5 CPC group SeminarThursday, June 1, 2006 PCA (continued…)  Based on the Eigen values first 64 PCs were found to be significantEigen values  Variance captured ~ 92.74%  Any image represented by its PC: Y= [y 1 y 2 ….....y 64 ]  Reduced Data Matrix with 64 variables Y = 1000 x 64 matrix
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