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2141
Domain generalization for image classification based on simplified self ensemble learning.
Published 2025-01-01“…Experimental results on three public benchmark datasets (OfficeHome, PACS, and VLCS) demonstrate that our proposed algorithm achieves an improvement of up to 3 . 38% over existing methods in terms of generalization performance, particularly in complex and diverse real-world scenarios, such as autonomous driving and medical image analysis. …”
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2142
Numerical Solution of the Inverse Thermoacoustics Problem Using QFT and Gradient Method
Published 2025-06-01“…The inverse problem was reduced to an optimization problem, where the objective function was minimized using gradient methods, including the accelerated Nesterov algorithm. …”
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2143
SafeTrack: Secure Tracking Protocol for Mobile Sensor Nodes in Unstable Wireless Sensor Networks
Published 2025-01-01“…This results in a 64% improvement in localization accuracy, 24.1% higher energy retention, and 51.1% lower latency, while achieving optimal performance even in highly unstable environments. …”
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2144
Online Autonomous Motion Control of Communication-Relay UAV with Channel Prediction in Dynamic Urban Environments
Published 2024-12-01“…Comparative experiments and simulation results under different scenarios show that the proposed motion-control method can drive the UAV to reach or track the optimal relay position and improve the network performance, while demonstrating that it is beneficial to consider the impact of the environments on the channel characteristics.…”
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2145
Quantitative evaluation and obstacle factor diagnosis of drug regulatory capacity in China.
Published 2025-01-01“…<h4>Methods</h4>Using the methods of literature research, expert interviews, investigation and analysis, the quantitative evaluation indicator system of supervision ability was established in all directions; the indicator data were collected and quantified; the indicator weight setting algorithm of the evaluation system was improved and the indicator weight was set by combining AHP and entropy method; the differences among eastern, central, and western provincial-level regions were analyzed by variance analysis; panel data were constructed for spatio-temporal evolution analysis; obstacle factor diagnosis model was used to analyze the obstacle factors.…”
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2146
Nonlinear Model Predictive Control for Trajectory Tracking of Omnidirectional Robot Using Resilient Propagation
Published 2025-01-01“…This paper proposes an enhanced Nonlinear Model Predictive Control (NMPC) framework that incorporates a robust, convergent variant of the resilient propagation (RPROP) algorithm to efficiently solve the Nonlinear Optimization Problem (NOP) in real time. …”
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2147
Multi-Modal Federated Learning Over Cell-Free Massive MIMO Systems for Activity Recognition
Published 2025-01-01“…Additionally, we employ a modified Particle Swarm Optimization (PSO) algorithm for efficient resource allocation. …”
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2148
I-YOLOv11n: A Lightweight and Efficient Small Target Detection Framework for UAV Aerial Images
Published 2025-08-01“…Therefore, this paper proposes a lightweight algorithm, I-YOLOv11n, based on YOLOv11n, which is systematically improved in terms of both feature enhancement and structure compression. …”
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2149
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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2150
Prediction of river dissolved oxygen (DO) based on multi-source data and various machine learning coupling models.
Published 2025-01-01“…In this study, a hybrid machine learning model for river DO prediction, called DWT-KPCA-GWO-XGBoost, is proposed, which combines the discrete wavelet transform (DWT), kernel principal component analysis (KPCA), gray wolf optimization algorithm (GWO), and extreme gradient boosting (XGBoost). …”
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2151
The balance between traffic control and economic development in tourist cities under the context of COVID-19: A case study of Xi'an, China.
Published 2024-01-01“…After determining the functional relationship between the control intensity and the number of tourists and the cumulative number of confirmed cases, the NSGA-II algorithm is employed to perform multi-objective optimization with consideration of the requirements for epidemic prevention and control and for economic development to get an appropriate traffic control intensity and suggest scientific traffic control measures. …”
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2152
Adaptive machine learning framework: Predicting UHPC performance from data to modelling
Published 2025-09-01“…Bayesian optimization fine-tuned each model's hyperparameters to identify the optimal model-FS combination. …”
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2153
Digital three-stage recursive-separable image processing filter with variable sizes of scanning multielement aperture
Published 2024-12-01“…The study established that the processing time of a test image using the developed filter is on average 5 times less than the time taken by the classical two-dimensional convolution algorithm. The optimal coefficients for magnifying the central element and raising the positive part of the aperture of a digital filter were determined, enabling the efficiency of its use to be enabled.Conclusions. …”
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2154
Energy-Efficient Dual-Iteration Power Allocation for Two-Phase Relay System with Massive Antennas
Published 2014-01-01“…Numerical results show that the proposed DIPA algorithms can greatly improve EE while guaranteeing spectrum efficiency (SE) when compared with the equal power allocation algorithm. …”
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2155
Advanced artificial intelligence with federated learning framework for privacy-preserving cyberthreat detection in IoT-assisted sustainable smart cities
Published 2025-02-01“…Eventually, the walrus optimization algorithm (WOA) is used for hyperparameter tuning to improve the parameters of the SSAE approach and achieve optimal performance. …”
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2156
FEXGBIDS: Federated XGBoost-Based Intrusion Detection System for In-Vehicle Network
Published 2025-01-01“…Additionally, we employ BLS aggregate signatures to achieve efficient and verifiable parameter aggregation, and leverage the DDSketch distributed quantile estimation algorithm to optimize the feature bucketing process. …”
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2157
Enhancing high pressure pulsation test bench performance: a machine learning approach to failure condition tracking
Published 2025-05-01“…The utilization of FCTT has enabled the prediction of HPPT failures, the optimization of maintenance schedules, the minimization of downtime, and the improvement of maintenance practices. …”
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2158
Post-Quantum Cryptographic Frameworks for Internet of Things (IoT) and Internet of Medical Things (IoMT) Authentication Systems
Published 2025-06-01“…The result demonstrates that QAuthIoMT achieves a Quantum Attack Resilience (QAR) score of 0.98, while reducing energy consumption by 37% compared to PQCAIE and improving throughput by 2.1× over K3S-PQC. …”
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2159
Rethinking Exploration and Experience Exploitation in Value-Based Multi-Agent Reinforcement Learning
Published 2025-01-01“…We aim to optimize a deep MARL algorithm with minimal modifications to the well-known QMIX approach. …”
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2160
Deep Reinforcement Learning-Based Active Disturbance Rejection Control for Trajectory Tracking of Autonomous Ground Electric Vehicles
Published 2025-06-01“…The framework integrates active disturbance rejection control (ADRC) for real-time disturbance estimation and compensation with a deep deterministic policy gradient (DDPG)-based deep reinforcement learning (DRL) algorithm for dynamic optimization of controller parameters to improve tracking accuracy and robustness. …”
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