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Laser & Optoelectronics Progress, Volume. 59, Issue 10, 1011005(2022)

Experiment of Optical Coherence Tomography in Determining the Sequence of Intersecting Lines of Printed Documents

Peng Jiang1, Di Wu1, Fei Xie1, Shuhui Gao1、*, and Nengbin Cai2
Author Affiliations
  • 1School of Investigation, People’s Public Security University of China, Beijing 100038, China
  • 2Shanghai Key Laboratory of Crime Scene Evidence, Shanghai 200083, China
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    References (12)
    Cited By (2)
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    Figures & Tables(8)
    Schematic diagram of spectral domain OCT system

    Fig. 1. Schematic diagram of spectral domain OCT system

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    OCT imaging comparison between sample L1-S and sample L1-P. (a) Original appearance of imaging area of sample L1-S; (b) original appearance of imaging area of sample L1-P; (c) OCT two-dimensional imaging of sample L1-S; (d) OCT two-dimensional imaging of sample L1-P; (e) OCT three-dimensional imaging of sample L1-S; (f) OCT three-dimensional imaging of sample L1-P

    Fig. 2. OCT imaging comparison between sample L1-S and sample L1-P. (a) Original appearance of imaging area of sample L1-S; (b) original appearance of imaging area of sample L1-P; (c) OCT two-dimensional imaging of sample L1-S; (d) OCT two-dimensional imaging of sample L1-P; (e) OCT three-dimensional imaging of sample L1-S; (f) OCT three-dimensional imaging of sample L1-P

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    OCT imaging comparison between sample L2-S and sample L2-P. (a) Original appearance of imaging area of sample L2-S; (b) original appearance of imaging area of sample L2-P; (c) OCT two-dimensional imaging of sample L2-S; (d) OCT two-dimensional imaging of sample L2-P; (e) OCT three-dimensional imaging of sample L2-S; (f) OCT three-dimensional imaging of sample L2-P

    Fig. 3. OCT imaging comparison between sample L2-S and sample L2-P. (a) Original appearance of imaging area of sample L2-S; (b) original appearance of imaging area of sample L2-P; (c) OCT two-dimensional imaging of sample L2-S; (d) OCT two-dimensional imaging of sample L2-P; (e) OCT three-dimensional imaging of sample L2-S; (f) OCT three-dimensional imaging of sample L2-P

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    OCT imaging comparison between sample P1-S and sample P1-P. (a) Original appearance of imaging area of sample P1-S; (b) original appearance of imaging area of sample P1-P; (c) OCT two-dimensional imaging of sample P1-S; (d) OCT two-dimensional imaging of sample P1-P; (e) OCT three-dimensional imaging of sample P1-S; (f) OCT three-dimensional imaging of sample P1-P

    Fig. 4. OCT imaging comparison between sample P1-S and sample P1-P. (a) Original appearance of imaging area of sample P1-S; (b) original appearance of imaging area of sample P1-P; (c) OCT two-dimensional imaging of sample P1-S; (d) OCT two-dimensional imaging of sample P1-P; (e) OCT three-dimensional imaging of sample P1-S; (f) OCT three-dimensional imaging of sample P1-P

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    OCT imaging comparison between sample P2-S and sample P2-P. (a) Original appearance of imaging area of sample P2-S; (b) original appearance of imaging area of sample P2-P; (c) OCT two-dimensional imaging of sample P2-S; (d) OCT two-dimensional imaging of sample P2-P; (e) OCT three-dimensional imaging of sample P2-S; (f) OCT three-dimensional imaging of sample P2-P

    Fig. 5. OCT imaging comparison between sample P2-S and sample P2-P. (a) Original appearance of imaging area of sample P2-S; (b) original appearance of imaging area of sample P2-P; (c) OCT two-dimensional imaging of sample P2-S; (d) OCT two-dimensional imaging of sample P2-P; (e) OCT three-dimensional imaging of sample P2-S; (f) OCT three-dimensional imaging of sample P2-P

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    • Table 1. Types of laser printer

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      Table 1. Types of laser printer

      No.BrandTypeModel
      L1HPLaser printerLaser Jet M1522nf
      L2Color Laser Jet CP5225
      P1CanonInk jet printer （thermal bubble）iP7280
      P2BrotherInk jet printer （micro piezoelectric）T300

    • Table 2. Types of stamp-pad ink

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      Table 2. Types of stamp-pad ink

      No.BrandTypeModel
      1DeliOil-basedNO.9874
      2Water-basedNo.9868

    • Table 3. Sample No.

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      Table 3. Sample No.

      Group numberSample IDPrinterStamp-pad Ink
      Group 1L1-SL11
      L1-P
      P1-SP1
      P1-P
      Group 2L2-SL22
      L2-P
      P2-SP2
      P2-P
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    Peng Jiang, Di Wu, Fei Xie, Shuhui Gao, Nengbin Cai. Experiment of Optical Coherence Tomography in Determining the Sequence of Intersecting Lines of Printed Documents[J]. Laser & Optoelectronics Progress, 2022, 59(10): 1011005

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    Paper Information

    Category: Imaging Systems

    Received: Jul. 1, 2021

    Accepted: Aug. 27, 2021

    Published Online: May. 16, 2022

    The Author Email: Shuhui Gao (gaoshuhui@ppsuc.edu.cn)

    DOI:10.3788/LOP202259.1011005

    Topics

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