Showing 1,321 - 1,340 results of 2,557 for search '(functional OR function) gradient', query time: 0.14s Refine Results
  1. 1321

    On the Reduction of Radiation Damping of Dynamic Foundation on Gibson Elastic Halfspace by Hao Li, Xiaohui Cheng

    Published 2025-01-01
    “…These findings provide a theoretical basis for revising seismic codes (GB 50699-2011) and propose a new damping calculation formula that considers the modulus gradient.…”
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  2. 1322

    Recovery and Resource Allocation Strategies to Maximize Mobile Network Survivability by Using Game Theories and Optimization Techniques by Pei-Yu Chen, Frank Yeong-Sung Lin

    Published 2013-01-01
    “…In this paper, a novel metric called Average Degree of Disconnectivity (Average DOD) is proposed, in which the concept of probability is calculated by the contest success function. The DOD metric is used to evaluate the damage degree of the network, where the larger the value of the Average DOD, the more the damage degree of the network. …”
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  3. 1323

    Neck shape optimization of resonator-type sound absorbers using adjoint lattice Boltzmann method by Kimiya Takeuchi, Kazuya Kusano

    Published 2025-06-01
    “…A visualization of the energy dissipation function indicated that the presence of the convex region in the optimized shape helped increase the local velocity gradient in the neck region, thereby enhancing viscous dissipation and improving absorption performance. …”
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  4. 1324

    Phase- and GVF-Based Level Set Segmentation of Ultrasonic Breast Tumors by Liang Gao, Xiaoyun Liu, Wufan Chen

    Published 2012-01-01
    “…First, we apply the phase asymmetry approach to enhance the edges, and then we define a new edge stopping function, which can increase the robustness to the intensity inhomogeneities. …”
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  5. 1325

    Fast Decomposition Algorithm Based on Two-Dimensional Wavelet Transform for Image Processing of Graphic Design by Feifei Jiang, Wenting Yao

    Published 2021-01-01
    “…Firstly, the second-order decomposition of the image is performed by wavelet function to obtain the low-frequency components of the image, and the wavelet gradient vector is used to extract feature points from the overlapping regions of the low-frequency image so that the transformation parameters of feature points can be obtained quickly under the low-frequency image to guide the feature point extraction under the high-frequency image; on this basis, an improved algorithm of image processing based on the fast decomposition algorithm of two-dimensional wavelet transform with planar design is proposed. …”
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    Article
  6. 1326

    Accurate and Fast Convergent Initial-Value Belief Propagation for Stereo Matching. by Xiaofeng Wang, Yiguang Liu

    Published 2015-01-01
    “…In this study, a self-adapting dissimilarity data term (SDDT) is presented to improve the accuracy of the data term, which incorporates an additional gradient-based measure into the traditional data term, with the weight determined by the robust measure-based control function. …”
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  7. 1327

    Analysis of the Best Driving Decision of Electric Vehicles Based onDynamic Programming by CHEN Yaoqi, ZHOU Wei, ZHANG Weigang

    Published 2019-01-01
    “…The effects of objective function weighting factor, rolling resistance coefficient spatial distribution, road gradient spatial distribution and regional speed limit on the optimal economic driving strategy were analyzed. …”
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  8. 1328

    An Aeromagnetic Compensation Algorithm Based on a Temporal Convolutional Network by Han Wang, Boxin Zuo

    Published 2025-03-01
    “…In the proposed method, a neural network based on separable convolution with a residual connection is employed to improve the compensation accuracy and convergence stability, and a gradient correction loss function based on the Tolles–Lawson model is used to improve the generalization ability. …”
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  9. 1329

    Robust and sparse estimator for EEG source localization by Teja Mannepalli, Aurobinda Routray

    Published 2025-06-01
    “…This approach effectively balances robustness to measurement noise and sparsity in the solution.The proposed method employs a non-linear conjugate gradient descent algorithm to minimize the loss function, where the Lorentzian norm replaces the conventional ℓ2 norm. …”
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  10. 1330

    The role of Th1/Th2 disbalanced immune response in the determination of clinical features of autoimmune diabetes mellitus by Tatiana Vladimirovna Saprina, F E Lazarenko, T S Prokhorenko, N V Ryazantseva, Irina Nikolaevna Vorozhtsova

    Published 2011-06-01
    “…There was a tendency toward higher basal production of IL-4 by mononuclear leukocytes in LADA and DM2 comparedwith CD1 which reflects pathogenetic peculiarities of beta-cell function in LADA differing from those in DM1 and responsible for slower impairment ofbeta-cell function in this condition. …”
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  11. 1331

    Evaluation of respiratory muscle dysfunction in patients with idiopathic pulmonary fibrosis: a prospective observational study with magnetic resonance imaging by Xiaoyan Yang, Hongyi Wang, Anqi Liu, Yifei Ni, Jianping Wang, Yueyin Han, Bingbing Xie, Jing Geng, Yanhong Ren, Rongguo Zhang, Min Liu, Huaping Dai

    Published 2025-03-01
    “…Methods Ninety-six patients with IPF and 50 gender- and age-matched controls were prospectively included and underwent D-MRI with a dynamic fast spoiled gradient-recalled echo sequence. Respiratory muscles function were assessed with thoracic anterior-posterior (AP), left-right (LR), cranial-caudal (CC) metrics. …”
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  12. 1332

    Boundary Concentrated Solutions for an Elliptic Equation with Subcritical Nonlinearity by Sadeem Al-Harbi, Mohamed Ben Ayed

    Published 2025-04-01
    “…The proof of our results relies on expanding the gradient of the associated functional and testing the equation with the appropriate vector fields, which yields constraints for the concentration points and blow-up rates. …”
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  13. 1333

    Seasonal Dynamics of Sediment Microbial Communities at Different Distances from Artificial Reef Units by Meiling Zhu, Yanli Tang

    Published 2025-05-01
    “…Artificial reefs (ARs) are important for habitat restoration and exhibit clear spatial gradient effects. However, most studies focus on AR groups, neglecting the ecological functions and mechanisms of individual AR units at a local scale. …”
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  14. 1334

    Assessment of the sensitivity of diagnostic methods in detecting hemodynamically significant renal artery stenoses by A. M. Erkenova, N. M. Danilov, Yu. G. Matchin, V. V. Kushnir, S. A. Gaman, I. E. Chazova

    Published 2024-05-01
    “…If the artery narrowing was 90% or more (n=27) in diameter, the stenosis was considered hemodynamically significant and further stenting of the affected artery was performed, and in case of 60-90% stenosis (n=52) additional assessment of functional significance of the stenosis was performed by measuring translesional pressure gradient, fractional blood flow reserve, instantaneous blood flow reserve (iFR) and Pd/ Pa ratio. …”
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  15. 1335

    Characteristics of neutrophilic granulocytes of peripheral blood in patients with mechanical jaundice caused by cholangiocarcinoma by O. V. Smirnova, B. G. Gubanov, E. V. Kasparov, M. A. Darenskaya, L. I. Kolesnikova, S. I. Kolesnikov

    Published 2022-03-01
    “…The aim of this study was to study functional activity of peripheral blood neutrophilic granulocytes and their phenotype in obstructive jaundice caused by cholangiocarcinoma. …”
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  16. 1336

    Printable Carbon‐Based Thermogalvanic Cells by Pedro Santos Candiotto de Oliveira, Ujwala Ail, Zia Ullah Khan, Reverant Crispin, Dan Zhao

    Published 2025-08-01
    “…To date, the challenge toward commercializing TGCs lies in developing functional electrode materials that can be produced on a large scale. …”
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  17. 1337

    DFT Study of Cs/Sr/Ag Adsorption on Defective Matrix Graphite by Zengtong Jiao, Xiaotong Chen, Chao Fang, Gang Xu, Chi Zhang, Luhao Fan, Bing Liu

    Published 2020-01-01
    “…The geometries, adsorption energies, and electronic structures of Cs, Sr, and Ag atoms on matrix graphite surface with point defects were calculated and analyzed using the density functional theory (DFT) and the Perdew–Burke–Ernzerhof (PBE) formulation of the generalized gradient approximation (GGA). …”
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  18. 1338

    Calculation of the Roadside Clear Zone Width along Highways Based on the Safe Slope by Rui Cheng, Guozhu Cheng, Yulong Pei, Liang Xu

    Published 2021-01-01
    “…Aiming at straight and curved sections, discriminant functions of vehicle rollover and nonrollover are fitted through Bayesian discriminant analysis, and safe slope calculation models for trucks and cars are then constructed. …”
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  19. 1339

    Interpretable machine learning for atomic scale magnetic anisotropy in quantum materials by Jan Navrátil, Rafał Topolnicki, Michal Otyepka, Piotr Błoński

    Published 2025-05-01
    “…However, identifying optimal TM-substrate configurations is challenging when relying solely on density functional theory (DFT) calculations with spin-orbit coupling. …”
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  20. 1340

    Recent Advances in Dielectrophoretic Manipulation and Separation of Microparticles and Biological Cells by Junzhu Yao, Kai Zhao, Jia Lou, Kaihuan Zhang

    Published 2024-08-01
    “…Dielectrophoresis (DEP) is an advanced microfluidic manipulation technique that is based on the interaction of polarized particles with the spatial gradient of a non-uniform electric field to achieve non-contact and highly selective manipulation of particles. …”
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