搜索资源列表
Wavelet-transform-image-denoising
- 本案例通过对图像加入高斯噪声,利用sym4小波函数对该图像和信号进行三级分解,用小波阀值去噪的方法对该图像进行去噪,并给出了仿真结果。-This case through join Gaussian noise image, use the sym4 wavelet decomposition of the image and signal, the wavelet threshold to filter method for the image denoising is presented,
l0_code
- 本程序是一个图像去噪的程序,它将图像中的噪声使用不同的模型进行建模。一部分假设为稀疏噪声,一部分假设为高斯噪声。-This program is an image denoising program that noise in the image using a different model to model. Assuming noise sparse portion, a portion of the noise is assumed Gaussian.
filter-under-gaussian-noise
- 加入高斯噪声之后的几种滤波方式,均值滤波,中值滤波和维纳滤波-Several Gaussian noise filtering methods added later, mean filtering, median filtering and Wiener filtering
tuxiangZengqiang
- 本文是基于MATLAB的GUI来对不同的(彩色或灰色)图像进行图像增强的相关处理,主要包括以下四点: 频域变换:傅里叶变换和离散余弦变换及其反变换,可将图像在空域上的特性转化到频域上; 叠加噪声:对图像添加高斯噪声和椒盐噪声; 空域滤波:对噪声污染后的图像添加不同模板下的平滑滤波和锐化滤波,可选择不同模板尺寸; 频域滤波:对噪声污染后的图像添加理想低通滤波器、巴特沃斯低通滤波器、理想高通滤波器、巴特沃斯高通滤波器、带通滤波器、带阻滤波器等,可实现平滑图像的效果。-This art
shiyan
- 加入了ZC序列的同步码,并实现了调制,并加入了高斯噪声。- He joined the ZC sequence of preamble, and to achieve the modulation, and joined the Gaussian noise.
Image_Processing
- 图像处理方面基础框架结构。主要是对图像的灰度操作,均值,中值最大值最小值滤波。添加一些如高斯噪声等噪声,还有对图像进行去噪处理。显示图像的RGB分量,对图像进行灰度直方图均衡化和归一化。-Based image processing framework. The main image is a gray operation, mean, median maximum minimum filter. Add some noise such as Gaussian noise, as well as
test
- 一个简单的OFDM程序,有IFFT/FFT,QPSK调制解调,加入了高斯噪声,加入循环前缀。并且每行程序都有的详细注释,简单易懂。扩展性比较强,可以改写成自己的代码。-A simple OFDM procedures, there are IFFT/FFT, QPSK modulation and demodulation, joined the Gauss noise, adding a cyclic prefix. And each line of the program are detai
add_noise
- 函数用以产生高斯噪声,瑞利噪声,伽马噪声等噪声的随机序列-Function for generating random sequences of Gaussian noise, Rayleigh noise, noise, noise, gamma
show_noise_pdf
- 函数用于显示不同噪声的概率密度,含有高斯噪声,椒盐噪声,指数噪声等噪声。-The probability density function for displaying different noise containing Gaussian noise, salt and pepper noise, noise, noise index.
main
- 高斯噪声生成,合适信号添加噪声,就行后续处理。-Gaussian noise generation, the appropriate signal to add noise, on-line follow-up processing.
GNM-saliency-master
- 基于高斯噪声的带有显著性检测的主成分分析matlab程序-Matlab program based on principal component analysis with significant detection Gaussian noise
Circuit_original
- 对于Circuit_original.jpg图像,分别加入同样百分比(2 )的高斯噪声和椒盐噪声,比较均值滤波和中值滤波(medfilt2)的去噪结果。-For Circuit_original.jpg images were added to the same percentage (2 ) of the Gaussian noise and salt and pepper noise, compare mean filter and median filter (medfilt2) deno
matlab-exmple
- 一、概念 英文名称:white Gaussian noise WGN 定义:均匀分布于给定频带上的高斯噪声; 所谓高斯白噪声中的高斯是指概率分布是正态函数,而白噪声是指它的二阶矩不相关,一阶矩为常数,是指先后信号在时间上的相关性。这是考察一个信号的两个不同方面的问题。 高斯白噪声:如果一个噪声,它的幅度服从高斯分布,而它的功率谱密度又是均匀分布的,则称它为高斯白噪声。 热噪声和散粒噪声是高斯白噪声。 二、matlab举例 Matlab有两个函数可以产生高斯
CP0602
- 超宽带无线电编码,适用于超宽带信道,PAM-TH调制,含高斯噪声-UWB radio coding for ultra-wideband channel, PAM-TH modulation, including Gaussian noise
chengxu
- 高斯噪声下采用蒙特卡洛方法对BPSK QPSK进行的误码率仿真分析-Monte Carlo method Gaussian noise BPSK QPSK BER simulation analysis performed
chulizaosheng
- 用matlab处理图像中的噪声,包括椒盐噪声和高斯噪声-Matlab with the noise in the image, including noise and Gauss noise
zhongzhilvbo
- 运用matlab进行图像里中值滤波,或者包含高斯噪声的中值滤波-The use of MATLAB in the image median filtering, or Gauss noise contains the median filter
cyclicAutocorrelationOfBpskSignal
- 使用matlab生成BPSK信号,并对其在循环自相关域进行分析。采用分数阶自相关抑制高斯噪声和脉冲噪声。-Using matlab generates BPSK signal, and analyzes its in cyclic autocorrelation domain.Using fractional order autocorrelation restrain gaussian noise and impulse noise.
Lab2-Source-and-Error-Detection
- 第一部分产生最大128位随机数 第二部分用汉明距离检测误码率 第三部分,第一和第二再加调制(BPSK+QPSK)加白高斯噪声通道awgn,得到结果并用图形显示。-part1: source.vi generate a ramdom bit sequence. part2: erro detection get BER via Humming Dacetance. Part3: part 1+ 2, and modelation (BPSK or QPSK), and AWGN,g
Mean-filter
- 均值滤波,适合于处理高斯噪声,可以改变滤波模板,实现不同的效果-Mean filtering, suitable for processing Gauss noise, you can change the filter template to achieve different effects