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6261
Enhancing deep learning methods for brain metastasis detection through cross-technique annotations on SPACE MRI
Published 2025-02-01“…Leveraging cross-technique ground truth annotations during training improved the accuracy of DL models in detecting and segmenting BMs. …”
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6262
Measurement Error Estimation Method of Field Service Electricity Energy Meters under the Condition of Big Data
Published 2022-10-01“…Firstly, the K-Means clustering algorithm is improved by optimizing the clustering evaluation index, and the field environmental data is analyzed by clustering. …”
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6263
Individual Travel Knowledge Graph-Based Public Transport Commuter Identification: A Mixed Data Learning Approach
Published 2022-01-01“…The optimal model structure of neuron node number, transfer function, and learning rate are discussed quantitatively according to the minimization of model errors. …”
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6264
Uniform Physics Informed Neural Network Framework for Microgrid and Its Application in Voltage Stability Analysis
Published 2025-01-01“…This paper proposed an improved PINN, named Uniform Physics Informed Neural Network (UPINN), with Proximal Policy Optimization (PPO) based reinforcement learning, for extortion of parameters of these models. …”
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6265
Equilibrium Analysis of Electricity Market with Multi-Agents Considering Uncertainty
Published 2025-04-01“…A hybrid solution methodology integrating nonlinear complementarity formulations with genetic algorithm-based optimization was developed. Extensive numerical case studies validate the methodological efficacy, demonstrating improvements in solution optimality and computational efficiency compared to conventional approaches.…”
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6266
OR-FCOS: an enhanced fully convolutional one-stage approach for growth stage identification of Oudemansiella raphanipes
Published 2025-07-01“…The enhanced algorithm achieved a mean average precision (mAP) of 89.4% ( $$\hbox {mAP}_{50}$$ ) and 78.3% ( $$\hbox {mAP}_{50:95}$$ ), while the number of model parameters was reduced to 9.9 M, the model size was reduced to 40.1 MB, and the number of floating point operations per second (FLOPs) was reduced to 31.2 G. …”
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6267
Global Feature Focusing and Information Enhancement Network for Occluded Pedestrian Detection
Published 2025-01-01“…Existing methods, including post-processing optimization, specific model based improvements, and body part feature based methods, have limitations such as inaccurate handling of heavily occluded positive samples, high computational complexity, and susceptible to background noise. …”
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6268
Intelligent Counterforce Allocation Method Using Multi-Agent Reinforcement Learning for Ground Operations
Published 2025-01-01“…The MARL agent is implemented using the Soft Actor-Critic algorithm and scaled through a Graph Attention Network to manage over 40 heterogeneous agents (infantry, tanks, and artillery). …”
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6269
Revolutionizing Supply Chain Management With AI: A Path to Efficiency and Sustainability
Published 2024-01-01“…Through an in-depth analysis of various AI techniques—such as machine learning, predictive analytics, and optimization algorithms—this study offers novel insights into their applicability in solving complex supply chain problems like demand forecasting, inventory management, and logistics optimization. …”
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6270
MAB-RSP: Data pricing based on Stackelberg game in MCS
Published 2025-07-01“…We introduce two novel contributions. First, the MAB-RS algorithm leverages multi-armed bandit reinforcement learning and a data freshness model to dynamically optimize seller recruitment, efficiently balancing exploration of unknown sellers and exploitation of high-quality ones. …”
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6271
A Machine Learning Approach to Analyze Manpower Sleep Disorder
Published 2024-01-01“…Moreover, a combination of machine learning and metaheuristic algorithms such as eXtreme Gradient Boosting and particle swarm optimization are used to make an accurate predictive model. …”
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6272
Assessing Urban Vulnerability to Emergencies: A Spatiotemporal Approach Using K-Means Clustering
Published 2024-10-01“…The findings highlight the value of incorporating both spatial and temporal data to enhance emergency response strategies and optimize urban planning efforts. This study contributes to the literature on smart cities by providing a scalable and adaptable method for improving urban resilience in the face of evolving challenges.…”
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6273
Adaptive Feature Selection of Unbalanced Data for Skiing Teaching
Published 2025-06-01“…Finally, the experimental results on the public imbalanced dataset show that the proposed algorithm effectively improves the classification performance of imbalanced data.…”
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6274
A Novel Framework for Enhancing Decision-Making in Autonomous Cyber Defense Through Graph Embedding
Published 2025-06-01“…Therefore, this paper proposes an enhanced decision-making method combining graph embedding with reinforcement learning algorithms. By constructing a game model for cyber confrontations, this paper models important elements of the network topology for decision-making, which guide the defender to dynamically optimize its strategy based on topology awareness. …”
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6275
Surface Soil Organic Carbon Estimation Based on Habitat Patches in Southwest China
Published 2025-01-01“…Using the RF feature selection (FS) method to select optimal factors as model input variables improved simulation accuracy compared with using all factors or selecting based on Pearson correlation analysis (R<sup>2</sup> increased by 1.75%–64.71%). …”
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6276
Anti-packet-loss joint encoding for voice-over-IP steganography
Published 2016-11-01“…Furthermore, the influences of key parameters on the performance of joint coding were studied. The selection algorithm for optimal parameters was also given. Experimental results show that the proposed joint coding can effectively improve steganographic resistance to packet loss, and decrease the number of modifications to the voice stream.…”
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6277
Enhanced prediction of ventilator-associated pneumonia in patients with traumatic brain injury using advanced machine learning techniques
Published 2025-04-01“…XGBoost emerged as the top performing algorithm, achieving an AUC of 0.94 and an accuracy of 0.875 on the test set, marking substantial improvements over previously reported best results. …”
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6278
Dynamic Inversion Analysis of Structural Layer Modulus of Semirigid Base Pavement considering the Influence of Temperature and Humidity
Published 2020-01-01“…The firefly algorithm was adapted to optimize the selection of support vector machine (SVM) parameters. …”
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6279
A 3D acid fracturing design calibrated to describe the productivity index in several southwestern Iranian oil fields
Published 2025-04-01“…Additionally, fracture fluid characteristics, rock properties, and reservoir properties were incorporated into the model. The numerical framework, based on the SIMPLEM algorithm, iteratively calculates velocity and pressure components until convergence is achieved. …”
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6280
PP-QADMM: A Dual-Driven Perturbation and Quantized ADMM for Privacy Preserving and Communication-Efficient Federated Learning
Published 2025-01-01“…This design prevents the PS from performing model inversion, as the individual model updates are obfuscated within the transmitted combination. …”
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