PCA - What next!?

Hi all,

I have successfully compiled the PCA example provided in the files 
section, which outputs the eigenvalues and such. I have two queries:

1. Can you help me with where I go from here to perform face-
recognition? I have 25 face images ready to use and would greatly 
appreciate some help with completing the Eigenface approach. 

2. I have also managed to incorporate the face detection sample into a 
C# application, but I'm not sure how to extract the face from the 
image, given that I know the bounding rectangle. Is there an OpenCV 
function that can do this for me?

My first query is much more important than the second and I would 
really, really appreciate some help with this. Thanks.

Kirk






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