Journal ArticleDOI
Digital rock physics benchmarks-Part I: Imaging and segmentation
Heiko Andrä,Nicolas Combaret,Jack Dvorkin,Erik Glatt,Junehee Han,Matthias Kabel,Youngseuk Keehm,Fabian Krzikalla,Minhui Lee,Claudio Madonna,Mike Marsh,Tapan Mukerji,Erik H. Saenger,Ratnanabha Sain,Nishank Saxena,Sarah Ricker,Andreas Wiegmann,Xin Zhan +17 more
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TLDR
The goal is to explore and record the variability of the computed effective properties as a function of using different tools and workflows, and benchmarking is the topic of the two present companion papers.About:
This article is published in Computers & Geosciences.The article was published on 2013-01-01. It has received 514 citations till now. The article focuses on the topics: Image segmentation & Image processing.read more
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Multiphase Flow in Permeable Media: A Pore-Scale Perspective
TL;DR: Multiphase Flow In Permeable Media Co Uk Martin J. Blunt and Je Santos Multiphaseporousmediapalabos Library.
Journal ArticleDOI
Segmentation of digital rock images using deep convolutional autoencoder networks
TL;DR: In this article, a convolutional autoencoder algorithm is implemented to enhance segmentation of digital rock images, which is a critical step in Digital Rock Physics (DRP) as the original images are available in a gray-scale format.
Journal ArticleDOI
Computational homogenization of elasticity on a staggered grid
TL;DR: This article proposes to discretize the problem of linear elastic homogenization by finite differences on a staggered grid and introduces fast and robust solvers and reduces the memory consumption of the Moulinec–Suquet algorithms by 50%.
Journal ArticleDOI
Driving digital rock towards machine learning: Predicting permeability with gradient boosting and deep neural networks
TL;DR: 3D CNN outperforms the competitors in terms of the percent error and prediction time, and introduces Deep Learning-based descriptors; outperform previously used alternatives.
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The Impact of Sub-Resolution Porosity of X-ray Microtomography Images on the Permeability
Cyprien Soulaine,Filip Gjetvaj,Charlotte Garing,Sophie Roman,Anna Russian,Philippe Gouze,Hamdi A. Tchelepi +6 more
TL;DR: In this paper, the impact of sub-resolution porosity on the macroscopic (Darcy scale) flow properties of the rock has been analyzed using high-resolution X-ray microtomography.
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Proceedings ArticleDOI
A non-local algorithm for image denoising
TL;DR: A new measure, the method noise, is proposed, to evaluate and compare the performance of digital image denoising methods, and a new algorithm, the nonlocal means (NL-means), based on a nonlocal averaging of all pixels in the image is proposed.
Journal ArticleDOI
Survey over image thresholding techniques and quantitative performance evaluation
Mehmet Sezgin,Bulent Sankur +1 more
TL;DR: 40 selected thresholding methods from various categories are compared in the context of nondestructive testing applications as well as for document images, and the thresholding algorithms that perform uniformly better over nonde- structive testing and document image applications are identified.
Journal ArticleDOI
The velocity of compressional waves in rocks to 10 kilobars: 1.
TL;DR: The velocity of compressional waves has been determined by measurement of travel time of pulses in specimens of rock at pressures to 10 kilobars and room temperature as mentioned in this paper, mainly igneous and metamorphic rocks, furnished three specimens oriented at right angles to one another.