-
4881
An RTM-Driven Machine Learning Approach for Estimating High-Resolution FAPAR From LANDSAT 5/7/8/9 Surface Reflectance
Published 2025-01-01“…This study synergized the strengths of RTM and machine learning algorithm while overcoming the limitations of RTM parameterization and generalization, providing an efficient and robust Landsat FAPAR estimation approach. …”
Get full text
Article -
4882
Feasibility of automating the determination of changes in forest areas using satellite images (Case Study: Central Alborz protected area)
Published 2024-08-01“…Then, using the Google Earth system, these points were validated.Results By applying PCA to the images, the amount of noise was reduced to the optimal level while maintaining the original information of the images. …”
Get full text
Article -
4883
A visual positioning method for tunnel boring machines in underground coal mines based on anchor net features
Published 2025-06-01“…Through illumination adjustment while suppressing noise, images with uniform illumination and clear textures were obtained. …”
Get full text
Article -
4884
Machine Learning to Select Experiments Driven by Fundamental Science and Applications for Targeted Nuclear Data Improvement
Published 2025-06-01“…We chose as differential measurements those that investigate ^{63}Cu and ^{239}Pu total cross sections, based on D-optimality rank and feasibility constraints. Two integral (criticality) experiments were selected: An experiment with Al_{2}O_{3} and graphite interleaved with Pu and a thick Cu reflector explores 1–30 keV, while we target the 30–600 keV range with an experiment that swaps boron in place of graphite with a different geometry.…”
Get full text
Article -
4885
Tactical Coordination-Based Decision Making for Unmanned Combat Aerial Vehicles Maneuvering in Within-Visual-Range Air Combat
Published 2025-02-01“…Finally, an improved particle swarm optimization algorithm (I-PSO) is proposed, which enhances the optimization ability and real-time performance through the design of local social factor iterative components and adaptive adjustment of inertia weights. …”
Get full text
Article -
4886
Experimental and numerical investigations on the bidirectional thermal contact performance
Published 2025-09-01“…These results suggest an optimal TCR ratio threshold for maximizing thermal rectification coefficient. …”
Get full text
Article -
4887
Energy Demand Response in a Food-Processing Plant: A Deep Reinforcement Learning Approach
Published 2024-12-01“…By leveraging the adaptive, self-learning capabilities of RL, energy costs in the investigated plant are effectively decreased. The RL algorithm was compared with the well-established optimization method Mixed Integer Linear Programming (MILP), and both were benchmarked against a reference scenario without DR. …”
Get full text
Article -
4888
Retrieval of water quality parameters based on IOA-ML models and their response to short-term hydrometeorological factors
Published 2025-02-01“…The best IOA-ML model for total phosphorus (TP), total nitrogen (TN), and permanganate index (CODMn) was extreme gradient boosting optimized by genetic algorithm (GA-XGB), while that for dissolved oxygen (DO) and turbidity was categorical boosting regression optimized by GA (GA-CBR). …”
Get full text
Article -
4889
Crushing Force Prediction Method of Controlled-Release Fertilizer Based on Particle Phenotype
Published 2024-12-01“…Compared with the traditional method, the innovation of this paper is that a non-destructive prediction method is proposed, which enables high-precision predictions of the crushing force by integrating multi-dimensional phenotypic features and an intelligent optimization algorithm. Comparative tests with a random forest regression, the K-nearest neighbor, a back propagation (BP) neural network, and a long short-term memory (LSTM) neural network have demonstrated that the PSO-SVM model outperforms these methods in terms of mean absolute error, root mean square error, and correlation coefficient, underscoring its effectiveness. …”
Get full text
Article -
4890
TCN–Transformer Spatio-Temporal Feature Decoupling and Dynamic Kernel Density Estimation for Gas Concentration Fluctuation Warning
Published 2025-04-01“…A flood optimization algorithm (FLA) is used to establish a hyperparameter collaborative optimization framework. …”
Get full text
Article -
4891
Multi-Frequency Microwave Sensing System with Frequency Selection Method for Pulverized Coal Concentration
Published 2024-11-01“…Subsequently, the OMP algorithm was applied to select the optimal frequency signal combination based on the contribution rates of the eigenvectors, enhancing the measurement accuracy through multi-dimensional fusion. …”
Get full text
Article -
4892
Embedded Hardware-Efficient FPGA Architecture for SVM Learning and Inference
Published 2025-01-01“…While Sequential Minimal Optimization (SMO) has enhanced the efficiency of SVM training, traditional implementations still suffer from high computational cost. …”
Get full text
Article -
4893
Mortality prediction of heart transplantation using machine learning models: a systematic review and meta-analysis
Published 2025-04-01“…Among the algorithms, CatBoost demonstrated the highest accuracy (AUC 0.80, 95% CI: 0.74, 0.86), while K-nearest neighbor had the lowest accuracy (AUC 0.53, 95% CI: 0.50, 0.55). …”
Get full text
Article -
4894
DCE-YOLOv8: Lightweight and Accurate Object Detection for Drone Vision
Published 2024-01-01“…Object detection using drones is a sophisticated technology that employs a camera mounted on a drone in conjunction with a computer vision algorithm to pinpoint the precise location of an object and ascertain its type. …”
Get full text
Article -
4895
A novel canopy water indicator for UAV imaging to monitor winter wheat water status
Published 2025-12-01“…While canopy fuel moisture content (FMCc) serves as a key parameter for evaluating plant hydration status, its accurate quantification relies heavily on precise measurements of the leaf area index (LAI). …”
Get full text
Article -
4896
Bidirectional Relationship Between Hypoalbuminemia and Postoperative Pneumonia in Elderly Hip Fracture Patients: A Retrospective Cohort Study
Published 2025-08-01“…After predefined participants selection inclusion and exclusion criteria, 1661 surgically treated HF patients were included and analyzed utilizing multiple statistical models, including univariate logistic regression, Lasso regression, and Boruta algorithm for variable selection, while multivariate logistic regression and propensity score matching (PSM) for assess the bidirectional relationship between hypoalbuminemia and postoperative pneumonia. …”
Get full text
Article -
4897
Prediction of 1-year post-operative mortality in elderly patients with fragility hip fractures in China: evaluation of risk prediction models
Published 2025-06-01“…Holt et al.is more suitable for a well-resourced medical system. SHiPS displayed optimal risk categorization accuracy, suggesting potential for broader clinical implementation. …”
Get full text
Article -
4898
Multi-time Scale Voltage-Reactive Power Control for Distribution Network with Distributed Generation
Published 2024-04-01“…And for the voltage regulation, it can optimize the regulation target according to the voltage sensitivity and the regulation costs of each DG, and thus has better economic performance while adjusting voltages.…”
Get full text
Article -
4899
Gain-analytical equations generalized for FOPID controllers — An application with DC–DC power converters
Published 2025-06-01“…The differential evolution (DE) algorithm is employed for optimal tuning of fractional-order values, aligned with FOPID gain parameters. …”
Get full text
Article -
4900
Leveraging ultrasonic-derived phenotypes and estimated breeding value to improve abdominal fat weight prediction in chickens throughout the egg laying period
Published 2025-08-01“…Abdominal fat (AF) in hens impacts egg production and may reflect poor feed efficiency, meaning that dynamic monitor of AF changes facilitate to optimize feeding management and production efficiency. …”
Get full text
Article