Forcing neurocontrollers to exploit sensory symmetry through hard-wired modularity in the game of Cellz

Julian Togelius, Simon M. Lucas

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    Several attempts have been made in the past to construct encoding schemes that allow modularity to emerge in evolving systems, but success is limited. We believe that in order to create successful and scalable encodings for emerging modularity, we first need to explore the benefits of different types of modularity by hard-wiring these into evolvable systems. In this paper we explore different ways of exploiting sensory symmetry inherent in the agent in the simple game Cellz by evolving symmetrically identical modules. It is concluded that significant increases in both speed of evolution and final fitness can be achieved relative to monolithic controllers. Furthermore, we show that simple function approximation task that exhibits sensory symmetry can be used as a quick approximate measure of the utility of an encoding scheme for the more complex game-playing task.

    Original languageEnglish (US)
    Title of host publicationIEEE 2005 Symposium on Computational Intelligence and Games, CIG'05
    Pages37-43
    Number of pages7
    StatePublished - 2005
    Event2005 IEEE Symposium on Computational Intelligence and Games, CIG'05 - Colchester, Essex, United Kingdom
    Duration: Apr 4 2005Apr 6 2005

    Other

    Other2005 IEEE Symposium on Computational Intelligence and Games, CIG'05
    CountryUnited Kingdom
    CityColchester, Essex
    Period4/4/054/6/05

    ASJC Scopus subject areas

    • Artificial Intelligence
    • Human-Computer Interaction
    • Software

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  • Cite this

    Togelius, J., & Lucas, S. M. (2005). Forcing neurocontrollers to exploit sensory symmetry through hard-wired modularity in the game of Cellz. In IEEE 2005 Symposium on Computational Intelligence and Games, CIG'05 (pp. 37-43)