-
FAST-ICA
1、对观测数据进行中心化,;
2、使它的均值为0,对数据进行白化—>Z;
3、选择需要估计的分量的个数m,设置迭代次数p<-1
4、选择一个初始权矢量(随机的W,使其维数为Z的行向量个数);
5、利用迭代W(i,p)=mean(z(i,:).*(tanh((temp) *z)))-(mean(1-(tanh((temp)) *z).^2)).*temp(i,1)来学习W (这个公式是用来逼近负熵的)
6、用对称正交法处理下W
7、归一化W(:,p)=W(:,p)/norm(W(:,p))
8、若W不收敛,返回第5步
9、令p=p+1,若p小于等于m,返回第4步
剩下的应该都能看懂了
基本就是基于负熵最大的快速独立分量分析算法(1, on the center of the observation data, 2, making a mean of 0, the data to whitening-> Z 3, select the number of components to be estimated m, setting the number of iterations p < -1 4, select an initial weight vector (random W, so that the Z dimension of the row vectors of numbers) 5, the use of iteration W (i, p) = mean (z (i, :).* (tanh ((temp) ' * z)))- (mean (1- (tanh ((temp)) ' * z). ^ 2)).* temp (i, 1) to learn W (This formula is used to approximate the negative entropy) 6 with symmetric orthogonal treatments W 7, normalized W (:, p) = W (:, p)/norm (W (:, p)) 8, if W does not converge, return to step 5 9 , so that p = p+1, if p less than or equal m, return to step 4 should be able to read the rest of the basic is based on negative entropy of the largest fast independent component analysis algorithm)
- 2013-06-27 15:39:00下载
- 积分:1
-
jianyunmoni
实现图像渐晕效果的模拟,输入一副分辨率大于800×500的bmp图像,可以得到模拟出渐晕效果后的图像,参数可调(The image vignetting effect simulation, input a bmp image resolution is greater than 800,500, and adjustable parameters can be simulated image vignetting effect)
- 2012-11-24 10:42:39下载
- 积分:1
-
istft
说明: 短时傅里叶逆变换,参数一共有4个,hop, fs,源信号向量(Inverse short time Fourier transform)
- 2019-11-26 09:55:45下载
- 积分:1
-
testDetect
直方图的计算与显示分析图像、物体和视频信息过程,我们常把看到的物体用直方图(histogram)表示,直方图可以用来描述各种不同的事情,如物体的色彩分布、物体边缘梯度模板,以及表示目标位置的概率分布(Calculation and analysis of the histogram display images, objects and video information process, we often see objects with the histogram (histogram) indicates, the histogram can be used to describe a variety of different things, such as the color distribution of objects, object edges gradient templates, and the probability distribution of the target position)
- 2013-11-12 14:49:32下载
- 积分:1
-
matlabtuxiangfenge
图像分割,包括阈值分割Otsu法,边缘检测包括Roberts算子,Canny算子等,边界跟踪包括Bwtraceboundary函数调用来对图像进行分割等(Image segmentation, including threshold segmentation method of Otsu edge detection, including Roberts operator, Canny operator, edge tracking includes Bwtraceboundary function calls to the segmentation of the image)
- 2020-10-29 16:49:57下载
- 积分:1
-
mobanpipei1
基于模板匹配的人眼定位算法,代码简单易懂,定位精度高(The eye location algorithm based on template matching, the code simple, high positioning accuracy)
- 2020-12-17 12:29:11下载
- 积分:1
-
基于粒子滤波的视频目标跟踪算法(上传至Pudn)
基于粒子滤波的视频目标跟踪算法matlab源程序,内涵视频文件及算法源程序。(Video object tracking algorithm based on particle filter matlab source program, content video files and algorithm source program.)
- 2021-04-17 21:08:52下载
- 积分:1
-
Perona_Malik
图像的各向异性扩散,利用matlab实现Perona_Malik算法,梯度阈值K通过对图像求解2-范数的方法迭代获得(Anisotropic diffusion images, using matlab to achieve Perona_Malik algorithm, the gradient threshold images by solving the K 2- norm method will be obtained)
- 2010-07-14 21:38:08下载
- 积分:1
-
新建文件夹
说明: 中值滤波 去燥MATLAB代码 可直接用 可直接用 可直接用(Wavelet de-drying MATLAB code Can be used directly Can be used directly Can be used directly)
- 2020-12-01 10:25:06下载
- 积分:1
-
phasecorrelation
实现图像的相位相关匹配,该算法有一定的优点于其他算法相比。(images related to the phase matching, the algorithm has certain advantages compared to other algorithms.)
- 2021-01-04 10:18:55下载
- 积分:1