长度)的m项高斯低通滤波序列y(n)的fortran源程序/源代码-guassfilter-demand sequence x (n) (n is the data length) of m Gaussian low-pass filter sequence y (n) fortran source/source code
test
- 对一副M*N大小的图像重复使用截频为D0的高斯低通滤波器进行滤波。假设K为滤波次数。并从理论上说明当K足够大时的滤波结果及产生原因-Right an M* N size of the image is repeated using the cutoff frequency for the D0 of a Gaussian low-pass filter for filtering. Assuming K is filtering times. And filtering results when
attack
- 为数字图像水印提供多种攻击方式,其中包括JPEG压缩、高斯低通滤波等多达十种攻击方式。-Offers a variety of attacks of digital watermarking ,including the jpeg compression, Gaussian low-pass filtering, up to ten different attacks
weicais
- 自己编写的高斯低通滤波器,可以在实现低通滤波的作用-I have written a Gaussian low-pass filter can realize low-pass filtering effect
Gausslowpass
- matlab编程实现对图片进行高斯低通滤波-matlab programming the picture Gaussian low-pass filter
medianPfftlowpassPffthighpass
- 几种重要的滤波器,中值滤波,fft理想低通滤波,fft高斯低通滤波-median+fft lowpass+fft guass-lowpass
yinxianggaoditonglvbo
- 这是一个音像高低通滤波MATLAB代码,其中包括巴特沃斯低通滤波,高斯高通滤波,高斯低通滤波,理想矩形低通滤波,理想圆形低通滤波-This is a sound image high and low pass filter MATLAB code, which includes Butterworth low-pass filter, Gaussian high-pass filter, Gaussian low-pass filter, ideal rectangular low-pass f
滤波
- 图像去噪的一些程序,可直接使用,只需修改成为自己的文件。(Image denoising of a simple procedure, can be used directly)
MATLB
- 选择两张图片,一张水印图,一张嵌入图,将水印图进行Arnold置乱算法将其置乱,嵌入到嵌入图中,形成数字零水印,选用白噪声、高斯低通滤波、压缩、剪切、旋转攻击测试。以此观察图像鲁棒性(Select two pictures, a watermark and an embedded graph. We will scramble the watermark image with Arnold scrambling algorithm and embed it into the embedded m
频率域低通和高通滤波
- 1.学会傅立叶变换方法; 2.使用布特沃斯和高斯滤波器进行低通滤波; 3.使用布特沃斯和高斯滤波器进行高通滤波