Abstract
Design and construction of buildings is a most expensive enterprise. CAD plans of architects and civil engineers contain thousands of layout fragments (cases) which could be helpful for later use. In FABEL we try to find those fragments which are useful for a problem, to evaluate them and adapt them to the current context.
The present approach helps to support a CAD system with case based reasoning (CBR). As usual in CBR we reduce the notion of usefulness of cases to the one of similarity. We describe a similarity criterion that is based on detection of gestalten. Gestalten try to catch the main topological properties and spatial relations of an object constellation. To detect them, focused object groups of a CAD plan are represented as sketches and compared with a set of sketches of predefined gestalten. Gestalt recognition yields an index for the determination of similarity between a plan to be elaborated and a plan stored in a conventional case base. In this article we focus on the aspects of gestalt acquisition, representation and recognition, and their integration in the FABEL prototype.
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Schaaf, J.W., Nowak, M., Voß, A. (1995). Using gestalten to retrieve cases. In: Haton, JP., Keane, M., Manago, M. (eds) Advances in Case-Based Reasoning. EWCBR 1994. Lecture Notes in Computer Science, vol 984. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-60364-6_33
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DOI: https://doi.org/10.1007/3-540-60364-6_33
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