Time-of-flight 3D imaging is an important tool for applications such as remote sensing, machine vision and autonomous navigation. Conventional time-of-flight three-dimensional imaging systems that utilize a raster scanned laser to measure the range of each pixel in the scene sequentially, inherently have acquisition times that scale directly with the resolution. Here we show a modified time-of-flight 3D camera employing structured illumination, which uses a visible camera to enable a novel compressed sensing technique, minimising the acquisition time as well as providing a high-resolution reflectivity map for image overlay. Furthermore, a quantitative assessment of the 3D imaging performance is provided.
Matthew P. Edgar, Ming-Jie Sun, Graham M. Gibson, Gabriel C. Spalding, David B. Phillips, and Miles J. Padgett, "Real-time 3D video utilizing a compressed sensing time-of-flight single-pixel camera," Proc. SPIE 9922, Optical Trapping and Optical Micromanipulation XIII, 99221B (Presented at SPIE Nanoscience + Engineering: August 30, 2016; Published: 16 September 2016); https://doi.org/10.1117/12.2239113.
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