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Laboratoire d'Informatique Industrielle

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Orlando, Florida, July 14-18, 2002. Marc Parentho n, Jacques ... Implementation of a Virtual Skipper. 4 /20 {parenthoen,tisseau}_at_enib.fr morineau_at_univ-ubs.fr ... – PowerPoint PPT presentation

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Title: Laboratoire d'Informatique Industrielle


1
Laboratory of Software Ingeneering Li2, EA 2215
UBO/ENIB, BREST, FRANCE
Research Group in Informatics and
Cognition GRESICO, UBS/IUP, VANNES, FRANCE
Autonomy and Proactive Perception for Virtual
Actors
Marc Parenthoën, Jacques Tisseau, Thierry
Morineau
2
VR History
in virtuo
presence
3
Plan
  • Autonomy by Conviction

Principle of autonomy for behovioral model
  • Affordance-Based FCM

Behavior specification and control
  • Virtual Proactive Perception

Simulation, active perception and prediction
  • Implementation of a Virtual Skipper

4
Exploitation of Models
what IS the model
what does the model DO
Animation
Simulation
Model
Modelling
What BECOMES of the model
5
User Status
cre-actor
actor
spectator
6
Towards Intrinsic Autonomous Models
  • Deficiencies
  • sensorial
  • motor
  • mental
  • Abilities
  • of perception
  • of action
  • of decision
  • Autonomy
  • of execution

? loss of autonomy
7
Multi-Agent Systems
  • Numerical model
  • descriptive
  • causal
  • behavioral

8
Participative Multi-Agent Systems
  • VOWELS
  • Agent
  • Environment
  • Interaction
  • Organisation
  • extended VOWELS
  • User

9
Behavioral Modelling
FCMs Kosko86
  • specify
  • control
  • model perception

Dynamics
Decision
10
Plan
  • Autonomy by Conviction
  • Affordance-Based FCM
  • Virtual Proactive Perception
  • Implementation of a Virtual Skipper

11
Psychological Model of Activity
Affordances Gibson77
  • environment-tool-agent

attractive or repulsive effect
  • absolute value

sensationFuzzyfication(sensors)
  • relative value

accessibility level (perceptual/motor)
  • selection via FCM

perceptionDynamics(FCM)
12
Affordance-Based FCM Construction
  • conceptsaffordances

given by expert
  • extern activationabsolute value

virtual sensors fuzzy rules
  • selection via FCM

perceptiondynamics(FCM)
  • strategy of trajectory

associated with selected affordance
13
Plan
  • Autonomy by Conviction
  • Affordance-Based FCM
  • Virtual Proactive Perception
  • Implementation of a Virtual Skipper

14
Active Perception Berthoz 88
15
Virtual Proactive Perception
active perception, anticipation, simulation and
learning
simulation in the simulation
16
Plan
  • Autonomy by Conviction
  • Affordance-Based FCM
  • Virtual Proactive Perception
  • Implementation of a Virtual Skipper

17
Affordance-Based FCMs Construction
18
Human and Virtual Helmsmans
  • associated to each affordance,
  • part of strategy

19
European Center of Virtual Reality(CERV)
Brest, september 2003
20
Laboratory of Software Ingeneering Li2, EA 2215
UBO/ENIB, BREST, FRANCE
Research Group in Informatics and
Cognition GRESICO, UBS/IUP, VANNES, FRANCE
Autonomy and Proactive Perception for Virtual
Actors
Marc Parenthoën, Jacques Tisseau, Thierry
Morineau
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