Abstract
This chapter introduces two methods, which significantly improve the measurement outcome of the single-shot 3D movie camera: The further increase of the 3D data density and channel efficiency by the application of a projected pattern with crossed lines. The acquisition of texture information, which enhances the visual impression of the acquired 3D model and could also serve as an additional source of information. Both methods require a slight softening of the ‘pure doctrine’ of the previous two Chaps. 5 and 6, as now additional space-bandwidth restrictions are introduced. In exchange, both improvements are applicable without the need of additional cameras in the setup.
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Notes
- 1.
- 2.
For a final version of the single-shot 3D movie camera, a slide-projector with a chrome-on-glass mask is still preferable, due to the much better illumination conditions. However, a LED projector proved to be advantageous during the development phase, since line numbers, directions, thicknesses, etc. can be changed uncomplicated.
- 3.
The distance between two lines onto the object surface is approximately 2 mm.
References
F. Willomitzer, FlyFace – 3D-Gesichtsvermessung mittels “Flying Triangulation”. Diploma Thesis, University Erlangen-Nuremberg (2010)
C. Faber, New Methods and Advances in Deflectometry. Dissertation, University Erlangen-Nuremberg (2012)
O. Arold, S. Ettl, F. Willomitzer, and G. Häusler, Hand-guided 3D surface acquisition by combining simple light sectioning with real-time algorithms (2014), arXiv:1401.1946
F. Willomitzer, Z. Yang, O. Arold, S. Ettl, and G. Häusler, 3D face scanning with “Flying Triangulation”. in Proceedings of the 111th DGaO Conference (2010), p. 18
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Willomitzer, F. (2019). Further Improvements of the Single-Shot 3D Movie Camera. In: Single-Shot 3D Sensing Close to Physical Limits and Information Limits. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-030-10904-2_7
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DOI: https://doi.org/10.1007/978-3-030-10904-2_7
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