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Video911

Video911. Turadg Aleahmad. Scenario 1. You’re walking down 4 th street You notice a menacing figure following you She demands your wallet. You give it to her End of story. Scenario 2. You’re walking down 4 th street You notice a menacing figure following you

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Video911

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  1. Video911 Turadg Aleahmad NGI Summer Research, University of California at Berkeley

  2. Scenario 1 • You’re walking down 4th street • You notice a menacing figure following you • She demands your wallet NGI Summer Research, University of California at Berkeley

  3. You give it to her • End of story NGI Summer Research, University of California at Berkeley

  4. Scenario 2 • You’re walking down 4th street • You notice a menacing figure following you • You open your mobile phone and activate Video911 NGI Summer Research, University of California at Berkeley

  5. He tries to steal your software • You inform him he is live on camera being transmitted to the police • He’s already in trouble with the Justice Department so he leaves you alone NGI Summer Research, University of California at Berkeley

  6. Motivation • Four things proliferating: • Guns • Surveillance cameras • Fast wireless • Camera-endowed mobile phones NGI Summer Research, University of California at Berkeley

  7. Now • Guns increase likelihood of violence • Ubiquitous surveillance erodes civil liberties (and doesn’t work so well) • Then what? NGI Summer Research, University of California at Berkeley

  8. With Video911 • Strictly defensive • More “Little Brother” than Big Brother NGI Summer Research, University of California at Berkeley

  9. Overview • User streams scene to secure location • Operators there monitor the situation • If the user is harmed, the operator is alerted and the device continues to transmit NGI Summer Research, University of California at Berkeley

  10. Prototype • JMF applications • RMI messaging • H.263 codec (RFC2190, RFC2429) • RTP transmission (RFC1889, RFC2198) • Let’s see it NGI Summer Research, University of California at Berkeley

  11. Evaluation • Simple idea • Open protocols • Bandwidth (PCS Vision: 70, 3G: 384) • Infrastructure NGI Summer Research, University of California at Berkeley

  12. Future • SOAP RPC • Audio channel • Switchboard interface and scalability • GPS positioning • PKS secure channel (auth + crypt, CA) • Server-side face matching • Client-side face optimization, Infrared • Privacy issues (eg. scrambling, expiring) NGI Summer Research, University of California at Berkeley

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