Results 1 to 10 of about 60,291 (120)
Lithology Recognition Research Based on Wavelet Transform and Artificial Intelligence
Cejing jishu, 2023 Lithology identification is one of the main application directions of deep learning in oil and gas field development. Artificial intelligence models can effectively improve the efficiency of oil and gas field development and on-site construction.
FANG Dazhi +4 more
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Dizhen xuebao, 2021 为了重构或恢复存在严重干扰或数据缺失的台站观测数据，本文基于周边已有台站的高质量观测数据采用XGBoost机器学习方法重构地磁日变数据。仿真试验结果显示，无论是磁静日还是磁扰日，地磁场分量的绝对残差均值均低于0.1 nT。试验统计数据及重构结果残差曲线的对比分析表明，地磁日变重构精度与地磁活动性和待重构信号的时变剧烈程度有关；相较于反向传播神经网络，XGBoost方法对地磁场日变数据的重构精度更高。本文研究表明，基于XGBoost机器学习的重构方法在处理非线性复杂问题方面具有优势 ...
Wenkai Cheng +3 more
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The Use of the XGBoost and Kriging Methods in the Prediction of the Microstructure of CGI Cast Iron [PDF]
Archives of Foundry Engineering, 2023 Compacted Graphite Iron (CGI), is a unique casting material characterized by its graphite form and extensive matrix contact surface. This type of cast iron has a tendency towards direct ferritization and possesses a complex set of intriguing properties ...
Łukasz Sztangret +4 more
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A Study on Calories Burnt Prediction Using Machine Learning [PDF]
ITM Web of Conferences, 2023 In this growing technological era, People are less aware of their health and mental stability. Due to lack of time, they intake more junk food than healthy options, which leads to an increase in the total calorie rate in their body.
Panwar Punita +3 more
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Barekeng, 2023 Anemia and iron deficiency are health problems in Indonesia and globally. In Multiclass Classification, data problems often occur, such as missing data, too many variables, and unbalanced data.
Fathu Nurrahman +3 more
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Redai dili, 2021 Precipitation is a vital physical parameter of the earth surface system, and accurate estimation of spatiotemporal patterns of precipitation is essential for flood disaster monitoring, drought monitoring, and water management.
Zhang Junmin +5 more
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Remote Sensing, 2020 The Gravity Recovery and Climate Experiment (GRACE) has been successfully used to monitor variations in terrestrial water storage (GRACETWS) and groundwater storage (GRACEGWS) across the globe, yet such applications are hindered on local scales by the ...
Hossein Sahour +8 more
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Portable Holter with Cloud-Based Learning Analytics for Real-Time Health Monitoring [PDF]
Journal of Biomedical Physics and EngineeringThe increasing prevalence of cardiovascular diseases underscores the need for efficient and user-friendly tools to monitor heart health. Traditional Holter monitors, while effective, are often bulky and inconvenient, limiting their use in real-world ...
Abdi Dharma +4 more
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Remote Sensing Drought Monitoring and Assessment in Southwestern China based on Machine Learning
Gaoyuan qixiang, 2022 Due to the complexity of drought and the diversity of influencing factors， the accurate monitoring of drought still faces many problems， especially the increasing frequency and aggravation of drought in Southwestern China， and the formation and disaster ...
Hejia JIA +4 more
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Implementation of Ensemble Methods on Classification of CDK2 Inhibitor as Anti-Cancer Agent
IJCCS (Indonesian Journal of Computing and Cybernetics Systems), 2023 Cancer is known as the second leading cause of death worldwide. About 7-10 million cases of death by cancer occur every year. The recent treatment to heal the cancer is chemotherapy.
Isman Kurniawan +3 more
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