Subassembly Retrieval of 3D CAD Assembly Models with Different Layout of Components Based on Sinogram
Subassembly Retrieval of 3D CAD Assembly Models with Different Layout of Components Based on Sinogram
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DOI：
10.1587/transinf.2018dap0015
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发表时间：
2019-04
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通讯作者：
Kaoru Katayama;W. Sato
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文献类型：
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作者：
Kaoru Katayama;W. Sato
提出了一种从一组三维CAD装配模型中查询出包含在另一个装配模型中的装配模型的方法。3D CAD装配模型由多个组件组成，并使用3D CAD软件构建。该方法区分由构成查询模型的部件子集组成的装配模型，以及其部件与部件子集具有相同布局的装配模型。我们计算从不同角度投影的Radon变换构造的正弦图形的分量的形状和布局之间的差值。我们以我们准备的装配模型为基准，对所提出的方法进行了实验评估。该方法也可用于发现包含查询模型的数据库模型。关键词：三维CAD模型、装配、子装配、检索、元件布局、正弦图
We propose a method to find assembly models contained in another assembly model given as a query from a set of 3D CAD assembly models. A 3D CAD assembly model consists of multiple components and is constructed using a 3D CAD software. The proposed method distinguishes assembly models which consist of a subset of components constituting the query model and also whose components have the same layout as the subset of the components. We compute difference between the shapes and the layouts of the components from the sinograms which are constructed by the Radon transform of their projections from various angles. We evaluate the proposed method experimentally using the assembly models which we prepare as a benchmark. The proposed method can also be used to find the database models which contains a query model. key words: 3D CAD model, assembly, subassembly, retrieval, layout of component, sinogram