Description: 主成分分析（PCA)算法是用于简化数据的一种技术,对于某些复杂数据就可应用主成分分析法对其进行简化。-principal component analysis (PCA) algorithm is used to simplify the technology of data, For some complex data can be applied Principal Component Analysis streamline its. Platform: |
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Author:赵俊义 |
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Description: PCA算法matlab程序源码,这个是我和同学一起做的,大家可以参考看看怎么样的,谢谢大家,可以提议供大家学!-PCA algorithm Matlab program source code, and this is my schoolmates do. We can look at how information like, thank you, can be proposed for everyone to learn! Platform: |
Size: 1024 |
Author:啊似的 |
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Description: PCA原代码，可以移植到别的pca算法中使用，具有较强的可移植性。-PCA original code can be transferred to other pca algorithm used, with a strong portability. Platform: |
Size: 2048 |
Author:李辙 |
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Description: PCA算法程序设计步骤：
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
-PCA algorithm 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 Platform: |
Size: 4096 |
Author:琴 |
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Description: 用PCA进行手写数字识别，主要是用Matlab实现了原始图像的预处理，进而分别采用传统的PCA方法、改进的PCA算法和2维PCA算法进行了数字识别。-PCA carried out using handwritten numeral recognition, is mainly used Matlab realize the original image preprocessing, and then using the traditional PCA methods, improved PCA algorithm and 2-D PCA algorithm of digital identification. Platform: |
Size: 8192 |
Author:xulei |
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Description: PCA算法，用于人脸识别的特征提取步骤，是目前最通用的传统的人脸识别算法。通过构建特征子空间进行降维-PCA algorithm for face recognition feature extraction step is currently the most common in traditional face recognition algorithms. By constructing feature subset space dimensionality reduction Platform: |
Size: 1024 |
Author:Jessie |
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Description: 基于Matlab的PCA人脸识别算法.m
本人毕业设计时用到的.-Matlab based on the PCA face recognition algorithm. M I graduated from the design used. Platform: |
Size: 2048 |
Author:赵立桐 |
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Description: ORL-人脸库的pca算法程序。可以测试其人脸识别的时间和准确率-ORL-Face PCA algorithm library procedures. To test its face recognition time and accuracy rate Platform: |
Size: 1024 |
Author:王敏 |
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Description: 主成分分析方法（PCA），PCA算法的理论依据是K-L变换，通过一定的性能目标来寻找线性变换W，实现对高维数据的降维。-Principal component analysis (PCA), PCA algorithm is based on the theory of KL transform, through a certain performance targets to find the linear transformation W, the realization of high-dimensional data, dimensionality reduction. Platform: |
Size: 1024 |
Author:李伟 |
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Description: 使用PCA算法分析MNIST 手写字符训练样本。 结果分别生成以2、5、10个PCA主成分的重构图像以及10个主成分特征向量的对应图像。(Implement PCA algorithm on MNIST dataset and calculate the class PCA on each digit separately.) Platform: |
Size: 15889408 |
Author:zpstanford
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