• Laser & Optoelectronics Progress
  • Vol. 59, Issue 10, 1011005 (2022)
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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    DOI: 10.3788/LOP202259.1011005 Cite this Article Set citation alerts
    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 Copy Citation Text show less
    Schematic diagram of spectral domain OCT system
    Fig. 1. Schematic diagram of spectral domain OCT system
    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
    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
    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
    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
    No.BrandTypeModel
    L1HPLaser printerLaser Jet M1522nf
    L2Color Laser Jet CP5225
    P1CanonInk jet printer (thermal bubble)iP7280
    P2BrotherInk jet printer (micro piezoelectric)T300
    Table 1. Types of laser printer
    No.BrandTypeModel
    1DeliOil-basedNO.9874
    2Water-basedNo.9868
    Table 2. Types of stamp-pad ink
    Group numberSample IDPrinterStamp-pad Ink
    Group 1L1-SL11
    L1-P
    P1-SP1
    P1-P
    Group 2L2-SL22
    L2-P
    P2-SP2
    P2-P
    Table 3. Sample No.
    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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