why give 3 or moree times

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annimut

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hi friends,
why do we give our fingerprint 3 or 4 times to register, for example in protector suite fingerprint software and others? why one print is not enough?
waiting for yuor anser
 

thanks for your quick response
could you pls be more clear. i think taking image repeatedly has significant role.
if not why reduce usability of the sw by forcing user to give more instances of his/her print may be quality checking role or some thing. how can we check fingerprint quality and avoid poor images?
waiting ur response
 

that should be to take different samples and consolidate it into one,so that later, your finger print is compared with these samples than to scan with just one image,where there could be a possibility of error if you have not punched properly.

you could have a look at here for more details:-

https://computer.howstuffworks.com/fingerprint-scanner4.htm
 

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