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Laser & Optoelectronics Progress, Volume. 61, Issue 24, 2411004(2024)

Vascular Imaging Method Based on Adaptive-Window-Space Directional Contrast Method

Bo Zhang1, De Li1, Haoning Guo2, Huiquan Wang1,3,4, Xuan Wang1, and Guang Han1,3,4、*
Author Affiliations
  • 1School of Life Sciences, Tiangong University, Tianjin 300387, China
  • 2School of Electronics and Information Engineering, Tiangong University, Tianjin 300387, China
  • 3Tianjin Key Laboratory of Quality Control and Evaluation Technology for Medical Devices, Tianjin 300387, China
  • 4Tianjin Key Laboratory of Optoelectronic Detection Technology and System, Tianjin 300387, China
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    Figures & Tables(4)
    Diagram of four kinds of laser speckle contrast imaging method in the spatial contrast. (a) SK method; (b) SDK method; (c) AWK method; (d) AWSDK method

    Fig. 1. Diagram of four kinds of laser speckle contrast imaging method in the spatial contrast. (a) SK method; (b) SDK method; (c) AWK method; (d) AWSDK method

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    Diagram of R-LSCI system

    Fig. 2. Diagram of R-LSCI system

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    Experimental results of skin imaging after four spatial contrast methods. (a) Contrast images processed by four spatial contrast methods; (b) relative velocity images of blood flow processed by four spatial contrast methods; (c) ROI selection diagram; (d) contrast images of CNR processed by four spatial contrast methods

    Fig. 3. Experimental results of skin imaging after four spatial contrast methods. (a) Contrast images processed by four spatial contrast methods; (b) relative velocity images of blood flow processed by four spatial contrast methods; (c) ROI selection diagram; (d) contrast images of CNR processed by four spatial contrast methods

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    Experimental results of blood flow velocity monitoring after four spatial contrast methods. (a) Relative velocity images of blood flow processed by four spatial contrast methods; (b) contrast images of CNR processed by four spatial contrast methods in a period of time

    Fig. 4. Experimental results of blood flow velocity monitoring after four spatial contrast methods. (a) Relative velocity images of blood flow processed by four spatial contrast methods; (b) contrast images of CNR processed by four spatial contrast methods in a period of time

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    Bo Zhang, De Li, Haoning Guo, Huiquan Wang, Xuan Wang, Guang Han. Vascular Imaging Method Based on Adaptive-Window-Space Directional Contrast Method[J]. Laser & Optoelectronics Progress, 2024, 61(24): 2411004

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    Paper Information

    Category: Imaging Systems

    Received: Mar. 19, 2024

    Accepted: Apr. 28, 2024

    Published Online: Dec. 10, 2024

    The Author Email: Guang Han (hanguang@tiangong.edu.cn)

    DOI:10.3788/LOP240921

    CSTR:32186.14.LOP240921

    Topics

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