How to create target for neural network

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hello sir, pamho,
I am working on bio metric identification system, with 512 features of 80 identities as enrollment data,so my input for neural network is 512*80 matrix. But i can't decide what should be given as target so that system can identify enrolled 80 person and reject others. Please help.

Accepted Answer

Greg Heath
Greg Heath on 19 Apr 2015
You cannot define a 512 dimensional input space with 80 examples.
Therefore, use feature extraction to substantially reduce the number of features.
The target vectors should be {0,1} 80-dimensional unit vectors.
Hope this helps.
Greg

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