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Andrei Sharf, Hui Huang, Cheng Liang, Jiapei Zhang, Baoquan Chen and Minglun Gong Mobility-Trees for Indoor Scenes Manipulation Computer Graphics Forum 33

Version of Record online: 16 SEP 2013 | DOI: 10.1111/cgf.12204

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In this work, we introduce the ‘mobility-tree’ construct for high-level functional representation of complex 3D indoor scenes. In recent years, digital indoor scenes are becoming increasingly popular, consisting of detailed geometry and complex functionalities. These scenes often consist of objects that reoccur in various poses and interrelate with each other. In this work we analyse the reoccurrence of objects in the scene and automatically detect their functional mobilities. ‘Mobility’ analysis denotes the motion capabilities (i.e. degree of freedom) of an object and its subpart which typically relates to their indoor functionalities. We compute an object's mobility by analysing its spatial arrangement, repetitions and relations with other objects and store it in a ‘mobility-tree’.

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