Collaboration and Grid Technologies
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Transcript of Collaboration and Grid Technologies
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Collaboration and Grid Technologies
Parvati Dev, PhD
Director, SUMMIT
Stanford University School of Medicine
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Physicians do not work alone
From Fotosearch and Web
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The Operating Room
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People around a table
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Observing a demonstration
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Modes of collaboration
• Videoconference
• Sharing data and objects
• Immersion in data or environment
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Videoconference H.323 - multiple sites
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Multiple HD streams
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Access Grid -multiple streams from multiple sites
From Univ. of Michigan, Ann Arbor
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AccessGrid.org
• Metaphor of “rooms” with meeting schedules
• Uses– VIC– RAT
• Multicast
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Access Grid
• Good video of people
• No sense of space
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The impact of metaphor
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“Immersive telepresence”
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Two classrooms - linked
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Linking multiple cities
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Change the abstraction from conference to other venue
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Surgery
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Bandwidth
Cisco
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Sharing data in real time
• Document, whiteboard, image
• Powerpoint slide
• Shared application
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Document and object camera
Allows you to grab content other than from your screen
Object (skull) - show anything, not just paper
Live experiment
Usually allows screen capture to a jpeg image
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Share an application - Powerpoint
Some data types can be shared
Your slide transmitted as an image
Downloaded slides controlled by speaker
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Share any application - VNC
• Vnc supports a shared desktop
• Anything on your screen can be seen by all others linked to your computer
• Any person can control what is on your screen
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Sharing an application -California and Australia doing simulated surgery
Internet 2
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Collaboration architecture
Image library and 3D models
Displayserveron the Net
Client Client Client Client
Image is pushed to any client who logs on
All clients have cursor control of tools
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From screen viewing of data to immersion in the data
Virtual world
Group is instantiated instead of abstract
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Virtual Emergency Room
• User accesses “behaviors” through menu• Patient physiology is small set of rules• Interactive scenario is followed by debrief
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Virtual emergency team
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Collaboration with large display
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Virtual Hospital