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Porous media are ubiquitous in both nature and engineering applications, thus their modelling and understanding is of vital importance. In contrast to direct acquisition of three-dimensional (3D) images of such medium, obtaining its…

图像与视频处理 · 电气工程与系统科学 2019-09-25 Junxi Feng , Xiaohai He , Qizhi Teng , Chao Ren , Honggang Chen , Yang Li

Micro-CT scanning of rocks significantly enhances our understanding of pore-scale physics in porous media. With advancements in pore-scale simulation methods, such as pore network models, it is now possible to accurately simulate multiphase…

图像与视频处理 · 电气工程与系统科学 2024-09-19 Zihan Ren , Sanjay Srinivasan

Digital reconstruction of porous materials has become increasingly critical for applications ranging from geological reservoir characterization to tissue engineering and electrochemical device design. While traditional methods such as…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Ali Sadeghkhani , Brandon Bennett , Masoud Babaei , Arash Rabbani

Stochastic image reconstruction is a key part of modern digital rock physics and materials analysis that aims to create numerous representative samples of material micro-structures for upscaling, numerical computation of effective…

计算机视觉与模式识别 · 计算机科学 2017-12-11 Lukas Mosser , Olivier Dubrule , Martin J. Blunt

Geostatistical modeling of petrophysical properties is a key step in modern integrated oil and gas reservoir studies. Recently, generative adversarial networks (GAN) have been shown to be a successful method for generating unconditional…

机器学习 · 统计学 2018-02-16 Lukas Mosser , Olivier Dubrule , Martin J. Blunt

The reconstruction of 3D microstructures from 2D slices is considered to hold significant value in predicting the spatial structure and physical properties of materials.The dimensional extension from 2D to 3D is viewed as a highly…

机器学习 · 计算机科学 2024-02-27 Yilin Zheng , Zhigong Song

Modelling the impact of a material's mesostructure on device level performance typically requires access to 3D image data containing all the relevant information to define the geometry of the simulation domain. This image data must include…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Amir Dahari , Steve Kench , Isaac Squires , Samuel J. Cooper

Porous media is widely distributed in nature, found in environments such as soil, rock formations, and plant tissues, and is crucial in applications like subsurface oil and gas extraction, medical drug delivery, and filtration systems.…

地球物理 · 物理学 2025-01-03 Qingqi Zhao , Xiaoxue Han , Ruichang Guo , Cheng Chen

The generation of multiphase porous electrode microstructures is a critical step in the optimisation of electrochemical energy storage devices. This work implements a deep convolutional generative adversarial network (DC-GAN) for generating…

神经与进化计算 · 计算机科学 2020-05-06 Andrea Gayon-Lombardo , Lukas Mosser , Nigel P. Brandon , Samuel J. Cooper

The permeability of complex porous materials can be obtained via direct flow simulation, which provides the most accurate results, but is very computationally expensive. In particular, the simulation convergence time scales poorly as…

Different types of neural networks have been used to solve the flow sensing problem in turbulent flows, namely to estimate velocity in wall-parallel planes from wall measurements. Generative adversarial networks (GANs) are among the most…

Using a large-scale, experimentally captured 3D microstructure dataset, we implement the generative adversarial network (GAN) framework to learn and generate 3D microstructures of solid oxide fuel cell electrodes. The generated…

图像与视频处理 · 电气工程与系统科学 2020-06-25 Tim Hsu , William K. Epting , Hokon Kim , Harry W. Abernathy , Gregory A. Hackett , Anthony D. Rollett , Paul A. Salvador , Elizabeth A. Holm

Obtaining truly representative pore-scale images that match bulk formation properties remains a fundamental challenge in subsurface characterization, as natural spatial heterogeneity causes extracted sub-images to deviate significantly from…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Ali Sadeghkhani , Brandon Bennett , Masoud Babaei , Arash Rabbani

3D-aware generative adversarial networks (GANs) synthesize high-fidelity and multi-view-consistent facial images using only collections of single-view 2D imagery. Towards fine-grained control over facial attributes, recent efforts…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Jingxiang Sun , Xuan Wang , Lizhen Wang , Xiaoyu Li , Yong Zhang , Hongwen Zhang , Yebin Liu

In many branches of earth sciences, the problem of rock study on the micro-level arises. However, a significant number of representative samples is not always feasible. Thus the problem of the generation of samples with similar properties…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Denis Volkhonskiy , Ekaterina Muravleva , Oleg Sudakov , Denis Orlov , Boris Belozerov , Evgeny Burnaev , Dmitry Koroteev

Deep generative models learned through adversarial training have become increasingly popular for their ability to generate naturalistic image textures. However, aside from their texture, the visual appearance of objects is significantly…

计算机视觉与模式识别 · 计算机科学 2018-03-29 Jean Kossaifi , Linh Tran , Yannis Panagakis , Maja Pantic

Uncertainty is ubiquitous with flow in subsurface rocks because of their inherent heterogeneity and lack of in-situ measurements. To complete uncertainty analysis in a multi-scale manner, it is a prerequisite to provide sufficient rock…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Qiang Zheng , Dongxiao Zhang

Generative Adversarial Networks (GAN) have demonstrated impressive results in modeling the distribution of natural images, learning latent representations that capture semantic variations in an unsupervised basis. Beyond the generation of…

计算机视觉与模式识别 · 计算机科学 2019-11-14 Marcos Pividori , Guillermo L. Grinblat , Lucas C. Uzal

Medical image processing has been highlighted as an area where deep learning-based models have the greatest potential. However, in the medical field in particular, problems of data availability and privacy are hampering research progress…

图像与视频处理 · 电气工程与系统科学 2023-10-27 Christoph Angermann , Johannes Bereiter-Payr , Kerstin Stock , Markus Haltmeier , Gerald Degenhart

We present a high-fidelity 3D generative adversarial network (GAN) inversion framework that can synthesize photo-realistic novel views while preserving specific details of the input image. High-fidelity 3D GAN inversion is inherently…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Jiaxin Xie , Hao Ouyang , Jingtan Piao , Chenyang Lei , Qifeng Chen
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