Oriane Siméoni

Research Scientist at Meta FAIR
Located in Paris, France
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Short Bio

Oriane Siméoni is a Research Scientist in the team DINO of Meta FAIR specializing in computer vision with a focus on methods that require no human-made annotation. Previously, she spent over three years as part of the research team valeo.ai, where she was already concentrating on vision solutions using little to no annotation. She did her PhD at Inria Rennes--Bretagne Atlantique under the supervision of Yannis Avrithis and Guillaume Gravier. During her PhD, she performed two internships at Twitter and Google and visited the Visual Recognition Group (CVUT).

News

  • 08/25 DINOv3 is out! >>
    • DINOv3,
      O. Siméoni, H. V. Vo, M. Seitzer, F. Baldassarre, M. Oquab, C. Jose, V. Khalidov, M. Szafraniec, S. Yi, M. Ramamonjisoa, F. Massa, D. Haziza, L. Wehrstedt, J. Wang, T. Darcet, T. Moutakanni, L. Sentana, C. Roberts, A. Vedaldi, J. Tolan, J. Brandt, C. Couprie, J. Mairal, H. Jégou, P. Labatut, P. Bojanowski
      arxiv 2025 paper code
  • 03/25 Can we successfully align a text encoder to frozen DINOv2? The answer is yes --> we present dino.txt at CVPR'25. >>
    • DINOv2 Meets Text: A Unified Framework for Image- and Pixel-Level Vision-Language Alignment,
      C. Jose, T. Moutakanni, D. Kang, F. Baldassarre, T. Darcet, H. Xu, D. Li, M. Szafraniec, M. Ramamonjisoa, M. Oquab, O. Siméoni, H. V. Vo, P. Labatut, P. Bojanowski
      CVPR 2025 paper code
  • 09/24 I am excited to join DINO team in Meta FAIR .
  • 05/24 I am for the first time Area Chair @ECCV'24.
  • 02/24 How to distill high-quality 3D representation from 2D self-sup. backbones? Gilles Puy will present ScaLR at CVPR'24. >>
    • Three Pillars improving Vision Foundation Model Distillation for Lidar,
      G. Puy, S. Gidaris, A. Boulch, O. Siméoni, C. Sautier, P. Pérez, A. Bursuc, R. Marlet
      CVPR 2024 paper code
  • 12/23 Our new work on efficient CLIP densification is out, check out CLIP-DINOiser !
  • 12/23 Antonin Vobecký is presenting POP-3D @NeurIPS'23. >>
    • POP-3D: Open-Vocabulary 3D Occupancy Prediction from Images,
      A. Vobecký, O. Siméoni, D. Hurych, S. Gidaris, A. Bursuc, P. Perez and J. Sivic
      NeurIPS 2023 paper page code
  • 12/23 I had the honour to give a talk at 46th PRCV Colloquium about object localization .
  • 10/23 CLIP-DIY is accepted at WACV'24. Congrats Monika Wysoczanska! >>
    • CLIP-DIY: CLIP Dense Inference Yields Open-Vocabulary Semantic Segmentation For-Free,
      M. Wysoczańska, M. Ramamonjisoa, T. Trzciński and O. Siméoni.
      WACV 2024 paper code
  • 10/23 Our survey about Unsupervised Object Localization w. SSL ViTs is out ! paper awesome page
  • 10/23 I am Logistic Chair @ICCV'23, see you in Paris!
  • 09/23 Keynote talk at ECMLPKDD Workshop "Adapting to Change" .
  • 07/23 Our paper SeedAL is accepted at ICCV'23. >>
    • You Never Get a Second Chance To Make a Good First Impression: Seeding Active Learning for 3D Semantic Segmentation,
      N. Samet, O. Siméoni, G. Puy, G. Ponimatkin, R. Marlet and V. Lepetit.
      ICCV 2023 paper code
  • 06/23 Our tutorial @CVPR'23 about object localization for free is now online .
  • 03/23 The code and demo of our paper FOUND are out.
  • 02/23 Our tutorial about unsupervised object localization is accepted at CVPR'23, check it out!
  • 02/23 FOUND (running at 80 FPS) for unsupervised object localization is accepted at CVPR'23. >>
    • Unsupervised Object Localization: Observing the Background to Discover Objects,
      O. Siméoni, C. Sekkat, G. Puy, A. Vobecky, E. Zablocki and P. Pérez.
      CVPR 2023 page paper code demo
  • 11/22 I had the honor to be invited jury member at the excellent PhD defense of Huy V. Vo. Congrats Huy !
  • 06/22 Two papers (incl. one oral) accepted to ECCV'22. >>
    • Drive&Segment: Unsupervised Semantic Segmentation of Urban Scenes via Cross-modal Distillation,
      A. Vobecky, D. Hurych, O. Siméoni, S. Gidaris, A. Bursuc, P. Pérez and J. Sivic.
      ECCV 2022 (oral) page paper code
    • Active Learning Strategies for Weakly-Supervised Object Detection,
      H. V. Vo, O. Siméoni, S. Gidaris, A. Bursuc, P. Pérez and J. Ponce.
      ECCV 2022 page paper code
  • 04/22 I am an Emergency Reviewer at ECCV'22.
  • 03/22 I am an Outstanding Reviewer at CVPR'22.
  • 11/21 The code of our paper LOST is out here.
  • 09/21 Our paper LOST accepted to BMVC'21. >>
    • Localizing Objects with Self-Supervised Transformers and no Labels,
      Oriane Siméoni, Gilles Puy, Huy V Vo, Simon Roburin, Spyros Gidaris, Andrei Bursuc, Patrick Pérez, Renaud Marlet, Jean Ponce.
      BMVC 2021 paper code

    • Activities


    • [09/23] I am a Logistic Chair at ICCV'23, Paris, France.
    • [06/23] Organization of the CVPR'23 Tutorial object localization for free, Vancouver, Canada.
    • [01/23] Organization of valeo.ai internal workshop VAST, Paris, France.
    • Conference Area Chair: ECCV [2024], CVPR [2025], ICCV [2025]
    • Outstanding reviewer award CVPR'22
    • Active conference reviewer: CVPR [2020-2024], ECCV [2022], ICCV [2023], NeurIPSW [2021]
    • Active journal reviewer: TPAMI [2021-2023], IJCV [2022-2024], CVIU [2022-2023], IEEE RA [2020]
    • PhD jury member: Huy V. Vo (invited member, 2022), Romain Loiseau (examiner, 2023)

    Talks


    Material noted are licensed under the Creative Commons BY-NC-SA 4.0 International License. They may be used for purposes that are not lucrative.

    Research


    DINOv3

     Oriane Siméoni, Huy V. Vo, Maximilian Seitzer, Federico Baldassarre, Maxime Oquab, Cijo Jose, Vasil Khalidov, Marc Szafraniec, Seungeun Yi, Michaël Ramamonjisoa, Francisco Massa, Daniel Haziza, Luca Wehrstedt, Jianyuan Wang, Timothée Darcet, Théo Moutakanni, Leonel Sentana, Claire Roberts, Andrea Vedaldi, Jamie Tolan, John Brandt, Camille Couprie, Julien Mairal, Hervé Jégou, Patrick Labatut, Piotr Bojanowski
    arxiv, 2025
    paper code BibTeX
    @inproceedings{simeoni25dinov3,
     title={DINOv3},
     author={Sim{\'e}oni, Oriane and Vo, Huy V and Seitzer, Maximilian and Baldassarre, Federico and Oquab, Maxime and Jose, Cijo and Khalidov, Vasil and Szafraniec, Marc and Yi, Seungeun and Ramamonjisoa, Micha{\"e}l and Massa, Francisco and Haziza, Daniel and Wehrstedt, Luca and Wang, Jianyuan and Darcet, Timoth{\'e}e and Moutakanni, Th{\'e}o and Sentana, Leonel and Roberts, Claire and Vedaldi, Andrea and Tolan, Jamie and Brandt, John and Couprie, Camille and Mairal, Julien and J{\'e}gou, Herv{\'e} and Labatut, Patrick and Bojanowski, Piotr}  journal={arXiv preprint arXiv:2508.10104},
     year={2025} }

    DINOv2 Meets Text: A Unified Framework for Image- and Pixel-Level Vision-Language Alignment

     Cijo Jose, Théo Moutakanni, Dahyun Kang, Federico Baldassarre, Timothée Darcet, Hu Xu, Daniel Li, Marc Szafraniec, Michaël Ramamonjisoa, Maxime Oquab, Oriane Siméoni, Huy V. Vo, Patrick Labatut, Piotr Bojanowski
    CVPR, 2025
    paper code BibTeX
    @inproceedings{jose2025dinotxt,
     title={DINOv2 Meets Text: A Unified Framework for Image- and Pixel-Level Vision-Language Alignment},
     author={Jose, Cijo and Moutakanni, Th\'eo and Kang, Dahyun and Baldassarre, Federico and Darcet, Timoth\'ee and Xu, Hu and Li, Daniel and Szafraniec, Marc and Ramamonjisoa, Micha\"el and Oquab, Maxime and Sim\'eoni, Oriane and Vo, Huy V. and Labatut, Patrick and Bojanowski, Piotr},
     booktitle={CVPR},
     year={2025} }

    Three Pillars improving Vision Foundation Model Distillation for Lidar

     Gilles Puy, Spyros Gidaris, Alexandre Boulch, Oriane Siméoni, Corentin Sautier, Patrick Pérez, Andrei Bursuc, Renaud Marlet
    CVPR, 2024
    paper code BibTeX
    @inproceedings{puy24scalr,
     title={Three Pillars improving Vision Foundation Model Distillation for Lidar},
     author={Puy, Gilles and Gidaris, Spyros and Boulch, Alexandre and Sim\'eoni, Oriane and Sautier, Corentin and P\'erez, Patrick and Bursuc, Andrei and Marlet, Renaud},
     booktitle={CVPR},
     year={2024} }

    CLIP-DINOiser: Teaching CLIP a few DINO tricks

     Monika Wysoczańska, Oriane Siméoni, Michaël Ramamonjisoa, Andrei Bursuc, Tomasz Trzciński and Patrick Pérez
    ECCV, 2024
    paper page code BibTeX
    @article{wysoczanska2023clipdino,
     title={CLIP-DINOiser: Teaching CLIP a few DINO tricks},
     author={Wysocza{\'n}ska, Monika and Sim{\'e}oni, Oriane and Ramamonjisoa, Micha{\"e}l and Bursuc, Andrei and Trzci{\'n}ski, Tomasz and P{\'e}rez, Patrick},
     journal={arXiv preprint arXiv:2312.12359},
     year={2023}
    }

    Unsupervised Object Localization in the Era of Self-Supervised ViTs: A Survey

     Oriane Siméoni, Eloi Zablocki, Spyros Gidaris, Gilles Puy and Patrick Pérez
    IJCV, 2024
    paper Awesome page BibTeX
    @article{simeoni2023unsupervised,
     title={Unsupervised Object Localization in the Era of Self-Supervised ViTs: A Survey},
     author={Sim{\'e}oni, Oriane and Zablocki, {\'E}loi and Gidaris, Spyros and Puy, Gilles and P{\'e}rez, Patrick},
     journal={arXiv preprint arXiv:2310.12904},
     year={2023}
    }

    CLIP-DIY: CLIP Dense Inference Yields Open-Vocabulary Semantic Segmentation For-Free

     Monika Wysoczańska, Michaël Ramamonjisoa, Tomasz Trzciński, Oriane Siméoni
    WACV, 2024
    paper code BibTeX
    @inproceedings{wysoczanska2023clipdiy,
     title={CLIP-DIY: CLIP Dense Inference Yields Open-Vocabulary Semantic Segmentation For-Free},
     author={Wysocza{\'n}ska, Monika and Ramamonjisoa, Micha{\"e}l and Trzci{\'n}ski, Tomasz and Sim{\'e}oni, Oriane},
     journal={IEEE Winter Conference on Applications of Computer Vision (WACV)},
     year={2024}
    }

    POP-3D: Open-Vocabulary 3D Occupancy Prediction from Images

     Antonín Vobecký, Oriane Siméoni, David Hurych, Spyros Gidaris, Andrei Bursuc, Patrick Perez, Josef Sivic
    NeurIPS, 2023
    paper page code BibTeX
    @inproceedings{vobecky2023pop3d,
     title={POP-3D: Open-Vocabulary 3D Occupancy Prediction from Images},
     author={Wysocza{\'n}ska, Monika and Ramamonjisoa, Micha{\"e}l and Trzci{\'n}ski, Tomasz and Sim{\'e}oni, Oriane},
     journal={IEEE Winter Conference on Applications of Computer Vision (WACV)},
     year={2024}
    }

    MOCA: Self-supervised Representation Learning by Predicting Masked Online Codebook Assignments

     Spyros Gidaris, Andrei Bursuc, Oriane Simeoni, Antonin Vobecky, Nikos Komodakis, Matthieu Cord, Patrick Pérez
    arxiv, 2023
    paper BibTeX
    @article{gidaris2023moca,
     title={MOCA: Self-supervised Representation Learning by Predicting Masked Online Codebook Assignments},
     author={Gidaris, Spyros and Bursuc, Andrei and Simeoni, Oriane and Vobecky, Antonin and Komodakis, Nikos and Cord, Matthieu and P{\'e}rez, Patrick},
     journal={arXiv preprint arXiv:2307.09361},
     year={2023}
    }

    You Never Get a Second Chance To Make a Good First Impression: Seeding Active Learning for 3D Semantic Segmentation

     Nermin Samet, Oriane Siméoni, Gilles Puy, Georgy Ponimatkin, Renaud Marlet and Vincent Lepetit
    ICCV, 2023
    paper code BibTeX
    @inproceedings{samet2023seedal,
     author = {Samet, Nermin and Sim{\'e}oni, Oriane and Puy,Gilles and Ponimatkin, Georgy and Marlet,Renaud and Lepetit, Vincent},
     title = {You Never Get a Second Chance To Make a Good First Impression: Seeding Active Learning for 3D Semantic Segmentation},
     booktitle = {IEEE International Conference on Computer Vision (ICCV)},
     year = {2023},
    }

    Unsupervised Object Localization: Observing the Background to Discover Objects

     Oriane Siméoni, Chloé Sekkat, Gilles Puy, Antonin Vobecky, Eloi Zablocki and Patrick Pérez
    CVPR, 2023
    page paper code demo BibTeX
    @inproceedings{simeoni2023found,
     author = {Sim{\'e}oni, Oriane and Sekkat, Chlo{\'e} and Puy, Gilles and Vobecky, Antonin and Zablocki, {\'E}loi and P{\'e}rez, Patrick},
     title = {Unsupervised Object Localization: Observing the Background to Discover Objects},
     booktitle = {IEEE Conference on Computer Vision and Pattern Recognition, {CVPR}},
     year = {2023},
    }

    Active Learning Strategies for Weakly-Supervised Object Detection

     Huy V. Vo, Oriane Siméoni, Spyros Gidaris, Andrei Bursuc, Patrick Pérez and Jean Ponce
    ECCV, 2022
    page paper code BibTeX
    @inproceedings{vo2022bib,
     title = {Active Learning Strategies for Weakly-Supervised Object Detection},
     author = {Vo, Huy V. and Sim{\'e}oni, Oriane and Gidaris, Spyros and Bursuc, Andrei and P{\'e}rez, Patrick and Ponce, Jean},
     journal = {Proceedings of the European Conference on Computer Vision {(ECCV)}},
     month = {October},
     year = {2022}
    }

    Drive&Segment: Unsupervised Semantic Segmentation of Urban Scenes via Cross-modal Distillation

     Antonin Vobecky, David Hurych, Oriane Siméoni, Spyros Gidaris, Andrei Bursuc, Patrick Pérez and Josef Sivic
    ECCV, 2022 (oral presentation)
    page paper code BibTeX
    @inproceedings{vobecky2022drivesegment,
     title={Drive&Segment: Unsupervised Semantic Segmentation of Urban Scenes via Cross-modal Distillation},
     author={Antonin Vobecky and David Hurych and Oriane Sim{\'e}oni and Spyros Gidaris and Andrei Bursuc and Patrick P{\'e}rez and Josef Sivic},
     journal = {Proceedings of the European Conference on Computer Vision {(ECCV)}},
     month = {October},
     year = {2022}
    }

    Localizing Objects with Self-Supervised Transformers and no Labels

     Oriane Siméoni, Gilles Puy, Huy V Vo, Simon Roburin, Spyros Gidaris, Andrei Bursuc, Patrick Pérez, Renaud Marlet and Jean Ponce
    BMVC, 2021
    paper code BibTeX
    @inproceedings{simeoni2021LOST,
     title = {Localizing Objects with Self-Supervised Transformers and no Labels},
     author = {Oriane Sim\'eoni and Gilles Puy and Huy V. Vo and Simon Roburin and Spyros Gidaris and Andrei Bursuc and Patrick P\'erez and Renaud Marlet and Jean Ponce},
     journal = {Proceedings of the British Machine Vision Conference (BMVC)},
     month = {November},
     year = {2021}
    }

    Robust image representation for classification, retrieval and object discovery

     Oriane Siméoni
    PhD thesis
    thesis BibTeX
    @phdthesis{simeoni2020robust,
     title={Robust image representation for classification, retrieval and object discovery},
     author={Sim{\'e}oni, Oriane},
     year={2020},
     school={Rennes 1}
    }

    Rethinking deep active learning: Using unlabeled data at model training

     Oriane Siméoni, Mateusz Budnik, Yannis Avrithis and Guillaume Gravier
    ICPR, 2020
    paper code BibTeX
    @inproceedings{simeoni2020rethinking,
     title = {Rethinking deep active learning: Using unlabeled data at model training},
     author = {Oriane Sim\'eoni and Mateusz Budnik and Yannis Avrithis and Guillaume Gravier},
     booktitle = {Proceedings of International Conference on Pattern Recognition (ICPR)},
     month = {December},
     address = {Virtual},
     year = {2020}
    }

    Local Features and Visual Words Emerge in Activations

     Oriane Siméoni, Yannis Avrithis and Ondrej Chum
    CVPR, 2019
    paper code BibTeX
    @inproceedings{simeoni2019SAC,
     author = {Sim{\'e}oni Oriane and Avrithis, Yannis and Chum, Ondrej},
     title = {Local Features and Visual Words Emerge in Activations},
     booktitle = {CVPR},
     year = {2019}
    }

    Graph-based particular object discovery

     Oriane Siméoni, Ahmet Iscen, Giorgos Tolias, Yannis Avrithis and Ondrej Chum
    MVA, 2019
    paper BibTeX
    @article{simeoni2019graph,
     title={Graph-based particular object discovery},
     author={Sim{\'e}oni, Oriane and Iscen, Ahmet and Tolias, Giorgos and Avrithis, Yannis and Chum, Ond{\v{r}}ej},
     journal={Machine Vision and Applications},
     volume={30},
     number={2},
     pages={243--254},
     year={2019},
     publisher={Springer}
    }

    Unsupervised object discovery for instance recognition

     Oriane Siméoni, Ahmet Iscen, Giorgos Tolias, Yannis Avrithis and Ondrej Chum
    WACV, 2018
    paper video BibTeX
    @inproceedings{simeoni2018uod,
     title={Unsupervised object discovery for instance recognition},
     author={Sim{\'e}oni, Oriane and Iscen, Ahmet and Tolias, Giorgos and Avrithis, Yannis and Chum, Ondrej},
     journal={IEEE Winter Conference on Applications of Computer Vision (WACV)},
     year={2018}
    }

    Tracking global gene expression responses in T cell differentiation

     Oriane Siméoni, Vincent Piras, M. Tomita and Kumar Selvarajoo
    Gene, 2015
    paper BibTeX
    @article{simeoni2015tracking,
     title={Tracking global gene expression responses in T cell differentiation},
     author={Simeoni, Oriane and Piras, Vincent and Tomita, Masaru and Selvarajoo, Kumar},
     journal={Gene},
     volume={569},
     number={2},
     pages={259--266},
     year={2015},
     publisher={Elsevier}
    }

    Longer Presentation


    I am currently working as a Research Scientist in the research team valeo.ai, focusing on perception issues. My research focuses on computer vision. I study methods to compute robust visual representations whilst having the aim of using less supervision and exploiting more available data. In particular I have worked on classification, detection and retrieval tasks. I am interested in image representation, multimodal learning and machine learning in general.

    I have defended my PhD on the 10th of September 2020 (delayed due to COVID). I have had the honor of been reviewed by Pr. Patrick Pérez and Pr. Josef Sivic and examined by Pr. Cordelia Schmid, Dr. Hervé Jégou, Dr. Diane Larlus, Dr. Elisa Fromont and Dr. Ondřej Chum (as invited member). I have performed my PhD at Inria Rennes--Bretagne Atlantique under the supervision of Yannis Avrithis and Guillaume Gravier. During my PhD, I have performed two internships at Twitter and Google and visited the Visual Recognition Group (CVUT).

    Last updated: 29th of May 2024

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