C. Bräuer-Burchardt et al., "High-Speed Accurate 3D Scanning of Human Motion Sequences", in Proc. of 6th Int. Conf. on 3D Body Scanning Technologies, Lugano, Switzerland, 2015, pp. 194-201, doi:10.15221/15.194.
High-Speed Accurate 3D Scanning of Human Motion Sequences
Christian BRÄUER-BURCHARDT 1, Stefan HEIST 1, Ingo SCHMIDT 1, Peter LUTZKE 1, Peter KÜHMSTEDT 1, Gunther NOTNI 1,2
1 Fraunhofer Institute Applied Optics and Precision Engineering Jena, Germany;
2 Technical University Ilmenau, Germany
In this work a new high-speed scanning technique based on pattern projection is introduced which allows acquiring human body 3D scans with a frame rate of up to 1.5 kHz. The measurement field and the resolution in the object space are variable. Thus one can either record whole-body scans with a resolution of 2 mm or highly resolved detailed resolutions (of e.g. certain muscle regions) of 300 micron. The 3D scanning methodology is based on fringe projection using a self-made projection unit and a recording using a high-speed stereo camera pair. Movements with velocities of approximately 40 km/h using the highest resolution can be resolved with high accuracy of the 3D data without disturbances by the setup. Hence, an analysis of locally restricted body parts can be performed, e.g. muscle vibrations as well as complex motion sequences, e.g. at certain forms of sport such as baseball, golf, or tennis.
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