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Sensors 2019, 19(3), 732; https://doi.org/10.3390/s19030732

Single-Pixel Imaging and Its Application in Three-Dimensional Reconstruction: A Brief Review

School of Instrumentation Science and Optoelectronic Engineering, Beihang University, Beijing 100191, China
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Received: 24 December 2018 / Revised: 18 January 2019 / Accepted: 1 February 2019 / Published: 11 February 2019
(This article belongs to the Special Issue Depth Sensors and 3D Vision)
Full-Text   |   PDF [1947 KB, uploaded 11 February 2019]   |  

Abstract

Whereas modern digital cameras use a pixelated detector array to capture images, single-pixel imaging reconstructs images by sampling a scene with a series of masks and associating the knowledge of these masks with the corresponding intensity measured with a single-pixel detector. Though not performing as well as digital cameras in conventional visible imaging, single-pixel imaging has been demonstrated to be advantageous in unconventional applications, such as multi-wavelength imaging, terahertz imaging, X-ray imaging, and three-dimensional imaging. The developments and working principles of single-pixel imaging are reviewed, a mathematical interpretation is given, and the key elements are analyzed. The research works of three-dimensional single-pixel imaging and their potential applications are further reviewed and discussed. View Full-Text
Keywords: single-pixel imaging; ghost imaging; compressive sensing; three-dimensional imaging; time-of-flight; depth mapping; stereo vision single-pixel imaging; ghost imaging; compressive sensing; three-dimensional imaging; time-of-flight; depth mapping; stereo vision
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Sun, M.-J.; Zhang, J.-M. Single-Pixel Imaging and Its Application in Three-Dimensional Reconstruction: A Brief Review. Sensors 2019, 19, 732.

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