Optical Instruments, Volume. 46, Issue 3, 73(2024)

Design of a real-time underwater binocular image acquisition and processing system based on ZYNQ

Chongbing ZHANG, Xiaowei LI, Ningyang WEI, Yue CHENG, and Jin LI
Author Affiliations
  • China Ship Scientific Research Center, Wuxi 214082, China
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    Figures & Tables(10)
    Overall system block diagram
    RTL circuit of overall system structure
    Timing diagram of two OV5640 working signals
    AXI protocol timing diagram
    Timing diagram of AXI4-Stream interface signal
    The workflow of LwIP
    Prototype of underwater binocular camera
    Real time image acquisition and display with binocular cameras
    Stereoscopic correction of binocular images
    • Table 1. Calibration parameters for binocular cameras

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      Table 1. Calibration parameters for binocular cameras

      设备左相机右相机
      内参矩阵$ \left[\begin{array}{ccc}1\;514.966\;84& 0.812\;33& 180.731\;56\\ 0& 1\;515.988\;35& 315.154\;62\\ 0& 0& 1\end{array}\right] $$ \left[\begin{array}{ccc}1\;521.277\;90& 0.637\;67& 155.092\;74\\ 0& 1\;522.239\;42& 352.101\;39\\ 0& 0& 1\end{array}\right] $
      畸变系数$ \left[\begin{array}{ccc}-0.085\;41& 0.018\;13& 0.292\;76\end{array}\right] $$ \left[\begin{array}{ccc}-0.091\;24& 0.036\;78& 0.203\;14\end{array}\right] $
      旋转矩阵$ \left[\begin{array}{ccc}0.999\;43& -0.033\;05& -0.007\;17\\ 0.033\;01& 0.999\;44& -0.005\;74\\ 0.007\;36& 0.005\;50& 0.999\;96\end{array}\right] $
      平移矩阵$ \left[\begin{array}{ccc}-57.483\;61& -1.230\;10& -0.685\;21\end{array}\right] $
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    Chongbing ZHANG, Xiaowei LI, Ningyang WEI, Yue CHENG, Jin LI. Design of a real-time underwater binocular image acquisition and processing system based on ZYNQ[J]. Optical Instruments, 2024, 46(3): 73

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    Paper Information

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    Received: Dec. 28, 2023

    Accepted: --

    Published Online: Jul. 31, 2024

    The Author Email:

    DOI:10.3969/j.issn.1005-5630.202312280140

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