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Relaxed lightweight assembly retrieval using vector space model

Kai-Mo Hu 1 Bin Wang 1 Jun-Hai Yong 2 Jean-Claude Paul 3
3 CAD - Computer Aided Design
LIAMA - Laboratoire Franco-Chinois d'Informatique, d'Automatique et de Mathématiques Appliquées, Inria Paris-Rocquencourt
Abstract : Assembly searching technologies are important for the improvement of design reusability. However, existing methods require that assemblies possess high-level information, and thus cannot be applied in lightweight assemblies. In this paper, we propose a novel relaxed lightweight assembly retrieval approach based on a vector space model (VSM). By decomposing the assemblies represented in a watertight polygon mesh into bags of parts, and considering the queries as a vague specification of a set of parts, the resilient ranking strategy in VSM is successfully applied in the assembly retrieval. Furthermore, we take the scale-sensitive similarities between parts into the evaluation of matching values, and extend the original VSM to a relaxed matching framework. This framework allows users to input any fuzzy queries, is capable of measuring the results quantitatively, and performs well in retrieving assemblies with specified characteristics. To accelerate the online matching procedure, a typical parts based matching process, as well as a greedy strategy based matching algorithm is presented and integrated in the framework, which makes our system achieve interactive performance. We demonstrate the efficiency and effectiveness of our approach through various experiments on the prototype system.
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Submitted on : Thursday, December 19, 2013 - 4:21:47 AM
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Kai-Mo Hu, Bin Wang, Jun-Hai Yong, Jean-Claude Paul. Relaxed lightweight assembly retrieval using vector space model. Computer-Aided Design, Elsevier, 2013, 45 (3), pp.739-750. ⟨10.1016/j.cad.2012.10.005⟩. ⟨hal-00920674⟩

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