Jing Kai, Aiping Zhai, Wenjing Zhao, Dong Wang. Fourier Single-Pixel Imaging Based on Adaptive Down-Sampling in Frequency Domain[J]. Laser & Optoelectronics Progress, 2023, 60(2): 0211002
- Laser & Optoelectronics Progress
- Vol. 60, Issue 2, 0211002 (2023)
Fig. 1. Fourier spectrum and energy distribution of "Cameraman" with resolution of
Fig. 2. Schematic diagram of sampling orders. (a) Conventional sequential sampling; (b) square sampling; (c) circular sampling
Fig. 3. Mean value curve of measurement coefficient of each segment. (a) Using square sampling path; (b) using circular sampling path
Fig. 4. Variance curve of measurement coefficient of each segment. (a) Using square sampling path; (b) using circular sampling path
Fig. 5. Logarithmic variance curve of measurement coefficients of each segment. (a) Using square sampling path; (b) using circular sampling path
Fig. 6. Absolute value of slope of fitting curve. (a) Using square sampling path; (b) using circular sampling path
Fig. 7. Imaging results and spectra of images “Orangutan”, “Cameraman”, and “Match” under adaptive square sampling, adaptive circular sampling, and sequential sampling
Fig. 8. Schematic diagram of experimental setup
Fig. 9. Adaptive sampling reconstruction results and spectra of different objects. (a) “USAF 1951” image; (b) “Turtle” model image; (c) “Three bars” image; (d) “One bar” image
Fig. 10. Adaptive sampling reconstruction results and spectra of ‘Beetle’ model at daytime and nighttime
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Table 1. Simulation results of adaptive square sampling, adaptive circular sampling, and sequential sampling for images “Orangutan”，“Cameraman”, and “Match”
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Table 2. Experimental results of adaptive square sampling and adaptive circular sampling for images of “USAF 1951”,“Turtle” model,“Three bars”, and “One bar”
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Table 3. Experimental results of adaptive square sampling and adaptive circular sampling for ‘Beetle’ model at daytime and nighttime
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