Abstract

Traditional three-dimensional (3-D) laser imaging systems are based on real aperture imaging technology, whose resolution decreases as the range increases. In this paper, we develop a novel 3-D imaging technique based on the synthetic aperture technology in which the imaging resolution is significantly improved and does not degrade with the increase of the range. We consider an imaging laser radar (ladar) system using the floodlight transmitting mode and multi-beam receiving mode. High 3-D imaging resolutions are achieved by matched filtering the linear frequency modulated (LFM) signals respectively in range, synthetic aperture along-track, and the real aperture across-track. In this paper, a novel 3-D imaging signal model is given first. Because of the motion during the transmission of a sweep, the Doppler shift induced by the continuous motion is taken into account. And then, a proper algorithm for the 3-D imaging geometry is given. Finally, simulation results validate the effectiveness of the proposed technique.

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  1. M. NilssonEstimation of tree height and stand volume using an airborne LiDAR systemRemote Sens. Environ.199656117
  2. G. Sun and K. J. RansonModeling lidar returns from forest canopiesIEEE Trans. Geosci. Remote Sens.200038626172626
  3. S. FilinSurface classification from airborne laser scanning dataComput. Geosci.20043010331041
  4. M. Janeras, M. Navarro, G. Arnó, A. Ruiz, W. Kornus, J. Talaya, M. Barberà, and F. LópezLidar applications to rock fall hazard assesment in vall de núria4th ICA Mountain Cartography Workshop Vall de Núria2004114
  5. T. Burton and D. ScottLIDAR for flood defencehttp://www.bks.co.uk/en/press_archive.html
  6. C. V. Tao and Y. HuAssessment of airborne lidar imaging technology for pipeline mapping and safety applicationsPecora 15/Land Satellite Information IV/ISPRS Commission I/FIEOS 2002 Conference Proceedings
  7. H. Min, H. Yihua, Z. Nanxiang, and L. WeiApplication of airborne three-dimensional laser imagingLaser Optoelectron. Prog.200834349
  8. M. YaoStudy on laser scanning imaging systemChangchun University of Science and TechnologyChangchun2012
  9. I. G. Cumming and F. H. WongDigital processing of synthetic aperture radar data: algorithms and implementationArtech HouseNorwood, MA2005
  10. Z. Bao, M.-D. Xing, and T. WangRadar imaging techniquesPublishing House of Electronics IndustryBeijing2005
  11. M. Bashkansky, R. L. Lucke, E. Funk, L. J. Rickard, and J. ReintjesTwo-dimensional synthetic aperture imaging in the optical domainOpt. Lett.20022719831985
  12. S. M. Beck, J. R. Buck, W. F. Buell, R. P. Dickinson, D. A. Kozlowski, N. J. Marechal, and T. J. WrightSynthetic aperture imaging ladar: laboratory demonstration and signal processingAppl. Opt.20054476217629
  13. L. Guo, M. Xing, L. Zhang, Y. Tang, and Z. BaoResearch on indoor experimentation of range SAL imaging systemSci. China, Ser. E: Technol. Sci.20091030983104
  14. Y. Zhou, N. Xu, Z. Luan, A. Yan, L. Wang, J. Sun, and L. Liu2D imaging experiment of a 2D target in a laboratory-scale synthetic aperture imaging ladarActa Opt. Sin.20092920302032
  15. L. Liu, Y. Zhou, Y. Zhi, J. Sun, Y. Wu, Z. Luan, A. Yan, L. Wang, E. Dai, and W. LuA large-aperture synthetic aperture imaging ladar demonstrator and its verification in laboratory spaceActa Opt. Sin.2011310900112
  16. J. Ricklin, M. Dierking, S. Fuhrer, B. Schumm, and D. TomlisonSynthetic aperture ladar for tactical imaging (SALTI) flight test results and path forwardthe Coherent Laser Radar Conferences9-13 July 2007Snowmass, Colorado, USA
  17. B. Krause, J. Buck, C. Ryan, D. Hwang, P. Kondratko, A. Malm, A. Gleason, and S. AshbyCLEO: 2011- Laser Applications to Photonic Applications, Technical Digest (CD)Optical Society of America2011paper PDPB7
  18. N. D. Hardy and J. H. ShapiroComputational ghost imaging versus imaging laser radar for three-dimensional imagingPhys. Rev.2013A 87023820-1023820-11
  19. W. Jing, M. Xing, C.-W. Qiu, Z. Bao, and T.-S. YeoUnambiguous reconstruction and high-resolution imaging for multiple-channel SAR and airborne experiment resultsIEEE Geosci. Remote Sens. Lett.20096102106
  20. A. Meta, P. Hoogeboom, and L. P. LigthartSignal processing for FMCW SARIEEE Trans. Geosci. Remote Sens.20074535193532

Other (20)

M. NilssonEstimation of tree height and stand volume using an airborne LiDAR systemRemote Sens. Environ.199656117

G. Sun and K. J. RansonModeling lidar returns from forest canopiesIEEE Trans. Geosci. Remote Sens.200038626172626

S. FilinSurface classification from airborne laser scanning dataComput. Geosci.20043010331041

M. Janeras, M. Navarro, G. Arnó, A. Ruiz, W. Kornus, J. Talaya, M. Barberà, and F. LópezLidar applications to rock fall hazard assesment in vall de núria4th ICA Mountain Cartography Workshop Vall de Núria2004114

T. Burton and D. ScottLIDAR for flood defencehttp://www.bks.co.uk/en/press_archive.html

C. V. Tao and Y. HuAssessment of airborne lidar imaging technology for pipeline mapping and safety applicationsPecora 15/Land Satellite Information IV/ISPRS Commission I/FIEOS 2002 Conference Proceedings

H. Min, H. Yihua, Z. Nanxiang, and L. WeiApplication of airborne three-dimensional laser imagingLaser Optoelectron. Prog.200834349

M. YaoStudy on laser scanning imaging systemChangchun University of Science and TechnologyChangchun2012

I. G. Cumming and F. H. WongDigital processing of synthetic aperture radar data: algorithms and implementationArtech HouseNorwood, MA2005

Z. Bao, M.-D. Xing, and T. WangRadar imaging techniquesPublishing House of Electronics IndustryBeijing2005

M. Bashkansky, R. L. Lucke, E. Funk, L. J. Rickard, and J. ReintjesTwo-dimensional synthetic aperture imaging in the optical domainOpt. Lett.20022719831985

S. M. Beck, J. R. Buck, W. F. Buell, R. P. Dickinson, D. A. Kozlowski, N. J. Marechal, and T. J. WrightSynthetic aperture imaging ladar: laboratory demonstration and signal processingAppl. Opt.20054476217629

L. Guo, M. Xing, L. Zhang, Y. Tang, and Z. BaoResearch on indoor experimentation of range SAL imaging systemSci. China, Ser. E: Technol. Sci.20091030983104

Y. Zhou, N. Xu, Z. Luan, A. Yan, L. Wang, J. Sun, and L. Liu2D imaging experiment of a 2D target in a laboratory-scale synthetic aperture imaging ladarActa Opt. Sin.20092920302032

L. Liu, Y. Zhou, Y. Zhi, J. Sun, Y. Wu, Z. Luan, A. Yan, L. Wang, E. Dai, and W. LuA large-aperture synthetic aperture imaging ladar demonstrator and its verification in laboratory spaceActa Opt. Sin.2011310900112

J. Ricklin, M. Dierking, S. Fuhrer, B. Schumm, and D. TomlisonSynthetic aperture ladar for tactical imaging (SALTI) flight test results and path forwardthe Coherent Laser Radar Conferences9-13 July 2007Snowmass, Colorado, USA

B. Krause, J. Buck, C. Ryan, D. Hwang, P. Kondratko, A. Malm, A. Gleason, and S. AshbyCLEO: 2011- Laser Applications to Photonic Applications, Technical Digest (CD)Optical Society of America2011paper PDPB7

N. D. Hardy and J. H. ShapiroComputational ghost imaging versus imaging laser radar for three-dimensional imagingPhys. Rev.2013A 87023820-1023820-11

W. Jing, M. Xing, C.-W. Qiu, Z. Bao, and T.-S. YeoUnambiguous reconstruction and high-resolution imaging for multiple-channel SAR and airborne experiment resultsIEEE Geosci. Remote Sens. Lett.20096102106

A. Meta, P. Hoogeboom, and L. P. LigthartSignal processing for FMCW SARIEEE Trans. Geosci. Remote Sens.20074535193532

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