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  1. 1. A Collaborative Pervasive Surveillance System (COPS) based on low bit-rate video Supervised by Prof. Shueng Han Gary Chan Presented by Ho Chi Wang, Jody Tsang Yiu Wing, Wing Yiu Ching Chak, Billy
  2. 2. Overview of Presentation <ul><li>Background and Importance </li></ul><ul><li>Work from Previous FYPs </li></ul><ul><li>System Architecture </li></ul><ul><li>System Functionalities </li></ul><ul><li>Conclusion </li></ul><ul><li>Quick COPS Demonstration </li></ul><ul><li>Question and Answer </li></ul>Tsang Yiu Wing, Wing Ho Chi Wang, Jody Yiu Ching Chak, Billy
  3. 3. Background and Importance <ul><li>Problems of Existing Video Surveillance System </li></ul><ul><ul><li>Huge manipulation cost </li></ul></ul><ul><ul><li>Intensive human involvement </li></ul></ul><ul><ul><li>Location-restricted </li></ul></ul><ul><li> Collaborative and Pervasive </li></ul><ul><li>Our Group </li></ul><ul><ul><li>Designed system architecture </li></ul></ul><ul><ul><li>Implemented core parts of COPS </li></ul></ul>Tsang Yiu Wing, Wing Ho Chi Wang, Jody Yiu Ching Chak, Billy
  4. 4. Work from Previous FYPs Ho Chi Wang, Jody Tsang Yiu Wing, Wing Yiu Ching Chak, Billy <ul><li>Not fulfill the requirements for the COPS </li></ul><ul><ul><li>Only two components </li></ul></ul><ul><ul><ul><li>Centralized Server </li></ul></ul></ul><ul><ul><ul><li>Simple Client </li></ul></ul></ul><ul><ul><ul><li> Not effectively use the resources </li></ul></ul></ul><ul><ul><ul><li> Not achieve a collaborative system </li></ul></ul></ul><ul><ul><li>Not optimized settings </li></ul></ul><ul><li>Not maintainable and flexible for extension </li></ul><ul><ul><li>Code-and-Fix strategy </li></ul></ul><ul><ul><li>Highly coupled modules </li></ul></ul><ul><li>Lack of project management and documentation </li></ul>
  5. 5. System Architecture – Overview <ul><li>Our COPS - Distributed System Architecture was adopted </li></ul><ul><ul><li>Real-time Video Streaming Server </li></ul></ul><ul><ul><li>Application-Level Multicast Server </li></ul></ul><ul><ul><li>Video Storage Server </li></ul></ul><ul><ul><li>Web-based Image Server </li></ul></ul><ul><ul><li>Dialogic Board Server </li></ul></ul><ul><ul><li>Intelligent Client </li></ul></ul>Ho Chi Wang, Jody Tsang Yiu Wing, Wing Yiu Ching Chak, Billy
  6. 6. System Architecture – Pictorial View Ho Chi Wang, Jody Tsang Yiu Wing, Wing Yiu Ching Chak, Billy
  7. 7. System Architecture – Server and Client Structure <ul><li>Layered Model – 3 layers was introduced </li></ul><ul><li>A set of well-defined interfaces between modules </li></ul><ul><li>Implemented as Dynamic Link Library (DLL) </li></ul>Network Streaming Server Intelligent Client Network Encoder Decoder GUI Capture Intrusion GUI Ho Chi Wang, Jody Tsang Yiu Wing, Wing Yiu Ching Chak, Billy
  8. 8. <ul><li>Real-time Streaming Server </li></ul><ul><ul><li>Multiple camera supports </li></ul></ul><ul><ul><li>Video encoding – H.263+ </li></ul></ul><ul><ul><ul><li>30 fps for QCIF </li></ul></ul></ul><ul><ul><ul><li>15 fps for CIF </li></ul></ul></ul><ul><ul><li>Video streaming – UDP, RTP and TCP </li></ul></ul><ul><ul><li>Intrusion detection and event-driven alert service </li></ul></ul>System Functionalities – Streaming Server Yiu Ching Chak, Billy Ho Chi Wang, Jody Tsang Yiu Wing, Wing
  9. 9. <ul><li>Client-side Real-time Monitor </li></ul><ul><ul><li>Video decoding – H.263+ </li></ul></ul><ul><ul><li>UDP, RTP and TCP </li></ul></ul><ul><ul><li>Intrusion detection alert </li></ul></ul><ul><ul><ul><li>Alarming sound </li></ul></ul></ul><ul><li>Storage Server Video Playback </li></ul><ul><ul><li>Video sequence searching </li></ul></ul><ul><li>File Playback </li></ul><ul><ul><li>Multiple video format support </li></ul></ul><ul><ul><li>H.263+, RGB, YUV </li></ul></ul>System Functionalities – Intelligent Client Yiu Ching Chak, Billy Ho Chi Wang, Jody Tsang Yiu Wing, Wing
  10. 10. <ul><li>User Friendly Interface </li></ul><ul><ul><li>Multiple camera previews </li></ul></ul><ul><ul><li>Detailed event log </li></ul></ul><ul><ul><li>Information display – fps, bps </li></ul></ul><ul><ul><li>Icon menu </li></ul></ul><ul><ul><li>Intrusion detection region settings </li></ul></ul><ul><ul><li>Detailed system settings </li></ul></ul>System Functionalities – Graphical User Interface Yiu Ching Chak, Billy Ho Chi Wang, Jody Tsang Yiu Wing, Wing Server Client
  11. 11. <ul><li>Successful System Re-engineering </li></ul><ul><ul><li>A whole system architecture is designed </li></ul></ul><ul><ul><li>The system is modulized according to functionalities </li></ul></ul><ul><ul><li>Changes to each modules can be isolated </li></ul></ul><ul><ul><li>Functions-rich and high performance system is developed </li></ul></ul><ul><li>Good Project Management and Documentations </li></ul>Conclusion – Major Accomplishments Tsang Yiu Wing, Wing Ho Chi Wang, Jody Yiu Ching Chak, Billy
  12. 12. <ul><li>Enhancing Video Encoding and Decoding Scheme </li></ul><ul><ul><li>H.264 – real-time video streaming with DVD quality </li></ul></ul><ul><li>Improving the service in the network module </li></ul><ul><ul><li>Support quality of service (QoS) </li></ul></ul><ul><ul><li>Enhance security service of the system </li></ul></ul>Conclusion – Future Extension Tsang Yiu Wing, Wing Ho Chi Wang, Jody Yiu Ching Chak, Billy
  13. 13. Quick COPS Demonstration Tsang Yiu Wing, Wing Ho Chi Wang, Jody Yiu Ching Chak, Billy
  14. 14. Question and Answer Tsang Yiu Wing, Wing Ho Chi Wang, Jody Yiu Ching Chak, Billy
  15. 15. FYP Demonstration <ul><li>Date </li></ul><ul><ul><li>8, May 2004 (Saturday) </li></ul></ul><ul><li>Time </li></ul><ul><ul><li>11:00AM – 12:00PM </li></ul></ul><ul><li>Venue </li></ul><ul><ul><li>Pervasive Lab (Room 4203) </li></ul></ul><ul><li>COPS Official Website </li></ul><ul><ul><li>http://mwnet.cs.ust.hk/cops </li></ul></ul>T HANK Y OU

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