期刊
IEEE ACCESS
卷 7, 期 -, 页码 44080-44086出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2019.2897691
关键词
Image enhancement; underwater imaging; low lighting; deep-sea
资金
- Leading Initiative for Excellent Young Researcher (LEADER) of the Ministry of Education, Culture, Sports, Science and Technology-Japan [16809746]
- Japan Society for the Promotion of Science [17K14694]
- Research Fund of the State Key Laboratory of Marine Geology, Tongji University [MGK1608]
- Research Fund of the Telecommunications Advancement Foundation
- Open Collaborative Research Program, National Institute of Informatics Japan (NII)
- Japan-China Scientific Cooperation Program [6171101454]
- International Exchange Program of the National Institute of Information and Communications (NICT)
- Fundamental Research Developing Association for Shipbuilding and Offshore
To monitor the sedimentary process and morphological evolution in the South China Sea, free-ascending deep-sea tripod (FDT) has been developed. This FDT was equipped with a deep-sea camera and landed on the sea floor at a depth of 2100 m. Although the FDT was equipped with an artificial light, the battery capacity limited the duration and intensity of light. Therefore, enhancing such low-illumination images to obtain clear visual effects is an important advancement for analyzing the geological evolution process. In this paper, an adaptive bright-color channel-based low-light underwater image-enhancement method and a denoising method are proposed to enhance such images and remove noise and artifacts. The experimental results demonstrated that the proposed method outperformed state-of-the-art methods.
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