Journal
OPTICS AND LASERS IN ENGINEERING
Volume 127, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlaseng.2019.105955
Keywords
Single-pixel imaging; Hadamard-Bayer illumination; Visible watermarking; Full-color imaging
Categories
Funding
- National Natural Science Foundation of China [11474027, 11735005, 61675028]
- Interdiscipline Research Funds of Beijing Normal University
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We present two novel techniques in single-pixel imaging (SPI): the first one is Hadamard-Bayer SPI in which the Hadamard-Bayer illumination patterns are employed for fast full-color SPI, with a sampling rate and computational complexity that are one-third of the full-sampling condition; the second one encodes spatial information of an image into time-varying factors in SPI and loads them into the illumination patterns, enabling high-quality single-pixel image fusion. Furthermore, we fuse these two techniques to achieve full-color visible watermarking while imaging. Theory, simulations, and experiments confirm the feasibility of the schemes. These techniques have high scalability and wide application prospects, and possess the potential to be applied in LED structured illumination systems, single-pixel multi-spectral imaging systems, and single-pixel broadcast systems.
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