搜索资源列表
image_inhancement
- 基于Matlab的典型图像增强算法的源码 程序代码说明 P0301:数字图像矩阵数据的显示及其傅立叶变换 P0302:二维离散余弦变换的图像压缩 P0303:采用灰度变换的方法增强图像的对比度 P0304:直方图均匀化 P0305:模拟图像受高斯白噪声和椒盐噪声的影响 P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
dakedwt1
- 数字水印技术攻击试验,实现噪声、滤波、剪切、压缩、旋转攻击-Digital Watermarking attack test, realize noise, filtering, shear, compression, rotation attack
coleawin_Matlab_Speech_Analysis
- 波形和频谱双显示 记录讲话直接进入MATLAB 手动分割讲话波形-创建标签文件 波形编辑-切割,复制或粘贴 共振峰分析-显示共振轨道的F1 , F2和F3 基音分析 过滤工具-语音信号滤波器截止频率 比较工具-比较两个波形的频谱距离使用几种措施 增加噪声-Dual time-waveform and spectrogram displays Records speech directly into MATLAB NEW Displays time-a
lq
- 语音信号的数字滤波处理 加入高斯噪声再滤除,信噪比小于20分贝-Voice signal digital filter handle add further filtered Gaussian noise, signal to noise ratio is less than 20 dB
denoisedemo
- 用matlab软件,去除图像中存在的可去除的噪声-Removal of images that exist in the noise can be removed
MATLAB_Gaussian-Pepper-Noise-Generator
- MATLAB给图像添加高斯、椒盐、加性及乘性噪声[噪声生成]源代码Gaussian-Pepper-Noise-Generator-MATLAB——Gaussian-Pepper-Noise-Generator
MQAM-modulation-demodulation
- 产生一段随机四进制信号,对其进行QAM调制后,送入加性高斯白噪声信道传输,用加法运算在已调信号叠加白噪声,模拟加性高斯白噪声信道对信号传输的影响,在接收端对信号进行相应解调,并与原始信号比较计算误码率。改变误差白噪声的功率,绘制信噪比与误码率曲线。并与同组其他同学的性能曲线比较各种调制方式的性能优劣。-For some randomly generated four-band signal, after its QAM modulation, into the additive white Ga
3
- 摘要:为了提高图像复原算法的性能 ,提出了一种改进的奇异值分解法估计图像的点扩散函数。从图像的退化离散模型 出发 ,对图像进行逐层分块奇异值分解 ,并自动选取奇异值重组阶数以减少噪声对估计的影响。利用理想图像奇异值向 量平均能谱指数模型 ,估计点扩散函数奇异值向量的频谱 ,再反傅里叶变换得到其时域结果。实验结果表明 ,该方法能 在不同信噪比情况下估计成像系统的点扩散函数 ,估计结果比原有估计方法有所提高 ,有望为图像复原算法的预处理提 供一种有效的手段。-Abstract : T
CdenoiseGaussian
- CONTOURLET去噪。添加了高斯噪声很好的实现了图像的多尺度分解下的去噪与重建。实现了多尺度分解的子带去噪。-CONTOURLET denoise .this is denoise program. my english is poor!
ROFL2denoisingmodel
- ROF-L2去噪模型,可以有效的去除加性噪声-ROF-L2 denoising model
Radar_noise_reduce
- 雷达回波信号消噪处理,实现对噪声雷达信号的恢复处理。-Radar Echo Signal Denoising treatment, implementation of the noise radar signal the resumption of treatment.
qammodu
- 16QAM调制解调原码,包括星座图映射,信道噪声,及解码-16QAM modulation source, including the mapping constellation diagram, channel noise, and decoding
denosingbymultiscalewavelet
- 我们都知道以前的小波去噪没有充分利用相邻尺度间的相关性,而这个软件充分利用它们间的相关性来消除图像上的噪声,也就是通常所说多尺度积去噪方法。-We all know that the former does not take full advantage of wavelet denoising adjacent correlation between scales, and this software take full advantage of the correlation between
see
- 这个GUI界面软件能从你的计算机里读出你的图像,可以加入噪声,而给你提供各种滤波器来研究他们的特性。噪声类型:高斯噪声、淑盐噪声、泊松噪声-This GUI based code can read images from your computer , add noise to it and gives you different types of filters to study their performance. The Noises type : Gaussian
NOSE
- 这个matlab程序实现的是一个噪声生成器,它可以生成高斯、椒盐、加性及乘性噪声,并把这些噪声添加到一幅图像上。-Matlab implementation of this process is a noise generator, it can generate Gaussian, salt and pepper, additive and multiplicative noise, and noise is added to put these on an image.
kalma
- 卡尔曼滤波对PID控制的噪音滤除。给出滤波器对控制干扰和测量噪声具有很好的滤波作用-Kalman filter on the PID control filter out the noise. Give filters to control interference and measurement noise filter has a good role
rsd1
- 单频加白噪声的随机信号分析模型,包括经典的周期图法和AR模型-Add single-frequency white noise random signal analysis model, including the classic periodogram and AR model
works
- QPSK系统在无线通信信道中的仿真,通过对有若干条(大于2条)路径的无线多径衰落信道中的QPSK系统进行误码率性能仿真,并在与理想的高斯加性白噪声信道中同样系统的BER性能进行比较,利用SA方法给出本仿真模型的仿真结果-QPSK system in the wireless communications channel simulation, through a number of articles (more than 2) the path of wireless multi-path fa
m12_3
- 为了改善噪声e(k)为有色噪声模型的系统参数估计的统计特性,提出了一种增广矩阵的方法,称为增广最小二乘算法,MATLAB实现范例-In order to improve the noise e (k) for the colored noise model of the system parameters estimated statistical characteristics, an Augmented Matrix method, called Augmented Least Square
houghlinedetect
- hough 变换实现直线检测 在噪声服从高斯分布的背景中构造信噪比为2、长度为34像素的目标线段;在找出线段所在直线后,在采用固定长线段滑动的方法,确定线段的起始点,最终确定线段的确切位置。-hough transform line detection in the noise to obey Gaussian distribution of the background-noise ratio for the structure 2, with a length of 34 pix