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Journal of Marine Science and Engineering, Volume 10, Issue 6

June 2022 - 128 articles

Cover Story: The automatic classification of fish images captured under water is a challenging task with a broad potential impact for environmental conservation. Convolutional neural network models employed for image recognition typically require very large datasets to train millions of model parameters. However, underwater fish image and video datasets are scarce and unbalanced, so neural models may be inadequately trained. We engineer convolutional neural networks with up to ~50,000 parameters, which require much smaller datasets for training and run in much more constrained embedded platforms. By augmenting neural models with a tracking algorithm that recognizes fish specimens across video frames, we obtain a classifier of very limited overall complexity. Experiments in the Mediterranean Sea confirm a good level of accuracy for fish recognition in the wild. View this paper
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Articles (128)

  • Article
  • Open Access
1 Citations
2,826 Views
12 Pages

The Identification of Filamentous Cyanobacteria Isolated from Neopyropia Germplasm Bank Illustrates the Pattern of Contamination

  • Yinyin Deng,
  • Cuicui Tian,
  • Chuanming Hu,
  • Guangping Xu,
  • Lien Yang,
  • Qinqin Lu and
  • Wei Zhou

The germplasm bank of economic algae provides biological insurance against environmental changes and pressures for the cultivation industry. However, the red algal free-living conchocelis germplasm of Neopyropia was easily contaminated with filamento...

  • Communication
  • Open Access
2 Citations
2,155 Views
10 Pages

Biosorption is an effective method for removing heavy metal ions from wastewater. In the current study, the biosorption capacity of a microalgae Prorocentrum triestinum strain AD1 was investigated for cadmium removal. The efficient biomass concentrat...

  • Article
  • Open Access
50 Citations
5,251 Views
20 Pages

Accurate wave prediction can help avoid disasters. In this study, the significant wave height (SWH) prediction performances of the recurrent neural network (RNN), long short-term memory network (LSTM), and gated recurrent unit network (GRU) were comp...

  • Feature Paper
  • Article
  • Open Access
11 Citations
4,382 Views
15 Pages

Preparation of Ciguatoxin Reference Materials from Canary Islands (Spain) and Madeira Archipelago (Portugal) Fish

  • David Castro,
  • Pablo Estévez,
  • José Manuel Leao-Martins,
  • Robert W. Dickey,
  • Natalia García-Álvarez,
  • Fernando Real,
  • Pedro Reis Costa and
  • Ana Gago-Martínez

Ciguatoxins (CTXs) are naturally occurring neurotoxins that can accumulate in fish and cause Ciguatera Poisoning (CP) in seafood consumers. Ciguatoxic fish have been detected in tropical and subtropical regions of the world including the Pacific and...

  • Article
  • Open Access
3 Citations
2,848 Views
12 Pages

Microsatellites are one of the important genome characterizations that can be a valuable resource for variety identification, genetic diversity, phylogenetic analysis, as well as comparative and conservation genomics research. Here, we developed comp...

  • Article
  • Open Access
1 Citations
2,160 Views
11 Pages

Visco-Elastic Plate Motion after Its Breaking into Parts

  • Alexander Korobkin and
  • Tatiana Khabakhpasheva

Mathematical modelling of visco-elastic plate breaking and consequent deflection of the plate are studied using the simplified formulation. The plate is modelled as a thin visco-elastic plate of constant thickness. The edges of the plate are clamped....

  • Article
  • Open Access
9 Citations
3,189 Views
18 Pages

The Thermal Effect of Submarine Mud Volcano Fluid and Its Influence on the Occurrence of Gas Hydrates

  • Zhifeng Wan,
  • Junsheng Luo,
  • Xiaolu Yang,
  • Wei Zhang,
  • Jinqiang Liang,
  • Lihua Zuo and
  • Yuefeng Sun

Mud volcanoes and other fluid seepage pathways usually transport sufficient gas for the formation of gas reservoirs and are beneficial to the accumulation of gas hydrate. On the other hand, the fluid thermal effects of mud volcanoes can constrain the...

  • Article
  • Open Access
26 Citations
2,932 Views
13 Pages

Analysis of the Mechanical Properties of the Reconstituted Hydrate-Bearing Clayey-Silt Samples from the South China Sea

  • Lin Dong,
  • Hualin Liao,
  • Yanlong Li,
  • Qingguo Meng,
  • Gaowei Hu,
  • Jintang Wang and
  • Nengyou Wu

Mechanical properties of hydrate-bearing sediments (HBS) are crucial for evaluating drilling- and production-induced geo-hazards. However, investigations on mechanical behaviors of clayey-silt samples containing hydrate are insufficient due to low ef...

  • Article
  • Open Access
6 Citations
4,573 Views
13 Pages

Equal Opportunities for Foreign Seafarers to Ensure Sustainable Development in the Korean Merchant Shipping Industry

  • Jinwoo Lee,
  • Surindar Dhesi,
  • Ian Phillips,
  • Moonsoo Jeong,
  • Kyungseon Kwon,
  • Dongho Jung and
  • Changhee Lee

Despite the increasing number of foreign seafarers working in the Korean shipping industry and the growing concern for psycho-emotional stress due to discrimination in the maritime sector, few studies have focused on the working environment of foreig...

  • Article
  • Open Access
17 Citations
4,480 Views
16 Pages

Satellite-Based Monitoring of Coastal Wetlands in Yancheng, Jiangsu Province, China

  • Chen Chen,
  • Jiajun Feng,
  • Changyou Wang,
  • Longjiang Mao and
  • Yuanzhi Zhang

The dynamic process of the wetland can reflect its impact on the environment, and finding a balance point supporting harmonious coexistence between man and nature has become an issue of increasing concern. On the basis of previous studies that have f...

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J. Mar. Sci. Eng. - ISSN 2077-1312