A New Class of Monthly Rainfall-Runoff Models for Ungauged Basins—Application to the Peruvian Coastal Basins . Hydrological Processes 40 (6), e70582, 2026 . Modeling the dynamics of watersheds on the Peruvian coast.
Inferring Kernel ε-Machines: Discovering Structure in Complex Systems . Chaos 35, 033162, 2025 . Application of continuous causal states. See the dedicated page.
Discovering Causal Structure with Reproducing-Kernel Hilbert Space ε-Machines . Chaos 32, 023103, 2022 . Introduction of continuous causal states. See the dedicated page.
Systèmes complexes : inférence, dynamique et applications . Université de Bordeaux Habilitation à Diriger des Recherches, 2022 . Habilitation report.
Permuted Spectral and Permuted Spectral-Spatial CNN Models for PolSAR-Multispectral Data based Land Cover Classification . International Journal of Remote Sensing Vol 42, pp 1096-1120, 2021 . Combining SAR and optical data for improving land cover classification.
Transparent experiments: releasing data from mechanical tests on three dimensional hydrogel sphere packings . Granular Matter 22(1), 21, 2020 . Details of our 3D scanning experiments with hydrogel packings. The full data archive (46.77GB) is available on Dryad.
Low-rankness transfer for denoising Sentinel-1 SAR images . ISIVC Proceedings of the 9th International Symposium on Signal, Image, Video and Communications, pp106-111, 2018 . Denoising SAR images. Source code available here.
Super-resolving multiresolution images with band-independent geometry of multispectral pixels . IEEE Transactions on Geoscience and Remote Sensing 55 (8), pp 4610-4617, 2017 . Improving Sentinel-2 low-resolution bands using common information with other bands. See the dedicated page for more information.
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 . Water 9(1), 12, 2017 . Detection of flooded areas from satellite and in-situ data.
Stochastic Texture Difference for Scale-Dependent Data Analysis . ArXiv 1503.03278 . Article for the stochadiff method. See the dedicated page.
Multiscale analysis with stochastic texture differences . RAECE Recent Advances in Electronics and Computer Engineering, 2015 . Guest speaker presentation.
Visions de la complexité : Le démon de Laplace dans tous ses états. . Nature Science Société Vol 23(1), pp. 42-53, 2015 . Debates on what different scientific domains consider "complex".
Multiple-contact discrete-element model for simulating dense granular media . Physical Review E 91(3): 032201, 2015 . A model for simulating granular material, which takes into account multiple contacts on each grain. Validated with our experiment measures.
Evidence for new regimes in channeled granular flows . Journal of Fluid Mechanics 769: 218-228, 2015 . See the dedicated page.
Structures and structural transitions in near-frictionless limit: uniaxial cyclic compression of hydrogel spheres. . Soft Matter 11: 2157-2173, 2015 . Analysis of the evolution of 3D forces in a uniaxially compressed sample. Based on our experiment measures.
Spanning the Scales of Granular Materials Through Microscopic Force Imaging . Nature Communications 6: 6361, 2015 . Mesuring 3D force vectors at each chaque contact while controlling macroscopic stresses on a granular sample. See the dedicated page.
Plane shear flows of frictionless spheres: Kinetic theory and 3D Soft-Sphere Discrete Element Method simulations . Physics of Fluids 26: 053305, 2014 . Extension of the kinetic theory of granular gases to denser situations, validaded with discrete element simulations.
Structure and behaviors of granular flows: simulations at the grain level and scaling laws . Eusopean Geosciences Union general assembly, 2013 . Guest speaker presentation.
Shallow granular flows down flat frictional channels: steady flows and longitudinal vortices . Physical Review E 87(2): 022202, 2013 . See the dedicated page.
Accurate 3D comparison of complex topography with terrestrial laser scanner: application to the Rangitikei canyon (N-Z) . Journal of Photogrammetry and Remote Sensing 82: 10-26, 2013. . Quantifies the evolution of natural scenes from 3D point clouds. See the dedicated page.
Terrestrial lidar data classification of complex natural scenes using a multi-scale dimensionality criteria : applications in geomorphology . Journal of Photogrammetry and Remote Sensing 68: 121-134, 2012. . Recognition of natural objects (vegetation, rocks...) in 3D point clouds. See the dedicated page.
Exploring Two Novel Features for EEG-based Brain-Computer Interfaces: Multifractal Cumulants and Predictive Complexity . Neurocomputing 79: 87-94, 2012. . Extracting two new features from EEG data, so as to improve classification. Source code.
Reconstruction of Epsilon-Machines in Predictive Frameworks and Decisional States . Advances in Complex Systems 14(5), pp. 761-794, 2011. . How to combine epsilon-machines with a cost/utility function. See the dedicated page.
Comparative Study of Band-Power Extraction Techniques for Motor Imagery Classification . IEEE Computational Intelligence, Cognitive Algorithms, Mind and Brain pp. 1-6, 2011 . Source code.
Frameworks for causation . Causality and Complex Systems 4th workshop, 2009 . Guest speaker presentation.
A brief overview of causal and decisional states and their applications. . Dagstuhl seminar series : Machine learning approaches to statistical dependences and causality 2009 . Guest speaker presentation.
French Roadmap for complex Systems . RNSC 2008-2009 . Collective publication synthetizing our discussions, Réseau National de Systèmes Complexes
Query Sphere Indexing for Neighborhood Requests . Journal of Graphics Tools 13(3):35–51, 2008. . An algorithm for finding all or the k-nearest neighbors of mobile objects. Source code.
A synthesis and a practical approach to complex systems . Complexity 15(1):36–60, 2008. . Also introduces a form of weak emergence related to the incompleteness of formal systems.
Multifractal Feature Vectors for Brain-Computer Interfaces . IEEE WCCI 2008, IJCNN pp. 2883–2890 . Extracting features from EEG series. Source code.
Practical Investigations of Complex Systems . Concordia University PhD, 2007 . See the dedicated page.
Minimal and necessary conditions for the emergence of species-specific recognition patterns. . Lecture Notes in Computer Sciences 4926, pp. 73–86, 2007 . Agents learn to recognize each other in order to reproduce, in an artificial evolution setup. Source code.
Quantifying the effect of learning on recurrent spiking neurons . IEEE IJCNN pp. 512-517, 2007 . Reference implementation of the algorithm and source code for the tests. See the dedicated page for details on the incremental statistical complexity algorithm.
Learning using Dynamical Regime Identification and Synchronization . IEEE WCCI pp. 662-668, 2006 . Initial source code, with a more recent version.
JSynoptic . 3ème workshop de l'ESA sur les outils et techniques pour l’Astrodynamique 2006 . Guest speaker presentation.
Environmental fitness for sustained population dynamics . IEEE Evolutionary Computations Vol 1, pp. 343-350, 2005 . Source code and details on the dedicated page.
Real-time update of multi-fractal analysis on dynamic time series using incremental discrete wavelet transforms . Technical report 2005 . Source code.
Crogai project report: Using AI with steering behaviors to model crowds . Technical report 2004 . See this page.
An overview of multiplayer gaming . Technical report 2004 . Internal report for Concordia University students.
Reduced dimension models for weather forecasting . Aston University Research report, Master of Science, 2000 . See the dedicated page.
