Nicolas Brodu
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View article: Long‐Term Exposure of Bivalves to Ocean Acidification and Warming Under Ecologically‐Realistic Conditions Reveals Risks for Aquaculture by 2050 in the Mediterranean
Long‐Term Exposure of Bivalves to Ocean Acidification and Warming Under Ecologically‐Realistic Conditions Reveals Risks for Aquaculture by 2050 in the Mediterranean Open
Bivalve mollusks are vital to coastal economies and food security, yet the impact of ocean warming and acidification on aquaculture remains unclear due to a lack of ground truth data on future production. Most experimental studies rely on …
View article: Inferring Kernel $ε$-Machines: Discovering Structure in Complex Systems
Inferring Kernel $ε$-Machines: Discovering Structure in Complex Systems Open
Previously, we showed that computational mechanic's causal states -- predictively-equivalent trajectory classes for a stochastic dynamical system -- can be cast into a reproducing kernel Hilbert space. The result is a widely-applicable met…
View article: Toward an ecologically realistic experimental system to investigate the multigenerational effects of ocean warming and acidification on benthic invertebrates
Toward an ecologically realistic experimental system to investigate the multigenerational effects of ocean warming and acidification on benthic invertebrates Open
Human activities over the past 150 yr have led to significant carbon dioxide (CO 2 ) emissions, causing global warming and ocean acidification. Surface ocean temperature has risen by 0.93°C since 1850, with projections of an additional +1.…
View article: Life-history traits in the Pacific oyster<i>Crassostrea gigas</i>are robust to ocean acidification under two thermal regimes
Life-history traits in the Pacific oyster<i>Crassostrea gigas</i>are robust to ocean acidification under two thermal regimes Open
Ocean acidification and warming (OAW) are pressing contemporary issues affecting marine life and specifically calcifying organisms. Here, we investigated the direct effects of OAW on life-history traits of the Pacific oyster Crassostrea gi…
View article: Discovering causal structure with reproducing-kernel Hilbert space <b> <i>ε</i> </b>-machines
Discovering causal structure with reproducing-kernel Hilbert space <b> <i>ε</i> </b>-machines Open
We merge computational mechanics’ definition of causal states (predictively equivalent histories) with reproducing-kernel Hilbert space (RKHS) representation inference. The result is a widely applicable method that infers causal structure …
View article: Discovering Causal Structure with Reproducing-Kernel Hilbert Space $ε$-Machines
Discovering Causal Structure with Reproducing-Kernel Hilbert Space $ε$-Machines Open
We merge computational mechanics' definition of causal states (predictively-equivalent histories) with reproducing-kernel Hilbert space (RKHS) representation inference. The result is a widely-applicable method that infers causal structure …
View article: Transparent experiments: releasing data from mechanical tests on three dimensional hydrogel sphere packings
Transparent experiments: releasing data from mechanical tests on three dimensional hydrogel sphere packings Open
We describe here experiments on the mechanics of hydrogel particle packings from the Behringer lab, performed between 2012 and 2015. These experiments quantify the evolution of all contact forces inside soft particle packings exposed to co…
View article: Low-rankness transfer for denoising Sentinel-1 SAR images
Low-rankness transfer for denoising Sentinel-1 SAR images Open
International audience
View article: A mixed spectral and spatial Convolutional Neural Network for Land Cover Classification using SAR and Optical data
A mixed spectral and spatial Convolutional Neural Network for Land Cover Classification using SAR and Optical data Open
International audience
View article: Super-Resolving Multiresolution Images With Band-Independent Geometry of Multispectral Pixels
Super-Resolving Multiresolution Images With Band-Independent Geometry of Multispectral Pixels Open
A new resolution enhancement method is presented for multispectral and\nmulti-resolution images, such as these provided by the Sentinel-2 satellites.\nStarting from the highest resolution bands, band-dependent information\n(reflectance) is…
View article: Refractive index matched scanning and detection of soft particles
Refractive index matched scanning and detection of soft particles Open
We describe here how to apply the three-dimensional imaging technique of refractive index matched scanning to hydrogel spheres. Hydrogels are water based materials with a low refractive index, which allows for index matching with water-bas…
View article: High speed confined granular flows down inclined: numerical simulations
High speed confined granular flows down inclined: numerical simulations Open
New regimes in high-speed confined granular flows down inclined have recently been obtained in numerical simulations [1]. Increasing the angle of inclination reveals the destabilization of the well known unidirectional flows. Longitudinal …
View article: Monitoring of the Spatio-Temporal Dynamics of the Floods in the Guayas Watershed (Ecuadorian Pacific Coast) Using Global Monitoring ENVISAT ASAR Images and Rainfall Data
Monitoring of the Spatio-Temporal Dynamics of the Floods in the Guayas Watershed (Ecuadorian Pacific Coast) Using Global Monitoring ENVISAT ASAR Images and Rainfall Data Open
The floods are an annual phenomenon on the Pacific Coast of Ecuador and can become devastating during El Niño years, especially in the Guayas watershed (32,300 km2), the largest drainage basin of the South American western side of the Ande…
View article: Super-resolving multiresolution images with band-independant geometry of multispectral pixels
Super-resolving multiresolution images with band-independant geometry of multispectral pixels Open
A new resolution enhancement method is presented for multispectral and multi-resolution images, such as these provided by the Sentinel-2 satellites. Starting from the highest resolution bands, band-dependent information (reflectance) is se…
View article: Objective discrimination between Progressive Supranuclear Palsy and Multiple System Atrophy using speech analysis
Objective discrimination between Progressive Supranuclear Palsy and Multiple System Atrophy using speech analysis Open
International audience
View article: A novel approach for optimal weight factor of DT-CWT coefficients for land cover classification using MODIS data
A novel approach for optimal weight factor of DT-CWT coefficients for land cover classification using MODIS data Open
International audience
View article: General methodology for the derivation of high resolution oceanic data through information fusion at different scales
General methodology for the derivation of high resolution oceanic data through information fusion at different scales Open
Derivation of high-resolution (HR) spatial distribution of data is a fundamental problem in Earth observation, either in the case of physical variables or when the data is obtained as the output of a classification process. We show that th…
View article: New patterns in high-speed granular flows
New patterns in high-speed granular flows Open
We report on new patterns in high-speed flows of granular materials obtained by means of extensive numerical simulations. These patterns emerge from the destabilization of unidirectional flows upon increase of mass holdup and inclination a…
View article: Stochastic Texture Difference for Scale-Dependent Data Analysis
Stochastic Texture Difference for Scale-Dependent Data Analysis Open
This article introduces the Stochastic Texture Difference method for analyzing data at prescribed spatial and value scales. This method relies on constrained random walks around each pixel, describing how nearby image values typically evol…
View article: Multiple-contact discrete-element model for simulating dense granular media
Multiple-contact discrete-element model for simulating dense granular media Open
This article presents a new force model for performing quantitative simulations of dense granular materials. Interactions between multiple contacts (MC) on the same grain are explicitly taken into account. Our readily applicable MC-DEM met…