Showing 6,181 - 6,200 results of 11,103 for search 'features problems', query time: 0.17s Refine Results
  1. 6181

    Stability Optimization of Explicit Runge–Kutta Methods with Higher-Order Derivatives by Gerasim V. Krivovichev

    Published 2024-11-01
    “…In numerical experiments, optimal parameter values are used for the construction of high-order schemes for the method of lines for problems with partial differential equations. Problems for linear and nonlinear hyperbolic and parabolic equations are considered. …”
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    Article
  2. 6182

    Object Ontologies as a Priori Models for Logical-Probabilistic Machine Learning by D. N. Gavrilin, A.V. Mantsivoda

    Published 2025-03-01
    “…The combination of LPML and object ontologies is capable of solving the forecasting problems, the tasks of automated control, problem detection, decision making, and business process synthesis. …”
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    Article
  3. 6183

    L’estime de soi : un cas particulier d’estime sociale ? by Matteo Santarelli

    Published 2016-08-01
    “…Axel Honneth’s discussion of the relation between self esteem and social esteem represents an original feature of his intersubjective theory of recognition. …”
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  4. 6184

    Evaluation of the River Salinity Changes using Hydrochemical Method in Arid Area (Case Study: Namaklan River, Ilam) by Maryam Mousavi, Noredin Rostami, Haji Karimi

    Published 2018-05-01
    “…Extended Abstract 1-Introduction Increasing the salinity of natural sources of drinking water has been reported as one of the problems affecting low-income countries, but it has not yet been thoroughly investigated. …”
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    Article
  5. 6185

    Structural Parameter Identification Using Multi-Objective Modified Directional Bat Algorithm by LIU Li-jun, LIN Ying-hai, SU Yong-hui, LEI Ying

    Published 2025-01-01
    “…The swarm intelligent optimization methods transform a complex problem of structural parameter identification into a constrained optimization problem. …”
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    Article
  6. 6186

    Instantaneous Frequency Analysis Based on High-Order Multisynchrosqueezing Transform on Motor Current and Application to RV Gearbox Fault Diagnosis by Shiyi Chai, Kai Xu

    Published 2025-03-01
    “…However, for gearboxes, the commonly used methods of detecting faulty frequency sidebands are easily disturbed by installation errors, inherent harmonics, and fundamental frequency with high amplitude. Aiming at this problem, this study presents instantaneous frequency polarview (IFpolarview), which diagnoses faults based on motor angle and motor current frequency modulation (FM) features. …”
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    Article
  7. 6187

    The value of the theoretical heritage of M. D. Kondratiev in the state regulation of the economy by O.O. Krynytska, T.I. Tkachuk

    Published 2020-06-01
    “…Emphasis is placed on the causal link between the creation of the «long wave» theory and Kondratiev's interest in the problems of combining the market and the plan, the problems of prediction and forecasting. …”
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  8. 6188
  9. 6189

    An evolutionary algorithm‐based classification method for high‐dimensional imbalanced mixed data with missing information by Yi Liu, Gengsong Li, Qibin Zheng, Guoli Yang, Kun Liu, Wei Qin

    Published 2024-10-01
    “…Multiple feature selection uses a two‐stage strategy to obtain stable relevant features. …”
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    Article
  10. 6190

    Semi-supervised gearbox fault diagnosis under variable working conditions based on masked contrastive learning by ZHANG Huiyun, ZUO Fangjun, LI Hang, YU Xi

    Published 2025-06-01
    “…Finally, during the fine-tuning phase, a domain-conditioned feature correction strategy was introduced to generate target domain feature corrections. …”
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    Article
  11. 6191

    CWMS-GAN: A small-sample bearing fault diagnosis method based on continuous wavelet transform and multi-size kernel attention mechanism. by Shun Yu, Zi Li, Jialin Gu, Runpu Wang, Xiaoyu Liu, Lin Li, Fusen Guo, Yuheng Ren

    Published 2025-01-01
    “…Specifically, this study proposes a continuous wavelet convolution strategy (CWCL) instead of the traditional convolution operation in GAN, which can additionally capture the signal's frequency domain features. Meanwhile, this study designed a new multi-size kernel attention mechanism (MSKAM), which can extract the features of bearing vibration signals from different scales and adaptively select the features that are more important for the generation task to improve the accuracy and authenticity of the generated signals. …”
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    Article
  12. 6192

    Bearing Compound Fault Diagnosis Based on Double-Domain Reweighted Adaptive Sparse Representation by Jing Meng, Jiawen Xu, Chang Liu, Chao Chen, Lili Liu

    Published 2024-01-01
    “…Diagnosing compound faults accurately is a thorny problem, which can ensure the normal operation of mechanical structure. …”
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    Article
  13. 6193

    A NOVEL VOICE-BASED SYSTEM FOR PARKINSON’S DISEASE DETECTION USING RNN-LSTM by Repudi Pitchiah, T. Sasi Rooba, Uma Pavan Kumar

    Published 2024-12-01
    “…For a range of prediction problems that are troubling medical practitioners, Deep Learning (DL) has gained popularity recently. …”
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    Article
  14. 6194

    Entrepreneurial Coenosis in View of Evolutionary Approach by A. N. Kuzminov, V. M. Dzukha, I. G. Paliy

    Published 2019-03-01
    “…Methodological solution of this problem is possible through identifying general features of complex systems’ shaping – both biological, technical and economic, which are capable of self-organization. …”
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  15. 6195

    Sequence-to-point learning based on spatio-temporal attention fusion network for non-intrusive load monitoring by Shiqing Zhang, Youyao Fu, Xiaoming Zhao, Jiangxiong Fang, Yadong Liu, Xiaoli Wang, Baochang Zhang, Jun Yu

    Published 2025-02-01
    “…Initially, a temporal feature extraction module is designed to extract temporal features over a large temporal receptive field. …”
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    Article
  16. 6196

    Fault diagnosis method for rigid guides in vertical shaft hoisting systems by WANG Jianfeng, JIN Yuanzhi, ZHANG Yong, WANG Yongzhen, HE Jiacong

    Published 2025-06-01
    “…At present, vibration detection methods are mostly used for rigid guide fault diagnosis, but the diagnostic accuracy is easily affected by operating conditions such as cage load and running speed. To address this problem, eddy current sensors are used to collect fault signals of the rigid guides, ensuring that the signal features are not affected by the cage's operating environment. …”
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    Article
  17. 6197

    Steganalysis Using KL Transform and Radial Basis Neural Network by Safwan Hasoon, Farhad Khalifa

    Published 2012-07-01
    “…The essential problem in the security field is how to detect information hiding. …”
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    Article
  18. 6198

    SlowFast-TCN: A Deep Learning Approach for Visual Speech Recognition by Nicole Yah Yie Ha, Lee-Yeng Ong, Meng-Chew Leow

    Published 2024-12-01
    “…To address this challenge, viseme classification must not only extract lip image spatial features, but also to handle visemes of varying durations and temporal features. …”
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  19. 6199

    Multistep Prediction Model for Photovoltaic Power Generation Based on Time Convolution and DLinear by WANG Shuyu, LI Hao, MA Gang, YUAN Yubo, BU Qiangsheng, YE Zhigang

    Published 2025-04-01
    “…First, it improves the complete ensemble empirical mode decomposition with adaptive noise and ICEEMDAN decomposes multivariate meteorological sequences to reveal their potential features and obtain multidimensional subsequences that make it easier to learn multiscale features. …”
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  20. 6200

    Quantification of the heterogeneity of prognostic cellular biomarkers in ewing sarcoma using automated image and random survival forest analysis. by Claudia Bühnemann, Simon Li, Haiyue Yu, Harriet Branford White, Karl L Schäfer, Antonio Llombart-Bosch, Isidro Machado, Piero Picci, Pancras C W Hogendoorn, Nicholas A Athanasou, J Alison Noble, A Bassim Hassan

    Published 2014-01-01
    “…The distribution of image features for biomarkers in the remaining high quality material (118 cases, 104 features per case) were analysed by RSF with feature selection, and performance assessed using internal cross-validation, rather than a separate validation cohort. …”
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