Interactive Deformation Simulation of Manual Girth Measurement for Limbs
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- Interactive Deformation Simulation of Manual Girth Measurement for Limbs
- Zhao, Jianhui; Ding, Yihua; Goonetilleke, Ravindra S.; Xiong, Shuping; Zhang, Yuanyuan; Long, Chengjiang; Yuan, Zhiyong
- Interactive deformation; Mass-spring model; Triangular mesh; Volume preservation
- Issue Date
- INT INFORMATION INST
- INFORMATION-AN INTERNATIONAL INTERDISCIPLINARY JOURNAL, v.15, no.1, pp.339 - 346
- The existing methods for automatic girth measurement are primarily based on 3D point cloud or its generated surfaces, without considering limbs' elasticity and thus the interactive deformation during manual measurement. Taking human foot as example, we propose a new method to simulate manual girth measurement using 3D triangular mesh and mass-spring model. The deformation is limited in the local deformed region consisted of tape region, propagation region and compensation region, while the latter two regions are controlled with depth parameters representing the affected ranges of limb surface from external forces. We also present a novel algorithm to dynamically calculate volume change of the deforming limb, and then repair the lost volume with compensation function. Our approach has the advantages of low computational complexity and realistic volume preserved simulation for interactive deformation in manual measurement. The proposed method is tested with experimental results, which illustrate its efficiency in many applications such as custom products making.
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