Inversion of side scan sonar motion and posture in seabed geomorphology

• Autorzy: Tao W. , Liu Y. , Hu W.
• Języki publikacji: EN

Abstrakty

EN

Side scan sonar measurement platform, affected by underwater environment and its own motion precision, inevitably has posture and motion disturbance, which greatly affects accuracy of geomorphic image formation. It is difficult to sensitively and accurately capture these underwater disturbances by relying on auxiliary navigation devices. In this paper, we propose a method to invert motion and posture information of the measurement platform by using the matching relation between the strip images. The inversion algorithm is the key link in the image mosaic frame of side scan sonar, and the acquired motion posture information can effectively improve seabed topography and plotting accuracy and stability. In this paper, we first analyze influence of platform motion and posture on side scan sonar mapping, and establish the correlation model between motion, posture information and strip image matching information. Then, based on the model, a reverse neural network is established. Based on input, output of neural network, design of and test data set, a motion posture inversion mechanism based on strip image matching information is established. Accuracy and validity of the algorithm are verified by the experimental results

• Wydawca: -
• Czasopismo: Polish Maritime Research
• Rocznik: 2017
• Tom: 24
• Numer: Special Issue S2
• Opis fizyczny: p.81-88,fig.,ref.

Twórcy

autor

Tao W.

• The School of Electronic Information, Wuhan University, Wuhan, Hubei, 430074, China

autor

Liu Y.

• State Key Laboratory of Power Grid Environmental Protection, China Electric Power Research Institute, Wuhan, Hubei, China

autor

Hu W.

• The School of Electronic Information, Wuhan University, Wuhan, Hubei, China

Bibliografia

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Identyfikatory

DOI

10.1515/pomr-2017-0068