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Computers might be able to spot liars


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#1    Karlis

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Posted 10 March 2012 - 10:31 AM

www.activistpost.com said:

Researching ways to read the visual cues individuals display when they are lying. Posted Image Read more...
  Comment from the article:
In  reality, they are already being field tested by the DHS and perhaps  other federal agencies as well under the banner of “threat assessment”  and “malicious intent detection.”
While  it might be beneficial in some ways, I think that the risks are much  greater than the rewards, since the DHS seems to want to use this as a  kind of pre-crime technology.
They  seek to create a world where if a computer says you’re lying, you become  instantly criminalized, even if you are just darting your eyes around  or your skin temperature is raised because you are nervous. ...

This could result in wholly innocent  people being treated as potential criminals just because they’re  uncomfortable being questioned by police, ...
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Is Big Brother closer than people think?




#2    questionmark

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Posted 10 March 2012 - 01:18 PM

Hmmm... and that add for "Privacy Crisis" on the same page did not make you suspicious?

There are many ways to tell a casual lie, from simple philosophical reasoning to eye movement. But if the liar is aware of them the whole nice machinery ceases to work. The most blatant example is that Israeli software that was capable of detecting lies in voice stress, they ran the test on Bill Clinton saying: I did not have sex with that woman and surprise, surprise, it showed that Clinton was saying the truth. Well, we know a little more about that now...

Data collecting leads to a lot of data trash, that is what will protect us from data collectors.

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#3    FlyingAngel

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Posted 12 March 2012 - 01:16 PM

Not reliable.

The polices could hijack the software and make anyone guilty from innocent.


#4    King Fluffs

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Posted 12 March 2012 - 06:03 PM

Nice...


#5    Junior Chubb

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Posted 12 March 2012 - 09:01 PM

Interesting but even if it was 99.99% accurate its not reliable enough, like lie detectors there will always be those that can fool the software.


#6    aquatus1

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Posted 12 March 2012 - 11:08 PM

I would call it more reliable than people, but that is about it.  All the clauses that people have already mentioned still apply.

It does annoy me though, when people start using Hollywood concepts as foundations for real life paranoia.


#7    Oen Anderson

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Posted 14 March 2012 - 05:59 AM

80% accuracy is a lie.  I challenge them to use it on me.  I'll bet it would say I was lying 100% of the time.


#8    redhen

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Posted 14 March 2012 - 06:51 PM

There is no one facial or bodily expression that can be taken as evidence of deceit. However, when you get a cluster of these, well, if it walks like a duck ...

Here's an interesting TED video on liar spotting.

http://www.ted.com/t...pot_a_liar.html

I guess, in this case, House is right, "everybody lies".


#9    redhen

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Posted 14 March 2012 - 06:54 PM

View PostOen Anderson, on 14 March 2012 - 05:59 AM, said:

80% accuracy is a lie.  I challenge them to use it on me.  I'll bet it would say I was lying 100% of the time.

Challenge accepted! It is impossible to fake a genuine smile.

http://en.wikipedia....uchenne_smiling

And that's the truth.


#10    KnockoutMouse

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Posted 14 March 2012 - 11:54 PM

A man can spot when a machine translates corrupted code.  I see only one reason the inverse shouldn't apply.  Second-order simulacra would prove problematic, to say the least.

It's a different story when you trade in secrets.  If anything should be so worth keeping, it needs must also be kept from you.

Veracity, for example.  It has nothing to do with honesty.  Your facial expressions cannot betray a certainty which escapes your grasp.


#11    UniqueWolf

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Posted 27 March 2012 - 11:18 PM

Oh shoot... Now I got to search for electronics before lying! (Joking)
Anyways that looks like it would glitch a lot.





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