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System Integration & Interactive Visualization

협업 환경 구축 기술 및 AGK Workshop Oct. 22, 2008 일시 : ‘08. 10. 22. 15:00-16:00 장소 : C213. System Integration & Interactive Visualization. Networked Media Laboratory Dept. of Information & Communications Gwangju Institute of Science & Technology (GIST). Contents. System Integration

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System Integration & Interactive Visualization

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  1. 협업 환경 구축 기술 및 AGK WorkshopOct. 22, 2008 일시: ‘08. 10. 22. 15:00-16:00 장소: C213 System Integration & Interactive Visualization Networked Media Laboratory Dept. of Information & Communications Gwangju Institute of Science & Technology (GIST)

  2. Contents • System Integration • 다양한 협업 솔루션들을 동일한 인터페이스를 통해 이용할 수 있는 협업 환경을 구성한다 • Unified Meeting Space • Display/Audio/Control Integration • Video Presence type HD media • Interactive Visualization

  3. System Integration & Interactive Visualization

  4. Unified Meeting Space • Motivation

  5. Unified Meeting Space • Vision

  6. Display Integration • PC와 Polycom의 디스플레이 출력을 하나의 공용디스플레이 상에 표현 • PC 디스플레이 • RGB 혹은 DVI, HDMI 출력을 해당 인터페이스를 제공하는 모니터에 연결해 디스플레이 • Polycom디스플레이 • 일반적으로 TV 를 통해 디스플레이 • Result • PC의 디스플레이 출력을 VNC를 이용해 공용 디스플레이 상에 가시화 • Polycom의 디스플레이 출력을 공용 디스플레이 상에 가시화 • Polycom의 디스플레이 출력을 Access Grid의 비디오 입력으로 활용

  7. Audio Integration • 오디오 입/출력 인터페이스 통합 • PC와 Polycom등의 오디오 입/출력 인터페이스를 통합하여 하나의 입/출력 인터페이스로 다수의 장치의 오디오 입출력을 이용할 수 있도록 한다 • Requires Audio Mixer, Echo Canceller

  8. Control Integration • Integrate control using KVM (Keyboard, Video and Mouse) • Use KVM over NET • Control interfaces are connected using lan cable • Advantage • Flexible configuration • Access through Internet

  9. Demonstration

  10. Meeting Room Configuration&Contents • Video Presence • System Integration • Access Grid • Polycom • Interactive Visualization

  11. Networked Tiled Display Machine cluster, graphics accelerators, Displays An affordable, multi-megapixel display

  12. Networked Tiled Display • SAGE (Scalable Adaptive Graphics Environment) • Addressing the need to support scalability by decoupling graphics rendering from graphics display. • 디스플레이 방식: 픽셀 기반 스트림 전송 • 별도 고성능 그래픽 카드 필요 없음 • 고해상도로 미디어를 스트리밍을 위한 네트워크 대역폭 제한 • CGLX • OpenGL 어플리케이션을 타일드 디스플레이에서 고속으로 출력 • 디스플레이 방식: OpenGL 스트림 전송 • OpenGL 어플리케이션의 고해상도 디스플레이(고속), 네트워크 대역폭 감소 • 모든 디스플레이 클러스터에 고성능 그래픽카드 필요

  13. Networked Tiled Display • (SAGE) Networked Tiled Display Configuration

  14. Video Presence • Sharing Video Presence type High-definition media • Transmit multiple HD streams simultaneously and display over high-resolution tiled networked display

  15. Scenario • AccessGrid and Polycom at the same time • Use one mic. and speaker • Use tiled display as a common display • Configurations • Remote party of AccessGrid: NMR (1st floor) • Remote party of Polycom (Netmeeting): C208 (2nd floor)

  16. Desktop Sharing • VNC VIEWER • Regular VNC viewer program modified to serve as a proxy between a VNC server (of any size and pixel depth) • Easy to use • Low quality • Windows Desktop Sharing Application (WSHARE) • Application based on software for sharing desktop screen • Play seamless video and don’t need extra machine • Support DXT compression • Requires high-performance machine • Scalable Video Tool (SVT) • Application based on windows for transmitting uncompressed HD video through HDMI • Requires devices to covert and capture desktop screen as HDMI input • Best quality

  17. Interactive Visualization • Brain visualization • 3D brain mesh • MRI (magnetic resonance imaging) • EIT (Electrical Impedance Tomography) • Interaction with brain image • Contents selection interaction • MRI slice images and EIT images • Preference images selection • 3D brain object manipulation • View control interaction • Position and Size control of the contents

  18. Interactive Visualization

  19. Gwangju Institute of Science & Technology Thank you! Send Inquiry tojongwon@nm.gist.ac.kr http://nm.gist.ac.kr

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