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Marcel Louis Meli, Sebastien Favre, Benjamin Maij, Stefan Stajic, Manuel Boebel, Philip John Poole, Martin Schellenberg and Charalampos S. Kouzinopoulos
Harvesting energy for IoT nodes in places that are permanently poorly lit is important, as many such places exist in buildings and other locations. The need for energy-autonomous devices working in such environments has so far received little attention. ...
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Feng Tian, Mengjiao Wang and Xiaopei Liu
Aiming at solving the problems of local halo blurring, insufficient edge detail preservation, and serious noise in traditional image enhancement algorithms, an improved Retinex algorithm for low-light mine image enhancement is proposed. Firstly, in HSV c...
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Xinxin Pan, Changli Li, Zhigeng Pan, Jingwen Yan, Shiqiang Tang and Xinghui Yin
Recently, low-light image enhancement has attracted much attention. However, some problems still exist. For instance, sometimes dark regions are not fully improved, but bright regions near the light source or auxiliary light source are overexposed. To ad...
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Hao Tang, Hongyu Zhu, Huanjie Tao and Chao Xie
Due to the influence of the environment and the limit of optical equipment, low-light images produce problems such as low brightness, high noise, low contrast, and color distortion, which have a great impact on their visual perception and the following i...
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Kyung-Ryang Lee, Sung-Dae Yeo, Seung-Il Cho and Seong-Kweon Kim
Conventional fluorescent light sources, as well as incandescent light sources are gradually being replaced by Light Emitting Diodes (LEDs) for reducing power consumption in the image display area for multimedia application. An LED light source requires a...
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Rai Chiranjeevi, Vairavasundaram Indragandhi, Devarajan Gunapriya, Vairavasundaram Subramaniyaswamy, Michal Jasinski, Vishnu Suresh and Zbigniew Leonowicz
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Benjamin Lilly, Deniz Cetinkaya and Umut Durak
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Xiangwei Bai, Qing Li and Yanqun Tang
In this paper, a low-complexity multi-cell resource allocation algorithm with a near-optimal system throughput is proposed to resolve the conflict between the high system throughput and low complexity of indoor visible light communication ultra-dense net...
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Mauricio Torres, Saúl Piedra, Saúl Ledesma, Carlos A. Escalante-Velázquez and Giovanni Angelucci
This work describes the technological and scientific efforts on designing, manufacturing and testing validation for high performance-low cost composite structures for Light Sport Aircrafts (LSA). A Mexican initiative to conceive, manufacture and assembly...
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Huapeng Tang, Danyang Qin, Jiaqiang Yang, Haoze Bie, Yue Li, Yong Zhu and Lin Ma
In indoor low-light environments, the lack of light makes the captured images often suffer from quality degradation problems, including missing features in dark areas, noise interference, low brightness, and low contrast. Therefore, the feature extractio...
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Gobinath Jegannathan, Hans Ingelberts and Maarten Kuijk
Single photon counting, LIDAR, FLI, Low light imaging.
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Konstantinos Kozalakis, Ioannis Sofianidis, Vasileios Konstantakos, Kostas Siozios and Stylianos Siskos
This work introduces a light harvesting system with battery management. In contrast to relevant solutions that operate in limited ranges, the proposed system covers a wide operating input power range from 10 uW up to 300 mW. Specifically, experimental re...
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Flaminia Chellini, Alessia Tani, Sandra Zecchi-Orlandini, Marco Giannelli and Chiara Sassoli
Although photobiomodulation (PBM) has proven promising to treat wounds, the lack of univocal guidelines and of a thorough understanding of light?tissue interactions hampers its mainstream adoption for wound healing promotion. This study compared murine a...
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Weipeng Guan, Xinjie Zhang, Yuxiang Wu, Zekun Xie, Jingyi Li and Jieheng Zheng
Visible Light Positioning (VLP) is widely recognized as a cost-effective solution for indoor positioning with increasing demand. However, the nonlinearity and highly complex relationship between three-dimensional world coordinate and two-dimensional imag...
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Kefu Yi, Kai Luo, Tuo Chen and Rongdong Hu
Aimed at the vehicle/pedestrian visual sensing task under low-light conditions and the problems of small, dense objects and line-of-sight occlusion, a nighttime vehicle/pedestrian detection method was proposed. First, a vehicle/pedestrian detection algor...
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Hailong Wu, Chuchu Wang, He Li, Jiang Chen, Jiankai Zhang, Zixue Luo, Fangsheng Cheng and Juntian Xu
Macroalgae, playing a crucial role in coastal marine ecosystems, are subject to multiple environmental challenges due to tidal and seasonal alterations. In this work, we investigated the physiological responses of Pyropia yezoensis to ocean acidification...
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Tom Hovell, Jon Petzing, Laura Justham and Peter Kinnell
Growing requirements for in situ metrology during manufacturing have led to an increased interest in optical coherence tomography (OCT) configurations of low coherence interferometry (LCI) for industrial domains. This paper investigates the optimisation ...
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Yanpeng Dong, Ying Qu, Rui Qi, Xue Bai, Geng Tian, Yang Wang, Jiawan Wang and Kaiming Zhang
s-
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Jin-Cherng Hsu, Heng-Ying Cho, Tsang-Yen Hsieh and Jyh-Liang Wang
An ultra-low anti-reflection optical coating on both surfaces of a plastic cover slip was studied for use in confocal image measurements. The optical reflectance at a wavelength of 632.8 nm was less than 0.1% when the coated sample was placed in a liquid...
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Geoff Recktenwald and Mark Deinert
Zirconium dioxide has received particular attention as a fuel matrix because of its ability to form a solid solution with transuranic elements, natural radiation stability and desirable mechanical properties. However, zirconium dioxide has a lower coeffi...
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