Showing 10,361 - 10,380 results of 11,103 for search 'features problems', query time: 0.18s Refine Results
  1. 10361

    Ensemble machine learning-based pre-trained annotation approach for scRNA-seq data using gradient boosting with genetic optimizer by Osama Elnahas, Waleed M. Ead, Yushan Qiu, Jian Lu

    Published 2025-07-01
    “…We propose an ensemble machine learning-based pre-trained annotation framework that integrates gradient boosting and genetic optimization for robust feature selection. The proposed method uses ensemble learning to enhance annotation accuracy under data scarcity, addressing limitations in existing supervised methods by leveraging a combination of multiple annotated datasets and feature alignment strategies. …”
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  2. 10362

    Robust two stages federated learning for sensor based human activity recognition with label noise by Haifeng Sun, Junping Yao, Xiaojun Li, Yanfei Liu, Hongyang Gu

    Published 2025-05-01
    “…To overcome these challenges of complex label noise and feature drift, this paper proposes LN-FHAR, a two-stage federated learning framework with label noise robustness. …”
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  3. 10363

    Deep Neural Network-Based Detection of Modulated Jamming in Free-Space Optical Systems: Theory and Performance Under Atmospheric Fading by Manav R. Bhatnagar

    Published 2025-01-01
    “…This paper investigates the problem of detecting structured optical jamming introduced via a separate FSO link, where both legitimate and adversarial transmissions undergo independent Gamma-Gamma fading. …”
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  4. 10364

    The Development of a Lightweight DE-YOLO Model for Detecting Impurities and Broken Rice Grains by Zhenwei Liang, Xingyue Xu, Deyong Yang, Yanbin Liu

    Published 2025-04-01
    “…The loss problem of class imbalance is optimized using the Focal Loss function. …”
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  5. 10365

    Dynamic convolutional model based on distribution-collaboration strategy for remote sensing scene classification by Chenjun Xu, Jingqian Shu, Zhenghan Wang, Jialin Wang

    Published 2025-08-01
    “…Secondly, an adaptive enhanced attention mechanism based on the Lie Group feature covariance matrix is designed to aggregate the essential attribute feature (EAF) of HRRSI, which can effectively deal with HRRSI without increasing the computational complexity and delay of the model with the increase of HRRSI resolution. …”
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  6. 10366

    A hybrid approach of vision transformers and CNNs for detection of ulcerative colitis by Syed Abdullah Shah, Imran Taj, Syed Muhammad Usman, Syed Nehal Hassan Shah, Ali Shariq Imran, Shehzad Khalid

    Published 2024-10-01
    “…Researchers have proposed variety of machine/deep learning methods for automated detection of ulcerative colitis, however, several challenges exists including class imbalance problem, comprehensive feature extraction and accurate classification. …”
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  7. 10367

    Neural Machine Translation in Electrical Engineering With Cross-Layer Information Fusion and Multiple Positional Mapping by Zhenyu Zhang, Yuan Chen, Juwei Zhang

    Published 2025-01-01
    “…This method integrates the Long Short-Term Memory (LSTM) and the attention mechanism to construct a cross-layer information compensation architecture consisting of a cross-layer feature propagation module and a feature fusion module to compensate for the attenuation of cross-layer semantic information and position information. …”
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  8. 10368

    Effectiveness of using a slider-crank mechanism for waffle background milling by I. N. Drozdov, A. Yu. Popov

    Published 2024-06-01
    “…This eliminates the exit of the mechanism out of the cell dimensions, as well as provides a significant reduction of cutting forces up to 10 N and removes the problem of using coolant (dry machining). This is a feature of the high-speed milling mode, when the feed rate and cutting speed are significantly higher than traditional ones, and the cutting depth does not exceed 1 mm. …”
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  9. 10369

    Fault Diagnosis of Semi-Supervised Electromechanical Transmission Systems Under Imbalanced Unlabeled Sample Class Information Screening by Chaoge Wang, Pengpeng Jia, Xinyu Tian, Xiaojing Tang, Xiong Hu, Hongkun Li

    Published 2025-02-01
    “…This mechanism discriminates based on the variability of intrinsic feature information in fault samples, accurately screening out unlabeled samples located near decision boundaries that are difficult to separate clearly. …”
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    Article
  10. 10370

    Bayesian Optimized Enhanced Ensemble Multi-Layer Perceptron for Rear-End Collision Prediction in IoV by Dilna Vijayan, Mohamed Saad, Ahmed M. Khedr

    Published 2024-01-01
    “…The complexity entailed in tackling this problem, specifically concerning the prediction of rear-end crashes, demands the application of cutting-edge methodologies. …”
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  11. 10371

    A Cloud User Anomaly Detection Method Based on Mouse Behavior by XU Hong-jun, ZHANG Hong, HE Wei

    Published 2019-08-01
    “… Aiming at the problem of cloud security threat caused by illegal operation of cloud users, this paper proposes a method to detect the abnormal behavior of cloud users by analyzing the mouse operation behavior in user’s work by using deep learning technology under the premise of ensuring the privacy of cloud users. …”
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  12. 10372

    FAULT DIAGNOSIS OF SCRAPER CONVEYOR REDUCER BASED ON IMPROVED FIREFLY ALGORITHM TO OPTIMIZE NEURAL NETWORK by MAO Jun, GUO Hao, CHEN HongYue

    Published 2019-01-01
    “…The second application feature data sample for fault diagnosis model based on neural network training. …”
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  13. 10373

    Parallel and distributed chimp-optimized LSTM for oil well-log reconstruction in China by Zisong Wang, Zhiliang Cheng, Wenxiang Wang, Xiujian Ding, Lu Xia

    Published 2025-07-01
    “…This study tackles this problem by devising a deep Long Short-Term Memory (LSTM) model that uses the new Parallel and Distributed Chimp Optimization Algorithm (PDCOA). …”
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  14. 10374

    Object Tracking with Adaptive Multicue Incremental Visual Tracker by Jiang-tao Wang, De-bao Chen, Jing-ai Zhang, Su-wen Li, Xing-jun Wang

    Published 2014-01-01
    “…Generally, subspace learning based methods such as the Incremental Visual Tracker (IVT) have been shown to be quite effective for visual tracking problem. However, it may fail to follow the target when it undergoes drastic pose or illumination changes. …”
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  15. 10375

    Offline Handwritten Chinese Character Recognition Based on DBN and CNN Fusion Model by LI Lanying, ZHOU Zhigang, CHEN Deyun

    Published 2020-06-01
    “…Aiming at the problem that some offline handwritten Chinese characters are similar in shape and it is difficult to extract the feature of characters and the recognition is not accurate, a convolutional neural network and deep belief network fusion model is proposed Firstly, the convolutional neural network and the deep belief network are trained on the dataset respectively It is found that the comprehensive TOP-2 accuracy of the both can reach 99.33% Using the advantages of convolutional neural networks and deep belief networks in image analysis, a fusion comparison strategy is adopted to extract a classification result as accurately as possible in the TOP-2 classification of the two to improve the recognition ability The experimental results show that the fusion model of convolutional neural network and deep belief network has better recognition effect than convolutional neural network and deep belief network…”
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  16. 10376

    Fuzzy Volterra Integral Equations with Piecewise Continuous Kernels: Theory and Numerical Solution by S. Noeiaghdam, D.N. Sidorov, A.I. Dreglya

    Published 2024-12-01
    “…This research focuses on addressing both linear and nonlinear fuzzy Volterra integral equations that feature piecewise continuous kernels. The problem is tackled using the method of successive approximations. …”
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  17. 10377

    Underwater Localization and Tracking of Physical Systems by Patrick Carroll, Shengli Zhou, Hao Zhou, Xiaoka Xu, Jun-Hong Cui, Peter Willett

    Published 2012-01-01
    “…We investigate the problem of localizing an underwater sensor node based on message broadcasting from multiple surface nodes. …”
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  18. 10378

    Asymptotic second moment of Dirichlet L-functions along a thin coset by Bradford Garcia, Matthew P. Young

    Published 2025-01-01
    “…The lower-order main term does not appear in the second moment of the Riemann zeta function, so this feature is not anticipated from the analogous archimedean moment problem.…”
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  19. 10379

    Efficient DDoS attack detection and prevention scheme based on SDN in cloud environment by Heng HE, Yan HU, Lianghan ZHENG, Zhengyuan XUE

    Published 2018-04-01
    “…For addressing the problem of two typical types of distributed denial of service (DDoS) attacks in cloud environment,a DDoS attack detection and prevention scheme called SDCC based on software defined network (SDN) architecture was proposed.SDCC used a combination of bandwidth detection and data flow detection,utilized confidence-based filtering (CBF) method to calculate the CBF score of packets,judged the packet of CBF score below the threshold as an attacking packet,added its attribute information to the attack flow feature library,and sent the flow table to intercept it through SDN controller.Simulation results show that SDCC can detect and prevent different types of DDoS attacks effectively,and it has high detection efficiency,reduces the controller’s computation overhead,and achieves a low false positive rate.…”
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  20. 10380

    A Novel Rotating Disk System for Disintegration of Excess Sludge by Ming yang Zhang, Yun Xiang, Jian wei Du

    Published 2016-01-01
    “…Special feature on surfaces of disks had been proved to be a novel improvement which can improve disintegration effect apparently. …”
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