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Mario Fritz – CISPA Helmholtz Center for Information Security

Mario Fritz – CISPA Helmholtz Center for Information Security

Prof. Dr. Mario Fritz


Faculty
CISPA Helmholtz Center for Information Security

Professor
Saarland University

Fellow
European Laboratory for Learning and Intelligent Systems (ELLIS)


Google Scholar 

Semantic Scholar


We are looking for PhD students and Post-Docs! Please get in touch.

My group is working on Trustworthy Information Processing with a focus on the intersection of AI & Machine Learning with Security & Privacy.


Recent projects and initiatives related to trustworthy AI/ML, health, privacy:

  • Coordinator and PI: European Lighthouse on Secure and Safe AI (ELSA)
  • Leading Scientist: Helmholtz Medical Security, Privacy, and AI Research Center (HMSP)
  • Coordinator and PI: Trustworthy Federated Data Analytics Project (TFDA)
  • Coordinator and PI: Protecting Genetic Data with Synthetic Cohorts from Deep Generative Models (PRO-GENE-GEN)
  • PI: Integrated Early Warning System for Local Recognition, Prevention, and Control for Epidemic Outbreaks (LOKI)
  • Partner-PI: The German Human Genome-Phenome Archive (GHGA)
  • Member of working group in “Forum Gesundheit” of BMBF: “AG Nutzbarmachung digitaler Daten für KI-Entwicklungen in der Gesundheitsforschung”

Recent work on DeepFake detecting, misinformation, attribution,and responsible disclosure:

  • Usenix’23: UnGANable: Defending Against GAN-based Face Manipulation
  • ArXiv’22: Fact-Saboteurs: A Taxonomy of Evidence Manipulation Attacks against Fact-Verification Systems
  • CVPR’22: Open-Domain, Content-based, Multi-modal Fact-checking of Out-of-Context Images via Online Resources
  • ICLR’22: Responsible Disclosure of Generative Models Using Scalable Fingerprinting
  • ICCV’21: Artificial Fingerprinting for Generative Models: Rooting Deepfake Attribution in Training Data
  • S&P’21: Adversarial Watermarking Transformer: Towards Tracing Text Provenance with Data Hiding
  • IJCAI’21: Beyond the Spectrum: Detecting Deepfakes via Re-Synthesis
  • CVPR’21: Hijack-GAN: Unintended-Use of Pretrained, Black-Box GANs
  • ICCV’19: Attributing Fake Images to GANs: Learning and Analyzing GAN Fingerprints

Recent publications:

  • Usenix’23: UnGANable: Defending Against GAN-based Face Manipulation
  • NeurIPS’22: Private Set Generation with Discriminative Information
  • ICML’22: ProgFed: Effective, Communication, and Computation Efficient Federated Learning by Progressive Training
  • CVPR’22: Open-Domain, Content-based, Multi-modal Fact-checking of Out-of-Context Images via Online Resources
  • CVPR’22: B-cos Networks: Alignment is All We Need for Interpretability
  • CHIL’22: Practical Challenges in Differentially-Private Federated Survival Analysis of Medical Data
  • ICLR’22: Responsible Disclosure of Generative Models Using Scalable Fingerprinting
  • ICLR’22: RelaxLoss: Defending Membership Inference Attacks without Losing Utility
  • Usenix’22: ML-Doctor: Holistic Risk Assessment of Inference Attacks Against Machine Learning Models
  • PETS’22: Understanding Utility and Privacy of Demographic Data in Education Technology by Causal Analysis and Adversarial-Censoring
  • IJCV’21: Semantic Bottlenecks: Quantifying and Improving Inspectability of Deep Representations
  • CCS-W’21: Differential Privacy Defenses and Sampling Attacks for Membership Inference
  • CCS-W’21: “What’s in the box?!”: Deflecting Adversarial Attacks by Randomly Deploying Adversarially-Disjoint Models
  • PKDD-W’21: IReEn: Reverse-Engineering of Black-Box Functions via Iterative Neural Program Synthesis
  • PKDD-W’21: SampleFix: Learning to Generate Functionally Diverse Fixes
  • ICCV’21: Artificial Fingerprinting for Generative Models: Rooting Deepfake Attribution in Training Data
  • ICCV’21: Dual Contrastive Loss and Attention for GANs
  • EXCLI’21: Privacy Considerations for Sharing Genomics Data
  • IJCAI’21: Beyond the Spectrum: Detecting Deepfakes via Re-Synthesis
  • S&P’21: Adversarial Watermarking Transformer: Towards Tracing Text Provenance with Data Hiding
  • CVPR’21: Hijack-GAN: Unintended-Use of Pretrained, Black-Box GANs
  • CVPR’21: Convolutional Dynamic Alignment Networks for Interpretable Classifications
  • CVPR’21: Euro-PVI: Pedestrian Vehicle Interactions in Dense Urban Centers
  • CVPR-W’21: MLCapsule: Guarded Offline Deployment of Machine Learning as a Service
  • CVPR-W’21: InfoScrub: Towards Attribute Privacy by Targeted Obfuscation
  • WACV’21: Future Moment Assessment for Action Query

News, talks, events:

  • Talk at Deutscher EDV Gerichtstag
  • Talk at AI, Neuroscience and Hardware: From Neural to Artificial Systems and Back Again
  • Scientific Advisory Board: Bosch AIShield
  • Steering Board: Helmholtz.AI
  • Recent program committees: ICML’21, NeurIPS’21, S&P’22, EuroS&P’22, CVPR’22 (AC); CCS’22
  • Runner-up Inria/CNIL Privacy Protection Prize 2020
    S&P’20 paper: “Automatically Detecting Bystanders in Photos to Reduce Privacy Risks”
  • Co-Organizers of ICLR’21 Workshop on “Synthetic Data Generation – Quality, Privacy, Bias”
  • Co-Organizers of CVPR’21 Workshop on “QuoVadis: Interdisciplinary, Socio-Technical Workshop on the Future of Computer Vision and Pattern Recognition (QuoVadis-CVPR)”
  • Co-Organizers of CVPR’21 Workshop on “Causality in Vision”
  • Founding member of Saarbrücken Artificial Intelligence & Machine Learning (SAM) unit of the European Laboratory of Learning and Intelligent Systems (ELLIS)
  • Lecturer at Digital CISPA Summer School 2020
  • Co-Organizer of Third International Workshop on The Bright and Dark Sides of Computer Vision: Challenges and Opportunities for Privacy and Security (CV-COPS) at ECCV 2020
  • Co-Organizer: 4. ACM Symposium on Computer Science in Cars: Future Challenges in Artificial Intelligence & Security for Autonomous Vehicles CSCS’20
  • Keynote at Workshop Machine Learning for Cybersecurity, ECMLPKDD’19
  • Talk at Cyber Defense Campus (CYD) Conference on Artificial Intelligence in Defence and Security
  • Co-Organizer of Second International Workshop on The Bright and Dark Sides of Computer Vision: Challenges and Opportunities for Privacy and Security (CV-COPS) at CVPR 2019
  • Co-Organizer: 3. ACM Symposium on Computer Science in Cars: Future Challenges in Artificial Intelligence & Security for Autonomous Vehicles CSCS’19
  • Leading scientist at new Helmholtz Medical Security and Privacy Research Center
  • Member of ACM Technical Policy Committee Europe
  • Mateusz Malinowski received the DAGM MVTec dissertation award as well as the Dr.-Eduard-Martin award for his PhD
  • Associate Editor for IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI)

2011 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Show all

2015

Inproceedings

Joint Segmentation and Activity Discovery using Semantic and Temporal Priors

Julia Seiter; Wei-Chen Chiu; Mario Fritz; Oliver Amft; Gerhard Troester

Joint Segmentation and Activity Discovery using Semantic and Temporal Priors Inproceedings

In: IEEE Internation Conference on Pervasive Computing and Communication (PERCOM), 2015.

Links | BibTeX | Tags: 2014

@inproceedings{seiter15percom,
title = {Joint Segmentation and Activity Discovery using Semantic and Temporal Priors},
author = {Julia Seiter and Wei-Chen Chiu and Mario Fritz and Oliver Amft and Gerhard Troester},
url = {https://scalable.mpi-inf.mpg.de/files/2015/02/PID3540259.pdf},
year = {2015},
date = {2015-03-23},
booktitle = {IEEE Internation Conference on Pervasive Computing and Communication (PERCOM)},
keywords = {2014},
pubstate = {published},
tppubtype = {inproceedings}
}

Close

  • https://scalable.mpi-inf.mpg.de/files/2015/02/PID3540259.pdf

Close

2014

Inproceedings

A Multi-World Approach to Question Answering about Real-World Scenes based on Uncertain Input

Mateusz Malinowski; Mario Fritz

A Multi-World Approach to Question Answering about Real-World Scenes based on Uncertain Input Inproceedings

In: Neural Information Processing Systems (NIPS), 2014.

Links | BibTeX | Tags: 2014

@inproceedings{malinowski14nips,
title = {A Multi-World Approach to Question Answering about Real-World Scenes based on Uncertain Input},
author = {Mateusz Malinowski and Mario Fritz},
url = {http://papers.nips.cc/paper/5411-a-multi-world-approach-to-question-answering-about-real-world-scenes-based-on-uncertain-input.pdf
http://www.d2.mpi-inf.mpg.de/visual-turing-challenge},
year = {2014},
date = {2014-12-26},
booktitle = {Neural Information Processing Systems (NIPS)},
keywords = {2014},
pubstate = {published},
tppubtype = {inproceedings}
}

Close

  • http://papers.nips.cc/paper/5411-a-multi-world-approach-to-question-answering-ab[...]
  • http://www.d2.mpi-inf.mpg.de/visual-turing-challenge

Close

Anytime Recognition of Objects and Scenes

Sergey Karayev; Mario Fritz; Trevor Darrell

Anytime Recognition of Objects and Scenes Inproceedings

In: IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2014, (oral).

Links | BibTeX | Tags: 2014

@inproceedings{karayev14cvpr,
title = {Anytime Recognition of Objects and Scenes},
author = {Sergey Karayev and Mario Fritz and Trevor Darrell},
url = {https://scalable.mpi-inf.mpg.de/files/2014/04/paper_final.pdf
http://sergeykarayev.com/recognition-on-a-budget/},
year = {2014},
date = {2014-12-17},
booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
note = {oral},
keywords = {2014},
pubstate = {published},
tppubtype = {inproceedings}
}

Close

  • https://scalable.mpi-inf.mpg.de/files/2014/04/paper_final.pdf
  • http://sergeykarayev.com/recognition-on-a-budget/

Close

Image-based Synthesis and Re-Synthesis of Viewpoints Guided by 3D Models

Konstantinos Rematas; Tobias Ritschel; Mario Fritz; Tinne Tuytelaars

Image-based Synthesis and Re-Synthesis of Viewpoints Guided by 3D Models Inproceedings

In: IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2014, (oral).

Links | BibTeX | Tags: 2014

@inproceedings{kostas14cvpr,
title = {Image-based Synthesis and Re-Synthesis of Viewpoints Guided by 3D Models},
author = {Konstantinos Rematas and Tobias Ritschel and Mario Fritz and Tinne Tuytelaars},
url = {https://scalable.mpi-inf.mpg.de/files/2014/04/ImageBasedSynthesis.pdf
http://homes.esat.kuleuven.be/~krematas/imgSynth/},
year = {2014},
date = {2014-12-08},
booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
note = {oral},
keywords = {2014},
pubstate = {published},
tppubtype = {inproceedings}
}

Close

  • https://scalable.mpi-inf.mpg.de/files/2014/04/ImageBasedSynthesis.pdf
  • http://homes.esat.kuleuven.be/~krematas/imgSynth/

Close

Towards a Visual Turing Challenge

Mateusz Malinowski; Mario Fritz

Towards a Visual Turing Challenge Inproceedings

In: NIPS Workshop on Learning Semantics, 2014.

Links | BibTeX | Tags: 2014

@inproceedings{visual_turing_challenge,
title = {Towards a Visual Turing Challenge},
author = {Mateusz Malinowski and Mario Fritz},
url = {http://arxiv.org/abs/1410.8027
http://www.d2.mpi-inf.mpg.de/visual-turing-challenge},
year = {2014},
date = {2014-10-30},
booktitle = {NIPS Workshop on Learning Semantics},
keywords = {2014},
pubstate = {published},
tppubtype = {inproceedings}
}

Close

  • http://arxiv.org/abs/1410.8027
  • http://www.d2.mpi-inf.mpg.de/visual-turing-challenge

Close

Object Disambiguation for Augmented Reality Applications

Wei-Chen Chiu; Gregory S. Johnson; Daniel Mcculley; Oliver Grau; Mario Fritz

Object Disambiguation for Augmented Reality Applications Inproceedings

In: British Machine Vision Conference (BMVC), 2014.

Links | BibTeX | Tags: 2014

@inproceedings{walon14bmvc,
title = {Object Disambiguation for Augmented Reality Applications},
author = {Wei-Chen Chiu and Gregory S. Johnson and Daniel Mcculley and Oliver Grau and Mario Fritz},
url = {https://sites.google.com/site/walonchiu/projects/disambiguation
https://scalable.mpi-inf.mpg.de/files/2014/09/walon2014bmvc.pdf},
year = {2014},
date = {2014-09-01},
booktitle = {British Machine Vision Conference (BMVC)},
keywords = {2014},
pubstate = {published},
tppubtype = {inproceedings}
}

Close

  • https://sites.google.com/site/walonchiu/projects/disambiguation
  • https://scalable.mpi-inf.mpg.de/files/2014/09/walon2014bmvc.pdf

Close

Ubic: Bridging the Gap Between Digital Cryptography and the Physical World

Mark Simkin; Dominique Schröder; Andreas Bulling; Mario Fritz

Ubic: Bridging the Gap Between Digital Cryptography and the Physical World Inproceedings

In: European Symposium on Research in Computer Security (ESORICS), 2014.

Links | BibTeX | Tags: 2014

@inproceedings{simkin14esorics,
title = {Ubic: Bridging the Gap Between Digital Cryptography and the Physical World},
author = {Mark Simkin and Dominique Schröder and Andreas Bulling and Mario Fritz},
url = {https://scalable.mpi-inf.mpg.de/files/2014/09/ubic.pdf},
year = {2014},
date = {2014-08-01},
booktitle = {European Symposium on Research in Computer Security (ESORICS)},
keywords = {2014},
pubstate = {published},
tppubtype = {inproceedings}
}

Close

  • https://scalable.mpi-inf.mpg.de/files/2014/09/ubic.pdf

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Scene Segmentation in Adverse Vision Conditions

Evgeny Levinkov

Scene Segmentation in Adverse Vision Conditions Inproceedings

In: Young Researcher Forum at GCPR based on master thesis supervised by Mario Fritz, 2014.

Links | BibTeX | Tags: 2014

@inproceedings{levinkov14yrf,
title = {Scene Segmentation in Adverse Vision Conditions},
author = {Evgeny Levinkov},
url = {https://scalable.mpi-inf.mpg.de/files/2014/08/main175.pdf},
year = {2014},
date = {2014-01-08},
booktitle = {Young Researcher Forum at GCPR based on master thesis supervised by Mario Fritz},
keywords = {2014},
pubstate = {published},
tppubtype = {inproceedings}
}

Close

  • https://scalable.mpi-inf.mpg.de/files/2014/08/main175.pdf

Close

Learning Multi-Scale Representations for Material Classification

Wenbin Li

Learning Multi-Scale Representations for Material Classification Inproceedings

In: Young Researcher Forum at GCPR based on master thesis supervised by Mario Fritz, 2014.

Links | BibTeX | Tags: 2014

@inproceedings{wenbin14yrf,
title = {Learning Multi-Scale Representations for Material Classification},
author = {Wenbin Li},
url = {https://scalable.mpi-inf.mpg.de/files/2014/08/main176.pdf},
year = {2014},
date = {2014-01-04},
booktitle = {Young Researcher Forum at GCPR based on master thesis supervised by Mario Fritz},
keywords = {2014},
pubstate = {published},
tppubtype = {inproceedings}
}

Close

  • https://scalable.mpi-inf.mpg.de/files/2014/08/main176.pdf

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Technical Reports

A Pooling Approach to Modelling Spatial Relations for Image Retrieval and Annotation

Mateusz Malinowski; Mario Fritz

A Pooling Approach to Modelling Spatial Relations for Image Retrieval and Annotation Technical Report

arXiv:1411.5190 [cs.CV], 2014.

Links | BibTeX | Tags: 2014

@techreport{malinowski14spatial,
title = {A Pooling Approach to Modelling Spatial Relations for Image Retrieval and Annotation},
author = {Mateusz Malinowski and Mario Fritz},
url = {http://arxiv.org/abs/1411.5190
http://arxiv.org/pdf/1411.5190v1.pdf},
year = {2014},
date = {2014-10-29},
type = {arXiv:1411.5190 [cs.CV]},
keywords = {2014},
pubstate = {published},
tppubtype = {techreport}
}

Close

  • http://arxiv.org/abs/1411.5190
  • http://arxiv.org/pdf/1411.5190v1.pdf

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Learning Multi-Scale Representations for Material Classification

Wenbin Li; Mario Fritz

Learning Multi-Scale Representations for Material Classification Technical Report

arXiv:1408.2938 [cs.CV], 2014.

Links | BibTeX | Tags: 2014

@techreport{li14multiscale,
title = {Learning Multi-Scale Representations for Material Classification},
author = {Wenbin Li and Mario Fritz},
url = {http://arxiv.org/abs/1408.2938
http://arxiv.org/pdf/1408.2938v1.pdf},
year = {2014},
date = {2014-02-01},
type = {arXiv:1408.2938 [cs.CV]},
keywords = {2014},
pubstate = {published},
tppubtype = {techreport}
}

Close

  • http://arxiv.org/abs/1408.2938
  • http://arxiv.org/pdf/1408.2938v1.pdf

Close

Ubic: Bridging the gap between digital cryptography and the physical  world

Mark Simkin; Andreas Bulling; Mario Fritz; Dominique Schroeder

Ubic: Bridging the gap between digital cryptography and the physical world Technical Report

arXiv:1403.1343 [cs.CR], 2014.

Links | BibTeX | Tags: 2014

@techreport{simkin14ubic,
title = {Ubic: Bridging the gap between digital cryptography and the physical world},
author = {Mark Simkin and Andreas Bulling and Mario Fritz and Dominique
Schroeder},
url = {http://arxiv-web3.library.cornell.edu/abs/1403.1343
https://ca.cs.uni-saarland.de/ubic/
http://www.cebit.de/product/ubicrypt/437871/J842163},
year = {2014},
date = {2014-01-16},
type = {arXiv:1403.1343 [cs.CR]},
keywords = {2014},
pubstate = {published},
tppubtype = {techreport}
}

Close

  • http://arxiv-web3.library.cornell.edu/abs/1403.1343
  • https://ca.cs.uni-saarland.de/ubic/
  • http://www.cebit.de/product/ubicrypt/437871/J842163

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