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6421
Uncertainty evaluation of surface profile measurement error based on adaptive sparse grid polynomial chaos expansion
Published 2025-06-01“…First, the surface profile error of the car door outer surface is initially evaluated using a NURBS surface fitting and segmentation approximation algorithm. Next, based on the error evaluation results, a polynomial chaos expansion model for the surface profile error is established. …”
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6422
Design and Prototype Verification of a 3-meter Aperture Wrap-rib Reflector
Published 2025-01-01“…The shape of the lenticular tube wrap-rib was optimized by combining the form-finding analysis of the flexible reflector with the genetic algorithm. …”
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6423
Tactical intent-driven autonomous air combat behavior generation method
Published 2024-12-01“…Built around this, the decision-making process of pilot behavior is analyzed, and a reward mapping model from intent to behavior is established. Finally, to address the problems of poor stability and slow convergence speed of deep reinforcement learning algorithms in large-scale state-action spaces, the dueling-noisy-multi-step DQN algorithm is devised, which not only improves the accuracy of value function approximation but also enhances the efficiency of space exploration and network generalization. …”
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6424
Preliminary analysis of acoustic detection of the Red-throated Caracara in northern Costa Rica
Published 2024-09-01“…Advances in automatic acoustic detection have transformed bird ecology, allowing researchers to analyze bird populations using pattern matching algorithms, machine learning, and random forest models. …”
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6425
Strategies and Challenges in Detecting XSS Vulnerabilities Using an Innovative Cookie Collector
Published 2025-06-01“…Additionally, clustering algorithms enabled user segmentation based on cookie data, identification of behavioral patterns, enhanced personalized web recommendations, and browsing experience optimization. …”
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6426
Application of Adaptive Search Window-Based Nonlocal Total Variation Filter in Low-Dose Computed Tomography Images: A Phantom Study
Published 2024-11-01“…Computed tomography (CT) imaging using low-dose radiation effectively reduces radiation exposure; however, it introduces noise amplification in the resulting image. This study models an adaptive nonlocal total variation (NL-TV) algorithm that efficiently reduces noise in X-ray-based images and applies it to low-dose CT images. …”
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6427
Numerical analysis method of stress wave transmission attenuation of coal and rock structural plane
Published 2024-11-01“…The simulation and machine learning of stress wave transmission in the experimental process of Split Hopkinson Pressure Bar (SHPB) were carried out by combining the Barton-Bandis nodal ontology model, UDEC discrete element simulation and Gray Wolf Algorithm optimized BP neural network technology. …”
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6428
Arrears behavior prediction of power users based on BP neural network and multi-scale feature learning: a refined risk assessment framework
Published 2025-01-01“…A hierarchical neural network structure is designed to address the characteristics of different scales in distinct layers. Key model parameters are optimized, and a sensitivity analysis is conducted. …”
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6429
SwinFishNet: A Swin Transformer-based approach for automatic fish species classification using transfer learning.
Published 2025-01-01“…Images were preprocessed by resizing to 224 [Formula: see text] 224 pixels, normalizing, and converting to tensor format for compatibility with deep learning models. Transfer learning was applied using the ST, which was fine-tuned on these datasets and optimized with the AdamW algorithm. …”
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6430
Degree-Constrained k-Minimum Spanning Tree Problem
Published 2020-01-01“…Our numerical results indicate that the proposed models and algorithms allow obtaining optimal and near-optimal solutions, respectively. …”
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6431
Belief in building a full-fledged distance learning course in athletic training
Published 2025-06-01“…In particular, the experts mostly agreed with the logic and completeness of the course structure, the expediency of centralised content placement in the cloud environment, the optimality of the selected communication channels (email and cloud services), the clarity of the motor learning algorithm for remote performance by students, the adequacy of the proposed evaluation system and the presence of significant advantages in the use of tablets/smartphones in the educational process. …”
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6432
Enhanced Vector Quantization for Embedded Machine Learning: A Post-Training Approach With Incremental Clustering
Published 2025-01-01“…While VQ is a technique that reduces model size by grouping similar parameters, incremental clustering, implemented via the AutoCloud K-Fixed algorithm, preserves accuracy during compression. …”
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6433
Architectural Gaps in Generative AI: Quantifying Cognitive Risks for Safety Applications
Published 2025-06-01“…<b>Methods</b>: This study investigates whether architectural design elements in Transformer-based generative models contribute to a measurable divergence from human reasoning. …”
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6434
Performance Analysis of MVDR Beamformer Applied on an End-fire Microphone Array Composed of Unidirectional Microphones
Published 2021-12-01“…Thirdly, we propose an adaptation of its adaptive algorithm during the pause of speech, which improves its robustness against the room reverberation and deviation from the optimal receiving direction. …”
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6435
Automatic mosaic method of remote sensing images based on machine vision
Published 2024-10-01“…To address the above issues, this study proposes an improved remote sensing image mosaic model on the bias of the Scale Invariant Feature Transform (SIFT) algorithm. …”
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6436
Risk identification and assessment of Internet public opinion on public emergencies based on Bayesian network and association rule mining
Published 2025-07-01“…The core innovation lies in designing an improved scheme based on the CBA (Classification Based on Associations) algorithm to overcome the limitation of traditional association rule mining in handling non-Boolean data, thereby effectively extracting the correlations among public opinion risk factors to optimize the topological structure of the BN. …”
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6437
Data and Knowledge Dual-Driven Creep Life Prediction for Austenitic Heat-Resistance Steel
Published 2025-01-01“…In this study, we collected 216 creep data of austenitic heat-resistant steel, selected a variety of different machine learning algorithms to establish creep life prediction models, calculated and introduced a large amount of physical metallurgy knowledge highly related to creep based on Thermo-Calc, and converted the creep life into the form of the Larson–Miller parameter to optimize the data distribution, which effectively improved the prediction accuracy and interpretability of the model. …”
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6438
Research on the blockchain-based trusted ownership confirmation and value transfer system and its light weight of industrial data assets
Published 2025-06-01“…The consensus protocol algorithm of the blockchain system was optimized based on the trustworthiness of nodes, reducing the probability of malicious attacks on nodes while improving the efficiency of system transaction consensus, achieving security and lightweight parallelism of the entire system. …”
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6439
Detecting Botrytis Cinerea Control Efficacy via Deep Learning
Published 2024-11-01“…Experimental results show that the validation loss of this method reaches 0.007, with a mean absolute error of 0.0148, outperforming other comparative models. This study enriches the theory of gray mold control and provides information technology for optimizing and selecting its inhibitors.…”
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6440
A growth posture identification method of immature peaches in natural environments
Published 2024-11-01“…The model was easily deployed with improved detection speed. …”
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