Wave Surface Identification Based on Stereo Vision and Wave Theory: an Initial Attempt

LI Shan; LI Ye

doi:10.21656/1000-0887.430026

Volume 43 Issue 12

Dec. 2022

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LI Shan, LI Ye. Wave Surface Identification Based on Stereo Vision and Wave Theory: an Initial Attempt[J]. Applied Mathematics and Mechanics, 2022, 43(12): 1359-1369. doi: 10.21656/1000-0887.430026

Citation:

LI Shan, LI Ye. Wave Surface Identification Based on Stereo Vision and Wave Theory: an Initial Attempt[J]. Applied Mathematics and Mechanics, 2022, 43(12): 1359-1369. doi: 10.21656/1000-0887.430026

Citation:

LI Shan, LI Ye. Wave Surface Identification Based on Stereo Vision and Wave Theory: an Initial Attempt[J]. Applied Mathematics and Mechanics, 2022, 43(12): 1359-1369. doi: 10.21656/1000-0887.430026

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Wave Surface Identification Based on Stereo Vision and Wave Theory: an Initial Attempt

doi: 10.21656/1000-0887.430026

LI Shan^{1, 2
,},
LI Ye^{1, 2
,
,}

1.
School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, P.R.China
2.
State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, P.R.China

Received Date: 2022-01-13
Rev Recd Date: 2022-06-14

Available Online: 2022-12-27

Publish Date: 2022-12-01

Abstract

Abstract

The wave height is the most basic element of wave information, and accurate measurement of wave heights plays a crucial role in both understanding wave theory and verifying numerical models. An improved optical measurement system was proposed based on the principle of binocular stereo vision, which breaks through the limitations of traditional measurement devices such as wave gauges and other single-point measurements, and improves the commonly used optical measurement method relying solely on images by involving the water wave theory into the data post-processing procedure. Through the identification and reconstruction of the unidirectional regular wave surface in a towing tank and the comparison of the results with the wave gauges and theoretical incoming wave parameters for validation, the research shows that, the measuring system has an error of about 1% in the measurement of a wide-area wave surface. Finally, a preliminary attempt was made on the irregular wave surface identification.
- wave surface identification,
- stereo vision,
- wave theory

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References(39)

References

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