Threshold value in Face recognition project

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I had choosen a face recognition project for my masters.I am using the PCA (principal component analysis) algorithm for recognition of face. I had acheived the stage of face recognition ,now i met problem in choosing a threshold value which is important for rejection and acceptance of face i.e unknown face. If anybody have any solution about how to choose threshold value,please forward.
Thank you!

Posted 26-Mar-11 20:56pm

nadeem nisar

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OriginalGriff · Answer 1 · 2011-03-26T21:00:00

Solution 1

How do you expect us to answer that?

We have no idea how your code works, now accurate it has to be, if it is more important to not-recognise falsely (higher security) or to recognise falsely (lower security).

Where you set the threshold will be down to you and trial and error!

Posted 26-Mar-11 21:00pm

OriginalGriff