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Showing 21-40 of 8,644 results
  1. 3D reflection seismic imaging of natural gas/fluid escape features in the deep-water Orange Basin of South Africa

    Many features indicative of natural gas and oil leakage are delineated in the deep-water Orange Basin offshore South Africa using 3D reflection...

    N. G. Maduna, M. S. D. Manzi, ... Z. **nah in Marine Geophysical Research
    Article Open access 25 May 2023
  2. Underwater computational imaging: a survey

    With the increasingly urgent demand for marine research and development, optical imaging technology remains crucial for underwater close-range...

    Zhaorui Gu, **uhan Liu, ... Haiyong Zheng in Intelligent Marine Technology and Systems
    Article Open access 28 September 2023
  3. Application of broadcast RTK for automated static correction in 3D sub-bottom profiling

    Various types of 3D sub-bottom profilers (SBPs) have been developed to widen the swath coverage of conventional single-channel SBPs. Nevertheless,...

    Jungkyun Shin, Jiho Ha, Kyoungmin Lim in Acta Geophysica
    Article 16 May 2024
  4. Dynamic 3D network design for UAV-based photogrammetry in mountainous terrain

    Topographic map** in mountainous areas encounters many challenges due to the potential impasse and lack of access to all locations. Unmanned Aerial...

    Ali Mahdinezhad Gargari, Hamid Ebadi, ... Sahar Latifzadeh in Environmental Earth Sciences
    Article 31 March 2023
  5. Effects of 3D Printing on Clay Permeability and Strength

    Abstract

    Advances in additive manufacturing create unique opportunities for the investigation of permeability of fine-grained soils. The permeability...

    Morghan M. Carr, Yanbo Wang, ... Pania Newell in Transport in Porous Media
    Article 23 May 2023
  6. 3D Anisotropic P- and S-Mode Wavefields Separation in 3D Elastic Reverse-Time Migration

    In 2D anisotropic media, non-stationary filters and low-rank approximation methods are classical strategies to compute the decomposition operators,...

    Jiahui Zuo, Fenglin Niu, ... Yang Zhao in Surveys in Geophysics
    Article 15 January 2022
  7. Evaluation of 3D crustal seismic velocity models in southwest China: Model performance, limitation, and prospects

    Southwest China is a tectonically and seismically active region, witnessing strong deformation due to the collision between the Indian and Eurasian...

    **n Wang, Ling Chen, Qi-Fu Chen in Science China Earth Sciences
    Article 22 January 2024
  8. Deep structure and geothermal resource effects of the Gonghe basin revealed by 3D magnetotelluric

    In order to better understand the crustal shortening and orogenic uplift in the northeastern margin of the Tibetan Plateau, as well as the geothermal...

    Yi Yang, Jie Zhang, ... Xufeng Li in Geothermal Energy
    Article Open access 15 February 2024
  9. Image-Based Multi-scale Reconstruction of Unresolved Microporosity in 3D Heterogeneous Rock Digital Twins Using Cross-Correlation Simulation and Watershed Algorithm

    Multi-scale modelling techniques are commonly used to characterize heterogeneous rock samples. However, open challenges limit the efficiency of these...

    Abolfazl Moslemipour, Saeid Sadeghnejad, ... Michael Kersten in Transport in Porous Media
    Article 13 July 2024
  10. Time-Lapse 3D Imaging by Positron Emission Tomography of Copper Mobilized in Soil by the Herbicide MCPA

    The MCPA herbicide mobilizes trace metals in soil by outcompeting adsorption by soil minerals [1]. Trace metal tracers are too immobile for the...
    Michael Kersten, Johannes Kulenkampff in Album of Porous Media
    Chapter 2023
  11. A Fast Fourier Finite Element Approach for 3D CSEM Modeling Using Different Fourier Transform Methods

    A novel Fourier finite element algorithm for 3D controlled-source electromagnetic (CSEM) problems using different 2D Fourier transform methods is...

    DongDong Zhao, QianJiang Zhang, ... ZhenCheng Chen in Pure and Applied Geophysics
    Article 20 December 2023
  12. Quantitative 3D orientation analysis of particles and voids to differentiate hand-built pottery forming techniques using X-ray microtomography and neutron tomography

    This article describes the quantitative analysis of the 3D orientation of objects (i.e. particles and voids) within pottery fabrics to differentiate...

    John Gait, Katalin Bajnok, ... Zoltán Kis in Archaeological and Anthropological Sciences
    Article Open access 17 November 2022
  13. Study on Joint Method of 3D Acoustic Emission Source Localization Simplex and Grid Search Scanning

    Acoustic emission (AE) source localization is a fundamental element of rock fracture damage imaging. To improve the efficiency and accuracy of AE...

    Wei-jian Liu, Hao-nan Wang, ... Gao-ming Lu in Applied Geophysics
    Article 24 November 2023
  14. 3D Quantitative Mineral Characterization of Particles Using X-ray Computed Tomography

    A new method to measure and quantify the 3D mineralogical composition of particulate materials using X-ray computed micro-tomography (CT) is...

    Jose Ricardo Assunção Godinho, Ahmad Hassanzadeh, Thomas Heinig in Natural Resources Research
    Article Open access 17 February 2023
  15. 3D prestack reverse time migration of ground penetrating radar data based on the normalized correlation imaging condition

    The reverse time migration (RTM) of ground penetrating radar (GPR) is usually implemented in its two-dimensional (2D) form, due to huge computational...

    Hong-Hua Wang, Jun-bo Gong, ... Qian-wei Dai in Applied Geophysics
    Article 01 December 2020
  16. A Comprehensive Experimental Study on Mechanical Anisotropy and Failure Mode of 3D Printed Gypsum Rocks: From Composition and Microstructure to Macroscopic Mechanical Properties Response

    3D printing (3DP) technology is a groundbreaking technology that can offer valuable insight into rock characterization and theoretical model...

    Yulong Shao, **gwei Yang, ... Jianyong Han in Rock Mechanics and Rock Engineering
    Article 11 June 2023
  17. AutoBATS and 3D MUSIC: New Approaches to Imaging Earthquake Rupture Behaviors

    This book presents the kinematic earthquake rupture studies from moment tenor to spatial-temporal rupture imaging. For real-time seismic hazard...

    Pei-Ru Jian in Springer Theses
    Book 2021
  18. 3D Percolation Modeling for Connectivity and Permeability of Sandstone with Different Pore Distribution Characteristics

    In order to further expand the understanding of the pore-throat structure of sandstone, a new method is proposed in this paper to reconstruct...

    Xudong Huang, **g Zhao, ... Zhiqin Kang in Natural Resources Research
    Article 09 November 2023
  19. Field application of 3D CHIRP for geological surveys of shallow coastal regions

    Three-dimensional (3D) sub-bottom profilers (SBPs), which extend the data acquisition range of traditional single-channel SBPs, have been developed...

    Jungkyun Shin, Jiho Ha, ... In-Kwon Um in Marine Geophysical Research
    Article 15 April 2022
  20. Applicability of 2D algorithms for 3D characterization in digital rocks physics: an example of a machine learning-based super resolution image generation

    Digital rock physics is based on imaging, segmentation and numerical computations of rock samples. Due to challenges regarding the handling of a...

    Sadegh Karimpouli, Rail Kadyrov, ... Erik Hans Saenger in Acta Geophysica
    Article Open access 29 July 2023
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