Compressed ghost imaging based on differential speckle patterns

doi:10.1088/1674-1056/ab671a

中国物理B ›› 2020, Vol. 29 ›› Issue (2): 24204-024204.doi: 10.1088/1674-1056/ab671a

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Compressed ghost imaging based on differential speckle patterns

Le Wang(王乐), Shengmei Zhao(赵生妹)

1 Institute of Signal Processing and Transmission, Nanjing University of Posts and Telecommunications(NUPT), Nanjing 210003, China;
2 Key Laboratory of Broadband Wireless Communication and Sensor Network Technology(NUPT), Ministry of Education, Nanjing 210003, China

收稿日期:2019-10-21 修回日期:2019-11-17 出版日期:2020-02-05 发布日期:2020-02-05
通讯作者: Shengmei Zhao E-mail:zhaosm@njupt.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11847062 and 61871234), the Natural Science Foundation of Jiangsu Province, China (Grant No. BK20180755), and the Science Fund from NUPT (Grant No. NY218098).

Compressed ghost imaging based on differential speckle patterns

Le Wang(王乐)¹, Shengmei Zhao(赵生妹)^1,2

1 Institute of Signal Processing and Transmission, Nanjing University of Posts and Telecommunications(NUPT), Nanjing 210003, China;
2 Key Laboratory of Broadband Wireless Communication and Sensor Network Technology(NUPT), Ministry of Education, Nanjing 210003, China

Received:2019-10-21 Revised:2019-11-17 Online:2020-02-05 Published:2020-02-05
Contact: Shengmei Zhao E-mail:zhaosm@njupt.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11847062 and 61871234), the Natural Science Foundation of Jiangsu Province, China (Grant No. BK20180755), and the Science Fund from NUPT (Grant No. NY218098).

摘要/Abstract

摘要： We propose a compressed ghost imaging scheme based on differential speckle patterns, named CGI-DSP. In the scheme, a series of bucket detector signals are acquired when a series of random speckle patterns are employed to illuminate an unknown object. Then the differential speckle patterns (differential bucket detector signals) are obtained by taking the difference between present random speckle patterns (present bucket detector signals) and previous random speckle patterns (previous bucket detector signals). Finally, the image of object can be obtained directly by performing the compressed sensing algorithm on the differential speckle patterns and differential bucket detector signals. The experimental and simulated results reveal that CGI-DSP can improve the imaging quality and reduce the number of measurements comparing with the traditional compressed ghost imaging schemes because our scheme can remove the environmental illuminations efficiently.

关键词: ghost imaging, compressed sensing, differential speckle patterns, differential bucket detector signals

Abstract: We propose a compressed ghost imaging scheme based on differential speckle patterns, named CGI-DSP. In the scheme, a series of bucket detector signals are acquired when a series of random speckle patterns are employed to illuminate an unknown object. Then the differential speckle patterns (differential bucket detector signals) are obtained by taking the difference between present random speckle patterns (present bucket detector signals) and previous random speckle patterns (previous bucket detector signals). Finally, the image of object can be obtained directly by performing the compressed sensing algorithm on the differential speckle patterns and differential bucket detector signals. The experimental and simulated results reveal that CGI-DSP can improve the imaging quality and reduce the number of measurements comparing with the traditional compressed ghost imaging schemes because our scheme can remove the environmental illuminations efficiently.

Key words: ghost imaging, compressed sensing, differential speckle patterns, differential bucket detector signals

中图分类号: (Image forming and processing)

42.30.Va

42.30.Wb (Image reconstruction; tomography)

王乐, 赵生妹. Compressed ghost imaging based on differential speckle patterns[J]. 中国物理B, 2020, 29(2): 24204-024204.

Le Wang(王乐), Shengmei Zhao(赵生妹). Compressed ghost imaging based on differential speckle patterns[J]. Chin. Phys. B, 2020, 29(2): 24204-024204.

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Compressed ghost imaging based on differential speckle patterns

Compressed ghost imaging based on differential speckle patterns

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