Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Xiangqian Quan"'
Publikováno v:
IET Image Processing, Vol 18, Iss 12, Pp 3634-3649 (2024)
Abstract Accurately identifying tropical fish serves as a crucial indicator, offering an insight into the state of marine biodiversity and the condition of coral reef ecosystems. However, the current detection networks are prone to omission and misid
Externí odkaz:
https://doaj.org/article/9d197e28a2554fc584f9d39f9498a650
Autor:
Jing Zhou, Haocai Huang, S.H. Huang, Yulin Si, Kai Shi, Xiangqian Quan, Chunlei Guo, Chen-Wei Chen, Zhikun Wang, Yingqiang Wang, Zhanglin Wang, Chengye Cai, Ruoyu Hu, Zhenwei Rong, Jiazhong He, Ming Liu, Ying Chen
Publikováno v:
Engineering, Vol 25, Iss , Pp 21-27 (2023)
Externí odkaz:
https://doaj.org/article/0f5d7adc1c66404988cdcb229d75301f
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
IntroductionThe design of high-pressure optical windows is one of the key tasks in deep-sea exploration, as it directly determines the reliability and maximum operating depth of underwater optical equipment.MethodIn this paper, mechanical modeling an
Externí odkaz:
https://doaj.org/article/3f3c062ea58a43628bd24121a90c48c6
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
IntroductionMarine ferromanganese crusts are potentially important metal resources.The deep-ocean research and survey ships often need to carry out rapid chemical element component analysis of mineral resources, so as to plan for the geological resou
Externí odkaz:
https://doaj.org/article/1fdc0553152c47df9d45794ac210ba70
Publikováno v:
Sensors, Vol 23, Iss 19, p 8215 (2023)
The effective-area method is a new way to measure aperture area. It defines aperture area by directly using the beam-limiting effect of the aperture in radiometric measurement. Due to the special structure of the measurement device, it is necessary t
Externí odkaz:
https://doaj.org/article/e165833796a344e691b5e1dfcc523a32
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
Due to the attenuation of light in water, the deep-sea optical imaging system needs an active lighting system to provide the light source. However, because of the nonlinearity of light attenuation in spatial dimension and spectral dimension, the deep
Externí odkaz:
https://doaj.org/article/76a57731526341f7986dea37e425bd95
Autor:
Xiangzi Chen, Xiangqian Quan
Publikováno v:
Sensors, Vol 22, Iss 16, p 6237 (2022)
Due to advantages such as the high efficiency of light utilization, small volume, and vibration resistance, digital micro-mirror device (DMD)-based spectrometers are widely used in ocean investigations, mountain surveys, and other field science resea
Externí odkaz:
https://doaj.org/article/713db3a8ca0548c9bb95d99a57facdd2
Publikováno v:
Information, Vol 13, Iss 4, p 187 (2022)
Due to the absorption and scattering effects of light in water bodies and the non-uniformity and insufficiency of artificial illumination, underwater images often present various degradation problems, impacting their utility in underwater application
Externí odkaz:
https://doaj.org/article/62763a993d34475abae5f660d5475a65
Publikováno v:
Sensors, Vol 22, Iss 2, p 692 (2022)
As one of the most direct approaches to perceive the world, optical images can provide plenty of useful information for underwater applications. However, underwater images often present color deviation due to the light attenuation in the water, which
Externí odkaz:
https://doaj.org/article/aacc81103a2047da884f10ad5ab360bb
Publikováno v:
Frontiers in Marine Science; 2024, p1-13, 13p