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cs.rar
- 压缩传感理论的一个简单例子，首先对信号进行稀疏采样，然后利用MP算法对信号进行重建。,Compressed sensing theory of a simple example, first of all, the signal sparse sampling, and then use MP algorithm of signal reconstruction.
用Matlab实现的数字音频水印嵌入与提取
- 并且具有对抗加噪、重采样、重量化、滤波以及MP3有损压缩等攻击的良好鲁棒性,fimpr
mcmcstuff.rar
- 本源码是基于Markov chain Monte Carlo (MCMC)的Bayesian inference工具包,其中包括MCMC采样，基于MCMC的高斯分类，同时描述了采样的一些方法。其中还有使用文档,toolbox is a collection of Matlab functions for Bayesian inference with Markov chain Monte Carlo (MCMC) methods
harris_corners_image_registration
- 应用harris算子进行角点检测，然后利用相关性检测得到匹配焦点，然后进行图像的重采样，适于对于彩色图像的处理，对于灰度图像，只要将harris算子检测时的图像从彩色道灰度图像的语句去掉即可-Application of operator harris corner detection, and then make use of relevant test match to be the focus, and then carried out resampling images, suitabl
resampling
- 粒子滤波改进的重采样程序，Performs the resampling stage of the SIR -Improved particle filter resampling procedure, Performs the resampling stage of the SIR
code
- 无下采样的contourlet变换阈值去噪； 无下采样的contourlet变换matlab7.0工具箱-No down-sampling of Contourlet Transform Thresholding Denoising without down-sampling the transform Contourlet matlab7.0 Toolbox
shuangxianxingchazhisuofangtuxiang
- 本实验采用双线形插值技术进行图像的缩放。该方法输出的像素值是它在输入图像中2*2邻域采样点的平均值，它根据某像素周围4个像素的灰度值在水平和垂直方向两个方向上对其插值。在进行图像缩放时，其考虑到了相邻近的像素点间的关系。这种平均算法具有放锯齿效果，创造出来的图像拥有平滑的边缘，锯齿难以察觉，所以相对于最近邻法，其的效果比较好。在进行程序设计时，程序的输入参数为图像矩阵和结果图像的水平和垂直方向的像素数，可以忽略混叠效应。在程序运行之后可以对其前的实验结果进行比较分析异同，进而更深刻的理解最近邻插
lunkuobianhuan
- 一种非常新颖的多角度多尺度变换，轮廓变换的 改进，非下采样轮廓变换，可用于图像处理的多个方面-A very innovative multi-angle multi-scale transformation, transformation to improve the profile, non-down-sampling profile transform, image processing can be used in many areas of
yizhonggaoxiaodehunheyuantuoyuanjiancefangfa
- 提出了一种新的基于边缘连续特征的HT( ECHT) 混合圆/ 椭圆检测方法,利用连续的 边缘曲线段来决定HT 采样点,实验仿真结果表明该算法较好地解决了标准RHT 检测中无效 采样概率大、无效积累时间多的问题。-A new row based on the edge of the characteristics of HT (ECHT) mixed circle/ellipse detection method, using a continuous curve above the ed
yizhongsuijiduotuoyuanjiancedekuaisusuanfa
- 针对多椭圆检测问题提出了一种快速随机检测算法。该算法利用在图像中随机采样到的一个边缘点和 局部搜索到的两个边缘点以及这三个点的邻域信息确定候选椭圆,再将候选椭圆变换为对应圆,通过确认真圆来确 认真椭圆。在确定候选椭圆时,最大限度地减少随机采样点数‰ 剔除更多的非椭圆点,降低了无效采样,减少了无效 计算。数值实验结果表明:该算法具有良好的鲁棒性,其检测速度比同类算法快-Ellipse detection problem for many a fast random detect
demo1
- 粒子滤波的一种实现形势，主要包括boots方法，重采样，以及基本的粒子滤波方法。-Particle filter implementation of a situation, including boots methods, resampling, as well as the basic particle filtering method.
CWsinal
- matlab绘制CW信号的时域波形，同时对信号进行频谱分析，并考察采样频率以及信噪比对频谱分析的影响。-matlab draw CW signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum analysis.
contourlet_toolbox
- contourlet工具箱，包括五株采样、方向滤波器、塔型滤波器及SNR等函数，可直接对图像进行基于contourlet的分解和重构-contourlet toolbox, including the five samples, the direction of filters, tower-type filter and the SNR, such as function, can be directly based on image decomposition and reconstruct
LPM
- 用matlab绘制线性调频信号的时域波形，同时对信号进行频谱分析，并考察采样频率以及信噪比对频谱分析的影响。-Matlab drawing with linear frequency modulation signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum
ca_sam_carr_noise
- CA码生成程序。可以产生32颗卫星的。并载波，采样-CA key generation procedures. Can produce 32 satellites. And the carrier, sampling
sparseMRI_v0.2.tar
- 此代码用于完成MRI图像的压缩采样重建。它是论文"Sparse MRI: The Application of Compressed Sensing for Rapid MR Imaging", 2007中的源码-This is an implementation of Compressed Sensing reconstruction for MRI data. It implements the non-linear conjugate sub-gradient algorithm as
image1
- 利用多项式纠正(一次项)进行几何纠正，纠正过程采用反解法，重采样方法采用双线性内插。-The use of polynomial corrected (one-time items) for geometric correction, correct the process of adoption of anti-solution, re-sampling method using bilinear interpolation.
modelcs
- 压缩感知 ：非传统采样的模型实例和众多应用-model based compressivetoolbox
Nonsampling_Contourlet
- 非下采样contourlet变换是一种较新的多尺度几何分析方法，能够很好地描述信号的线奇异特征，具有多方向滤波器组。-Nonsubsampled contourlet transform is a relatively new method of multiscale geometric analysis, can well describe the signal characteristics of the line singularity, with multi-directional fi
matlab
- 带通滤波器（Butterworth、椭圆、窗函数），采样率fs＝2000Hz, 通带范围为300 -600Hz，阶数自选, 画出频率响应并分析比较， 对cameraman.tif图像分别添加椒盐噪声（密度为0.03）和高斯白噪声（均值为0，方差为0.02）的图像，利用三种方法进行去噪，显示原始图像、加噪图像和去噪图像并对实验结果进行分析(Band pass filter (Butterworth, ellipse, window function), sampling rate FS = 20