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Three-dimensional ghost imaging lidar via sparsity constraint

Scientific reports, 2016-05, Vol.6 (1), p.26133-26133, Article 26133 [Peer Reviewed Journal]

Copyright Nature Publishing Group May 2016 ;Copyright © 2016, Macmillan Publishers Limited 2016 Macmillan Publishers Limited ;ISSN: 2045-2322 ;EISSN: 2045-2322 ;DOI: 10.1038/srep26133 ;PMID: 27184530

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  • Title:
    Three-dimensional ghost imaging lidar via sparsity constraint
  • Author: Gong, Wenlin ; Zhao, Chengqiang ; Yu, Hong ; Chen, Mingliang ; Xu, Wendong ; Han, Shensheng
  • Subjects: Illumination ; Scanning ; Sparsity
  • Is Part Of: Scientific reports, 2016-05, Vol.6 (1), p.26133-26133, Article 26133
  • Description: Three-dimensional (3D) remote imaging attracts increasing attentions in capturing a target's characteristics. Although great progress for 3D remote imaging has been made with methods such as scanning imaging lidar and pulsed floodlight-illumination imaging lidar, either the detection range or application mode are limited by present methods. Ghost imaging via sparsity constraint (GISC), enables the reconstruction of a two-dimensional N-pixel image from much fewer than N measurements. By GISC technique and the depth information of targets captured with time-resolved measurements, we report a 3D GISC lidar system and experimentally show that a 3D scene at about 1.0 km range can be stably reconstructed with global measurements even below the Nyquist limit. Compared with existing 3D optical imaging methods, 3D GISC has the capability of both high efficiency in information extraction and high sensitivity in detection. This approach can be generalized in nonvisible wavebands and applied to other 3D imaging areas.
  • Publisher: England: Nature Publishing Group
  • Language: English
  • Identifier: ISSN: 2045-2322
    EISSN: 2045-2322
    DOI: 10.1038/srep26133
    PMID: 27184530
  • Source: PubMed Central
    ProQuest Central
    DOAJ Directory of Open Access Journals
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