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pcacode
程序设计步骤:
1、去均值
2、计算协方差矩阵及其特征值和特征向量
3、计算协方差矩阵的特征值大于阈值的个数
4、降序排列特征值
5、去掉较小的特征值
6、去掉较大的特征值(一般没有这一步)
7、合并选择的特征值
8、选择相应的特征值和特征向量
9、计算白化矩阵
10、提取主分量(Programming steps: 1 to mean 2, calculation of covariance matrix and its eigenvalues and eigenvectors 3, the calculation of covariance matrix eigenvalues greater than the threshold number of 4, in descending order of eigenvalue 5, remove the smaller eigenvalue 6, remove the larger eigenvalue (usually not this step) 7, the combined choice of eigenvalues 8, select the appropriate eigenvalues and eigenvectors 9, computing whitening matrix 10, principal component extraction)
- 2008-07-14 16:25:23下载
- 积分:1
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SIFT
针对大尺度图像配准和不同传感器图像配准问题, 介绍了一种基于 SIFT 的图像配准方
法。(For large-scale image registration and image registration problem from different sensors, introduces a SIFT-based image registration method.)
- 2013-07-18 15:13:18下载
- 积分:1
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DFT-DCT
说明: 基于VC++的图像的DFT变换和DCT变换,并可实现两者间的对比转换(VC++ based on the image of the DFT transform and DCT transform, and to achieve the contrast between the two conversion)
- 2021-02-15 10:09:48下载
- 积分:1
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Kinect_DepthCanny
用kinect获取3D图像,并从3D图像中用OpenCV方法从深度图中获取梯度边缘,从而得到更多信息,做后续处理(Get with kinect 3D images, and get the edge gradient from the depth map from a 3D image using OpenCV method to obtain more information, do follow-up treatment)
- 2014-02-21 21:19:53下载
- 积分:1
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gmm
高斯混合模型的源代码。从文件中读取数据,用三个高斯混合模型进行处理(Gaussian mixture model of the source code. Read from the file data, using three Gaussian mixture model for processing)
- 2013-10-27 19:58:34下载
- 积分:1
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face2_jiance
人脸检测:可自动检测人脸,速度还可以吧!(Face Detection : can automatically detect faces and can also speed!)
- 2007-01-26 09:17:23下载
- 积分:1
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DIC
通过数字图像相关的方法计算两幅图像之间的位移,计算时间较长,是最基础的DIC,没有优化。(Digital image correlation method to calculate the displacement between the two images, the time is longer, is the most basic DIC, no optimization.)
- 2021-03-31 10:59:09下载
- 积分:1
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SLIC_mex
SLIC超像素分割matlab版本,主要算法为C++与matlab算法联动(SLIC super pixel segmentation matlab version, the main algorithm is C++ and matlab algorithm linkage)
- 2018-10-09 14:51:36下载
- 积分:1
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uged
换热器模型的MATLAB实现,可用于工程计算,还可以用于教学演示(Heat exchanger model of MATLAB and can be used for engineering calculation, and can also be used for teaching demonstration)
- 2017-08-13 06:23:33下载
- 积分:1
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opencv-fft2
灰度图像的二维傅里叶变换(cv_gray_fft2),二维傅里叶变换结果的幅值计算(cv_abs),频谱平移(cv_gray_fft2shift),将数值归一化到0到255区间(cv_range_0to255)是非常常用的四个功能!所以写成四个函数,方便将来调用!附运行截图~并附对应的MATLAB程序!(Dimensional Fourier transform of the grayscale image (cv_gray fft2), two-dimensional Fourier transform results to calculate the amplitude (cv_abs), spectral translation (cv_gray_fft2shift), the value normalized to range 0 to 255 (cv_range_0to255) is very common four function! so written as four function to facilitate future calls! attached run shot- along with the corresponding MATLAB program!)
- 2020-11-30 10:59:29下载
- 积分:1