multimedia applications and end systems chao-kai ching, george lin, yevgeniy razuvayev dept. of...
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Multimedia applications and end systems
Chao-kai Ching, George Lin, Yevgeniy Razuvayev
Dept. of CS&EThe Ohio State University
Columbus OH 43210(ching.17, lin.539, razuvayev.1)@osu.edu
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Outlines for Today
Introduction: Multimedia & End systems in the future
Things Other than Computers Telesurgery Network based robot Entertainment
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Live TV Over the Internet
Purpose To watch live TV anywhere there is a high speed
internet connection To watch live TV from a far away location such as
another country To watch local TV while away from home
Hardware TV2Me Sling Box Sony LocationFree
Software Orb
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TV2Me
Preprocesses and encodes the video through hardware on the sending side MPEG-4 encoder
Receiver side is software Full Screen TV Quality video at 384 kbps
Point-to-point
Dell PC with a custom video capture board $4750
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TV2Me (Continued)
Source: www.tv2me.com
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MPEG-4
An open international standard for multimedia
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Sling Box
Works like TV2Me Encodes into Microsoft’s Media 9.0 format Video quality worse than TV2Me Works with 802.11b and 802.11g networks Uses a Digital Signal Processor (DSP) made by
Texas Instruments Uses a proprietary steam optimization code-
named “Lebowski” $249.99
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Sony LocationFree
Base station behaves like TV2Me and Sling Box Encodes in MPEG-4 Works with LocationFree TV, PC, or the Sony
PSP Better in-home quality than TV2Me but worse
quality over the internet $349.99, $1499.99 with 12.1 inch LocationFree
TV
Source:www.sonystyle.com
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Orb
Software so no need to buy any hardware Streams digital media from your home PC
Can use TV Tuner on home PC to stream live TV Requires Windows XP Media Center
A free service. Just need to download the software and register an Orb user name and password
Can work with mobile phones and PDAs as well as laptops
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Wireless TV Summary
Hardware or software compresses live TV video and sends it over the internet
TV2Me has best quality over the internet but costs the most
Sling box and LocationFree have lower quality video than TV2Me but are priced for the mainstream market
Orb is a free application and service that uses your home computer to send digital media
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Remote Surgery
What is it? When telerobotic systems meets telecommunication
system• Physical Interaction
Motivation Inconsistent Quality of Surgical Proficiency Convenience CHEAP !!!???
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Remote Surgery
The Robot – ZEUS Two Components
• Surgeon-side
• Patient-side
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Telesurgical System Set Up
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Network Communication
100 base-T ethernet UDP/IP A dedicated 10 Mb/s CBR ATM circuit with OC-3
fiber (155.52 Mbps)
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Things to Transmit
Video – 70% of bandwidth Full-motion phase alternating line video displayed on
a 21’’ high-resolution medical-grade monitor
UDP packet From surgeon to patient
• 152 bytes in size with 128 packets per second From patient to surgeon
• 88 bytes in size with 128 packets per second
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Communication Anomalies
Single- or multiple-bit errors in a packet or Fragment
Dropped packets Delayed packets Out of order packets Their Solutions
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Sources
http://www.tv2me.com/ http://www.pbs.org/cringely/pulpit/pulpit20041028.html http://www.mpegif.org/ http://www.slingmedia.com/ http://www.cnet.com/4520-10602_1-5619284-1.html http://www.broadbandhomecentral.com/report/backissu
es/Report0501_5.html http://tech2.nytimes.com/mem/technology/techreview.h
tml?res=9C02E0DB1E3EF931A35751C1A9629C8B63 http://tech2.nytimes.com/mem/technology/techreview.h
tml?res=9F00E0DB1E3EF931A35751C1A9629C8B63 http://products.sel.sony.com/locationfreetv/flash.html http://www.livedigitally.com/lftv1.html http://www.engadget.com/entry/1234000870047326/ http://www.orb.com/
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Sources cont.
Transforming a surgical robot for human telesurgeryButner, S.E.; Ghodoussi, M.;Robotics and Automation, IEEE Transactions onVolume 19, Issue 5, Oct. 2003 Page(s):818 - 824
Remote surgery case: robot-assisted teleneurosurgeryCai Meng; Tianmiao Wang; Wusheng Chou; Sheng Luan; Yuru Zhang; Zengmin Tian;Robotics and Automation, 2004. Proceedings. ICRA '04. 2004 IEEE International Conference onVolume 1, 2004 Page(s):819 - 823 Vol.1
Transatlantic robot-assisted telesurgery. By: Marescaux, Jacques; Gagner, Michel; Leroy, Joel; Rubino, Francesco; Mutter, Didier; Vix, Michel; Butner, Steven E.; Smith, Michelle K.. Nature, 9/27/2001, Vol. 413 Issue 6854, p379, 2p, 2c;