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Chinese Journal of Lasers, Volume. 45, Issue 11, 1107002(2018)

Handheld Optical Coherence Tomography Based on Logarithmic Compensation and Motion Threshold

Yue Zhang*, Wanrong Gao*, Lanlan Zhang, and Weisong Shi
Author Affiliations
  • Department of Optical Engineering, School of Electronic Engineering and Optoelectronic Technique, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
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    Schematic of the handheld SSOCT microvascular imaging system

    Fig. 1. Schematic of the handheld SSOCT microvascular imaging system

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    Actual picture of the handheld SSOCT microvascular imaging system. (a) Prototype; (b) handheld sample arm

    Fig. 2. Actual picture of the handheld SSOCT microvascular imaging system. (a) Prototype; (b) handheld sample arm

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    Flow chart of motion threshold algorithm

    Fig. 3. Flow chart of motion threshold algorithm

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    Comparison of in vivo imaging results of the left thumb’s root. (a) Imaging area of the left-hand thumb; (b) en-face image using PID algorithm without logarithmic compensation; (c) en-face image using logarithmic-compensated PID algorithm; (d) en-face image using logarithmic-compensated PID algorithm with motion threshold

    Fig. 4. Comparison of in vivo imaging results of the left thumb’s root. (a) Imaging area of the left-hand thumb; (b) en-face image using PID algorithm without logarithmic compensation; (c) en-face image using logarithmic-compensated PID algorithm; (d) en-face image using logarithmic-compensated PID algorithm with motion threshold

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    Comparison of in vivo imaging results of the left hand ring finger. (a) Imaging area of the left hand ring finger; (b) en-face image using PID algorithm without logarithmic compensation; (c) en-face image using logarithmic-compensated PID algorithm; (d) en-face image of logarithmic-compensated PID algorithm with motion threshold

    Fig. 5. Comparison of in vivo imaging results of the left hand ring finger. (a) Imaging area of the left hand ring finger; (b) en-face image using PID algorithm without logarithmic compensation; (c) en-face image using logarithmic-compensated PID algorithm; (d) en-face image of logarithmic-compensated PID algorithm with motion threshold

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    Yue Zhang, Wanrong Gao, Lanlan Zhang, Weisong Shi. Handheld Optical Coherence Tomography Based on Logarithmic Compensation and Motion Threshold[J]. Chinese Journal of Lasers, 2018, 45(11): 1107002

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    Paper Information

    Category: biomedical photonics and laser medicine

    Received: May. 22, 2018

    Accepted: Jul. 2, 2018

    Published Online: May. 9, 2019

    The Author Email:

    DOI:10.3788/CJL201845.1107002

    Topics

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