Design and Implementation of 3-D Measurement Method for Container Handling Target

被引：45

作者：

Mi, Chao ^{[1
]}

Huang, Shifeng ^{[2
]}

Zhang, Yujie ^{[3
]}

Zhang, Zhiwei ^{[4
]}

Postolache, Octavian ^{[5
]}

机构：

[1] Shanghai Maritime Univ, Container Supply Chain Technol Engn Res Ctr, Minist Educ, Shanghai 201306, Peoples R China

[2] Shanghai Maritime Univ, Logist Sci & Engn Res Inst Sch, Shanghai 201306, Peoples R China

[3] Shanghai Maritime Univ, Logist Engn Coll, Shanghai 201306, Peoples R China

[4] Shanghai SMUVis Smart Technol Ltd, Shanghai 201306, Peoples R China

[5] Univ Lisbon, Inst Telecomunicacoes ISCTE Inst, P-1649026 Lisbon, Portugal

来源：

JOURNAL OF MARINE SCIENCE AND ENGINEERING | 2022年 / 10卷 / 12期

关键词：

automated container terminals; container handling; container attitude; three-dimensional measurement;

D O I：

10.3390/jmse10121961

中图分类号：

U6 [水路运输]; P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

In the process of automatic container terminal loading and unloading, the three-dimensional attitude of the container affects the security of loading and unloading operations, so the three-dimensional attitude positioning of the container is very important. In this paper, a visual non-contact measurement method is used to realize the real-time orientation of the three-dimensional attitude of the container. First, the container corner is coarsely positioned by a small-scale deep learning network. Secondly, the precise position of the container keyhole is obtained by the secondary positioning of the container corner through the traditional image processing algorithm, and the container posture is measured in three dimensions by combining the physical motion model of the container during loading and unloading. After testing, unlike previous measurement methods, the measurement accuracy of this method met the requirements of automatic loading and unloading of container terminals, and the measurement time met the requirements of real-time measurement.

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