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Open AccessReview

Underwater Hyperspectral Imaging Technology and Its Applications for Detecting and Mapping the Seafloor: A Review

1
Key Laboratory of Laser & Infrared System, Ministry of Education, Shandong University, Qingdao 266237, China
2
School of Information Science & Engineering and Shandong Provincial Key Laboratory of Laser Technology and Application, Shandong University, Qingdao 266237, China
3
Center for Optics Research and Engineering, Shandong University, Qingdao 266237, China
4
National Deep Sea Center, No.6, Xianxialing Road, Qingdao 266061, China
*
Author to whom correspondence should be addressed.
Sensors 2020, 20(17), 4962; https://doi.org/10.3390/s20174962
Received: 29 July 2020 / Revised: 20 August 2020 / Accepted: 31 August 2020 / Published: 2 September 2020
(This article belongs to the Section Remote Sensors)
Common methods of ocean remote sensing and seafloor surveying are mainly carried out by airborne and spaceborne hyperspectral imagers. However, the water column hinders the propagation of sunlight to deeper areas, thus limiting the scope of observation. As an emerging technology, underwater hyperspectral imaging (UHI) is an extension of hyperspectral imaging technology in air conditions, and is undergoing rapid development for applications in shallow and deep-sea environments. It is a close-range, high-resolution approach for detecting and mapping the seafloor. In this paper, we focus on the concepts of UHI technology, covering imaging systems and the correction methods of eliminating the water column’s influence. The current applications of UHI, such as deep-sea mineral exploration, benthic habitat mapping, and underwater archaeology, are highlighted to show the potential of this technology. This review can provide an introduction and overview for those working in the field and offer a reference for those searching for literature on UHI technology. View Full-Text
Keywords: underwater hyperspectral imaging; multispectral; marine mineral exploration; benthic habitat mapping; underwater archaeology underwater hyperspectral imaging; multispectral; marine mineral exploration; benthic habitat mapping; underwater archaeology
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MDPI and ACS Style

Liu, B.; Liu, Z.; Men, S.; Li, Y.; Ding, Z.; He, J.; Zhao, Z. Underwater Hyperspectral Imaging Technology and Its Applications for Detecting and Mapping the Seafloor: A Review. Sensors 2020, 20, 4962. https://doi.org/10.3390/s20174962

AMA Style

Liu B, Liu Z, Men S, Li Y, Ding Z, He J, Zhao Z. Underwater Hyperspectral Imaging Technology and Its Applications for Detecting and Mapping the Seafloor: A Review. Sensors. 2020; 20(17):4962. https://doi.org/10.3390/s20174962

Chicago/Turabian Style

Liu, Bohan; Liu, Zhaojun; Men, Shaojie; Li, Yongfu; Ding, Zhongjun; He, Jiahao; Zhao, Zhigang. 2020. "Underwater Hyperspectral Imaging Technology and Its Applications for Detecting and Mapping the Seafloor: A Review" Sensors 20, no. 17: 4962. https://doi.org/10.3390/s20174962

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