Personal profile
Fields of Science
- 111 Mathematics
- 112 Statistics and probability
Collaborations and top research areas from the last five years
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Recovering a (1+1)-dimensional wave equation from a single white noise boundary measurement
Blåsten, E. L. K., Helin, T., Kujanpää, A., Oksanen, L. & Railo, J., 21 Jan 2026, In: Inverse Problems. 42, 1, 26 p., 015007.Research output: Contribution to journal › Article › Scientific › peer-review
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An Unconditional Representation of the Conditional Score in Infinite-Dimensional Linear Inverse Problems
Schneider, F., Duong, D. L., Lassas, M., de Hoop, M. V. & Helin, T., 2025, In: Transactions on machine learning research. November-2025Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Laboratory experiments of model-based reinforcement learning for adaptive optics control
Nousiainen, J., Engler, B., Kasper, M., Rajani, C., Helin, T., Heritier, C. T., Quanz, S. P. & Glauser, A. M., 1 Jan 2024, In: Journal of Astronomical Telescopes, Instruments, and Systems. 10, 1, 21 p., 019001.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Advances in model-based reinforcement learning for Adaptive Optics control
Nousiainen, J., Engler, B., Kasper, M., Helin, T., Heritier, C. T. & Rajani, C., 29 Aug 2022, Adaptive Optics Systems VIII . Schreiber, L., Schmidt, D. & Vernet, E. (eds.). Washington, USA: SPIE, Vol. 12185. 10 p. (Proceedings of SPIE, the International Society for Optical Engineering).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
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FitAO: a Python-based platform for algorithmic development in AO
Krokberg, T., Nousiainen, J., Lehtonen, J. & Helin, T., 29 Aug 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). Washington, USA: SPIE, Vol. 12185. 7 p. (Proceedings of SPIE, the International Society for Optical Engineering).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
Projects
- 3 Finished
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Centre of Excellence in Inverse Modelling and Imaging
Lassas, M. (Project manager), Siltanen, S. (Principal Investigator), Piiroinen, P. (Participant), Bubba, T. (Participant), Balehowsky, T. (Participant), Meaney, A. (Participant), Kujanpää, A. (Participant), Liimatainen, T. J. (Participant), Ylinen, L. (Participant), Korpela, J. (Participant), Helin, T. (Participant), Santacesaria, M. (Participant), Kyriakopoulou, D. (Participant), Mach, M. (Participant), Zhang, Z. (Participant), Murthy, R. (Participant), Dunlop, M. (Participant), Rautio, S. I. (Participant), Purisha, Z. (Participant), Juvonen, M. (Participant), Hyttinen, V. (Participant), Virtanen, H. (Participant), Suomenrinne-Nordvik, A. (Participant), Lehtonen, J. (Participant), Ola, P. (Participant), Ratti, L. (Participant), Partio, H. (Other), Latva-Äijö, S.-M. (Participant), Enwald, J. (Participant), Tyni, T. K. (Participant), Agnelli, J. P. (Participant), Silva de Moura, F. (Participant), Oksanen, L. (Principal Investigator), Heikkilä, T. (Participant), Blåsten, E. (Participant), Lu, J. (Participant), Meyerson, R. C. (Participant), Karvonen, E. K. K. (Participant), Suonperä, E. E. M. (Participant), Jensen, B. C. S. (Participant), Valkonen, T. (Principal Investigator) & Nursultanov, M. (Participant)
01/01/2018 → 31/12/2025
Project: Research project
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SIPAT: Stochastic inverse problems in atmospheric tomography
Helin, T. (Project manager), Lehtonen, J. (Participant), Nousiainen, J. (Participant) & Zhang, Z. (Participant)
01/02/2016 → 31/12/2018
Project: University of Helsinki Three-Year Research Project
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Bayesian Inverse Problems in Banach Spaces
Bleyer, R. (Participant) & Helin, T. (Principal Investigator)
01/01/2015 → 31/12/2016
Project: Research project
Activities
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University of Cambridge
Helin, T. (Visiting researcher)
28 Jan 2018 → 2 Feb 2018Activity: Visiting an external institution types › Academic visit to other institution
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Johannes Kepler University
Helin, T. (Visiting researcher)
6 Mar 2015 → 19 Mar 2015Activity: Visiting an external institution types › Academic visit to other institution
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Institut Henri Poincaré
Helin, T. (Visiting researcher)
17 Apr 2015 → 4 May 2015Activity: Visiting an external institution types › Academic visit to other institution
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Applied Inverse Problems
Helin, T. (Speaker: Presenter)
2013 → …Activity: Participating in or organising an event types › Organisation and participation in conferences, workshops, courses, seminars