2023-10-12 23:51:06 +00:00
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% implements Eigenfaces, returns nothings but displays a plot of the first
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% 5 eigenvectors
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function [] = Eigenfaces(training_data, test_data)
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2023-10-22 04:32:00 +00:00
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% stack data
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data = vertcat(training_data, test_data);
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2023-10-12 23:51:06 +00:00
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2023-10-22 04:32:00 +00:00
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% perform PCA
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coeff = pca(data);
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2023-10-12 23:51:06 +00:00
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2023-10-22 04:32:00 +00:00
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% show the first 5 eigenvectors (see homework for example)
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for i = 1:5
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subplot(3,2,i)
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imagesc(reshape(coeff(:,i),32,30)');
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end
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% pause;
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2023-10-12 23:51:06 +00:00
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end % Function end
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