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Terahertz two-pixel imaging based on complementary compressive sensing |
| Yuye Wang(王与烨)1,2,3, Yuchen Ren(任宇琛)1,2, Linyu Chen(陈霖宇)1,2, Ci Song(宋词)4, Changzhao Li(李长昭)1,2, Chao Zhang(张超)1,2, Degang Xu(徐德刚)1,2, Jianquan Yao(姚建铨)1,2 |
1 Institute of Laser and Optoelectronics, School of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China;
2 Key Laboratory of Optoelectronic Information Science and Technology(Ministry of Education), Tianjin University, Tianjin 300072, China;
3 Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University(Army Medical University), Chongqing 400038, China;
4 College of Computer and Information Engineering, Tianjin Agricultural University, Tianjin 300384, China |
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Abstract A compact terahertz (THz) imaging system based on complementary compressive sensing has been proposed using two single-pixel detectors. By using a mechanical spatial light modulator, sampling in the transmission and reflection orientations was achieved simultaneously, which allows imaging with negative mask values. The improvement of THz image quality and anti-noise performance has been verified experimentally compared with the traditional reconstructed image, and is in good agreement with the numerical simulation. The demonstrated imaging system, with the advantages of high imaging quality and strong anti-noise property, opens up possibilities for new applications in the THz region.
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Received: 01 June 2018
Revised: 12 July 2018
Accepted manuscript online:
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PACS:
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42.30.Wb
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(Image reconstruction; tomography)
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42.30.Va
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(Image forming and processing)
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42.79.Hp
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(Optical processors, correlators, and modulators)
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| Fund: Project supported by the National Basic Research Program of China (Grant Nos. 2015CB755403 and 2014CB339802), the National Key Research and Development Program of China (Grant No. 2016YFC0101001), the National Natural Science Foundation of China (Grant Nos. 61775160, 61771332, and 61471257), China Postdoctoral Science Foundation (Grant No. 2016M602954), Postdoctoral Science Foundation of Chongqing, China (Grant No. Xm2016021), and the Joint Incubation Project of Southwest Hospital, China (Grant Nos. SWH2016LHJC04 and SWH2016LHJC01). |
Corresponding Authors:
Degang Xu
E-mail: xudegang@tju.edu.cn
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Cite this article:
Yuye Wang(王与烨), Yuchen Ren(任宇琛), Linyu Chen(陈霖宇), Ci Song(宋词), Changzhao Li(李长昭), Chao Zhang(张超), Degang Xu(徐德刚), Jianquan Yao(姚建铨) Terahertz two-pixel imaging based on complementary compressive sensing 2018 Chin. Phys. B 27 114204
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