Urban dynamic estimation using mobile phone logs and locally varying anisotropy

OF Peredo, JA García, R Stuven, JM Ortiz - Geostatistics Valencia 2016, 2017 - Springer
In telecommunications, the billing data of each telephone, denoted call detail records
(CDRs), are a large and rich database with information that can be geo-located. By …

Impact of rock heterogeneity on reactive flow during acid stimulation process

C Jia, S Alkaabi, J Hu, K Sepehrnoori, J Yao… - International Journal of …, 2024 - Elsevier
Acid stimulation within carbonate rocks represents a crucial aspect of reactive flow
applications in subsurface porous media and has been widely used in carbonate reservoir …

Direct multivariate simulation-a stepwise conditional transformation for multivariate geostatistical simulation

LP de Figueiredo, T Schmitz, R Lunelli… - Computers & …, 2021 - Elsevier
Several applications in geoscience require the generation of multiple realizations of random
fields of physical properties to mimic their spatial distribution and quantify the model …

[HTML][HTML] Acceleration strategies for large-scale sequential simulations using parallel neighbour search: Non-LVA and LVA scenarios

OF Peredo, JR Herrero - Computers & Geosciences, 2022 - Elsevier
This paper describes the application of acceleration techniques into existing
implementations of Sequential Gaussian Simulation and Sequential Indicator Simulation …

Parallel computing solutions for Markov chain spatial sequential simulation of categorical fields

W Zhang, W Li, C Zhang, T Zhao - International Journal of Digital …, 2019 - Taylor & Francis
The Markov chain random field (MCRF) model is a spatial statistical approach for modeling
categorical spatial variables in multiple dimensions. However, this approach tends to be …

Fast gap-filling of massive data by local-equilibrium conditional simulations on GPU

M Lach, M Žukovič - Mathematical Geosciences, 2024 - Springer
The ever-growing size of modern space–time data sets, such as those collected by remote
sensing, requires new techniques for their efficient and automated processing, including gap …

A path-level exact parallelization strategy for sequential simulation

OF Peredo, D Baeza, JM Ortiz, JR Herrero - Computers & Geosciences, 2018 - Elsevier
Sequential Simulation is a well known method in geostatistical modelling. Following the
Bayesian approach for simulation of conditionally dependent random events, Sequential …

Large scale geostatistics with locally varying anisotropy

OF Peredo Andrade - 2022 - upcommons.upc.edu
Classical geostatistical methods are based on the hypothesis of stationarity, which allows to
apply repetitive sampling in different locations of the spatial domain, in order to obtain …

[PDF][PDF] Cover Letter

LP de Figueiredo, T Schmitz, R Lunelli, M Roisenberg… - academia.edu
Geostatistical simulation is an effective technique to generate random realizations of
geological models that repli-66 cate the spatial features observed in the experimental data …

Multiple Random Walk Simulation: A Fast Method to Map Grade Uncertainty with Large Datasets

RM Caixeta, DT Ribeiro, JFCL Costa… - Natural Resources …, 2017 - Springer
Abstract Multiple Random Walk Simulation consists of a methodology adapted to run fast
simulations if close-spaced data are abundant (eg, short-term mining models). Combining …