Chengfang Ren

Présentation

Publications

Article dans une revue (13)

The Human Activity Radar Challenge: Benchmarking Based on the ‘Radar Signatures of Human Activities’ Dataset From Glasgow University Shufan Yang,Julien Le Kernec,Olivier Romain,Francesco Fioranelli,Pierre Cadartet al. IEEE Journal of Biomedical and Health Informatics, 2023, 27 (4), pp.1813-1824. ⟨10.1109/JBHI.2023.3240895⟩ Article dans une revue hal-04500661v1
Impact of PolSAR Pre-Processing and Balancing Methods on Complex-Valued Neural Networks Segmentation Tasks Jose Agustin Barrachina,Chengfang Ren,Christéle Morisseau,Gilles Vieillard,Jean-Philippe Ovarlez IEEE Open Journal of Signal Processing, 2023, 4, pp.157-166. ⟨10.1109/OJSP.2023.3246391⟩ Article dans une revue hal-04052466v1
Comparison Between Equivalent Architectures of Complex-valued and Real-valued Neural Networks - Application on Polarimetric SAR Image Segmentation José Agustín Barrachina,Chengfang Ren,Christèle Morisseau,Gilles Vieillard,Jean-Philippe Ovarlez Journal of Signal Processing Systems, 2022, ⟨10.1007/s11265-022-01793-0⟩ Article dans une revue hal-03771786v1
Self-Supervised Learning Based Anomaly Detection in Synthetic Aperture Radar Imaging Max Muzeau,Chengfang Ren,Sebastien Angelliaume,Mihai Datcu,Jean-Philippe Ovarlez IEEE Open Journal of Signal Processing, 2022, 3, pp.440-449. ⟨10.1109/OJSP.2022.3229618⟩ Article dans une revue hal-03975492v1
Probabilistic PCA From Heteroscedastic Signals: Geometric Framework and Application to Clustering Antoine Collas,Florent Bouchard,Arnaud Breloy,Guillaume Ginolhac,Chengfang Renet al. IEEE Transactions on Signal Processing, 2021, 69, pp.6546-6560. ⟨10.1109/TSP.2021.3130997⟩ Article dans une revue hal-03521278v1
Matched and Mismatched Estimation of Kronecker Product of Linearly Structured Scatter Matrices under Elliptical Distributions Bruno Meriaux,Chengfang Ren,Arnaud Breloy,Mohammed Nabil El Korso,Philippe Forster IEEE Transactions on Signal Processing, 2021, 69, pp.603-616. ⟨10.1109/TSP.2020.3042946⟩ Article dans une revue hal-03039552v1
Asymptotic Performance of Complex M-estimators for Multivariate Location and Scatter Estimation Bruno Meriaux,Chengfang Ren,Mohammed Nabil El Korso,Arnaud Breloy,Philippe Forster IEEE Signal Processing Letters, 2019, 26 (2), pp.367-371. ⟨10.1109/lsp.2019.2891201⟩ Article dans une revue hal-01968961v1
Asymptotic Performance of Complex $M$ -Estimators for Multivariate Location and Scatter Estimation Bruno Mériaux,Chengfang Ren,Mohammed Nabil El Korso,Arnaud Breloy,Philippe Forster IEEE Signal Processing Letters, 2019, 26 (2), pp.367-371. ⟨10.1109/LSP.2019.2891201⟩ Article dans une revue hal-04472361v1
On the Maximum Likelihood Estimator Statistics for Unimodal Elliptical Distributions in the High Signal-to-Noise Ratio Regime Steeve Zozor,Chengfang Ren,Alexandre Renaux IEEE Signal Processing Letters, 2018, 25 (6), pp.883 - 887. ⟨10.1109/LSP.2018.2831178⟩ Article dans une revue hal-01798888v1
Information-Estimation relationship in mismatched Gaussian channels Saloua Chlaily,Chengfang Ren,Pierre-Olivier Amblard,Olivier J.J. Michel,Pierre Comonet al. IEEE Signal Processing Letters, 2017, 24 (5), pp.688-692. ⟨10.1109/LSP.2017.2687764⟩ Article dans une revue hal-01493481v1
Hybrid Barankin-Weiss-Weinstein bounds Chengfang Ren,Jérôme Galy,Eric Chaumette,Pascal Larzabal,Alexandre Renaux IEEE Signal Processing Letters, 2015, 22 (11), pp.2064-2068. ⟨10.1109/lsp.2015.2457617⟩ Article dans une revue hal-01234910v1
Recursive hybrid Cramer-Rao bound for discrete-time Markovian dynamic systems Chengfang Ren,Jérôme Galy,Eric Chaumette,François Vincent,Pascal Larzabalet al. IEEE Signal Processing Letters, 2015, 22 (10), pp.1543-1547. ⟨10.1109/LSP.2015.2412173⟩ Article dans une revue hal-01226835v1
On the accuracy and resolvability of vector parameter estimates Chengfang Ren,Mohammed Nabil El Korso,Jérôme Galy,Eric Chaumette,Pascal Larzabalet al. IEEE Transactions on Signal Processing, 2014, 62 (14), pp.3682-3694. ⟨10.1109/TSP.2014.2328322⟩ Article dans une revue hal-01103527v1

Communication dans un congrès (35)

Complex-Valued Variational Autoencoders for Radar Detection in Joint Compound Gaussian Clutter and Thermal Noise Yadang Alexis Rouzoumka,Eugénie Terreaux,Christèle Morisseau,Jean-Philippe Ovarlez,Chengfang Ren EUSIPCO, IEEE/EURASIP, Sep 2025, Palermo, Italy Communication dans un congrès hal-05328928v1
VAE pour la détection d'anomalies en imagerie SAR X Huy Nguyen,Chengfang Ren,Jérémy Fix,Jean-Philippe Ovarlez,Joana Frontera-Pons GRETSI 2025, Aug 2025, Strasbourg, France Communication dans un congrès hal-05235797v1
torchcvnn: A PyTorch-based library to easily experiment with state-of-the-art Complex-Valued Neural Networks Jérémy Fix,Quentin Gabot,X. Huy Nguyen,Joana Frontera-Pons,Chengfang Renet al. International Joint Conference on Neural Networks, Jun 2025, Rome, Italy. pp.1-9, ⟨10.1109/IJCNN64981.2025.11229081⟩ Communication dans un congrès hal-05235749v1
On the impact of despeckling for supervised SAR super-resolution Max Muzeau,Chengfang Ren,Jérémy Fix,Frederic Brigui,Jean-Philippe Ovarlez EUSAR 2024, Apr 2024, Munich, Germany Communication dans un congrès hal-04914978v1
Complex-valued Wasserstein GAN for SAR Image Generation Victor Dhédin,Jérémie Levi,Jérémy Fix,Chengfang Ren,I. Hinostroza IEEE IGARSS 2024, Jul 2024, Athens, Greece. ⟨10.1109/igarss53475.2024.10642629⟩ Communication dans un congrès hal-04529685v1
General Feature Extraction In SAR Target Classification: A Contrastive Learning Approach Across Sensor Types M. Muzeau,J. Frontera-Pons,Chengfang Ren,J.-P. Ovarlez IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium, Jul 2024, Athènes, Greece. pp.8703-8707, ⟨10.1109/IGARSS53475.2024.10642123⟩ Communication dans un congrès hal-04915023v1
Neural network scoring for efficient computing Hugo Waltsburger,Erwan Libessart,Chengfang Ren,Anthony Kolar,Régis Guinvarc'H 56th International Symposium on Circuits and Systems (ISCAS), 2023, IEEE; IEEE CAS Society, May 2023, Monterey, United States. pp.1-5, ⟨10.1109/ISCAS46773.2023.10181766⟩ Communication dans un congrès hal-04151361v1
Complex-valued neural networks for polarimetric sar segmentation using pauli representation José Barrachina,Chengfang Ren,Christèle Morisseau,Gilles Vieillard,Jean-Philippe Ovarlez IEEE- IGARSS 2022, Jul 2022, Kuala Lumpur, Malaysia. ⟨10.1109/IGARSS46834.2022.9883251⟩ Communication dans un congrès hal-03752893v1
Merits of Complex-Valued Neural Networks for PolSAR image segmentation José Agustin Barrachina,Chengfang Ren,Christèle Morisseau,Gilles Vieillard,Jean-Phillipe Ovarlez GRETSI 2022, Sep 2022, Nancy, France Communication dans un congrès hal-03830417v1
ON THE USE OF GEODESIC TRIANGLES BETWEEN GAUSSIAN DISTRIBUTIONS FOR CLASSIFICATION PROBLEMS Antoine Collas,Florent Bouchard,Guillaume Ginolhac,Arnaud Breloy,Chengfang Renet al. 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2022), May 2022, Singapour, Singapore. ⟨10.1109/ICASSP43922.2022.9747872⟩ Communication dans un congrès hal-03752879v1
Détection d'anomalies en SAR basée sur les réseaux génératifs Max Muzeau,Chengfang Ren,Sébastien Angelliaume,Mihai Datcu,Jean-Philippe Ovarlez GRETSI 2022, Sep 2022, Nancy, France Communication dans un congrès hal-03830331v1
Robust Geometric Metric Learning Antoine Collas,Arnaud Breloy,Guillaume Ginolhac,Chengfang Ren,Jean-Philippe Ovarlez 30th European Signal Processing Conference, EUSIPCO 2022, Aug 2022, Belgrade, Serbia Communication dans un congrès hal-03931132v1
SAR Anomalies Detection based on Deep Learning Max Muzeau,Chengfang Ren,Sebastien Angelliaume,Mihai Datcu,Jean-Philippe Ovarlez XXVIIIème Colloque GRETSI 2022, Sep 2022, Nancy, France Communication dans un congrès hal-03790615v1
Apprentissage par transfert en grande dimension : application aux images SAR polarimétriques Cyprien Doz,Chengfang Ren,Jean-Philippe Ovarlez,Romain Couillet GRETSI 2022 - XXIIXème Colloque Francophone de Traitement du Signal et des Images, Sep 2022, Nancy, France Communication dans un congrès hal-03829615v1
Classification in C-band of Doppler signatures of human activities in indoor environment Pierre Cadart,Marin Merlin,Giovanni Manfredi,Jérémy Fix,Chengfang Renet al. IET International Radar Conference 2020, 2021, Chongqing, China. ⟨10.1049/icp.2021.0597⟩ Communication dans un congrès hal-03022656v1
A Tyler-type estimator of location and scatter leveraging Riemannian optimization Antoine Collas,Florent Bouchard,A. Breloy,Chengfang Ren,Guillaume Ginolhacet al. 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Jun 2021, Toronto, Canada. ⟨10.1109/ICASSP39728.2021.9414974⟩ Communication dans un congrès hal-03144104v1
Complex-Valued vs. Real-Valued Neural Networks for Classification Perspectives: An Example on Non-Circular Data J Agustin A Barrachina,Chengfang Ren,Christele Morisseau,Gilles Vieillard,Jean-Philippe Ovarlez 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Jun 2021, Toronto, Canada. ⟨10.1109/ICASSP39728.2021.9413814⟩ Communication dans un congrès hal-03144092v1
Efficient Estimation of Kronecker Product of Linear Structured Scatter Matrices under t-distribution Bruno Meriaux,Chengfang Ren,Arnaud Breloy,Mohammed Nabil El Korso,Philippe Forster 28th European Signal Processing Conference (EUSIPCO 2020), Jan 2021, Amsterdam, Netherlands. pp.2418-2422, ⟨10.23919/eusipco47968.2020.9287415⟩ Communication dans un congrès hal-02873816v1
On the Recursions of Robust COMET Algorithm for Convexly Structured Shape Matrix Bruno Meriaux,Chengfang Ren,Arnaud Breloy,Mohammed Nabil El Korso,P Forsteret al. 27th European Signal Processing Conference (EUSIPCO 2019), Sep 2019, La Corogne, Spain. ⟨10.23919/eusipco.2019.8903167⟩ Communication dans un congrès hal-02155905v1
Estimation robuste de matrices de dispersion structurées pour des modèles bien/mal spécifiés Bruno Meriaux,Chengfang Ren,Mohammed Nabil El Korso,Arnaud Breloy,Philippe Forster 28eme Colloque francophone de traitement du signal et des images (GRETSI 2019), Aug 2019, Lille, France Communication dans un congrès hal-02155887v1
Distributing deep neural networks for maximising computing capabilities and power efficiency in swarm Victor Gacoin,Anthony Kolar,Chengfang Ren,Régis Guinvarc'H 2019 IEEE International Symposium on Circuits and Systems (ISCAS), May 2019, Sapporo, Japan. ⟨10.1109/ISCAS.2019.8702672⟩ Communication dans un congrès hal-02434837v1
Analysis of airplane signatures using passive VHF radar for recognition perspectives Israel Hinostroza Sáenz,Chengfang Ren,Thierry Letertre,Jérémy Fix 2019 International Radar Conference, Sep 2019, Toulon, France. ⟨10.1109/RADAR41533.2019.171376⟩ Communication dans un congrès hal-02492643v1
Une version récursive de RCOMET pour l'estimation robuste de matrices de forme à structure convexe Bruno Meriaux,Chengfang Ren,Arnaud Breloy,Mohammed Nabil El Korso,P Forsteret al. 28eme Colloque francophone de traitement du signal et des images (GRETSI 2019), Aug 2019, Lille, France Communication dans un congrès hal-02155900v1
Performance bounds for change point and time delay estimation Chengfang Ren,Alexandre Renaux,Sylvain Azarian 26th European Signal Processing Conference (EUSIPCO 2018), Sep 2018, Rome, Italy. ⟨10.23919/eusipco.2018.8553063⟩ Communication dans un congrès hal-01895286v1
Efficient Estimation of Scatter Matrix with Convex Structure under t-Distribution Bruno Meriaux,Chengfang Ren,Mohammed Nabil El Korso,Arnaud Breloy,Philippe Forster 2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2018), Apr 2018, Calgary, Canada. pp.4474-4478, ⟨10.1109/icassp.2018.8462449⟩ Communication dans un congrès hal-01784707v1
Performances optimales pour les données multimodales partiellement couplées Chengfang Ren,Rodrigo Cabral Farias,Pierre-Olivier Amblard,Pierre Comon GRETSI 2017 - XXVIème Colloque francophone de traitement du signal et des images, Sep 2017, Juan-Les-Pins, France Communication dans un congrès hal-01567124v1
Robust-COMET for Covariance Estimation in Convex Structures: Algorithm and Statistical Properties Bruno Meriaux,Chengfang Ren,Mohammed Nabil El Korso,Arnaud Breloy,Philippe Forster 2017 IEEE 7th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP 2017), Dec 2017, Curaçao, Netherlands. pp.1-5, ⟨10.1109/CAMSAP.2017.8313081⟩ Communication dans un congrès hal-01651772v1
Performance bounds under misspecification model for MIMO radar application Chengfang Ren,Mohammed Nabil El Korso,Jérôme Galy,Eric Chaumette,Pascal Larzabalet al. 23rd European Signal Processing Conference (EUSIPCO 2015), Aug 2015, Nice, France. pp.514-518, ⟨10.1109/EUSIPCO.2015.7362436⟩ Communication dans un congrès hal-01234922v1
Une nouvelle approche de résolution limite dans le cadre d'estimation paramétrique multidimensionnelle Chengfang Ren,Mohammed Nabil El Korso,Jérôme Galy,Eric Chaumette,Pascal Larzabalet al. 25eme Colloque francophone de traitement du signal et des images (GRETSI 2015), Sep 2015, Lyon, France Communication dans un congrès hal-01234914v1
A constrained hybrid Cramér-Rao bound for parameter estimation Chengfang Ren,Julien Le Kernec,Jérôme Galy,Eric Chaumette,Pascal Larzabalet al. ICASSP: International Conference on Acoustics, Speech and Signal Processing, Apr 2015, Brisbanne, Australia. pp.3472-3476, ⟨10.1109/ICASSP.2015.7178616⟩ Communication dans un congrès hal-01234924v1
Borne de Cramér-Rao sous contraintes pour l'estimation simultanée de paramètres aléatoires et non aléatoires Chengfang Ren,Julien Le Kernec,Jérôme Galy,Éric Chaumette,Pascal Larzabalet al. 25eme Colloque francophone de traitement du signal et des images (GRETSI 2015), Sep 2015, Lyon, France Communication dans un congrès hal-01234916v1
A Ziv-Zakai type bound for hybrid parameter estimation Chengfang Ren,Jérôme Galy,Eric Chaumette,Pascal Larzabal,Alexandre Renaux ICASSP: International Conference on Acoustics, Speech and Signal Processing, May 2014, Florence, Italy. ⟨10.1109/ICASSP.2014.6854486⟩ Communication dans un congrès hal-00947790v1
High resolution techniques for Radar: Myth or Reality? Chengfang Ren,Jérôme Galy,Eric Chaumette,Pascal Larzabal,Alexandre Renaux EUSIPCO: European Signal Processing Conference, Sep 2013, Marrakech, Morocco Communication dans un congrès hal-00926285v1
Une borne inférieure de l'erreur quadratique moyenne pour l'estimation simultané de paramètres aléatoires et non-aléatoires Chengfang Ren,Jérôme Galy,Eric Chaumette,Pascal Larzabal,Alexandre Renaux GRETSI 2013, Sep 2013, Brest, France Communication dans un congrès hal-00926286v1
Hybrid Lower Bound On The MSE Based On The Barankin And Weiss-Weinstein Bounds Chengfang Ren,Jérôme Galy,Eric Chaumette,Pascal Larzabal,Alexandre Renaux ICASSP: International Conference on Acoustics, Speech, and Signal Processing, May 2013, Vancouver, Canada. pp.5534-5538, ⟨10.1109/ICASSP.2013.6638722⟩ Communication dans un congrès hal-00800214v1

Pré-publication, Document de travail (1)

Complex-Valued vs. Real-Valued Neural Networks for Classification Perspectives: An Example on Non-Circular Data J Agustin A Barrachina,Chengfang Ren,Christele Morisseau,Gilles Vieillard,Jean-Philippe Ovarlez 2020 Pré-publication, Document de travail hal-02941957v1

Rapport (1)

Performance bounds for coupled models Chengfang Ren,Rodrigo Cabral Farias,Pierre-Olivier Amblard,Pierre Comon [Research Report] GIPSA-lab. 2016 Rapport (rapport de recherche) hal-01280480v1