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INTRODUCTION
o Machine centred.
o We are serving them.
o Difficult to use.
o Right now, Computers have required us to interact with them
ontheir own terms and speak their language
o Solution is OXYGEN.
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WHAT IS OXYGEN ??
o Bringing abundant computation and communication, as
pervasiveand free as air, naturally into people's lives.
o Computation will be
o human-centered.
o freely available everywhere, like batteries and power sockets,
or oxygenin the air we breathe.
o configurable generic devices, either handheld or embedded,
will
bring computation to us, irrespective of our location.
o We won't have to type, click, or learn new computer
jargon.
o Instead, we'll communicate naturally, using speech and
gestures
that describe our intent
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CHALLENGES...o Pervasive
o embedded
o nomadic
o adaptable
o powerful, yet efficient
o intentional
o Eternal
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TECHNOLOGIES...o Oxygen device technologies
o H21- Hand heldo E21- Embedded
o Oxygen network technologieso N21- Network
o Oxygen software technologies
o Oxygen perceptual technologieso Visiono Speech
o Oxygen user technologieso Knowledge Accesso Automationo
Collaboration
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DEVICE TECHNOLOGIES...o H21 Or HANDY21
o anonymous devices that do not carry a large amount of
permanent local state
o they configure themselves through software to be used in a
wide range ofenvironments for a wide variety of purposes.
o customize itself to the user's preferred configuration
o contain board-level antennas that enable them to couple with a
wirelessN21 network, embedded E21, or nearby H21s to form
collaborativeregions
o H21s can serve as cellular phones, beepers, radios,
televisions,geographical positioning systems, cameras, or PDAs
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H21
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DEVICE TECHNOLOGIES...
o E21o Environmental devices, together called an E21, provide a
local-area
computational and communication back-plane for an intelligent
space.
o E21s are connected to nearby sensors, actuators, and
appliances, suitablyencapsulated in physical objects.
o communicate with each other and with nearby H21s
throughdynamically configured networks N21s.
o provide sufficient computational power throughout the
environmento to communicate with people using natural perceptual
resources, such as speech
and vision,
o to support Oxygen's user technologies wherever people may be,
and
o to monitor and control their environment.
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Devices usedin E21
Antenna
printer
camera
microphones
projector
display
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NETWORK TECHNOLOGIES...
oN21
o They configure and reconfigure themselves automatically
o Networks route heterogeneous traffic efficiently,
o N21s, connect dynamically changing configurations of
self-identifying mobile andstationary devices.
o integrate different wireless, terrestrial, and satellite
networks into one seamlessinternet
o Through algorithms, protocols, and middleware, they deal
with
o Configuration of Collaborative regions
o Resource and location discovery
o Security
o Adaptation
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NETWORK TECHNOGIES...
o NetworkTodayo Grid
o Span
o Chord
o Intentional Naming System (INS)
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INS WORKINGIntentional name
Intentional name resolvers
form an overlay network
Late binding: integrate resolution and message routing
image
Lookup
camera510.lcs.mit.edu
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SOFTWARE TECHNOLOGIES...
o Software infrastructureso MetaGlue
o CORE
o Click
o SUDS
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PERVASIVE TECHNOLOGIES...
oSPEECHo Humans communicate with computers, in much the same way
they communicate
with one another, using speech.
o without having to remember a URL, search through the Web for a
pointer to a
document, or use keyword search engines.
o provides a number of limited-domain interfaces, as well as
mechanisms for users tonavigate effortlessly from one domain to
another
o The spoken language subsystem is an integral part ofOxygen's
infrastructure, not
just a set of applications or external interfaces
o Four components
o Speech recognition
o Language understanding
o Language generation
o Speech synthesis
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Conversational system architecture
oGalaxy
oSUMMIToTINA
odialog manager
oGENESIS
oENVOICE
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PERVASIVE TECHNOLOGIES...oVISION
o say "show it to me there," turning their heads or pointing
with their arms toindicate where.
o using facial expressions and gestures, without having to
express everythingin words.
o Computers recognize and classify features and actions
o They detect patterns and object interactionso The visual
processing system contains
o visual perception
o visual rendering
o Components
o Object recognition
o Activity monitoring and classification
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USER TECHNOLOGIES...
o Oxygen user technologies include:
oAutomation technologies:o which offer natural, easy-to-use, and
adaptive mechanisms for
automating and tuning repetitive information and control
tasks.
o Collaboration technologieso which enable the formation of
spontaneous collaborative regions that
accommodate the needs of highly mobile people and
computations.
o They also provide support for recording and archiving speech
and videofragments from meetings.
o Knowledge access technologieso which offer greatly improved
access to information, according to the
needs of people, applications, and software systems.
o They allow users to access their own knowledge bases
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SCENARIOS...
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Other Applications
oBusiness applications
oMedical field
oEducation
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CONCLUSIONS...o ProjectOxygen is a project to build a human
centered, pervasive computer.
o It is a $50 mn project sponsored by oxygen alliance which
includes
o Acer Inc.,
o Delta Electronics Inc.,
o
Hewlett-Packard Co.,o Nippon Telegraph and Telephone Corp.,
o Nokia Corp. and
o Philips Research, a unit of Koninklijke Philips Electronics
N.V.
o Started in 1999, but not yet completed.
o Concept of N21 and INS are very difficult to be practical.
o Answers to many questions yet to be revealed!!!
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REFERENCES...
http://www.oxygen.lcs.mit.edu
http:// WIKIPEDIA.org
http://www.cnn.com
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