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Modelling of perception

: Roth-Koch, S.

Bártolo, P.J. ; Instituto Politécnico de Leiria -IPL-, Escola Superior de Tecnologia e Gestao:
Virtual Modeling and Rapid Manufacturing : Advanced Research in Virtual and Rapid Prototyping. Proceedings of the 2nd International Conference on Advanced Research and Rapid Prototyping. Leiria, Portugal, 28 September-1 October, 2005
London: Taylor & Francis, 2005
ISBN: 0-415-39062-1
International Conference on Advanced Research in Virtual and Rapid Prototyping (VR@P) <2, 2005, Leiria, Portugal>
Conference Paper
Fraunhofer IPA ()
virtual reality; virtual modeling; fuzzy; CAD-Modelldaten; Simulation; CAD

Within the concurrent design and manufacture a new trend is rapidly emerging: a shift towards the virtual reality. Thus, the virtual product model in its different stages is an essential prerequisite for the virtual modelling of processes and their virtual simulation. Product design starts with conceptual design including the concepts for shape and function. The conceptual designers work on fuzzy product data applied to perception modelling and shape creating. Fuzziness means different aspects: the shape of the product is interpreted in scribbles which are partly coloured, handmade patterns, verbal descriptions, photographs and montages etc., which define the appearance and the function of the product. In the paper we will suppose a method to create virtual models out of scribbles which construe the perception of the subject. The mathematical basis is given by Interval Fuzzy-Splines. The method combines an image-based modelling system with usual CAD modelling strategies.