Radial Error Analysis and Compensation for Forward Looking Scanning Sonar Imaging

Bo YANG; Wei WANG; Yeyao LIU; Xinguo LI; Tao LIANG; Weizhen GUO; Jiawei LIAO; Feng PAN

doi:10.11999/JEIT200744

Volume 43 Issue 3

Mar. 2021

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Article Navigation > Journal of Electronics & Information Technology > 2021 > 43(3): 796-802

Bo YANG, Wei WANG, Yeyao LIU, Xinguo LI, Tao LIANG, Weizhen GUO, Jiawei LIAO, Feng PAN. Radial Error Analysis and Compensation for Forward Looking Scanning Sonar Imaging[J]. Journal of Electronics & Information Technology, 2021, 43(3): 796-802. doi: 10.11999/JEIT200744

Citation:

Bo YANG, Wei WANG, Yeyao LIU, Xinguo LI, Tao LIANG, Weizhen GUO, Jiawei LIAO, Feng PAN. Radial Error Analysis and Compensation for Forward Looking Scanning Sonar Imaging[J]. Journal of Electronics & Information Technology, 2021, 43(3): 796-802. doi: 10.11999/JEIT200744

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Radial Error Analysis and Compensation for Forward Looking Scanning Sonar Imaging

doi: 10.11999/JEIT200744

Bo YANG^{1, 2
,
,},
Wei WANG^{1, 2, 3},
Yeyao LIU^{1, 2, 3},
Xinguo LI^{1, 2},
Tao LIANG^{1, 2, 3},
Weizhen GUO^{1, 2, 3},
Jiawei LIAO^{1, 2},
Feng PAN⁴

1.
Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China
2.
Beijing Engineering Technology Research Center of Ocean Acoustic Equipment, Beijing 100190, China
3.
University of Chinese Academy of Sciences, Beijing 100049, China
4.
Institute of Information Enginneering, Chinese Academy of Sciences, Beijing 100093, China

Funds: The National Key Research and Development Program of China(2016YFC0300605), From 0 to 1 Original Innovation Project of Basic Frontier Science Research Program of CAS(ZDBS-LY-7015)

Received Date: 2020-08-24
Rev Recd Date: 2021-02-08

Available Online: 2021-02-18

Publish Date: 2021-03-22

Abstract

Abstract

Imaging method based on motion compensation for forward-looking scanning sonar is proposed. By using backward mapping, sector imaging region in the Cartesian coordinate system is converted into polar coordinates. Then two-dimension interpolation is employed in polar coordinates, and the amplitude is extracted and converted into image format. The vehicle motion model is established and analyzed, and vehicle motion is transformed into image domain motion. Real-time motion compensation for forward-looking sonar image is made eliminate radial errors. The forward-looking sonar data of the “Deep Sea Warrior” is analyzed. The maximum radial error of the single image is approximately 19% of the range. The simulation and experimental results show that this algorithm compensates the radial error of the image caused by the motion, which can represent the target information accurately.
- Forward-looking sonar,
- Backward mapping,
- Bilinear interpolation,
- Sonar imaging,
- Radial error,
- Motion compensation

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References(16)

References

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