-
5201
PolSAR Forest Height Estimation Enhancement With Polarimetric Rotation Domain Features and Multivariate Sensitivity Analysis
Published 2025-01-01“…Then, we propose a Bayesian-optimized ensemble learning algorithm to improve the accuracy of forest height estimation. …”
Get full text
Article -
5202
Machine Learning in the National Economy
Published 2025-07-01“…Methods of cleaning, normalization, and data transformation were used for data processing to improve model accuracy. The practical part of the study included the development of machine learning algorithms for predicting economic indexes. …”
Get full text
Article -
5203
Two-sided Energy Storage Cooperative Scheduling Method for Transmission and Distribution Network Based on Multi-agent Attention-deep Reinforcement Learning
Published 2025-01-01“…The attention mechanism is introduced into the evaluation network to capture interdependencies among agents, enabling potential intent recognition and cooperative behavior perception, thereby improving algorithm convergence. Additionally, noise is added to expand the exploration space, enhancing training stability.Results and Discussions Using a modified IEEE transmission-distribution joint system as an example, the modeling and solution demonstrate that the multi-agent attention mechanism can strengthen the focus among collaborators, thereby balancing the interests of both parties. …”
Get full text
Article -
5204
Evaluation of snow-drifting influencing factors and susceptibility of transportation infrastructure lines
Published 2025-01-01“…The WOE (Weight of Evidence) model was selected as the base evaluation model, and the BP-GA algorithm was applied to optimize the weights of evaluation indicators. …”
Get full text
Article -
5205
Research on Fault Diagnosis of Traction Power Supply System Based on PSO-LSSVM
Published 2019-05-01“…According to the working principle and characteristics of the train power supply system, the relationship between the fault phenomenon and the origin was analyzed, and the characteristic signals used for fault diagnosis were extracted. A fault diagnosis model based on PSO optimized least squares support vector machine was established, and PCA algorithm was used to extract data characteristics as input of fault diagnosis model, and reduce input dimension. …”
Get full text
Article -
5206
Development and validation of an interpretable multi-task model to predict outcomes in patients with rhabdomyolysis: a multicenter retrospective cohort studyResearch in context
Published 2025-09-01“…Twenty-two clinical features available within the first 24 h of admission were selected to develop the prediction models. Ten machine learning (ML) algorithms were applied to construct multi-task prediction models. …”
Get full text
Article -
5207
Research on Key Technologies of Virtual Coupling Control System for Autonomous-rail Rapid Tram
Published 2023-06-01“…A safe braking model of autonomous-rail rapid tram is initiatively used to derive the minimum space headway for operation safety between coupled formations, and the collaborative planning and MPC-based collaborative control algorithms utilizing an optimal control approach are applied to guarantee the safe, punctual, comfortable, and efficient operation of coupled formations. …”
Get full text
Article -
5208
A Workflow for Integrated Geological Modeling for Shale Gas Reservoirs: A Case Study of the Fuling Shale Gas Reservoir in the Sichuan Basin, China
Published 2021-01-01“…The selection and optimization of modeling methods, the innovation and development of modeling algorithms, and the evaluation techniques for model uncertainty are areas where breakthroughs may be possible in the geological modeling of shale gas reservoirs. …”
Get full text
Article -
5209
Estimating stomatal conductance of citrus orchard based on UAV multi-modal information in Southwest China
Published 2025-02-01“…The BKA optimization algorithm effectively enhanced the predictive performance of the KELM and ELM models. …”
Get full text
Article -
5210
Research on the Rapid Detection of Formaldehyde Emission From Wood-Based Panels Based on the AMSHKELM
Published 2025-01-01“…The multi-strategy improved black-winged kite algorithm then optimizes key parameters of the successive variational mode decomposition (SVMD) and hybrid kernel extreme learning machine (HKELM). …”
Get full text
Article -
5211
Privacy protection risk identification mechanism based on automated feature combination
Published 2024-11-01“…In practice, the anomaly detection (AD) algorithm usually faced technical challenges such as difficulty in optimizing feature combinations, difficulty in improving classifier accuracy, and low model application efficiency. …”
Get full text
Article -
5212
Elastic Momentum-Enhanced Adaptive Hybrid Method for Short-Term Load Forecasting
Published 2025-06-01“…The particle swarm optimization (PSO) algorithm is improved by adjusting its elastic momentum, and the enhanced APSO algorithm is employed to optimize the adaptive weights of the hybrid model. …”
Get full text
Article -
5213
A variable threshold ring signature scheme for privacy protection in smart city blockchain applications
Published 2025-06-01“…We further introduce an optimized batch-verification algorithm that cuts the number of expensive pairing checks per signature from O(n) to $$O(1) + n$$ O ( 1 ) + n , dramatically improving throughput. …”
Get full text
Article -
5214
Deep learning models for detection of explosive ordnance using autonomous robotic systems: trade-off between accuracy and real-time processing speed
Published 2024-11-01“…The main contribution of this study is the results of a detailed evaluation of the YOLOv8 and RT-DETR models for real-time EO detection, helping to find trade-offs between the speed and accuracy of each model and emphasizing the need for special datasets and algorithm optimization to improve the reliability of EO detection in autonomous systems.…”
Get full text
Article -
5215
Digital Domain TDI-CMOS Imaging Based on Minimum Search Domain Alignment
Published 2025-05-01“…To solve the challenge of matching feature point pairs in dark and low-contrast images, our method first optimizes the size and position of the search box using an image motion compensation mathematical model and a satellite platform jitter model. …”
Get full text
Article -
5216
Classification-based point cloud denoising and 3D reconstruction of roadways
Published 2025-05-01“…Meanwhile, the existing 3D reconstruction algorithms suffer from low modeling accuracy and high susceptibility to distortion. …”
Get full text
Article -
5217
A Two-Phase and Bi-Level Spatial Configuration Methodology of Shelters Based on a Circular Assignment Model and Evacuation Traffic Flow Allocation
Published 2024-12-01“…A genetic algorithm and exhaustive approach are programmed to determine the solution of the model in the first and second phases, respectively. …”
Get full text
Article -
5218
Development of a machine learning prognostic model for early prediction of scrub typhus progression at hospital admission based on clinical and laboratory features
Published 2025-12-01“…Eighteen objective clinical and laboratory features collected at admission were screened using various feature selection algorithms, and used to construct models based on six machine learning algorithms.Results The model based on Gradient Boosting Decision Tree using 14 features screened by Recursive Feature Elimination was evaluated as the optimal one. …”
Get full text
Article -
5219
Traffic safety evaluation of emerging mixed traffic flow at freeway merging area considering driving behavior
Published 2025-03-01“…First, human drivers’ driving behaviors were classified into aggressive driving, normal driving, and conservative driving using a k-means clustering algorithm based on field dataset analysis. Next, an improved lane-changing model of HDVs, accounting for driving behavior, was developed by incorporating lane-changing duration and a lane-changing motivation function within a multi-objective optimization framework. …”
Get full text
Article -
5220
Study on debris flow vulnerability of ensemble learning model based on spy technology A case study of upper Minjiang river basin
Published 2025-07-01“…In this paper, a debris flow susceptibility assessment model is constructed based on RF (Random Forest) and XGBoost (Extreme Gradient Boosting) models with Stacking ensmble learning method, and SPY technique is introduced to optimize the negative sample selection. …”
Get full text
Article