help regarding image preprocessing techniques for biometrics

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shefsharma

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what r the compulsary and new methods of preprocessing of the scanned image?
 

There are several ways to treat image in order to improve the ability of further algorithms.
The most common is to apply vertical and horizontal gain ( equivalent high-pass filter ).

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thanks for response.i'm new to this field.
i'll do some programming on matlab and will contact u soon.
 

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