Shake reduction method of underwater laser scanning system for high-precision measurement

被引：4
|
作者：
Xie, Liangliang [1 ]
Zhang, Xu [1 ]
Tu, Dawei [1 ]
Xiao, Guoliang [1 ]
Jin, Pan [1 ]
Zhang, Can [1 ]
机构：
[1] Shanghai Univ, Sch Mechatron Engn & Automat, Shanghai, Peoples R China
来源：
OPTICAL ENGINEERING | 2019年 / 58卷 / 08期
基金：
中国国家自然科学基金;
关键词：
shake reduction method; underwater dynamic measurement; high-precision measurement; STEREO-VISION; RECONSTRUCTION;
D O I：
10.1117/1.OE.58.8.084108
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
To minimize dynamic measurement error in an underwater laser scanning system, a shake reduction method is proposed. Feature points are used to construct a dynamic coordinate, estimate the position and attitude of the scanning system synchronously, and correct the scanning results, so as to achieve high-precision measurement under severe shaking conditions. Experimental results show that the dynamic measurement error is < 2 mm and the RMS is < 2 mm when the target is located 3 m away, which verifies the feasibility of the method. (C) 2019 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：7
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