Projects per year
Personal profile
Willing to supervise doctoral students
My research interests lie at the interface of mathematical sciences and imaging. I study non-smooth regularisation approaches, convex optimisation methods and deep learning techniques for image analysis and inverse problems, among them image reconstruction, for static and dynamic targets, image classification and segmentation. I have been working on both the rigorous theoretical and computational analysis of the problems considered as well as their practical implementation and their use for real-world applications. My research over the years included interdisciplinary collaborations with physicists working on nuclear weapons safeguards, biologist experts on plant physiology and clinicians for medical projects.
What I am currently excited most about is my work on data-driven inversion and statistical inverse learning problems. This is giving me the possibility to work on mathematical aspect of machine learning, a very active area of research where sound contributions are much needed.
I am currently looking for a PhD student working on "Combined model-based and data-driven approaches for inverse problems in imaging" starting in October 2024. All info available at this link.
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Collaborations and top research areas from the last five years
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Sparsity promoting algorithms for statistical inverse learning problems
31/03/23 → 30/03/25
Project: Research council
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Convex regularization in statistical inverse learning problems
Bubba, T., Burger, M., Helin, T. & Ratti, L., 1 Dec 2023, In: Inverse Problems and Imaging. 17, 6, p. 1193-1225 33 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Downloads (Pure) -
Efficient representation of spatio-temporal data using cylindrical shearlets
Bubba, T. A., Easley, G., Heikkilä, T., Labate, D. & Ayllon, J. P. R., 30 Sept 2023, In: Journal of Computational and Applied Mathematics. 429, 115206.Research output: Contribution to journal › Article › peer-review
Open Access -
In-air and in-water performance comparison of Passive Gamma Emission Tomography with activated Co-60 rods
Virta, R., Bubba, T., Moring, M., Siltanen, S., Honkamaa, T. & Dendooven, P., 31 Dec 2023, In: Scientific Reports. 13, 1, 11 p., 16189.Research output: Contribution to journal › Article › peer-review
Open AccessFile3 Downloads (Pure) -
Passive methods for spent fuel characterisation at the Finnish geological repository
Dendooven, P., Virta, R., Tupasela, T., Tobin, S. J., Moring, M., Bubba, T. A., Siltanen, S., Kähkönen, T., Makkonen, I., Laassiri, M., Andersson, P. & Honkamaa, T., 30 Apr 2023, In: Nuovo Cimento della Societa Italiana di Fisica C. 46, 2, 47.Research output: Contribution to journal › Article › peer-review
Open Access -
Author Correction: Improved Passive Gamma Emission Tomography image quality in the central region of spent nuclear fuel (Scientific Reports, (2022), 12, 1, (12473), 10.1038/s41598-022-16642-0)
Virta, R., Bubba, T. A., Moring, M., Siltanen, S., Honkamaa, T. & Dendooven, P., 16 Dec 2022, In: Scientific Reports. 12, 1, 21761.Research output: Contribution to journal › Comment/debate › peer-review
Open Access