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对PCA的个人理解,有详细的PCA推导过程,代码包括计算协方差,及其特征值特征向量。(For the personal understanding of PCA, there is a detailed process of PCA derivation. The code includes the calculation covariance and its eigenvalue eigenvector.)
Update : 2024-05-19 Size : 123904 Publisher : 杰克蔡

matlabPCA
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PCA 算法演示 主要用于数据进行降维处理(PCA suanfa zhuyaoyongyushujujinxingjiangweichuli)
Update : 2024-05-19 Size : 17408 Publisher : APPJOKER

matlabPCA
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采用INP数据(145*145*200),该数据有16个类别, PCA进行数据降维,然后对降维数据采用kNN分类(k=1)。(Using INP data (145*145*200), the data has 16 categories, PCA carries out data reduction, and then uses kNN classification for dimensionality reduction data (k=1).)
Update : 2024-05-19 Size : 26624 Publisher : 纷纷666

PCA故障分析程序,主元分析法,故障诊断,TE过程的数据。(PCA fault analysis program, principal component analysis, fault diagnosis, TE process data.)
Update : 2024-05-19 Size : 130048 Publisher : 赵姗姗

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深度学习中的PCA,和白化算法,对深度学习非常有帮助(PCA in deep learning, and albino algorithm, are very helpful for deep learning)
Update : 2024-05-19 Size : 3866624 Publisher : 导师

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利用STC15单片机的PCA功能实现PWM的调节,从而控制三色LED的调光功能。(The PCA function of STC15 microcontroller is used to realize the adjustment of PWM, so as to control the dimming function of the three color LED.)
Update : 2024-05-19 Size : 89088 Publisher : 房间打开手机

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pca和2dpca的MATLAB人脸识别。并且使用orl人脸数据库进行测试(PCA and 2DPCA's MATLAB face recognition. And use the ORL face database to test)
Update : 2024-05-19 Size : 23426048 Publisher : yangrongme6

OpenCVpca
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在许多领域的研究与应用中,往往需要对反映事物的多个变量进行大量的观测,收集大量数据以便进行分析寻找规律。多变量大样本无疑会为研究和应用提供了丰富的信息,但也在一定程度上增加了数据采集的工作量,更重要的是在多数情况下,许多变量之间可能存在相关性,从而增加了问题分析的复杂性,同时对分析带来不便。如果分别对每个指标进行分析,分析往往是孤立的,而不是综合的。盲目减少指标会损失很多信息,容易产生错误的结论。 因此需要找到一个合理的方法,在减少需要分析的指标同时,尽量减少原指标包含信息的损失,以达到对所收集数据进行全面分析的目的。由于各变量间存在一定的相关关系,因此有可能用较少的综合指标分别综合存在于各变量中的各类信息。主成分分析与因子分析就属于这类降维的方法。(* pca.cpp This program demonstrates how to use OpenCV PCA with a specified amount of variance to retain. The effect is illustrated further by using a trackbar to change the value for retained varaince. The program takes as input a text file with each line begin the full path to an image. PCA will be performed on this list of images. The author recommends using the first 15 faces of the AT&T face data set: http://www.cl.cam.ac.uk/research/dtg/attarchive/facedatabase.html)
Update : 2024-05-19 Size : 2048 Publisher : Steven Cham

用于拉格朗日函数分解运算的PCA算法,MATLAB程序实现(PCA algorithm for decomposition operation of Lagrange function)
Update : 2024-05-19 Size : 2212864 Publisher : 你懂得啊

Otherpca
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A face recognition algorithm of pca using java code
Update : 2024-05-19 Size : 4096 Publisher : wuxingyu

STC15单片机的 PCA-3路9-16位PWM功能(The 9-16 bit PWM function of PCA-3 road of STC15 single chip microcomputer)
Update : 2024-05-19 Size : 126976 Publisher : shawyj

通过Python实现了PCA数据降维的方法(The method of reducing the dimension of PCA data through Python)
Update : 2024-05-19 Size : 11264 Publisher : redrock

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PCA降维 无监督特征提取 参考文献:Paper used - http://cs229.stanford.edu/notes/cs229-notes10.pdf(PCA # PCA - Unsupervised feature extraction technique Paper used - http://cs229.stanford.edu/notes/cs229-notes10.pdf)
Update : 2024-05-19 Size : 2048 Publisher : a449337053

matlabPCA
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PCA example code from image data
Update : 2024-05-19 Size : 10824704 Publisher : youdalj

此源代码使用Eigen C ++库在C ++中实现了PCA算法。 运行代码所需的组件: - 安装Visual Studio 2012(Express Edition工作正常) - Windows操作系统(Windows 7或更高版本) 如何运行源代码: - 打开文件。\ pca \ PrincipalComponentAnalysis \ PrincipalComponentAnalysis \ Program.cpp - 在行和列变量中设置矩阵的尺寸。 - 在m变量中设置矩阵值。 - 运行程序F5 - 输出应该是输入的主要成分的值。 分配矩阵的输出可以在Output.txt中找到(This source code has implementation for PCA algorithm in C++ using Eigen C++ library. Required components to run the code: - Install Visual Studio 2012 (Express Edition works fine) - Windows operating system (Windows 7 or higher) How to run the source code: - Open file .\pca\PrincipalComponentAnalysis\PrincipalComponentAnalysis\Program.cpp - Set the matrix dimensions in rows and columns variables. - Set the matrix values in m variable. - Run the program F5 - Output should be the values of the input's principal component. The output of the assignment matrix is found in Output.txt)
Update : 2024-05-19 Size : 10320896 Publisher : HJL Kevin

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PCA MATLAB 代码示例,有详细的注释,代码简单易懂,仅供学习参考(PCA MATLAB code example, with detailed annotations, the code is simple and easy to understand, only for learning reference)
Update : 2024-05-19 Size : 18432 Publisher : learner1

PCA程序,处理绿萝的数据,机器学习,进行主成分分析,提取指定重要特征的方法。(PCA program, data processing ,Scindapsus, machine learning, principal component analysis method, A method of specifying important features .)
Update : 2024-05-19 Size : 404480 Publisher : zhangxuancheng

matlabPCA
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以一个实际例程为例,实现了PCA算法的全过程。附带有数据集。方便读者调试。可以直接运行。(Taking an actual routine as an example, the whole process of PCA algorithm is realized. Comes with a data set. Convenient reader debugging. Can run directly.)
Update : 2024-05-19 Size : 105472 Publisher : Liuyuchuan

主元分析,故障诊断,Steven X. Ding(PCA method, fault diagnosis, authored by Steven X. Ding)
Update : 2024-05-19 Size : 114688 Publisher : luis

matlabPCA
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PCA降维实例,使用数据集,数据集衡量美国329个城市生活质量的9个指标:气候、住房、健康、犯罪率、交通、教育、艺术、娱乐和经济。对于各指标,越高表示越好,如高的犯罪指标表示低的犯罪率。(PCA dimensionality reduction example uses data sets and data sets to measure 9 indicators of quality of life in 329 cities: climate, housing, health, crime rate, transportation, education, art, entertainment and economy. For each index, the higher the better, as the high crime indicator indicates a low rate of crime.)
Update : 2024-05-19 Size : 393216 Publisher : echo_
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