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6241
PolicySegNet: a policy-based reinforcement learning framework with pretrained embeddings and transformer decoder for joint brain tumors segmentation and classification in MRI
Published 2025-08-01“…PolicySegNet uniquely integrates a policy-based reinforcement learning algorithm—specifically proximal policy optimization (PPO)—to jointly optimize the decoder and classifier based on a reward signal that balances segmentation accuracy with classification performance. …”
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6242
Stochastic economic placement and sizing of electric vehicles charging station with renewable units and battery bank in smart distribution network
Published 2025-07-01“…Benders decomposition algorithm is used to extract the optimal solution. …”
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6243
Detection of false data injection in electric energy metering platforms using gradient lifting decision trees and MLP neural networks
Published 2024-12-01“…The discriminator used a multilayer perceptron (MLP) neural network, combined with difference analysis between the predicted and actual values, to determine false data injection. The improved Cauchy mutation grey Wolf optimization algorithm is used to optimize the model training to improve the detection accuracy. …”
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6244
Human-based metaheuristics and non-parametric learning for groundwater-prone area mapping
Published 2025-12-01“…This research introduces a novel approach combining human-based metaheuristics—Teaching Learning Based Optimization (TLBO) and Cultural Algorithms (CA)—with non-parametric Decision Tree (DT) models. …”
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6245
Underwater Target 3D Reconstruction via Integrated Laser Triangulation and Multispectral Photometric Stereo
Published 2025-04-01“…At the same time, we propose to optimize the laser place calibration and laser line separation processes, further improving the reconstruction performance of underwater laser triangulation and multispectral photometric stereo. …”
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6246
Vehicle Routing Problem for Collaborative Multidepot Petrol Replenishment under Emergency Conditions
Published 2021-01-01“…As a method to solve the model, genetic variation of multiobjective particle swarm optimization algorithm is considered. …”
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6247
Predicting hospital outpatient volume using XGBoost: a machine learning approach
Published 2025-05-01“…Accurate prediction of outpatient demand can significantly enhance operational efficiency and optimize the allocation of medical resources. This study aims to develop a predictive model for daily hospital outpatient volume using the XGBoost algorithm. …”
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6248
Energy Storage Regulation Method of Base Stations in 5G Integrated Distribution Network Based on Energy Sharing and Trading Coordination
Published 2023-06-01“…Then, with the optimization objectives of promoting energy sharing of 5G base stations, improving operation efficiency of base stations, and participating in peak shaving and valley filling, the optimization problem of energy storage regulation of base stations in a 5G integrated distribution network is constructed, and an energy storage regulation algorithm of 5G base stations based on energy sharing and trading coordination is proposed. …”
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6249
High-Dimensional Projected Clustering for Learner Competency Analysis in Medical Training Programs
Published 2024-01-01“…Additionally, weak learners deficient in crucial healthcare areas are identified, and the model recommends the most qualified professionals for specific critical care cases.…”
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6250
Decoding Depression from Different Brain Regions Using Hybrid Machine Learning Methods
Published 2025-04-01“…To clarify the impact of brain region segmentation on the detection accuracy of moderate-to-severe major depressive disorder (MDD) and identify the optimal brain region for detecting MDD using electroencephalography (EEG), this study compared eight traditional single-machine learning algorithms with a hybrid machine learning model based on a stacking ensemble technique. …”
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6251
Energy-Efficient Resource Allocation for Near-Field MIMO Communication Networks
Published 2025-07-01“…A low-complexity optimization algorithm is proposed to realize the joint optimization of power and antenna number. …”
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6252
A new method for determining factors Influencing productivity of deep coalbed methane vertical cluster wells
Published 2024-12-01“…This method leverages the advantages of multiple machine-learning algorithms, demonstrating strong operability and improving the accuracy of CBM dynamic predictions. …”
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6253
Simulation and test study of transmission characteristics of V-shaped rubber belt CVT
Published 2025-06-01“…ObjectiveThe dynamic matching problem of continuously variable transmission (CVT) with the engine and Baja racing car was subjected to research analysis.MethodsThe parameters of key components of CVT were first optimized by genetic algorithm in Matlab software, then the dynamic modeling and simulation of CVT and the whole vehicle were carried out in Matlab/Simulink and RecurDyn, and finally the vehicle test was carried out on the chassis dynamometer.ResultsThe results of modeling simulation and vehicle test show that the dynamic index of Baja racing car is significantly improved after the optimization of the parameters of key components of CVT. …”
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6254
Predicting the Remaining Useful Life of an Aircraft Engine Using a Stacked Sparse Autoencoder with Multilayer Self-Learning
Published 2018-01-01“…However, the hyperparameters of the deep learning, which significantly impact the feature extraction and prediction performance, are determined based on expert experience in most cases. The grid search method is introduced in this paper to optimize the hyperparameters of the proposed aircraft engine RUL prediction model. …”
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6255
Communication resource allocation method in vehicular networks based on federated multi-agent deep reinforcement learning
Published 2025-08-01“…Finally, the global model parameters are fed back to the vehicles to further optimize the local resource allocation strategy, thus improving the system spectrum efficiency. …”
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6256
Prediction of alkali-silica reaction expansion of concrete using explainable machine learning methods
Published 2025-04-01“…This approach provides insights into the model’s decision-making process, clarifying the complex nature of machine learning algorithms. …”
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6257
Research on caching strategy based on transmission delay in Cell-Free massive MIMO systems
Published 2021-12-01“…To meet the ultra-low latency and ultra-high reliability requirements of users in the future mobile Internet, the wireless caching technology was combined with Cell-Free massive MIMO systems.The caching model was designed based on AP cooperative caching and regional popularity evaluation.The transmission delay expression involving AP clustering, cooperative caching, and regional popularity was derived, and the content placement problem was expressed as total content transmission delay minimization.Through the demonstration of the NP-hard and submodular monotony of the optimization problem, the greedy algorithm-based optimization strategy was proposed.Simulation results show that the proposed strategy can effectively reduce the content transmission delay and improve the cache hit rate.…”
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6258
Predicting hydrocarbon reservoir quality in deepwater sedimentary systems using sequential deep learning techniques
Published 2025-07-01“…Three sequential deep learning models—Recurrent Neural Network and Gated Recurrent Unit—were developed and optimized using the Adam algorithm. …”
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6259
Analysis of IoT-Collected Radish Growth Data Using Deep Neural Networks
Published 2025-01-01“…The aim of this study was to apply genetic algorithm-based hyperparameter optimization (GA-HPO) to deep neural networks (DNNs) to classify an IoT-collected dataset on radish growth conditions, with the goal of identifying optimal growth parameters. …”
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6260
Underwater acoustic channel estimation method based on response generative network
Published 2025-04-01“…The input signal of the generative network was updated by a weight and bias update algorithm based on L1-regularized least squares. Finally, to address the instability of traditional deep learning models for underwater acoustic signals, a decomposed optimization algorithm based on Bures-Wasserstein objective function was proposed. …”
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