question on pca based face recognition

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Ampi 2012-12-21

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I have a questioner regarding PCA/Eigenface classifier,

1. Shall I calculate the eigen-vectors first in case of input images, then train the face matrix & then calculate the dist between test and train images for final classification?

2.Shall I train the face matrix first & then calculate the eigenvectors then calculate the dist between test and train images for classifier?

Please reply & thanks in advance

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Walter Roberson 2012-12-21

Does this question replace your older question http://www.mathworks.co.uk/matlabcentral/answers/56710-reconstruction-of-an-image-by-pca ?

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Image Processing and Computer Vision Computer Vision Toolbox Recognition, Object Detection, and Semantic Segmentation Object Detection Using Features Face Detection

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