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Academic Journal

Multivariate selfsimilarity: Multiscale eigenstructures for selfsimilarity parameter estimation

Subjects: multivariate selfsimilarity; selfsimilarity parameter vector; wavelet transform

  • Source: ISSN: 1053-587X ; IEEE Transactions on Signal Processing ; https://hal.science/hal-04273362 ; IEEE Transactions on Signal Processing, 2024, pp.1-10. ⟨10.1109/TSP.2024.3380899⟩.

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Synthetic Spatiotemporal Covid19 Infection Counts to Assess Graph-Regularized Estimation of Multivariate Reproduction Numbers

Subjects: Tikhonov graph regularization; Covid19 pandemic; Convex nonsmooth optimization

  • Source: https://hal.science/hal-04501967 ; 2024.

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Restart strategies enabling automatic differentiation for hyperparameter tuning in inverse problems

Subjects: Hyperparameter selection; proximal algorithms; restart strategy

  • Source: https://hal.science/hal-04525520 ; 2024.

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Conference

Compared performance of Covid19 reproduction number estimators based on realistic synthetic data ; Performances comparées d'estimateurs du coefficient de reproduction de la Covid19 à l'aide de données synthétiques réalistes

Subjects: Reproduction number; Synthetic epidemiological data; Variational estimationGrenoble; France

  • Source: GRETSI’23 XXIXème Colloque Francophone De Traitement Du Signal Et Des Images. ; Colloque Francophone de Traitement du Signal et des Images (GRETSI) ; https://hal.science/hal-04032614 ; Colloque

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A Robust Model and its EM Algorithm for the Estimation of the Multifractality Parameter

Subjects: multifractal analysis; wavelet leaders; robust estimationHelsinki; Finland

  • Source: EUSIPCO 2023 ; European Conference on Signal Processing (EUSIPCO 2023) ; https://hal.science/hal-04254232 ; European Conference on Signal Processing (EUSIPCO 2023), Sep 2023, Helsinki, Finland.

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Compared performance of Covid19 reproduction number estimators based on realistic synthetic data ; Performances comparées d'estimateurs du coefficient de reproduction de la Covid19 à l'aide de données synthétiques réalistes

Subjects: Reproduction number; Synthetic epidemiological data; Variational estimationGrenoble; France

  • Source: GRETSI’23 XXIXème Colloque Francophone De Traitement Du Signal Et Des Images. ; Colloque Francophone de Traitement du Signal et des Images (GRETSI) ; https://hal.science/hal-04032614 ; Colloque

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Conference

Credibility Intervals for the Reproduction Number of the Covid-19 Pandemic Using Proximal Langevin Samplers

Subjects: Markov Chain Monte Carlo; log-concave composite density; Langevin Monte Carlo

  • Source: 2023 31th European Signal Processing Conference (EUSIPCO)https://hal.science/hal-039021442023 31th European Signal Processing Conference (EUSIPCO), 2023

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Conference

Epileptic seizure prediction from eigen-wavelet multivariate selfsimilarity analysis of multi-channel EEG signals

Subjects: Multivariate selfsimilarity; multivariate wavelet transform; EEG dataHelsinki; Finland

  • Source: 31st European Signal Processing Conference (EUSICO 2023)https://hal-emse.ccsd.cnrs.fr/emse-0421665331st European Signal Processing Conference (EUSICO 2023), Sep 2023, Helsinki, Finland. à

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Conference

Bootstrap based test for the unimodality of estimated Hurst exponents. Performance assessment in a high-dimensional analysis setting

Subjects: multivariate selfsimilarity; multivariate wavelet transform; bootstrapGrenoble; France

  • Source: XXIXème Colloque Francophone de Traitement du Signal et des Images (GRETSI 2023) ; https://hal-emse.ccsd.cnrs.fr/emse-04216646 ; XXIXème Colloque Francophone de Traitement du Signal et des Images

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Combining dual-tree wavelet analysis and proximal optimization for anisotropic scalefree texture segmentation

Subjects: Anisotropy; scalefree; textureGreeceRhodes (Grèce), Greece

  • Source: Proc. IEEE ICASSP ; IEEE ICASSP ; https://hal.science/hal-03864647 ; IEEE ICASSP, Jun 2023, Rhodes (Grèce), Greece

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Conference

Pandemic Intensity Estimation from Stochastic Approximation-based Algorithms

Subjects: Statistical modelization; Latent variable models; Statistical inferenceCosta RicaHerradura, Costa Rica

  • Source: 2023 IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processinghttps://hal.science/hal-041742452023 IEEE International Workshop on Computational Advances in

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Pandemic Intensity Estimation from Stochastic Approximation-based Algorithms

Subjects: Statistical modelization; Latent variable models; Statistical inferenceCosta RicaHerradura, Costa Rica

  • Source: 2023 IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processinghttps://hal.science/hal-041742452023 IEEE International Workshop on Computational Advances in

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Academic Journal

Covid19 Reproduction Number: Credibility Intervals by Blockwise Proximal Monte Carlo Samplers

Subjects: Markov Chain Monte Carlo sampling; nonsmooth convex optimization; Bayesian inverse problems

  • Source: ISSN: 1053-587X ; IEEE Transactions on Signal Processing ; https://hal.science/hal-03611079 ; IEEE Transactions on Signal Processing, In press, 71, pp.888-900. ⟨10.1109/TSP.2023.3247142⟩.

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Academic Journal

Probabilistic forecasts of extreme heatwaves using convolutional neural networks in a regime of lack of data

Subjects: [SDU]Sciences of the Universe [physics]

  • Source: ISSN: 2469-990X ; Physical Review Fluids ; https://hal.science/hal-04124796 ; Physical Review Fluids, 2023, 8 (4), pp.040501. ⟨10.1103/PhysRevFluids.8.040501⟩.

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Conference

Algorithmes proximaux rapides déroulés pour l'analyse d'images fractales homogènes par morceaux

Subjects: [MATH]Mathematics [math]; [INFO.INFO-TS]Computer Science [cs]/Signal and Image ProcessingNancy; France

  • Source: GRETSI ; https://hal.science/hal-03621545 ; GRETSI, Sep 2022, Nancy, France

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Conference

Local multifractal analysis of marked spatial point processes

Subjects: [PHYS]Physics [physics]; [SHS.GEO]Humanities and Social Sciences/GeographyNancy; France

  • Source: XXVIIIème Colloque Francophone de Traitement du Signal et des Images, GRETSI'22 ; https://hal.science/hal-03871578 ; XXVIIIème Colloque Francophone de Traitement du Signal et des Images, GRETSI'22,

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Conference

Estimation et intervalles de crédibilité pour le taux de reproduction de la Covid19 par échantillonnage Monte Carlo Langevin proximal

Subjects: [STAT]Statistics [stat]; [INFO.INFO-TS]Computer Science [cs]/Signal and Image Processing; [STAT.ME]Statistics [stat]/Methodology [stat.ME]Nancy; France

  • Source: Colloque Francophone de Traitement du Signal et des Images (GRETSI) ; https://hal.science/hal-03611891 ; Colloque Francophone de Traitement du Signal et des Images (GRETSI), Sep 2022, Nancy, France

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Conference

Temporal evolution of the Covid19 pandemic reproduction number: Estimations from proximal optimization to Monte Carlo sampling

Subjects: [STAT.ME]Statistics [stat]/Methodology [stat.ME]; [STAT.AP]Statistics [stat]/Applications [stat.AP]; [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie

  • Source: https://hal.science/hal-03565440 ; IEEE, pp.167--170, 2022, Proceedings of the Annu Int Conf IEEE Eng Med Biol Soc, ⟨10.1109/EMBC48229.2022.9871805⟩.

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Conference

CREDIBILITY INTERVAL DESIGN FOR COVID19 REPRODUCTION NUMBER FROM NONSMOOTH LANGEVIN-TYPE MONTE CARLO SAMPLING

Subjects: Nonsmooth Langevin Monte Carlo sampler; Bayesian credibility interval; reproduction number

  • Source: https://hal.science/hal-03371837 ; pp.2196-2200, 2022, Proceedings of the 30th European Signal Processing Conference (EUSIPCO),, ⟨10.23919/EUSIPCO55093.2022.9909547⟩.

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Conference

Counting the Number of Different Scaling Exponents in Multivariate Scale-Free Dynamics: Clustering by Bootstrap in the Wavelet Domain

Subjects: multivariate selfsimilarity; multivariate scaling exponents; multivariate wavelet transformSingapore (virtual); Singapore

  • Source: ICASSP 2022 - IEEE International Conference on Acoustics, Speech and Signal Processing ; Electronic ISBN: 978-1-6654-0540-9 ; IEEE International Conference on Acoustics, Speech and Signal Processing

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A Comparison of Bayesian Estimators for the Parameters of the Bivariate Multifractal Spectrum

Subjects: multifractal analysis; multivariate data; Bayesian estimationSerbiaBelgrade, Serbia

  • Source: 2022 30th European Signal Processing Conference (EUSIPCO)30th European Signal Processing Conference (EUSIPCO 2022)https://hal.science/hal-0373550630th European Signal Processing

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Multifractal anomaly detection in images via space-scale surrogates

Subjects: anomaly detection; multifractal analysis; surrogate dataBordeaux; France

  • Source: 2022 IEEE International Conference on Image Processing (ICIP)IEEE International Conference on Image Processinghttps://hal.science/hal-03850432IEEE International Conference on Image

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Estimation du paramètre de multifractalité ; Estimation du paramètre de multifractalité: régression linéaire, maximum de vraisemblance ou inférence Bayésienne ?

Subjects: [INFO]Computer Science [cs]Nancy; France

  • Source: Actes GRETSI 2022 ; XXVIIIème Colloque Francophone de Traitement du Signal et des Images (GRETSI 2022) ; https://hal.science/hal-03850442 ; XXVIIIème Colloque Francophone de Traitement du Signal et

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Hurst multimodality detection based on large wavelet random matrices

Subjects: self-similarity; operator fractional Brownian motion; waveletsSerbiaBelgrade, Serbia

  • Source: Proceedings of 30th European Conference on Signal Processing 2022 (EUSIPCO) ; 30th European Conference on Signal Processing (EUSIPCO 2022) ; https://hal.science/hal-03850437 ; 30th European Conference

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Foreign Exchange Multivariate Multifractal Analysis

Subjects: multivariate multifractal analysis; wavelet leaders; Financial times seriesSerbiaBelgrade, Serbia

  • Source: Proc. European Signal Processing Conference (EUSIPCO) ; European Signal Processing Conference (EUSIPCO) ; https://hal.science/hal-03735497 ; European Signal Processing Conference (EUSIPCO), European

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  • 1-25 of  190 results for ""Abry, Patrice""