When an image of a child’s fingertip is taken, most of the data is discarded, but certain points of the image are remembered and converted into an algorithm - a series of letters and numbers. This is the data that is stored and matched against children’s fingertips on a daily basis. “It would be extremely hard to reverse the process and turn the numbers back into an image,” says Mr Rossiter. “All you would have is a series of random points.”
Kudos to TES Connect for this balanced, informative, and fair article.
Tucked away at the bottom of this article is a very good memorandum offering guidance from the Information Commissioner’s Office [UK]. It can be can be found here in PDF format.
