Suggested Topics within your search.
Showing 4,621 - 4,640 results of 8,513 for search 'optimization machine model', query time: 0.23s Refine Results
  1. 4621
  2. 4622

    Research on the Control Method of Force Servo System of Liquid Hydrostatic Guide Oil Film Thickness Test Bench for Machine Tools by Xu Fang, Youmin Wang, Bo Zhu

    Published 2022-01-01
    “…The test bench was designed to solve the problem of measuring the oil film thickness of the liquid hydrostatic guideway of machine tools. And based on the fast overshoot of the classical PID control, introducing the self-antidisturbance control algorithm, this study established a mathematical model of the test bench electro-hydraulic servo control system. …”
    Get full text
    Article
  3. 4623

    A Machine Learning Dataset of Artificial Inner Ring Damage on Cylindrical Roller Bearings Measured Under Varying Cross-Influences by Christopher Schnur, Payman Goodarzi, Yannick Robin, Julian Schauer, Andreas Schütze

    Published 2025-05-01
    “…In practical machine learning (ML) applications, covariate shifts and dependencies can significantly impact model robustness and prediction quality, leading to performance degradation under distribution shifts. …”
    Get full text
    Article
  4. 4624

    Research on Time Series Interpolation and Reconstruction of Multi-Source Remote Sensing AOD Product Data Using Machine Learning Methods by Huifang Wang, Min Wang, Pan Jiang, Fanshu Ma, Yanhu Gao, Xinchen Gu, Qingzu Luan

    Published 2025-05-01
    “…A comparison of five machine learning models showed that the random forest model performed optimally in AOD inversion, achieving a root mean square error (RMSE) of 0.11 and a coefficient of determination (R<sup>2</sup>) of 0.93. …”
    Get full text
    Article
  5. 4625

    Interpretable machine learning excavates a low-alloyed magnesium alloy with strength-ductility synergy based on data augmentation and reconstruction by Qinghang Wang, Xu Qin, Shouxin Xia, Li Wang, Weiqi Wang, Weiying Huang, Yan Song, Weineng Tang, Daolun Chen

    Published 2025-06-01
    “…The application of machine learning in alloy design is increasingly widespread, yet traditional models still face challenges when dealing with limited datasets and complex nonlinear relationships. …”
    Get full text
    Article
  6. 4626

    Support Vector Machine for Stratification of Cognitive Impairment Using 3D T1WI in Patients with Type 2 Diabetes Mellitus by Xu Z, Zhao L, Yin L, Cao M, Liu Y, Gu F, Liu X, Zhang G

    Published 2025-02-01
    “…Radiomics features were extracted from the brain tissue except ventricles and sulci in the 3D T1WI images, support vector machine (SVM) model was then established to identify the CI and N groups, and the MCI and DM groups, respectively. …”
    Get full text
    Article
  7. 4627

    Identifying Molecular Properties of Ataxin-2 Inhibitors for Spinocerebellar Ataxia Type 2 Utilizing High-Throughput Screening and Machine Learning by Smita Sahay, Jingran Wen, Daniel R. Scoles, Anton Simeonov, Thomas S. Dexheimer, Ajit Jadhav, Stephen C. Kales, Hongmao Sun, Stefan M. Pulst, Julio C. Facelli, David E. Jones

    Published 2025-05-01
    “…Compounds were clustered based on structural similarity independently for the three models using the SimpleKMeans algorithm into the optimal number of clusters (<i>n</i> = 26). …”
    Get full text
    Article
  8. 4628

    Simple Yet Powerful: Machine Learning-Based IoT Intrusion System With Smart Preprocessing and Feature Generation Rivals Deep Learning by Kazim Kivanc Eren, Kerem Kucuk, Fatih Ozyurt, Omar H. Alhazmi

    Published 2025-01-01
    “…However, these solutions introduce the risk of overengineering, in which the complexity of the model outweighs its practical benefits. In contrast, classical machine learning techniques offer a more efficient alternative but are often overlooked due to a lack of focus on data pre-processing, which is critical for achieving optimal performance. …”
    Get full text
    Article
  9. 4629

    Canopy extraction of mango trees in hilly and plain orchards using UAV images: Performance of machine learning vs deep learning by Yuqi Yang, Tiwei Zeng, Long Li, Jihua Fang, Wei Fu, Yang Gu

    Published 2025-07-01
    “…Subsequently, Mixed Dataset-HR-Net and ETC-CHM (Canopy height model) models were developed based on these optimal models, and their performance was evaluated for canopy segmentation and area extraction in four representative regions. …”
    Get full text
    Article
  10. 4630

    Installation of pocket parks in mountainous cities: A case study on the nonlinear effect of the built environment on pocket park vitality in Chongqing, China by Zhonghu Zhang, Junyan Yang, Yi Shi, Huiya Yang, Daijun Chen, Chenyang Zhang, Zhihan Zhang, Xun Zhang

    Published 2025-04-01
    “…It utilizes location-based service data to measure pocket park vitality. An interpretable machine learning model that integrates eXtreme Gradient Boosting (XGBoost) and Shapley Additive exPlanations (SHAP) is employed to explore the nonlinear effects and interactions of built environment factors on pocket park vitality. …”
    Get full text
    Article
  11. 4631

    Prediction and optimization of acoustic absorption performance of quasi-Helmholtz acoustic metamaterials based on LightGBM algorithm by Jianxin Xu, Weikang Mao, Xiaoqian Yu, Bingfei Liu

    Published 2025-01-01
    “…In this paper, by analyzing the model interpretation and optimization results, the optimal values of each parameter are obtained to satisfy the optimization requirements. …”
    Get full text
    Article
  12. 4632

    How digital therapeutic alliances influence the perceived helpfulness of online mental health Q&A: An explainable machine learning approach by Yinghui Huang, Hui Liu, Maomao Chi, Sujie Meng, Weijun Wang

    Published 2025-05-01
    “…Results The machine learning-based model for predicting perceived helpfulness demonstrated strong performance, achieving an root mean square error of 0.8234 and a mean absolute percentage error of 22.7288%. …”
    Get full text
    Article
  13. 4633
  14. 4634

    A study on factors influencing digital sports participation among Chinese secondary school students based on explainable machine learning by XiaoTao Cai, Yi Xian, TongYi Liu, YuXin Zhou, Qing Chen, HaoNan Cui

    Published 2025-05-01
    “…Multilevel logistic regression identified five significant influencing factors (p < 0.05): academic performance, weekly physical education class days, household ICT resources, school ICT resources, and ICT social perception, which were incorporated as features in machine learning models. Through grid search with 5-fold cross-validation, we constructed and optimized four basic machine learning models (GNB, GBDT, KNN, and LR), then developed an ensemble stacking model using base models with AUC values exceeding 0.70. …”
    Get full text
    Article
  15. 4635

    Inversion of SPAD Values of Pear Leaves at Different Growth Stages Based on Machine Learning and Sentinel-2 Remote Sensing Data by Ning Yan, Qu Xie, Yasen Qin, Qi Wang, Sumin Lv, Xuedong Zhang, Xu Li

    Published 2025-06-01
    “…First, spectral reflectance and representative vegetation indices were extracted and subjected to Pearson correlation analysis to construct three input feature schemes. Subsequently, four machine learning algorithms—K-Nearest Neighbors (KNN), Random Forest (RF), Support Vector Machine (SVM), and an Optimized Integrated Algorithm (OIA)—were employed to develop SPAD retrieval models, and the performance differences across various input combinations and models were systematically evaluated. …”
    Get full text
    Article
  16. 4636

    Machine Learning (AutoML)-Driven Wheat Yield Prediction for European Varieties: Enhanced Accuracy Using Multispectral UAV Data by Krstan Kešelj, Zoran Stamenković, Marko Kostić, Vladimir Aćin, Dragana Tekić, Tihomir Novaković, Mladen Ivanišević, Aleksandar Ivezić, Nenad Magazin

    Published 2025-07-01
    “…Study addresses the need for precision in yield estimation by applying machine-learning (ML) regression models to high-resolution Unmanned Aerial Vehicle (UAV) multispectral (MS) and Red-Green-Blue (RGB) imagery. …”
    Get full text
    Article
  17. 4637

    Innovative cone resistance and sleeve friction prediction from geophysics based on a coupled geo-statistical and machine learning process by A. Bolève, R. Eddies, M. Staring, Y. Benboudiaf, H. Pournaki, M. Nepveaux

    Published 2025-06-01
    “…By coupling the localised measurements from CPTs with more global 3D measurements derived from geophysical methods, a higher fidelity 3D overview of the subsurface can be obtained. Machine Learning (ML) may offer an effective means to capture all types of geophysical information associated with CPT data at a site scale to build a 2D or 3D ground model. …”
    Get full text
    Article
  18. 4638

    Improving resectable gastric cancer prognosis prediction: A machine learning analysis combining clinical features and body composition radiomics by Gianni S.S. Liveraro, Maria E.S. Takahashi, Fabiana Lascala, Luiz R. Lopes, Nelson A. Andreollo, Maria C.S. Mendes, Jun Takahashi, José B.C. Carvalheira

    Published 2025-01-01
    “…We evaluate the significance of body composition radiomics in predicting outcomes for resectable gastric cancer (GC) patients, as these parameters can enhance optimal surveillance strategies and risk-stratification models. …”
    Get full text
    Article
  19. 4639

    Origin Traceability of Chinese Mitten Crab (<i>Eriocheir sinensis</i>) Using Multi-Stable Isotopes and Explainable Machine Learning by Danhe Wang, Chunxia Yao, Yangyang Lu, Di Huang, Yameng Li, Xugan Wu, Weiguo Song, Qinxiong Rao

    Published 2025-07-01
    “…Interpretation of the optimal Random Forest model, using SHAP (SHapley Additive exPlanations) analysis, identified <i>δ</i><sup>2</sup>H in male muscle, <i>δ</i><sup>15</sup>N in female hepatopancreas, and <i>δ</i><sup>13</sup>C in female hepatopancreas as the most influential features for discriminating geographic origin. …”
    Get full text
    Article
  20. 4640

    Machine learning integration of multimodal data identifies key features of circulating NT-proBNP in people without cardiovascular diseases by Zhiyuan Ning, Xuanfei Jiang, Huan Huang, Honggang Ma, Ji Luo, Xiangyan Yang, Bing Zhang, Ying Liu

    Published 2025-04-01
    “…The optimal features predicting NT-proBNP levels were identified using univariate and step-forward multivariate models. …”
    Get full text
    Article