Mining Human Shape Perception with Role Playing Games

Abstract

Games with a purpose’ is a paradigm wheregames are designed to computationally capture the essence of theunderlying collective human conscience or commonsense thatplays a major role in decision-making. This human computingmethod ensures spontaneous participation of players who, asa byproduct of playing, provide useful data that is impossibleto generate computationally and extremely difficult to collectthrough extensive surveys. In this paper we describe a gamethat allows us to collect data on human perception of characterbody shapes. The paper describes the experimental setup, relatedgame design constraints, art creation, and data analysis. Inour interactive role-playing detective game titled Villain Ville,players are asked to characterize different versions of fullbodycolor portraits of three villain characters. They are latersupposed to correctly match their character-trait ratings toa set of characters represented only with outlines of primitivevector shapes. By transferring human intelligence tasks into coregame-play mechanics, we have successfully managed to collectmotivated data. Preliminary analysis on game data generatedby 50 secondary school students shows a convergence to somecommon perception associations between role, physicality andpersonality. We hope to harness this game to discover perceptionfor a wide variety of body-shapes to build up an intelligent shapetrait-role model, with application in tutored drawing, proceduralcharacter geometry creation and intelligent retrieval

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