This code for the matlab code, is divided into two parts. The first part of the implementation of the K means clustering algorithm to compress the image. In the second part, you will use the principal component analysis method PCA to realize the low dimensional representation of the face image.

ex7 K-Means Clustering and PCA\ex7\bird_small.mat
..............................\...\bird_small.png
..............................\...\computeCentroids.m
..............................\...\displayData.m
..............................\...\drawLine.m
..............................\...\ex7.m
..............................\...\ex7data1.mat
..............................\...\ex7data2.mat
..............................\...\ex7faces.mat
..............................\...\ex7_pca.m
..............................\...\featureNormalize.m
..............................\...\findClosestCentroids.m
..............................\...\kMeansInitCentroids.m
..............................\...\lib\jsonlab\AUTHORS.txt
..............................\...\...\.......\ChangeLog.txt
..............................\...\...\.......\jsonopt.m
..............................\...\...\.......\LICENSE_BSD.txt
..............................\...\...\.......\loadjson.m
..............................\...\...\.......\loadubjson.m
..............................\...\...\.......\mergestruct.m
..............................\...\...\.......\README.txt
..............................\...\...\.......\savejson.m
..............................\...\...\.......\saveubjson.m
..............................\...\...\.......\varargin2struct.m
..............................\...\...\makeValidFieldName.m
..............................\...\...\submitWithConfiguration.m
..............................\...\Lighthouse.jpg
..............................\...\pca.m
..............................\...\plotDataPoints.m
..............................\...\plotProgresskMeans.m
..............................\...\projectData.m
..............................\...\recoverData.m
..............................\...\runkMeans.m
..............................\...\submit.m
..............................\...\token.mat
..............................\ex7.pdf
..............................\...\lib\jsonlab
..............................\...\lib
..............................\ex7
ex7 K-Means Clustering and PCA

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