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Chinese Journal of Lasers, Volume. 45, Issue 3, 307018(2018)

Fast Photoacoustic Imaging Reconstruction Method Based on Lanczos Double Diagonalization

Zhang Na1、*, Feng Jinchao1,2, Li Zhe1,2, and Jia Kebin1,2,3
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  • 1[in Chinese]
  • 2[in Chinese]
  • 3[in Chinese]
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
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    References (27)
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    Figures & Tables(10)
    Curves of two filter factors versus regularization parameters in single source simulation

    Fig. 1. Curves of two filter factors versus regularization parameters in single source simulation

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    Flow chart of the proposed algorithm

    Fig. 2. Flow chart of the proposed algorithm

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    Diagram of photoacoustic data acquisition

    Fig. 3. Diagram of photoacoustic data acquisition

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    Distribution of true single source and reconstruction results using different algorithms in case of signal source.(a) Distribution of true single source; reconstruction results obtained by (b) BP, (c) Tikhonov,(d) EF, and (e) Lanczos-EF methods

    Fig. 4. Distribution of true single source and reconstruction results using different algorithms in case of signal source.(a) Distribution of true single source; reconstruction results obtained by (b) BP, (c) Tikhonov,(d) EF, and (e) Lanczos-EF methods

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    Comparison of quantitative results using different reconstruction methods in case of single source.(a) PC; (b) CNR; (c) reconstruction time

    Fig. 5. Comparison of quantitative results using different reconstruction methods in case of single source.(a) PC; (b) CNR; (c) reconstruction time

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    Distribution of true two sources and reconstruction results using different algorithms in case of two sources.(a) Distribution of true two sources; reconstruction results obtained by (b) BP, (c) Tikhonov,(d) EF and (e) Lanczos-EF methods

    Fig. 6. Distribution of true two sources and reconstruction results using different algorithms in case of two sources.(a) Distribution of true two sources; reconstruction results obtained by (b) BP, (c) Tikhonov,(d) EF and (e) Lanczos-EF methods

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    Comparison of quantitative results using different reconstruction methods in case of two sources.(a) PC; (b) CNR; (c) reconstruction time

    Fig. 7. Comparison of quantitative results using different reconstruction methods in case of two sources.(a) PC; (b) CNR; (c) reconstruction time

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    Distribution of true blood vessel image and simulation results of blood vessel. (a) Distribution of true blood vessel image; reconstruction results obtained by (b) BP, (c) Tikhonov, (d) EF and (e) Lanczos-EF methods

    Fig. 8. Distribution of true blood vessel image and simulation results of blood vessel. (a) Distribution of true blood vessel image; reconstruction results obtained by (b) BP, (c) Tikhonov, (d) EF and (e) Lanczos-EF methods

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    Comparison of quantitative results of blood vessel image obtained by different methods.(a) PC; (b) CNR; (c) reconstruction time

    Fig. 9. Comparison of quantitative results of blood vessel image obtained by different methods.(a) PC; (b) CNR; (c) reconstruction time

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    • Table 1. Comparison of quantitative results of four reconstruction methods

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      Table 1. Comparison of quantitative results of four reconstruction methods

      MethodSingle sourceTwo sourcesBlood vessel
      λ/kPCCNRTime /sλ/kPCCNRTime /sλ/kPCCNRTime /s
      BP-0.6922.8518-0.654.8512-0.543.1541
      Tikhonov6.2×10-30.7121.210585.6×10-30.8313.814804.3×10-30.624.01057
      EF1.2×10-30.7928.311021.0×10-30.8214.214701.6×10-30.654.21341
      Lanczos-EF250.8028.323250.8214.227250.654.220
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    Zhang Na, Feng Jinchao, Li Zhe, Jia Kebin. Fast Photoacoustic Imaging Reconstruction Method Based on Lanczos Double Diagonalization[J]. Chinese Journal of Lasers, 2018, 45(3): 307018

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    Paper Information

    Special Issue:

    Received: Sep. 13, 2017

    Accepted: --

    Published Online: Mar. 6, 2018

    The Author Email: Na Zhang (S201602079@emails.bjut.edu.cn)

    DOI:10.3788/CJL201845.0307018

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology