Showing 641 - 660 results of 936 for search 'point loss function', query time: 0.17s Refine Results
  1. 641

    Enhanced thermal performance of variable cross-section solar collectors: a case study in Santiniketan, India by Pranab Kanti Roy

    Published 2025-06-01
    “…Abstract We present analytical models for variable cross-section absorber plate solar collectors, where the thermal conductivity, overall heat loss coefficient, and incident solar heat flux are power-law functions of temperature. …”
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  2. 642
  3. 643

    Optimized Two-Stage Anomaly Detection and Recovery in Smart Grid Data Using Enhanced DeBERTa-v3 Verification System by Xiao Liao, Wei Cui, Min Zhang, Aiwu Zhang, Pan Hu

    Published 2025-07-01
    “…Key innovations include (1) a balanced loss function combining focal loss (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>α</mi></semantics></math></inline-formula> = 0.65, <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>γ</mi></semantics></math></inline-formula> = 1.2), Dice loss (weight = 0.5), and contrastive learning (weight = 0.03) to reduce over-rejection by 73.4%; (2) an ensemble verification strategy using multithreshold voting, achieving 91.2% accuracy; (3) optimized sample weighting prioritizing missed positives (weight = 10.0); (4) comprehensive feature extraction, including frequency domain and entropy features; and (5) integration of a generative time series model (TimER) for high-precision recovery of tampered data points. …”
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  4. 644

    Clinical application of standardization right thoracic incision for thoracoscopic thymic tumor resection by Shihao Xu, Dongzhao Gao, Xinming Li, Jiagang Zhang, Jian Yang, Enji Yang, Yong Ma, Jun Qian

    Published 2024-11-01
    “…This method, now widely recognized, better protects lung function, reduces intraoperative blood loss and pain, and shortens postoperative hospital stay. …”
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  5. 645
  6. 646

    Generalization Enhancement Strategies to Enable Cross-Year Cropland Mapping with Convolutional Neural Networks Trained Using Historical Samples by Sam Khallaghi, Rahebeh Abedi, Hanan Abou Ali, Hamed Alemohammad, Mary Dziedzorm Asipunu, Ismail Alatise, Nguyen Ha, Boka Luo, Cat Mai, Lei Song, Amos Olertey Wussah, Sitian Xiong, Yao-Ting Yao, Qi Zhang, Lyndon D. Estes

    Published 2025-01-01
    “…To address this, we focused on improving model generalization without relying on yearly labels through a holistic approach that integrates several techniques, including an area-based loss function, Tversky-focal loss (TFL), data augmentation, and the use of regularization techniques like dropout. …”
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  7. 647

    Safety Studies for Approval of Green Ammonia Bunkering Terminals – How Best to Apply CFD Modelling by Olav R. Hansen, Eirik S. Hansen, Steinar Kostøl

    Published 2025-06-01
    “…To achieve this the NH3 is stored refrigerated near its boiling point with all penetrations on top and redundant cooling systems. …”
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  8. 648
  9. 649

    Comparative efficacy of different anti-shortening screws in preventing postoperative shortening in displaced femoral neck fractures: a retrospective cohort study by Fengfei Lin, Dongze Lin, Jiajie Liu, Ke Zheng, Chaohui Lin

    Published 2025-04-01
    “…Primary outcome was femoral neck shortening distance, with secondary outcomes including hip function recovery (Harris Hip Score and Parker Score), surgical time, intraoperative blood loss, and complication rates. …”
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  10. 650

    Mathematical Modeling for Ceramic Shape 3D Image Based on Deep Learning Algorithm by Lijian Zhang, Guangfu Liu

    Published 2021-01-01
    “…Each module in the compression framework is optimized by a rate-distortion loss function. The experimental results show that the proposed 3D image modeling method has significant advantages in compression performance compared with the optimal 2D 3D image modeling method based on deep learning, and the experimental results show that the performance of the proposed method is superior to JP3D and HEVC methods, especially at low bit rate points.…”
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  11. 651

    Performance Analysis of UAV-Based FSO Communication System for Real Time Traffic Monitoring and Management in Smart Cities by D Komathi, G Aarthi

    Published 2025-01-01
    “…The system&#x2019;s performance has been investigated by taking factors such as atmospheric loss, pointing error, atmospheric turbulence and angle-of-arrival fluctuation caused due to the hovering state of UAV. …”
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  12. 652

    Unification of various type expressions for probability distribution of arbitrary random noise and vibration waves based on their actual fluctuation ranges (theory and experiment) by M. OHTA, N. NAKASAKO, Y. XIAO

    Published 2014-05-01
    “…In the measurement of actual random phenomena, the observed data often result in a loss or a distortion of information due to the existence of a definite dynamic range of measurement equipments. …”
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  13. 653

    Childhood and Media: Occurring of the Peer Violence by Lidija Eret

    Published 2024-12-01
    “…Due to the increasing digitalisation, we also observe increased peer aggression among children and young people, and this paper points to the links between these two phenomena of the modern age. …”
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  14. 654

    A Method for the evaluation of knowledge management systems by Claudio Henrique dos Santos Grecco, Silas Cordeiro Augusto, Jaqueline Tavares Viana de Souza, Paulo Victor Rodrigues Carvalho, Adriana Loureiro Davila

    Published 2021-07-01
    “…The explicit and tacit knowledge of workers constitute as valuable resources, as they enable organizations to perform their functions successfully. Such knowledge is derived from the qualification and experience of workers. …”
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  15. 655

    Predictive maintenance of belt conveyor drives based on the analysis of lubricating oil parameters by Kuzin E.G., Mamaeva M.S., Komarov D.S.

    Published 2025-06-01
    “…Basic information about the purpose and functions of additives is given. A brief analysis of the history of the development of methods for assessing oil condition by various parameters is considered. …”
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  16. 656

    Mutant glycyl-tRNA synthetase (Gars) ameliorates SOD1(G93A) motor neuron degeneration phenotype but has little affect on Loa dynein heavy chain mutant mice. by Gareth T Banks, Virginie Bros-Facer, Hazel P Williams, Ruth Chia, Francesca Achilli, J Barney Bryson, Linda Greensmith, Elizabeth M C Fisher

    Published 2009-07-01
    “…GARS is ubiquitously expressed and may have functions in addition to its canonical role in protein synthesis through catalyzing the addition of glycine to cognate tRNAs.…”
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  17. 657

    Ustilago maydis Trf2 ensures genome stability by antagonizing Blm-mediated telomere recombination: Fine-tuning DNA repair factor activity at telomeres through opposing regulations. by Shahrez Syed, Sarah Aloe, Jeanette H Sutherland, William K Holloman, Neal F Lue

    Published 2024-12-01
    “…Herein we investigated the mechanisms and functions of the Trf2 ortholog in the basidiomycete fungus Ustilago maydis, which manifests strong resemblances to metazoans with regards to the telomere and DNA repair machinery. …”
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  18. 658

    Tailoring the mechanical and degradation properties of 3DP PLA/PCL scaffolds for biomedical applications by Kalva Sumama Nuthana, Zakaria Yahya, Velasquez Carlos A., Koç Muammer

    Published 2025-03-01
    “…Furthermore, an increase in PCL content correlates with a reduction in weight loss, indicating slower degradation rates in phosphate-buffered saline. …”
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  19. 659

    Why borrow from Peter when Paul can afford it? Reverse homodigital artery flap for fingertip reconstruction by Narayanamurthy Sundaramurthy, Surya Rao Rao Venkata Mahipathy, Alagar Raja Durairaj

    Published 2017-05-01
    “…Background: Fingertip injuries that are complicated by pulp loss, bone or tendon exposure will need a flap cover. …”
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  20. 660

    Complications for Bone Marrow Transplant Patients by Dunia W. AL-Fayad, Sajid Majeed Hameed, Wafaa Mohammed

    Published 2014-04-01
    “…The cumulative prevalence of any complications underwent transplant was above cut-off point, mean of score was (2) headache, depression, change in test, dry mouth, oral bleeding, hair loss, fever, and (1.92) nausea, vomiting, (1.76) anorexia, flushing skin, while (1.61) constipation. …”
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