artificial intelligence lec 1
TRANSCRIPT
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ARTIFICIAL INTELLIGENCE:
UNLOCKING THE NEXT
GENERATION COMPUTING
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ARTIFICIAL INTELLIGENCE
fThe branch of computer science concerned
with making computers behave or think like
humans.
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HISTORY OF AI
f In 1956 John McCarthy regarded as the father of AI,
organized a conference to draw the talent and expertise of
others interested in machine intelligence for a month of
brainstorming. The Dartmouth AI Conference broughtabout those involved in research in AI: John McCarthy
(Dartmouth), Marvin Minsky (Harvard), Nathaniel
Rochester (IBM), and Claude Shannon (Bell Telephone Lab)
brought together researches in computers, natural language
processing, and neuron nets to Dartmouth College.
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HISTORY OF AI
fIn 1956, John McCarthy designed LISP, the
first AI programming language.
fIn 1962, Tim Hart and Mike Levinimplemented the first LISP compiler at MIT
in 1962 for the IBM 704.
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CURRENT SCENARIO IN AI
fCurrently, no computers exhibit full artificial
intelligence ; that is, are able to simulate human
behavior.
fThe greatest advances have occurred in the field ofgames playing. The best computer chess programs are
now capable of beating humans. In May, 1997, an IBM
super-computer called Deep Blue defeated world chess
champion Gary Kasparov in a chess match.
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CURRENT SCENARIO IN AI
fIn the area of robotics, computers are now widely
used in assembly plants, but they are capable only
of very limited tasks.
fCurrently, robots have great difficulty identifying
objects based on appearance or feel, and they still
move and handle objects clumsily.
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CURRENT SCENARIO IN AI
fIn the early 1980s, expert systems were believed to
represent the future of artificial intelligence and of
computers in general.
fTo date, however, they have not lived up to
expectations. Many expert systems help human
experts in such fields as medicine and engineering,
but they are very expensive to produce and are
helpful only in special situations.
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CURRENT SCENARIO IN AI
fToday, the hottest area of artificial intelligence is
neural networks, which are proving success in a
number of disciplines such as voice recognition and
natural-language processing.
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MAJOR AREAS OF AI
CognitiveScience
Expert Systems
Learning Systems Fuzzy Logic
GeneticAlgorithms
NeuralNetworks
Intelligent Agents
Robotics
Visual Perception
Tactility Dexterity
Locomotion
Navigation
NaturalInterface
Natural
Languages SpeechRecognition
MultisensoryInterfaces
Virtual Reality
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COGNITIVE SCIENCE
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COGNITIVE SCIENCE
fArea of AI based on research in biology,
neurology, psychology, mathematics, and
allied disciplines.
fFocus on how the human brain works and
how humans think and learn.
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EXPERT SYSTEM (ES)
fProvide decision support to end users in the
form of advice from an expert consultant in
a specific problem area.fOne of the most practical and widely
implemented applications of artificial
intelligence in business.
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APPLICATION OF EXPERT SYSTEMS
fDecision Management
fLoan portfolio analysis
fEmployee performance evaluation
fInsurance underwriting
fDemographic forecasts
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APPLICATION OF EXPERT SYSTEMS
fDiagnostic/Troubleshooting
fHelp desk operations
fSoftware debugging
fMedical diagnosis
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APPLICATION OF EXPERT SYSTEMS
fMaintenance/scheduling
fMaintenance schedule
fProduction scheduling
fEducation scheduling
fProject management
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BENEFITS OF EXPERT SYSTEMS
fFaster and more consistent
fHave the knowledge of several experts
fDoes not get tired or distracted byoverwork or stress
fPreserve and reproduce the knowledge of
experts
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LIMITATIONS OF EXPERT SYSTEMS
fLimited focus
fInability to learn
fDifficult and costly to develop and maintain
properly
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ROBOTICS
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ROBOTICS
fThe science and technology of robots, their
design, manufacture, and application
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TYPES OF ROBOT
fIndustrial Robot
fDomestic Robot
fHumanoid
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APPLICATION OF INDUSTRIAL ROBOT
fCar production
fPackaging
fElectronics
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APPLICATION OF DOMESTIC ROBOT
fAutomated fruit harvesting
fIn the home
fElder care
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CAPABILITY OF A ROBOT
fPowers of sight, or visual perception
fTactile capabilities, or touch
f
Dexterity, or skill in handling andmanipulation
fLocomotion, or the physical ability to move
fNavigation, or the intelligence to properly
find ones way to a destination
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NATURAL INTERFACE
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NATURAL INTERFACE
fConcern with the development of computer
interaction method that emulate that way
human interact with each other.
fEssential to the natural use of computers by
humans.
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NATURAL LANGUAGE PROCESSING (NLP)
fA sub-area of artificial intelligence
concerned with the interactions between
computers and human (natural) language.fMany problems within NLP apply to both
generation and understanding of human
language.
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MAJOR APPLICATION OF NLP
fNatural Language understanding
fOptical character recognition
fSpeech recognition
fText-to-speech
fText simplification
fText proofing
fForeign language reading aid
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SPEECH RECOGNITION
fThe process of converting an acoustic signal,
captured by a microphone or a telephone, to
a set of words.
fThe recognized words can be the final
results, as for applications such as commands
& control, data entry, and document
preparation.
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APPLICATION OF SPEECH RECOGNITION
fVoice Dialing
fAppliance Control
fSimple Data Entry
fSpeech-to-Text processing
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VIRTUAL REALITY
fComputer simulated reality
which allows us to interact
with computer-simulatedobjects, entities, and
environments as if they
actually exists.
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VIRTUAL REALITY APPLICATION
f Scientific Experimentation
f Flight simulation
f Product demonstration
f Employee training
f Entertainment
f Computer-aided design
f Medical diagnostics and treatment