Results 21 to 30 of about 43,803 (155)

Marine snow morphology illuminates the evolution of phytoplankton blooms and determines their subsequent vertical export

Nature Communications, 2021
Marine snow is a major route through which photosynthetically fixed carbon is transported to the deep ocean, but the factors affecting flux are largely unknown.
Emilia Trudnowska, Léo Lacour, Mathieu Ardyna, Andreas Rogge, Jean Olivier Irisson, Anya M. Waite, Marcel Babin, Lars Stemmann   +7 more
doaj   +1 more source

Underwater Hyperspectral Imaging (UHI): A Review of Systems and Applications for Proximal Seafloor Ecosystem Studies

Remote Sensing, 2021
Marine ecosystem monitoring requires observations of its attributes at different spatial and temporal scales that traditional sampling methods (e.g., RGB imaging, sediment cores) struggle to efficiently provide.
Juan C. Montes-Herrera, Emiliano Cimoli, Vonda Cummings, Nicole Hill, Arko Lucieer, Vanessa Lucieer   +5 more
doaj   +1 more source

A Fast Calibration Method for Phased Arrays by Using the Graph Coloring Theory

Sensors, 2018
Phased array radars are able to provide highly accurate airplane surveillance and tracking performance if they are properly calibrated. However, the ambient temperature variation and device aging could greatly deteriorate their performance.
Lijie Yang, Ruirui Dang, Min Li, Kailong Zhao, Chunyi Song, Zhiwei Xu   +5 more
doaj   +1 more source

A Review of Methods for Ship Detection with Electro-Optical Images in Marine Environments

Journal of Marine Science and Engineering, 2021
The ocean connects all continents and is an important space for human activities. Ship detection with electro-optical images has shown great potential due to the abundant imaging spectrum and, hence, strongly supports human activities in the ocean.
Liqian Wang, Shuzhen Fan, Yunxia Liu, Yongfu Li, Cheng Fei, Junliang Liu, Bohan Liu, Yakui Dong, Zhaojun Liu, Xian Zhao   +9 more
doaj   +1 more source

Quantitative proteome profiling reveals molecular hallmarks of egg quality in Atlantic halibut: impairments of transcription and protein folding impede protein and energy homeostasis during early development

BMC Genomics, 2022
Background Tandem mass tag spectrometry (TMT labeling-LC-MS/MS) was utilized to examine the global proteomes of Atlantic halibut eggs at the 1-cell-stage post fertilization. Comparisons were made between eggs judged to be of good quality (GQ) versus poor
Ozlem Yilmaz, Anders Mangor Jensen, Torstein Harboe, Margareth Møgster, Ragnfrid Mangor Jensen, Olav Mjaavatten, Even Birkeland, Endy Spriet, Linda Sandven, Tomasz Furmanek, Frode S. Berven, Anna Wargelius, Birgitta Norberg   +12 more
doaj   +1 more source

Flock health survey of Irish Texel society breeders and larynx examination in Texel sheep

Irish Veterinary Journal, 2020
Background Laryngeal chondritis is a disease of undetermined aetiology, characterised by oedema, ulceration, abscessation and necrosis of the laryngeal mucosa and cartilage.
Aideen Kennedy, Séamus Fagan, Colm Brady, John Fagan, Eamon Wall, Seamus Hoey, Emma Tobin, Mícheál Casey, Maresa Sheehan   +8 more
doaj   +1 more source

Study on the rapid measurement of carbon content in marine sediments based on the model transfer of hyperspectral imaging camera and spectrometer

Results in Chemistry, 2023
Laboratory spectrometer and hyperspectral imaging camera are two instruments for obtaining spectral information of substances. Both instruments have advantages in practical applications.
Wang Zijian, Jia Zongchao, Li Xueying, Qiu Huimin, Hou Guangli, Fan Pingping   +5 more
doaj   +1 more source

Optimizing Plankton Image Classification With Metadata-Enhanced Representation Learning

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Automated camera-based sensors are widely used in vessel-based research to monitor plankton and marine particles. However, current methods suffer from the costly and time-consuming requirement of annotating data for fully supervised learning, especially ...
Mojtaba Masoudi, Sarah L.C. Giering, Noushin Eftekhari, Miquel Massot-Campos, Jean-Olivier Irisson, Blair Thornton   +5 more
doaj   +1 more source

Deep learning–assisted biodiversity assessment in deep-sea benthic megafauna communities: a case study in the context of polymetallic nodule mining

Frontiers in Marine Science
IntroductionTechnological developments have facilitated the collection of large amounts of imagery from isolated deep-sea ecosystems such as abyssal nodule fields.
Daphne Cuvelier, Martin Zurowietz, Tim W. Nattkemper   +2 more
doaj   +1 more source

Marine Image Analysis Handbook for RootPainter

, 2023
This handbook details use of the open-source and user friendly machine learning tool, RootPainter, for analysis of marine image data. This tool can be used to extract area measurements for a given species without requiring pre-processing of images. Originally compiled for use in an interactive workshop, the handbook takes you through installation of ...
Clark, Hannah Poppy, Smith, Abraham George, De Clippele, Laurence   +2 more
openaire   +3 more sources