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Showing 161 - 180 results of 627 for search 'complex selection coefficient', query time: 0.10s Refine Results
  1. 161

    DDoSNet: Detection and prediction of DDoS attacks from realistic multidimensional dataset in IoT network environment by Goda Srinivasa Rao, P. Santosh Kumar Patra, V.A. Narayana, Avala Raji Reddy, G.N.V. Vibhav Reddy, D. Eshwar

    Published 2024-09-01
    “…Detecting and predicting such attacks in this complex and dynamic environment requires specialized techniques. …”
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    Article
  2. 162
  3. 163

    Enhanced dry SO₂ capture estimation using Python-driven computational frameworks with hyperparameter tuning and data augmentation by Robert Makomere, Hilary Rutto, Alfayo Alugongo, Lawrence Koech, Evans Suter, Itumeleng Kohitlhetse

    Published 2025-04-01
    “…The model complexity arising from hyperparameter configurations was appraised based on the Bayesian information criterion and the Akaike information criterion. …”
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    Article
  4. 164

    The Issue of Hydrodynamic Friction in the Context of the Operational Properties of Ring-Shaped Torsional Vibration Dampers by Aleksander Mazurkow, Andrzej Chmielowiec, Wojciech Homik

    Published 2025-06-01
    “…Improving the reliability and durability of internal combustion engines in marine vessels is a complex issue. The vibrations generated in these engines significantly affect their proper operation. …”
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    Article
  5. 165
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    JPEG reversible data hiding method based on optimal DCT frequency embedding by Ziyang ZHOU, Yun TAN, Jiaohua QIN, Xuyu XIANG

    Published 2023-08-01
    “…Joint photographic experts group (JPEG) images are widely used on the Internet due to their ability to maintain good picture quality while requiring less storage space.Reversible data hiding (RDH) techniques for JPEG images enable the hiding and extraction of secret information while allowing for lossless restoration of the original image.RDH is of great significance in file management and image authentication.However, many existing RDH methods result in a significant increase in the storage space of the encoded image after embedding secret information.For methods based on discrete cosine transform (DCT) coefficient embedding, the key issue that affects the performance of reversible information hiding in JPEG images is how to select the frequency band position.A reversible information hiding method for JPEG images was proposed, based on optimal DCT frequency embedding.The entropy decoded JPEG image was divided into 8×8 non-overlapping DCT blocks.The average texture complexity of each DCT block was calculated and ordered in ascending order.Then the alternating current (AC) in adjacent DCT blocks was paired pairwise.By satisfying the capacity of the information to be embedded, the optimal AC coefficient frequency position set was obtained from the distortion cost function of the AC coefficient frequency.The secret information was embedded according to the designed two-dimensional histogram mapping strategy.Experimental results demonstrate that the proposed method can reduce the expansion of the loaded image file’s storage size compared to existing methods, while maintaining good visual quality of the cover image.…”
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  7. 167

    Friction Prediction in Asphalt Pavements: The Role of Separated Macro- and Micro-Texture Parameters Under Dry and Wet Conditions by Jie Gao, Jingjing Fan, Chong Gao, Liang Song

    Published 2025-03-01
    “…The regression models effectively predict both friction coefficients, reducing field testing complexity and cost. …”
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    Article
  8. 168

    Diffusion dialysis-nanofiltration separation process to reclam the acidic desulfurization wastewater from steel enterprises by LI Fuqin, WANG Shiyi, LIANG Zhen, WANG Jin

    Published 2024-11-01
    “…The results indicated that optimal performance was achieved at membrane surface flow rate of 2.86×10-6 cm/s, with acid recovery rate of 87.5% and metal ion removal rate of >93%. The monovalent selective coefficient PSO42-Cl- reached its peak at 7.5 MPa, significantly surpassing that of monovalent selective electrodialysis. …”
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    Article
  9. 169

    The Effect of SLM Spreader Structures on the Powder Spreading Dynamics Mechanism of Diamond Tools by HUANG Guoqin, ZHANG Jiangtao, ZHU Xiaowei, XU Yangli, SUN Long, DU Yulong, ZHANG Yunhe

    Published 2025-01-01
    “…ObjectiveSelective laser melting (SLM)technology provides a new approach for the integratedmanufacture of metal-matrix diamond tools with structural and functional integration, which has drawn alot of interest from the academic and technicalcommunities. …”
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    Article
  10. 170
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    Numerical Methods of Solving Cauchy Problems with Contrast Structures by A. A. Belov, N. N. Kalitkin

    Published 2016-10-01
    “…These methods include explicit-implicit Rosenbrock schemes with complex coefficients and fully implicit backward optimal Runge–Kutta schemes. …”
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    Article
  12. 172

    CAFU-Net: A Context-Aware Feature Aggregation Network for Lung Nodule Segmentation by Jiachen Hou, Yingqi Lu, Zhougui Ling, Tao Li, Xiangsuo Fan, Yanna Qin, Qingnan Huang

    Published 2025-01-01
    “…These challenges are further compounded by low contrast and complex structural backgrounds. To address these issues, this paper proposes an improved U-Net network—CAFU-Net. …”
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    Article
  13. 173

    Cooking of the dried mushrooms as an effective solution for the reduction of the <sup>137</sup>Cs concentration by Kseniya V. Varfolomeeva

    Published 2020-01-01
    “…The following tubular dried mushrooms were selected for the study: Boletus edilus (cepe), porcini lurid boletus, annulated boletus, orange-cup boletus, variegated boletus and bay bolete. …”
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  14. 174

    The effect of yeast race on the composition of a high-molecular fraction and physical and chemical properties of sparkling wines by L. V. Gnetko, I. O. Zolotarev, G. Y. Arutyunova, V. N. Khachaturov

    Published 2019-03-01
    “…Active dry yeast (ADY) preparations recommended for the production of sparkling wines, produced in France have been selected as the objects of the research. The effect of new ADY races on the content of the substances of a high-molecular complex: lipids, proteins and phenolic compounds that act as surface-active substances responsible for the formation of sparkling and foamy properties have been studied. …”
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    A Novel Fuzzy Model Predictive Control of a Gas Turbine in the Combined Cycle Unit by Guolian Hou, Linjuan Gong, Xiaoyan Dai, Mengyi Wang, Congzhi Huang

    Published 2018-01-01
    “…The objective function of rolling optimization in this novel FMPC consists of two parts which represent the state optimization and output optimization. In the weight coefficient selection of those two parts, the fuzzy selection mechanism is introduced to overcome the uncertainties existing in the system. …”
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    The Stochastic Evolution Game of Knowledge Sharing in the Infrastructure PPP Supply Chain Network by Huimin Li, Fuqiang Wang, Lunyan Wang, Limin Su, Chengyi Zhang

    Published 2020-01-01
    “…Due to the complexity and randomness of environmental change, the knowledge-sharing behavior of members in the PPP supply chain will be affected by random disturbance factors. …”
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