Showing 421 - 440 results of 1,684 for search 'learning thresholds', query time: 0.12s Refine Results
  1. 421

    Optimization of EEG-based wheelchair control: machine learning, feature selection, outlier management, and explainable AI by Amr M. Hamed, Abdel-Fattah Attia, Heba El-Behery

    Published 2025-07-01
    “…This study proposes an optimized classification framework that evaluates ten machine learning (ML) models, emphasizing ensemble methods, feature selection (FS), and outlier utilization. …”
    Get full text
    Article
  2. 422

    The calcitron: A simple neuron model that implements many learning rules via the calcium control hypothesis. by Toviah Moldwin, Li Shay Azran, Idan Segev

    Published 2025-01-01
    “…We demonstrate that by modulating the plasticity thresholds and calcium influx from each calcium source, we can reproduce a wide range of learning and plasticity protocols, such as Hebbian and anti-Hebbian learning, frequency-dependent plasticity, and unsupervised recognition of frequently repeating input patterns. …”
    Get full text
    Article
  3. 423

    Pre-Filtering SCADA Data for Enhanced Machine Learning-Based Multivariate Power Estimation in Wind Turbines by Bubin Wang, Bin Zhou, Denghao Zhu, Mingheng Zou, Haoxuan Luo

    Published 2025-02-01
    “…Finally, the performance of the power estimation model is validated using two wind turbine datasets and two machine learning algorithms, with results compared with and without filtering. …”
    Get full text
    Article
  4. 424

    A Comprehensive Feature Extraction Network for Deep-Learning-Based Wildfire Detection in Remote Sensing Imagery by Haiyan Pan, Die Luo, Yuewei Zhang

    Published 2025-03-01
    “…These techniques usually depend on set thresholds or the extraction of local features, which can lead to incorrect positives and overlooked detections. …”
    Get full text
    Article
  5. 425

    A Deep Learning-Based Echo Extrapolation Method by Fusing Radar Mosaic and RMAPS-NOW Data by Shanhao Wang, Zhiqun Hu, Fuzeng Wang, Ruiting Liu, Lirong Wang, Jiexin Chen

    Published 2025-07-01
    “…In recent years, spatiotemporal sequence prediction models based on deep learning have garnered significant attention and achieved notable progress in radar echo extrapolation. …”
    Get full text
    Article
  6. 426

    DriftShield: Autonomous Fraud Detection via Actor-Critic Reinforcement Learning With Dynamic Feature Reweighting by Jialei Cao, Wenxia Zheng, Yao Ge, Jiyuan Wang

    Published 2025-01-01
    “…This article presents DriftShield, a novel adaptive fraud detection framework that addresses these limitations through four key technical innovations: (1) the first application of Soft Actor-Critic (SAC) reinforcement learning with continuous action spaces to fraud detection, enabling simultaneous fine-grained optimization of detection thresholds and feature importance weights; (2) a dynamic feature reweighting mechanism that automatically adapts to evolving fraud patterns while providing interpretable insights into changing fraud strategies; (3) an adaptive experience replay buffer combining sliding windows with prioritized sampling to balance catastrophic forgetting prevention with rapid concept drift adaptation; and (4) an entropy-driven exploration framework with automatic temperature tuning that intelligently balances exploitation of known fraud patterns with discovery of emerging threats. …”
    Get full text
    Article
  7. 427
  8. 428

    Machine Learning Ensemble Methods for Co-Seismic Landslide Susceptibility: Insights from the 2015 Nepal Earthquake by Tulasi Ram Bhattarai, Netra Prakash Bhandary

    Published 2025-07-01
    “…Future research should explore the integration of dynamic rainfall thresholds and physics-informed frameworks to enhance early warning systems and climate resilience.…”
    Get full text
    Article
  9. 429

    RaDiT: A Differential Transformer-Based Hybrid Deep Learning Model for Radar Echo Extrapolation by Wenda Zhu, Zhenyu Lu, Yuan Zhang, Ziqi Zhao, Bingjian Lu, Ruiyi Li

    Published 2025-06-01
    “…Our differential attention mechanism enhances noise suppression under high-threshold conditions, effectively minimizing spurious feature generation while improving metric reliability. …”
    Get full text
    Article
  10. 430

    Experimenting with learning-based image orientation approaches for photogrammetric mapping of <em>Posidonia oceanica</em> meadows by F. Menna, A. Calantropio, A. Pansini, G. Ceccherelli, E. Nocerino

    Published 2025-07-01
    “…Moreover we verified that, in such a complex scenario, it is crucial to adjust processing thresholds at the different stages of SfM (from matching to bundle adjustment) and take manual intervention measures to improve image orientation.…”
    Get full text
    Article
  11. 431

    Frontal plane mechanical leg alignment estimation from knee x-rays using deep learning by Kenneth Chen, Christoph Stotter, Christopher Lepenik, Thomas Klestil, Christoph Salzlechner, Stefan Nehrer

    Published 2025-03-01
    “…In this study, we develop and validate a deep learning model that classifies leg alignment as “normal” or “malaligned” from knee antero-posterior (AP)/postero-anterior (PA) radiographs alone, using an adjustable hip-knee-ankle (HKA) angle threshold. …”
    Get full text
    Article
  12. 432

    Machine learning-based Diagnostic model for determining the etiology of pleural effusion using Age, ADA and LDH by Qing-Yu Chen, Shu-Min Yin, Ming-Ming Shao, Feng-Shuang Yi, Huan-Zhong Shi

    Published 2025-05-01
    “…ADA was identified as the most important feature. The ROC of machine learning model outperformed those of conventional diagnostic thresholds. …”
    Get full text
    Article
  13. 433

    The impact of multipollutant exposure on hepatic steatosis: a machine learning-based investigation into multipollutant synergistic effects by Chunying Yan, Zhanfang Zhu, Xueyan Guo, Wei Zong, Guisheng Liu, Yan Jin, Shiyuan Cui, Fuqiang Liu, Shujuan Gao

    Published 2025-05-01
    “…The model demonstrated an amplification of effects in subgroups with severe obesity (OR = 2.66, 95% CI: 2.08–3.24) and impaired fasting glucose.DiscussionThis study establishes a machine learning framework for assessing multi-pollutant risks in NAFLD, identifying 2-Hydroxynaphthalene as a significant hepatotoxicant and EPEI as a quantifiable metric of exposure. …”
    Get full text
    Article
  14. 434

    Enhancing Voice Activity Detection for an Elderly-Centric Self-Learning Conversational Robot Partner in Noisy Environments by Subashkumar Rajanayagam, Max Andreas Ingrisch, Pascal Müller, Patrick Jahn, Stefan Twieg

    Published 2025-04-01
    “…Voice Activity Detection (VAD) is a root component in Human-Robot Interaction (HRI), especially for use cases such as a self-learning personalized conversational robot partner designed to support elderly users with high acceptance. …”
    Get full text
    Article
  15. 435

    The First Cadenza Challenges: Using Machine Learning Competitions to Improve Music for Listeners With a Hearing Loss by Gerardo Roa-Dabike, Michael A. Akeroyd, Scott Bannister, Jon P. Barker, Trevor J. Cox, Bruno Fazenda, Jennifer Firth, Simone Graetzer, Alinka Greasley, Rebecca R. Vos, William M. Whitmer

    Published 2025-01-01
    “…This paper details the first use of an open challenge methodology to improve the audio quality of music for those with hearing loss through machine learning. The first challenge (CAD1) had 9 participants. …”
    Get full text
    Article
  16. 436

    Machine Learning-Based Prediction Model for Multidrug-Resistant Organisms Infections: Performance Evaluation and Interpretability Analysis by Zhao W, Sun P, Li W, Shang L

    Published 2025-05-01
    “…Integration into hospital information systems with real-time dashboards could enhance early intervention strategies.Keywords: MDRO, machine learning, prediction, intensive care unit…”
    Get full text
    Article
  17. 437
  18. 438

    Predictive value of the stone-free rate after percutaneous nephrolithotomy based on multiple machine learning models by Zhao Rong Liu, Zhao Rong Liu, Zhan Jiang Yu, Jie Zhou, Jian Biao Huang

    Published 2025-08-01
    “…PurposeThis study aimed to develop three types of machine learning (ML) models based on gradient boosting decision tree (GBDT), random forest (RF), and extreme gradient boosting (XGBoost) to explore their predictive value for the stone-free rate after percutaneous nephrolithotomy (PCNL).Patients and methodsA retrospective analysis was conducted on 160 patients who underwent PCNL. …”
    Get full text
    Article
  19. 439
  20. 440

    The impact of project-based learning on mathematics interest and self-efficacy among senior high school students by Arief Aulia Rahman, Nyak Wha Usalmy, César Hernández, Craig N Refugio

    Published 2025-02-01
    “…The robustness of these results was confirmed by Pillai's Trace, Wilks' Lambda, Hotelling's Trace, and Roy's Largest Root tests, each demonstrating F-values with a significance level of 0.000, well below the threshold of 0.05. Moreover, the Coefficient of determination (R²) revealed that the PjBL model accounted for 73.5% of the variance in learning interest and 90.2% in self-efficacy, with the remaining variance being attributable to other factors not addressed in this study. …”
    Get full text
    Article