How to create target for neural network

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Pratik Tamboli
Pratik Tamboli 2015-4-18
回答： Greg Heath 2015-4-19
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.

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Greg Heath
Greg Heath 2015-4-19
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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