Slashdot Mirror


Smart Cameras Detect Crime, Erode Privacy

MattSparkes writes "Smart surveillance systems could identify crimes as they take place, if a computer vision system developed at the University of Texas goes into production. The system is capable of classifying behaviour as friendly or violent. In the past there have been attempts to spot unusual behaviour, but this required subsequent user classification. These new systems may keep us more secure, but is it worth sacrificing our privacy for? And will we see false positives, where police cars screech to a halt beside hugging couples?"

9 of 223 comments (clear)

  1. Just because someone pushes or punches... by garcia · · Score: 5, Insightful

    A computer vision system developed in the University of Texas in Austin, US, can already tell the difference between friendly behaviour, such as shaking hands, and aggressive actions like punching or pushing.

    Just because someone pushes or punches someone else, doesn't mean it isn't friendly. Would be flicking off a friend be considered an aggressive act?

    Let's leave this sort of shit to human judgment instead of relying on cameras all the time. We really don't need to be going down this road.

    1. Re:Just because someone pushes or punches... by richg74 · · Score: 5, Insightful
      From TFA:
      On average, the system was 80% accurate at identifying these activities correctly.

      That figure is for "staged interactions", which are likely to be more exaggerated / less ambiguous than "real life", unless they were performed by accomplished actors (meaning someone that could convincingly portray the actions to a human audience). They are also likely to have less irrelevant random "background noise".

      Just because someone pushes or punches someone else, doesn't mean it isn't friendly.

      Indeed. As it happens, I recently met a friend from college, who I haven't seen for a few years, in front of a cafe in town. He ran up and gave me a huge bear hug. I wouldn't be at all surprised if the system thought he was mugging me.

  2. Easily solveable by eln · · Score: 4, Funny

    And will we see false positives, where police cars screech to a halt beside hugging couples?

    This is easily solvable by splitting behavior into 3 different types: Normal, dangerous, and HOT!

    This could revolutionize the webcam industry.

  3. Privacy? by yourestupidjerks · · Score: 4, Insightful

    Do people really have an expecation of privacy while in a public area? Should I expect to be able to walk down the street with my dick hanging out of my pants screaming "FREE SPEECH! FREE SPEECH!" at the top of my lungs and not expect any repercussions?

    1. Re:Privacy? by dr_dank · · Score: 4, Funny

      Should I expect to be able to walk down the street with my dick hanging out of my pants screaming "FREE SPEECH! FREE SPEECH!" at the top of my lungs

      Many don't know that you really can shout "Fire!" in a crowded theater if you have your dick hanging out of your pants.

      Try it and see!

      Fun Fact: Thomas Jefferson wrote the entire Declaration of Independence with his dick hanging out of his pants.

      --
      Where does the school board find them and why do they keep sending them to ME?
  4. Some Dostoevsky by Mateo_LeFou · · Score: 5, Insightful

    "He's written a good thing in that manuscript," Verhovensky went on. "He suggests a system of spying. Every member of the society spies on the others, and it's his duty to inform against them. Every one belongs to all and all to every one. All are slaves and equal in their slavery. In extreme cases he advocates slander and murder, but the great thing about it is equality. To begin with, the level of education, science, and talents is lowered. A high level of education and science is only possible for great intellects, and they are not wanted. The great intellects have always seized the power and been despots. Great intellects cannot help being despots and they've always done more harm than good. They will be banished or put to death. Cicero will have his tongue cut out, Copernicus will have his eyes put out, Shakespeare will be stoned--that's Shigalovism. Slaves are bound to be equal. There has never been either freedom or equality without despotism, but in the herd there is bound to be equality, and that's Shigalovism! Ha ha ha! Do you think it strange?

    http://etext.library.adelaide.edu.au/d/dostoyevsky /d72p/chapter13.html

    --
    My turnips listen for the soft cry of your love
  5. Re:Half Life 2 by inviolet · · Score: 4, Interesting
    I'm sorry, but having some algorithm deduce whether or not my behavior is acceptable is over the limit.

    And what, pray tell, do you think the policeman's brain is executing when he is deciding whether or not to accost you?

    At least with a robotic police force, the algorithms can be standardized, QA'd, reviewed, perhaps even open-sourced.

    --
    FATMOUSE + YOU = FATMOUSE
  6. Re:Are these in public places? by hazem · · Score: 4, Insightful

    How can it be a free society when there is ubiquitous surveillance and police presence? How can people be free when they are afraid that any abberation in behavior will bring police action upon them?

    You don't have arrest and prosecute to squash free speech and free assembly. You just have to have persistent police investigations and police "harassment".

    Why would you even want to live in a society like that?

  7. Re:Not really eroding privacy by 99BottlesOfBeerInMyF · · Score: 4, Insightful

    ...but is it reasonable to have an expectation of privacy on the street? A tourist can snap pictures all day long and that doesn't erode privacy.

    It is not reasonable to expect that your actions in public will be kept private from other private citizens in a public area, as that would be taking away the rights of other citizens in order to provide you with privacy. The government, however, is not a private citizen and has no rights. It exists only to serve the people. In order to spend my tax dollars and intrude on the privacy of the people, they need to show a reasonable cause. Blanket surveillance under the assumption that you might be about to commit a criminal act does not meet those criteria.