Showing 1,001 - 1,020 results of 1,758 for search '"geometry"', query time: 0.06s Refine Results
  1. 1001

    Pre-trained convolutional neural network with transfer learning by artificial illustrated images classify power Doppler ultrasound images of rheumatoid arthritis joints by Jun Fukae, Yoshiharu Amasaki, Yuichiro Fujieda, Yuki Sone, Ken Katagishi, Tatsunori Horie, Tamotsu Kamishima, Tatsuya Atsumi

    Published 2025-02-01
    “…One CNN, the Visual Geometry Group (VGG)-16, was trained with transfer learning using the 870 artificial images for initial training and the original plus five additional images for second training. …”
    Get full text
    Article
  2. 1002

    Reliability Assessment and Residual Life Estimation of Concrete Girder Bridges Strengthened by Carbon Fiber during the Service Stage by Haoyun Yuan, Wei Hou, Leping Ren, Xiaojin Zhao

    Published 2020-01-01
    “…In the proposed method, uncertainties of material properties, geometry parameters, load model, and time-dependent resistance model are taken into account. …”
    Get full text
    Article
  3. 1003

    Transparent UWB Antenna with IZTO/Ag/IZTO Multilayer Electrode Film by Seungman Hong, Youngsung Kim, Chang Won Jung

    Published 2016-01-01
    “…Ultra-wide band (UWB) antennas with transparent indium zinc tin oxide (IZTO)/Ag/IZTO multilayer electrode films are presented. The geometry of the radiator of the proposed UWB antenna is a simple semicircular shape, and acryl is used for the transparent substrate. …”
    Get full text
    Article
  4. 1004

    Forearm multimodal recognition based on IAHP‐entropy weight combination by Chaoying Tang, Mengen Qian, Ru Jia, Haodong Liu, Biao Wang

    Published 2023-01-01
    “…In this paper, we proposed a multimodal recognition method that combines the veins and geometry of a forearm. Five features are extracted from a forearm Near‐Infrared (Near‐Infrared) image: SURF, local line structures, global graph representations, forearm width feature and forearm boundary feature. …”
    Get full text
    Article
  5. 1005

    Synthesis and Crystal Structure of the Bioinorganic Complex [Sb(Hedta)]·2H2O by Di Li, Guo-Qing Zhong

    Published 2014-01-01
    “…The Sb(III) ion is five-coordinated by two amido N atoms and three carboxyl O atoms from a single Hedta3− ligand, forming a distorted trigonal bipyramid geometry. The thermal decomposition processes of the complex include dehydration, oxidation, and pyrolysis of the ligand, and the last residue is Sb2O3 at the temperature of 570°C.…”
    Get full text
    Article
  6. 1006

    A construction of Shatz strata in the polystable $ G_2 $-bundles moduli space using Hecke curves by Álvaro Antón-Sancho

    Published 2024-11-01
    “…Therefore, the presented results provided an advance in the knowledge of the geometry of $ M(G_2) $ through the study of its Shatz strata and presented a methodological innovation, by using Hecke curves for this study.…”
    Get full text
    Article
  7. 1007

    Automatic Detection of 2D and 3D Lung Nodules in Chest Spiral CT Scans by Ayman El-Baz, Ahmed Elnakib, Mohamed Abou El-Ghar, Georgy Gimel'farb, Robert Falk, Aly Farag

    Published 2013-01-01
    “…The second step detects lung nodules using deformable 3D and 2D templates describing typical geometry and gray-level distribution within the nodules of the same type. …”
    Get full text
    Article
  8. 1008

    Deep Learning Approaches for 3D Model Generation from 2D Artworks to Aid Blind People with Tactile Exploration by Rocco Furferi

    Published 2024-12-01
    “…To confront this issue, this paper proposes an overview of artificial intelligence-based methods for reconstructing 3D geometry from a single image is provided. The survey explores the potentiality of Convolutional Neural Networks, Generative Adversarial Networks, Variational Autoencoders, and zero-shot methods. …”
    Get full text
    Article
  9. 1009

    RETRACTED: Geometric Construction of Video Stereo Grid Space by Huangchuang Zhang, Ruoping Shi, Ge Li

    Published 2022-05-01
    “…Finally, targeted experiments of video stereo grid space geometry construction were conducted to analyze the experimental results before and after optimization and compare the variance size to verify the feasibility and effectiveness of the model.…”
    Get full text
    Article
  10. 1010

    A Semiempirical MIMO Channel Model in Obstructed Viaduct Scenarios on High-Speed Railway by Tao Zhou, Cheng Tao, Liu Liu, Zhenhui Tan

    Published 2014-01-01
    “…The proposed MIMO model is based on the combination of realistic single-input single-output (SISO) channel measurement results and a theoretical geometry-based stochastic model (GBSM). Temporal fading characteristics involving K-factor and Doppler power spectral density (PSD) are derived from the wideband measurement under an obstructed viaduct on Zhengzhou-Xi’an HSR in China. …”
    Get full text
    Article
  11. 1011

    Breaking the wire: the impact of critical length on melting pathways in silver nanowires by K M Ridings, E E L Vaka’uta, S M Croot

    Published 2025-01-01
    “…Our findings reveal how geometry and nanoscale effects critically shape melting behaviour, offering insights for the design and stability of nanostructures in advanced applications.…”
    Get full text
    Article
  12. 1012

    Shear Behaviour of RC Beams Strengthened by Various Ultrahigh Performance Fibre-Reinforced Concrete Systems by Walid Mansour, Bassam A. Tayeh

    Published 2020-01-01
    “…The validated numerical model is used to analyse the crucial parameters, which are mainly related to the design of RC beams and shear-strengthened UHPFRC layers, such as the effect of shear span-to-depth ratio on the shear behaviour of the strengthened or nonstrengthened RC beams and the effect of geometry and length of UHPFRC layers. Moreover, the effect of the UHPFRC layers’ reinforcement ratio and strengthening of one longitudinal vertical face on the mechanical performance of RC beams strengthened in shear with UHPFRC layers is investigated. …”
    Get full text
    Article
  13. 1013

    Optimization of Hydraulic Machinery Bladings by Multilevel CFD Techniques by Susanne Thum, Rudolf Schilling

    Published 2005-01-01
    “…First of all, the 3D blade geometry is parametrized by means of a geometric design tool to reduce the number of design parameters. …”
    Get full text
    Article
  14. 1014

    Effective First-Break Picking of Seismic Data Using Geometric Learning Methods by Zhongyang Wen, Jinwen Ma

    Published 2025-01-01
    “…In the case of supervised learning especially for deep learning(DL) models, we add a curve loss term based on the target curve geometry of first-break picking to the typical loss function. …”
    Get full text
    Article
  15. 1015

    An Antenna-Theory Method for Modeling High-Frequency RF Coils: A Segmented Birdcage Example by Xin Chen, Victor Taracila, Timothy Eagan, Hiroyuki Fujita, Xingxian Shou, Tanvir Baig, Robert Brown

    Published 2008-01-01
    “…The planar homogeneity of the optimized RF field is significantly improved compared with that of a single-segmented birdcage model with the same geometry. The accuracy of the antenna formulae is also verified with numerical simulations performed via commercial software. …”
    Get full text
    Article
  16. 1016

    Internal gravity waves versus inertial waves in the laboratory by Joubaud, Sylvain, Boury, Samuel, Odier, Philippe

    Published 2024-11-01
    “…We will focus on linear and non-linear phenomena occurring for three different configurations: wave beams in 2D and in 3D geometry, axisymmetric waves, as well as wave attractors, a specific feature for these waves. …”
    Get full text
    Article
  17. 1017

    Hypergraph Regularized Discriminative Nonnegative Matrix Factorization on Sample Classification and Co-Differentially Expressed Gene Selection by Yong-Jing Hao, Ying-Lian Gao, Mi-Xiao Hou, Ling-Yun Dai, Jin-Xing Liu

    Published 2019-01-01
    “…To solve the above problem, this paper proposed a new method called Hypergraph Regularized Discriminative Nonnegative Matrix Factorization (HDNMF), which captures intrinsic geometry by constructing hypergraphs rather than simple graphs. …”
    Get full text
    Article
  18. 1018

    Deterioration of Li-doped phenanthroline-based charge generation layer for tandem organic light-emitting diodes by Ki Ju Kim, Sunwoo Kang, Taekyung Kim

    Published 2025-01-01
    “…Overall, Li diffusion occurs more favorably in sparse Bphen film with weak binding energy rather than closely packed BPPB film with strong binding energy, which highlights that atomic geometry and morphological characteristics are crucial for the stability of tandem devices.…”
    Get full text
    Article
  19. 1019

    Complex dynamics of a predator-prey fishery model: The impact of the Allee effect and bilateral intervention by Yuan Tian, Yang Liu, Kaibiao Sun

    Published 2024-11-01
    “…The existence and stability of the order-1 periodic solution and the order-2 periodic solution of the control system are analyzed by using the differential equation geometry theory. Additionally, numerical simulations are carried out to verify the correctness of the conclusions, and illustrate the impact of the Allee effect and bilateral intervention on the ecosystem, which provides an effective method for modern fishery conservation and harvesting.…”
    Get full text
    Article
  20. 1020

    Vortices in dipolar Bose–Einstein condensates by Bland, Thomas, Lamporesi, Giacomo, Mark, Manfred J., Ferlaino, Francesca

    Published 2023-09-01
    “…Phys. 18, 1453-1458 (2022)], we thoroughly investigate vortex properties in the three-dimensional dominantly dipolar regime, where beyond-mean-field effects are crucial for stability, and investigate the interplay between trap geometry and magnetic field tilt angle.…”
    Get full text
    Article