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《Acta Optica Sinica》 2014-01
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Investigation on Back-Modulation Long Distance Three-Dimensional Imaging Based on Compressed Sensing

Li Dong;Cang Ji;Xia Xinxing;Li Haifeng;Liu Xiangdong;Liu Xu;State Key Laboratory of Modern Optical Instrumentation,Zhejiang University;  
Based on the theory of compressed sensing(CS),the method that the distant target object is illuminated by high power nanosecond pulsed laser and the target object is imaged by the telescope to digital micro-mirror device(DMD)plane is proposed.With the use of the loaded DMD patterns,the image of the target object is modulated(back-modulation),and a photomultiplier tube(PMT)as a single-pixel detector is applied to collect the total light modulated by the patterns,and the reconstruction of three-dimensional(3D)image of the distant target object is completed by the computation of compressed sensing.This system is applied to the imaging of the long-range 3D object.By the built of experimental system,the measurement of the absolute distances of the object at a distance of 230 m and 4.5 km is implemented and the 3D imaging of 64 pixel×64 pixel is realized.It is also demonstrated that for the image recovery of long distance using CS,with the increase of sampling rate,the quality and contrast of the recovered image are improved to some extent.The sparser the image of the object is,the less the number of required samplings for image reconstruction.
【CateGory Index】: TP391.41
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【Citations】
Chinese Journal Full-text Database 3 Hits
1 Lu Minghai Shen Xia Han Shensheng(Key Laboratory for Quantum Optics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China);Ghost Imaging via Compressive Sampling Based on Digital Micromirror Device[J];Acta Optica Sinica;2011-07
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Chen Mingliang Li Enrong Wang Hui Shen Xia Gong Wenlin Han Shensheng(Key Laboratory for Quantum Optics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences, Shanghai 201800,China);Ghost Imaging Based on Sparse Array Pseudothermal Light System[J];Acta Optica Sinica;2012-05
2 Chen Xiao 1 Yan Binbin 2 Song Feijun 3 Wang Yiquan 1 Xiao Feng 4 Kamal Alameh 4 1 College of Science,Minzu University of China,Beijing 100081,China 2 State Key Laboratory of Information Photonics and Optical Communications,Beijing University of Posts and Telecommunications,Beijing 100876,China 3 Academy of Opt-Electronics,China Daheng Group,Inc.,Beijing 100085,China 4 Electron Science Research Institute,Edith Cowan University,Joondalup,WA,6027,Australia;Diffractive Properties of DMD Gratings and Its New Application in Tunable Fiber Lasers[J];Acta Optica Sinica;2012-07
3 Li Hongxiao Chen Xiaodong Wang Yi Yu Daoyin(College of Precision Instrument and Opto-Electronics Engineering,Tianjin University,Tianjin 300072,China);Sampling Model Selection According to Sparse Base[J];Acta Optica Sinica;2012-08
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10 Chen Jie;Bo Zunwang;Han Shensheng;Key Laboratory for Quantum Optics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences;;Sparsity-Based Ghost Imaging with Gaussian-Amplitude Modulation[J];Acta Optica Sinica;2013-09
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