Presentation + Paper
15 March 2023 Dynamic three-dimensional imaging with cubic-meter-level measurement volume using multi-scale band-limited illumination profilometry
Cheng Jiang, Patrick Kilcullen, Yingming Lai, Siqi Wang, Tsuneyuki Ozaki, Jinyang Liang
Author Affiliations +
Abstract
Dynamic three-dimensional (3D) surface imaging using phase-shifting fringe projection profilometry is currently driven by industrial manufacturing, archaeological inspection, and entertainment. However, existing techniques cannot simultaneously provide the robustness in solving spatially isolated 3D objects, the tolerance of large variation in surface reflectance, and the flexibility of tunable working distances with a cubic meter (m3)-level measurement volume at video rate. To overcome these limitations, we have developed multi-scale band-limited illumination profilometry (MS-BLIP). MS-BLIP implements multi-frequency fringe projection with the associated phase unwrapping, which enables robust 3D imaging of spatially isolated objects. Meanwhile, MS-BLIP adopts dual-level intensity projection to enhance its dynamic range, which allows recovering 3D information from surfaces with large reflectance variation. Moreover, MS-BLIP applies a newly developed iterative method for distortion compensation, which improves the 3D reconstruction quality over a cubic-meter-level measurement volume. Finally, a dove prism is used to adjust the orientation of the field of view, which helps MS-BLIP fit different experimental scenarios. With a measurement volume of up to 1.5 m3 and a working distance of up to 2.8 m, MS-BLIP showcases the video-rate 3D surface imaging of full human-body movements.
Conference Presentation
© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Cheng Jiang, Patrick Kilcullen, Yingming Lai, Siqi Wang, Tsuneyuki Ozaki, and Jinyang Liang "Dynamic three-dimensional imaging with cubic-meter-level measurement volume using multi-scale band-limited illumination profilometry", Proc. SPIE 12435, Emerging Digital Micromirror Device Based Systems and Applications XV, 124350C (15 March 2023); https://doi.org/10.1117/12.2648067
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KEYWORDS
3D projection

3D image processing

Fringe analysis

Distortion

Cameras

Digital micromirror devices

Phase unwrapping

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