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About us Practical matters How to find us M.A. (Matias) Valdenegro Toro, Dr

M.A. (Matias) Valdenegro Toro, Dr

Assistant Professor of Machine Learning

Faculty of Science and Engineering

Telephone:

+31 50 36 36533

E-mail:

m.a.valdenegro.toro rug.nl

ORCID Research Portal

Research interests

My research interests are in building trustworthy machine learning models with real-world data for several applications, including medical AI and Robotics. These relate to Uncertainty Estimation, Computer Vision, and Explainable AI.

Publications

Adaptive Prompt Tuning: Vision Guided Prompt Tuning with Cross-Attention for Fine-Grained Few-Shot Learning

Brouwer, E., Woerden, J. E. V., Burghouts, G., Valdenegro-Toro, M. & Zullich, M., 2025, Proceedings of the 20th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications. Vol. 2. p. 114-125 12 p. (Proceedings of the International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Can Bayesian Neural Networks Explicitly Model Input Uncertainty?

Valdenegro-Toro, M. & Zullich, M., 2025, Proceedings of the 20th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 3 VISAPP: VISAPP. Bashford-Rogers, T., Meneveaux, D., Ammi, M., Ziat, M., Jänicke, S., Purchase, H., Radeva, P., Furnari, A., Bouatouch, K. & Sousa, A. A. (eds.). SCITEPRESS – Science and Technology Publications, Vol. 3. p. 188-199 12 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Cross-Lingual Document Recommendations with Transformer-Based Representations: Evaluating Multilingual Models and Mapping Techniques

Tashu, T. M., Kontos, E. R., Sabatelli, M. & Valdenegro-Toro, M., 2025, COLING 2025 - SUMEval 2025: 2nd Workshop on Scaling Up Multilingual and Multi-Cultural Evaluation, Proceedings of the Workshop. ACL, p. 39-47 9 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Know What You do Not Know: Verbalized Uncertainty Estimation Robustness on Corrupted Images in Vision-Language Models

Borszukovski, M., de Jong, I. P. & Valdenegro-Toro, M., 4-Apr-2025, (Submitted) arXiv, 19 p.

Research output: Working paper › Preprint › Academic

Large-Image Object Detection for Fine-Grained Recognition of Punches Patterns in Medieval Panel Painting

Bruegger, J., Cătană, D. I., Macovaz, V., Valdenegro-Toro, M., Sabatelli, M. & Zullich, M., 2025, Artificial Intelligence in Music, Sound, Art and Design - 14th International Conference, EvoMUSART 2025, Held as Part of EvoStar 2025, Proceedings. Machado, P., Johnson, C. & Santos, I. (eds.). Springer Science and Business Media Deutschland GmbH, p. 34-50 17 p. (Lecture Notes in Computer Science; vol. 15611 LNCS).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Modeling of AUV Dynamics with Limited Resources: Efficient Online Learning Using Uncertainty

Tešnar, M., Wehbe, B. & Valdenegro-Toro, M., 11-Aug-2025, OCEANS 2025 Brest. Institute of Electrical and Electronics Engineers Inc., 9 p. (Oceans Conference Record (IEEE)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

NLP Methods May Actually Be Better Than Professors at Estimating Question Difficulty

Zotos, L., de Jong, I. P., Valdenegro-Toro, M., Sburlea, A. I., Nissim, M. & van Rijn, H., 5-Aug-2025, (Submitted) 2nd International Workshop on AI in Society, Education and Educational Research (AISEER). CEUR Workshop Proceedings, 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Out of sight, but not out of mind: Key issues regarding seafloor macrolitter monitoring: Issued by the expert community “International Seafloor Macrolitter Imaging and Quantification”

Hanke, G., Canals, M., Nakajima, R., Bergmann, M., Galgani, F., Li, D., Papatheodorou, G., Pham, C. K., Amon, D. J., Angiolillo, M., Buhl-Mortensen, L., Cau, A., Consoli, P., Davies, J. S., Dominguez-Carrió, C., Duarte, C. M., Giorgetti, A., Grøsvik, B. E., Gutow, L. & Huvenne, V. A. I., Ioakeimidis, C., Komorin, V., Liu, G., Lundsten, L., Makarenko, I., Martynova, A., Jack, M. E. M., Nattkemper, T. W., Palacz, A. P., Palma, M., Pierdomenico, M., Pogojeva, M., Ruiz, M., Ruiz-Orejón, L. F., Russell, J., Shan, X., Valdenegro-Toro, M., Vinci, M., Wei, N., Woodall, L. C. & Zhang, S., Dec-2025, In: Marine Pollution Bulletin. 221, 6 p., 118500.

Research output: Contribution to journal › Article › Academic › peer-review

Sanity Checks for Explanation Uncertainty

Valdenegro-Toro, M. & Mulye, M., 12-May-2025, Computer Vision – ECCV 2024 Workshops, Proceedings. Del Bue, A., Canton, C., Pont-Tuset, J. & Tommasi, T. (eds.). Springer Science and Business Media Deutschland GmbH, Vol. 15639. p. 255-270 16 p. (Lecture Notes in Computer Science; vol. 15639 LNCS).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Uncertainty Estimation for Super-Resolution Using ESRGAN

Adapa, M. S., Zullich, M. & Valdenegro-Toro, M., 2025, Proceedings of the 20th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications. SciTePress, Vol. 2. p. 367-374 8 p. (Proceedings of the International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

All (32) publications

Press/media

Participation in Podcast "Hacia Afuera"

Valdenegro Toro, M.

06/01/2023

Press/Media: Public Engagement Activities › Professional

All (1) press/media

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