Reda Bellafqira

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Publications

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RoSe-Mix: Robust and Secure Deep Neural Network Watermarking in Black-Box Settings via Image Mixup

Tamara El Hajjar , Mohammed Lansari , Reda Bellafqira , Gouenou Coatrieux , Katarzyna Kapusta et al.

Machine Learning and Knowledge Extraction, 2025, 7, ⟨10.3390/make7020032⟩

Article dans une revue hal-05110896v1
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DICTION: DynamIC robusT whIte bOx Watermarking Scheme for Deep Neural Networks

Reda Bellafqira , Gouenou Coatrieux

Applied Sciences, 2025, 15 (13), pp.7511. ⟨10.3390/app15137511⟩

Article dans une revue hal-05247953v1
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A Dynamic Sliding Window Encoding for Secured DNA Data Storage Compliant With Biological and Indexing Constraints

Chloé Berton , Gouenou Coatrieux , Héléne Gasnier , Sahar Haddad , Reda Bellafqira et al.

IEEE Access, 2025, 13, pp.66009-66030. ⟨10.1109/ACCESS.2025.3560387⟩

Article dans une revue hal-05067257v1
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Secure Extraction of Personal Information from EHR by Federated Machine Learning

Mohamed El Azzouzi , Reda Bellafqira , Gouenou Coatrieux , Marc Cuggia , Guillaume Bouzillé

Studies in Health Technology and Informatics, 2024, 316, pp.611-615. ⟨10.3233/shti240488⟩

Article dans une revue hal-04694435v1
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Automatic de-identification of French electronic health records: a cost-effective approach exploiting distant supervision and deep learning models

Mohamed El Azzouzi , Gouenou Coatrieux , Reda Bellafqira , Denis Delamarre , Christine Riou et al.

BMC Medical Informatics and Decision Making, 2024, Bmc Medical Informatics and Decision Making, 24 (1), pp.54. ⟨10.1186/s12911-024-02422-5⟩

Article dans une revue hal-04477654v1
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When Federated Learning Meets Watermarking: A Comprehensive Overview of Techniques for Intellectual Property Protection

Mohammed Lansari , Reda Bellafqira , Katarzyna Kapusta , Vincent Thouvenot , Olivier Bettan et al.

Machine Learning and Knowledge Extraction, 2023, 5, pp.1382-1406. ⟨10.3390/make5040070⟩

Article dans une revue (article de synthèse) hal-04592168v1
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Cryptosystem Conversion, Packing and Matrix Processing of Homomorphically Encrypted Data: Application to IOT Devices

Maxime Pistono , Reda Bellafqira , Gouenou Coatrieux

IEEE Access, 2021, 9, pp.28302 - 28316. ⟨10.1109/access.2021.3058849⟩

Article dans une revue hal-05067804v1
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Privacy-Preserving Genome-Wide Association Study for Rare Mutations - A Secure FrameWork for Externalized Statistical Analysis

Reda Bellafqira , Thomas Ludwig , David Niyitegeka , Emmanuelle Genin , Gouenou Coatrieux

IEEE Access, 2020, 8 (2), pp.112515-112529. ⟨10.1109/ACCESS.2020.3002966⟩

Article dans une revue hal-03700433v1

Secure Collapsing Method Based on Fully Homomorphic Encryption

David Niyitegeka , Reda Bellafqira , Emmanuelle Génin , Gouenou Coatrieux

Studies in Health Technology and Informatics, 2020, 270, pp.412-416. ⟨10.3233/SHTI200193⟩

Article dans une revue hal-03700381v1
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A Blockchain-Enhanced Reversible Watermarking Framework for End-to-End Data Traceability in Federated Learning Systems

Reda Bellafqira , Chloé Berton , Gouenou Coatrieux

9th International Conference on Cryptography, Security and Privacy (CSP 2025), Apr 2025, Okinawa, Japan

Communication dans un congrès hal-05094859v1
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An Improved Paillier-Based Reversible Watermarking Scheme for 3D Models with Reduced Complexity

Pierre Mahieux , Mouhamadou Bamba Sakho , Gouenou Coatrieux , Reda Bellafqira

18th International Symposium on Foundations & Practice of Security (FPS - 2025), Nov 2025, Brest, France

Communication dans un congrès hal-05385442v1
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A White-Box Watermarking Modulation for Encrypted DNN in Homomorphic Federated Learning

Mohammed Lansari , Reda Bellafqira , Katarzyna Kapusta , Vincent Thouvenot , Olivier Bettan et al.

21st International Conference on Security and Cryptography, INSTICC, Jul 2024, Dijon, France. pp.186-197, ⟨10.5220/0012764300003767⟩

Communication dans un congrès hal-04663085v1
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FedCAM - Identifying Malicious Models in Federated Learning Environments Conditionally to Their Activation Maps

Reda Bellafqira , Gouenou Coatrieux , Mohammed Lansari , Jilo Chala

WONS 2024: 19th Wireless On-Demand Network Systems and Services Conference, Jan 2024, Chamonix, France. pp.49-56, ⟨10.23919/WONS60642.2024.10449550⟩

Communication dans un congrès hal-05012389v1
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Securing Intellectual Property in Federated Learning

Mohammed Lansari , Reda Bellafqira , Katarzyna Kapusta , Vincent Thouvenot , Olivier Bettan et al.

Conference on Artificial Intelligence for Defense, DGA Maîtrise de l'Information, Nov 2023, Rennes, France

Communication dans un congrès hal-04328539v1

Robust and Imperceptible Watermarking Scheme for GWAS Data Traceability

Reda Bellafqira , Musab Al-Ghadi , Emmanuelle Genin , Gouenou Coatrieux

21st International Workshop, IWDW 2022, Nov 2022, Guilin, China. pp.147-161, ⟨10.1007/978-3-031-25115-3_10⟩

Communication dans un congrès hal-05222124v1

A Hybrid Cloud Deployment Architecture For Privacy-preserving Collaborative Genome-Wide Association Studies

Fatima-Zahra Boujdad , David Niyitegeka , Reda Bellafqira , Gouenou Coatrieux , Emmanuelle Génin et al.

EAI ICDF2C 2021: 12th EAI International Conference on Digital Forensics & Cyber Crime, Dec 2021, Singapour, Singapore. pp.342-359, ⟨10.1007/978-3-031-06365-7_21⟩

Communication dans un congrès hal-03331063v1
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Secure Processing of Stream Cipher Encrypted Data Issued from IOT: Application to a Connected Knee Prosthesis

Maxime Pistono , Reda Bellafqira , Gouenou Coatrieux

2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Jul 2019, Berlin, Germany. pp.6494-6497, ⟨10.1109/EMBC.2019.8857055⟩

Communication dans un congrès hal-02452348v1

Secure Multilayer Perceptron Based on Homomorphic Encryption

Reda Bellafqira , Gouenou Coatrieux , Emmanuelle Génin , Michel Cozic

IWDW: International Workshop on Digital Watermarking, Oct 2018, Jeju, South Korea. pp.322-336, ⟨10.1007/978-3-030-11389-6_24⟩

Communication dans un congrès hal-02066568v1

Proxy Re-Encryption Based on Homomorphic Encryption

Reda Bellafqira , Gouenou Coatrieux , Dalel Bouslimi , Gwénolé Quellec , Michel Cozic

the 33rd Annual Computer Security Applications Conference, Dec 2017, Orlando, United States. pp.154-161, ⟨10.1145/3134600.3134616⟩

Communication dans un congrès hal-02066555v1
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Secure content based image retrieval in medical databases

Reda Bellafqira , Gouenou Coatrieux , Dalel Bouslimi , Gwénolé Quellec

Journées RITS 2015, Mar 2015, Dourdan, France. pp 114-115

Communication dans un congrès inserm-01154957v1

Content-Based Image Retrieval in Homomorphic Encryption Domain

Reda Bellafqira , Gouenou Coatrieux , Dalel Bouslimi , Gwénolé Quellec

EMBC 2015 : 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Aug 2015, Milan, Italy. pp.2944 - 2947 ⟨10.1109/EMBC.2015.7319009⟩

Communication dans un congrès hal-01243162v1

Chapter 2 - Architecture and design choices for federated learning in modern digital healthcare systems

Konstantinos Koutsopoulos , Christoph Thümmler , Angelica Avila Castillo , Alice Abend , Stefan Covaci et al.

Agbotiname Lucky Imoize, Mohammad S. Obaidat, Houbing Herbert Song. Federated Learning for Digital Healthcare Systems, Academic Press, pp.37-58, 2024, 9780443138973. ⟨10.1016/b978-0-443-13897-3.00002-3⟩

Chapitre d'ouvrage hal-05302075v1