Full color ghost imaging by using both time and code division multiplexing technologies

doi:10.1088/1674-1056/ac7e33

中国物理B ›› 2022, Vol. 31 ›› Issue (11): 114202-114202.doi: 10.1088/1674-1056/ac7e33

Full color ghost imaging by using both time and code division multiplexing technologies

Le Wang(王乐)^1,†, Hui Guo(郭辉)^1,2, and Shengmei Zhao(赵生妹)^1,‡

1 Institute of Signal Processing and Transmission, Nanjing University of Posts and Telecommunications(NUPT), Nanjing 210003, China;
2 College of Information Engineering, Fuyang Normal University, Fuyang 236037, China

收稿日期:2022-04-20 修回日期:2022-06-27 接受日期:2022-07-05 出版日期:2022-10-17 发布日期:2022-10-17
通讯作者: Le Wang, Shengmei Zhao E-mail:njwanglele@163.com;zhaosm@njupt.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 62001249 and 61871234), the NUPTSF (Grant No. NY220004), and the Scientific Research Project of College of Information Engineering, Fuyang Normal University (Grant No. FXG2021ZZ02).

Full color ghost imaging by using both time and code division multiplexing technologies

Le Wang(王乐)^1,†, Hui Guo(郭辉)^1,2, and Shengmei Zhao(赵生妹)^1,‡

1 Institute of Signal Processing and Transmission, Nanjing University of Posts and Telecommunications(NUPT), Nanjing 210003, China;
2 College of Information Engineering, Fuyang Normal University, Fuyang 236037, China

Received:2022-04-20 Revised:2022-06-27 Accepted:2022-07-05 Online:2022-10-17 Published:2022-10-17
Contact: Le Wang, Shengmei Zhao E-mail:njwanglele@163.com;zhaosm@njupt.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 62001249 and 61871234), the NUPTSF (Grant No. NY220004), and the Scientific Research Project of College of Information Engineering, Fuyang Normal University (Grant No. FXG2021ZZ02).

摘要/Abstract

摘要： We propose a new full color ghost imaging scheme using both time and code division multiplexing technologies. In the scheme, the speckle patterns of three colors (red, green and blue) are modulated with different time slots and codes. The light intensity is sampled by one bucket detector. Then based on the modulated time slots and codes, we can effectively and simultaneously extract three detection component signals corresponding to three color components of objects from the sampling signal of the bucket detector. Finally, three component images resulting from the three component detection signals can be synthesized into a full color image. The experimental results verify the feasibility of our scheme under the limit of the number of time slots and codes. Moreover, our scheme reduces the number of bucket detectors and can realize high quality imaging even in a noisy environment.

关键词: ghost imaging, time division multiplexing, code division multiplexing, full color imaging

Abstract: We propose a new full color ghost imaging scheme using both time and code division multiplexing technologies. In the scheme, the speckle patterns of three colors (red, green and blue) are modulated with different time slots and codes. The light intensity is sampled by one bucket detector. Then based on the modulated time slots and codes, we can effectively and simultaneously extract three detection component signals corresponding to three color components of objects from the sampling signal of the bucket detector. Finally, three component images resulting from the three component detection signals can be synthesized into a full color image. The experimental results verify the feasibility of our scheme under the limit of the number of time slots and codes. Moreover, our scheme reduces the number of bucket detectors and can realize high quality imaging even in a noisy environment.

Key words: ghost imaging, time division multiplexing, code division multiplexing, full color imaging

中图分类号: (Image forming and processing)

42.30.Va

42.30.Wb (Image reconstruction; tomography)

Le Wang(王乐), Hui Guo(郭辉), and Shengmei Zhao(赵生妹). Full color ghost imaging by using both time and code division multiplexing technologies[J]. 中国物理B, 2022, 31(11): 114202-114202.

Le Wang(王乐), Hui Guo(郭辉), and Shengmei Zhao(赵生妹). Full color ghost imaging by using both time and code division multiplexing technologies[J]. Chin. Phys. B, 2022, 31(11): 114202-114202.

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Full color ghost imaging by using both time and code division multiplexing technologies

Full color ghost imaging by using both time and code division multiplexing technologies

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