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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

To evaluate the variability of multi-phase flow properties of porous media at the pore scale, it is necessary to acquire a number of representative samples of the void-solid structure. While modern x-ray computer tomography has made it…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Lukas Mosser , Olivier Dubrule , Martin J. Blunt

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

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

In the context of generating geological facies conditioned on observed data, samples corresponding to all possible conditions are not generally available in the training set and hence the generation of these realizations depends primary on…

机器学习 · 计算机科学 2025-03-25 Alhasan Abdellatif , Ahmed H. Elsheikh , Daniel Busby , Philippe Berthet

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

This paper presents a methodology and workflow that overcome the limitations of the conventional Generative Adversarial Networks (GANs) for geological facies modeling. It attempts to improve the training stability and guarantee the…

机器学习 · 计算机科学 2019-09-25 Lingchen Zhu , Tuanfeng Zhang

Creating accurate and geologically realistic reservoir facies based on limited measurements is crucial for field development and reservoir management, especially in the oil and gas sector. Traditional two-point geostatistics, while…

地球物理 · 物理学 2024-11-08 Daesoo Lee , Oscar Ovanger , Jo Eidsvik , Erlend Aune , Jacob Skauvold , Ragnar Hauge

The GANs are generative models whose random samples realistically reflect natural images. It also can generate samples with specific attributes by concatenating a condition vector into the input, yet research on this field is not well…

机器学习 · 计算机科学 2016-11-07 Hanock Kwak , Byoung-Tak Zhang

The characterization of subsurface models relies on the accuracy of subsurface models which request integrating a large number of information across different sources through model conditioning, such as data conditioning and geological…

应用统计 · 统计学 2024-04-09 Lei Liu , Eduardo Maldonado-Cruz , Honggeun Jo , Maša Prodanović , Michael J. Pyrcz

One of the main challenges in the parametrization of geological models is the ability to capture complex geological structures often observed in the subsurface. In recent years, generative adversarial networks (GAN) were proposed as an…

机器学习 · 统计学 2019-04-10 Shing Chan , Ahmed H. Elsheikh

Many engineering problems require the prediction of realization-to-realization variability or a refined description of modeled quantities. In that case, it is necessary to sample elements from unknown high-dimensional spaces with possibly…

机器学习 · 统计学 2022-01-05 Malik Hassanaly , Andrew Glaws , Karen Stengel , Ryan N. King

Addressing the challenges of climate change requires accurate and high-resolution mapping of geospatial data, especially climate and weather variables. However, many existing geospatial datasets, such as the gridded outputs of the…

机器学习 · 计算机科学 2024-08-08 Guiye Li , Guofeng Cao

Generative Adversarial Network (GAN) and its variants exhibit state-of-the-art performance in the class of generative models. To capture higher-dimensional distributions, the common learning procedure requires high computational complexity…

机器学习 · 计算机科学 2018-04-02 Xingwei Cao , Xuyang Zhao , Qibin Zhao

Generative Adversarial Networks (GANs) are shown to be successful at generating new and realistic samples including 3D object models. Conditional GAN, a variant of GANs, allows generating samples in given conditions. However, objects…

计算机视觉与模式识别 · 计算机科学 2019-03-18 Cihan Öngün , Alptekin Temizel

Generative adversarial networks (GANs) provide an algorithmic framework for constructing generative models with several appealing properties: they do not require a likelihood function to be specified, only a generating procedure; they…

机器学习 · 统计学 2017-02-28 Shakir Mohamed , Balaji Lakshminarayanan

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

We introduce a generative adversarial network (GAN) model to simulate the 3-dimensional Lagrangian motion of particles trapped in the recirculation zone of a buoyancy-opposed flame. The GAN model comprises a stochastic recurrent neural…

机器学习 · 统计学 2019-01-15 Jingwei Gan , Pai Liu , Rajan K. Chakrabarty

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

One of the most challenges in medical imaging is the lack of data. It is proven that classical data augmentation methods are useful but still limited due to the huge variation in images. Using generative adversarial networks (GAN) is a…

图像与视频处理 · 电气工程与系统科学 2021-04-16 Amine Amyar , Su Ruan , Pierre Vera , Pierre Decazes , Romain Modzelewski
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