You can do it by using any device that scans the thumb and give you the values of the parameters that you are looking for...Store those values in some parameter adn fetch it later to view the statistics and match them with the new ones..
I think this could give you some idea. I am also trying to get some thing like it,just contact me on email@example.com
so that we can get better for this...
Its me M.B.Mehta. Catch me at firstname.lastname@example.org