1/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Marc Parenthoën, Jacques Tisseau, Thierry Morineau Autonomy and Proactive Perception for Virtual Actors Laboratory of Software Ingeneering Li2, EA 2215 UBO/ENIB, BREST, FRANCE Research Group in Informatics and Cognition GRESICO, UBS/IUP, VANNES, FRANCE

2/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 virus interaction immersion 3D-movie flight simulator presence video-game 01 1 autonomy 1 VR : History virtual theatre interactive fiction in virtuo virtual reality

3/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Plan o Autonomy by Conviction o Affordance-Based FCM o Virtual Proactive Perception Principle of autonomy for behovioral model Behavior specification and control Simulation, active perception and prediction o Implementation of a Virtual Skipper

4/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Animation what IS the model Simulation what does the model DO Modelling What BECOMES of the model Model senseaction language real timeinteractive on line Exploitation of Models

5/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 model Numerical Simulation model Interactive Simulation model Participative Simulation avatar equal/equal slave/master master/slave actor spectator cre-actor interactive simulation action real time animation sense on line modelling language interactivity User Status

6/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Deficiencies o sensorial o motor o mental  loss of autonomy Abilities o of perception o of action o of decision Autonomy o of execution Towards Intrinsic Autonomous Models

7/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Multi-Agent Systems perception action decision Numerical model o descriptive o causal o behavioral

8/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 VOWELS o Agent o Environment o Interaction o Organisation “extended” VOWELS o User model A E I O avatar U Participative Multi-Agent Systems

9/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 FCMs [Kosko86] o specify o control Behavioral Modelling close enemy far enemy wish to escape fear AGENTFCM effectorsactions defuzzyfication sensorsperceptions fuzzyfication Decision Dynamics o model perception

10/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Plan o Autonomy by Conviction o Affordance-Based FCM o Virtual Proactive Perception o Implementation of a Virtual Skipper

11/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Psychological Model of Activity Affordances [Gibson77] o environment-tool-agent o absolute value o relative value accessibility level (perceptual/motor) o selection via FCM sensation=Fuzzyfication(sensors) attractive or repulsive effect perception=Dynamics(FCM)

12/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Affordance-Based FCM Construction o concepts=affordances o extern activation=absolute value o selection via FCM perception=dynamics(FCM) o strategy of trajectory virtual sensors + fuzzy rules given by expert associated with selected affordance

13/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Plan o Autonomy by Conviction o Affordance-Based FCM o Virtual Proactive Perception o Implementation of a Virtual Skipper

14/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Active Perception [Berthoz 88] comparison real/simulated behavior modification sensorimotor inputs effector command operators on state variables inner maps operations input switch output switch } projective } conservative

15/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 projection modification simulation and adaptation sensors effectors FCM selects affordance comparison/ anticipation sequence of postures HF LF Virtual Proactive Perception simulation in the simulation active perception, anticipation, simulation and learning selection sensors effectors comparison/ anticipation FCM learns affordances sequence of postures HF hebb

16/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Plan o Autonomy by Conviction o Affordance-Based FCM o Virtual Proactive Perception o Implementation of a Virtual Skipper

17/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Affordance-Based FCMs Construction Obstacle Jibe-Luff Gateway VMG Gateway Restart Obstacle Luff Specific No Surf Specific Surf Landmark Gyroscope Landmark Trim +1

18/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Human and Virtual Helmsmans associated to each affordance, part of strategy

19/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 European Center of Virtual Reality (CERV) CERV … Brest, september 2003

20/20 Systemics, Cybernetics and Informatics Orlando, Florida, July 14-18, 2002 Marc Parenthoën, Jacques Tisseau, Thierry Morineau Autonomy and Proactive Perception for Virtual Actors Laboratory of Software Ingeneering Li2, EA 2215 UBO/ENIB, BREST, FRANCE Research Group in Informatics and Cognition GRESICO, UBS/IUP, VANNES, FRANCE