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re: could facial recognition software fid missing persons

Posted on 10/29/15 at 12:38 pm to
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 10/29/15 at 12:38 pm to
I think it would take some ridiculous supercomputer to figure all of that out. I mean, you've got to select one person, and then scan something like an entire wanted person driver's license database to match that one person's facial features. Then, you've got to do the same for the next person. During the first half, you've got to do that 102,000 times.....all before 51,000 of the people leave at halftime
Posted by Bagger Joe
Baton Rouge
Member since Mar 2014
853 posts
Posted on 10/29/15 at 12:48 pm to
This is the basic premise of the TV show "Person of Interest" on CBS. A supercomputer is tapped into every camera, cell phone and computer to determine terrorist activity. It can also predict everyday crimes but disregards them as "irrelevant". Interesting show.
Posted by fed1811
Member since Jan 2015
124 posts
Posted on 10/29/15 at 12:52 pm to
You'd be surprised. Look up the nypd's cameras around new York and your mind will be blown.

60 minutes did a story on it a couple years back, give it a YouTube
Posted by ATL-TIGER-732
ATL
Member since Jun 2013
2291 posts
Posted on 10/29/15 at 2:43 pm to
What is Biometrics?
quote:

Biometrics are automated methods of recognizing a person based on a physiological or behavioral characteristic. Among the features measured are face, fingerprints, hand geometry, handwriting, iris, retinal, vein, and voice.

quote:

Only specific characteristics, which are unique to every fingerprint, are filtered and saved as an encrypted biometric key or mathematical representation. No image of a fingerprint is ever saved, only a series of numbers (a binary code), which is used for verification. The algorithm cannot be reconverted to an image, so no one can duplicate your fingerprints.

It is similar for facial recognition. When trying to find a match on a database it starts matching fields on the records and if there is enough of a mismatch it will skip that record and go to the next record. Most of the time it will not have to match all the fields on each record so the process runs very fast.
This post was edited on 10/29/15 at 2:44 pm
Posted by mailman
Houston
Member since Jul 2009
6143 posts
Posted on 10/29/15 at 4:39 pm to
quote:

Then, you've got to do the same for the next person. During the first half, you've got to do that 102,000 times.....all before 51,000 of the people leave at halftime



You know it wouldn't take long at all right? Especially with the processing power of computers today
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