Fast Fourier single-pixel imaging via binary illumination

Scientific Reports
Zibang ZhangJingang Zhong

Abstract

Fourier single-pixel imaging (FSI) employs Fourier basis patterns for encoding spatial information and is capable of reconstructing high-quality two-dimensional and three-dimensional images. Fourier-domain sparsity in natural scenes allows FSI to recover sharp images from undersampled data. The original FSI demonstration, however, requires grayscale Fourier basis patterns for illumination. This requirement imposes a limitation on the imaging speed as digital micro-mirror devices (DMDs) generate grayscale patterns at a low refreshing rate. In this paper, we report a new strategy to increase the speed of FSI by two orders of magnitude. In this strategy, we binarize the Fourier basis patterns based on upsampling and error diffusion dithering. We demonstrate a 20,000 Hz projection rate using a DMD and capture 256-by-256-pixel dynamic scenes at a speed of 10 frames per second. The reported technique substantially accelerates image acquisition speed of FSI. It may find broad imaging applications at wavebands that are not accessible using conventional two-dimensional image sensors.

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Citations

Jan 10, 2019·Sensors·Jun LiChristian H Ritz
Feb 26, 2020·Micromachines·Guangcan ZhouGuangya Zhou
May 23, 2020·Nature Communications·Rayko Ivanov StantchevEmma Pickwell-MacPherson
Jun 8, 2018·Optics Express·Zibang ZhangJingang Zhong
Jul 2, 2019·Optics Letters·Shupeng ZhaoFuli Li
Apr 1, 2020·Optics Express·Manhong YaoJingang Zhong
Nov 7, 2019·Optics Express·Meng WenwenFan Chengyu
Jan 18, 2019·Optics Express·Junzheng PengJingang Zhong
Sep 11, 2020·Optics Express·Shupeng ZhaoFuli Li
Aug 19, 2018·Optics Express·Krzysztof M CzajkowskiRafał Kotyński
Aug 19, 2018·Optics Express·Jian HuangYingjian Wang
Nov 12, 2020·Scientific Reports·Fangyuan ShaCuong Dang
Mar 11, 2021·Applied Optics·Wenxin ZhangPing Xue
Mar 26, 2021·Scientific Reports·Hanqiu KangDuan Huang
May 15, 2021·Optics Express·Zhirun WangDong Wang
Oct 14, 2021·Sensors·Dong ZhouKai Lin
Jul 9, 2019··Rafał KotyńskiKrzysztof M. Czajkowski

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Methods Mentioned

BETA
imaging techniques
scanning electron microscopy
imaging technique

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