• PL 68 (Pietari Kalmin katu 5)




Research output per year

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Personal profile

Education/Academic qualification

Mathematics, Ph.D.

1 Jan 201331 Dec 2015

Fields of Science

  • 111 Mathematics
  • Inverse problems
  • Computed tomography
  • Shearlets
  • Regularization

International and National Collaboration Publications and projects within past five years.


  • 6 Article
  • 1 Conference contribution

Simultaneous reconstruction of emission and attenuation in passive gamma emission tomography of spent nuclear fuel

Backholm, R., Bubba, T. A., Bélanger-Champagne, C., Helin, T., Dendooven, P. & Siltanen, S., Apr 2020, In : Inverse problems and imaging. 14, 2, p. 317-337 21 p.

Research output: Contribution to journalArticleScientificpeer-review

Sparse dynamic tomography: a shearlet-based approach for iodine perfusion in plant stems

Bubba, T., Heikkilä, T., Help, H., Huotari, S., Salmon, Y. & Siltanen, S., 1 Sep 2020, In : Inverse Problems. 36, 9, 34 p., 094002.

Research output: Contribution to journalArticleScientificpeer-review

Learning the invisible: a hybrid deep learning-shearlet framework for limited angle computed tomography

Bubba, T. A., Kutyniok, G., Lassas, M., März, M., Samek, W., Siltanen, S. & Srinivasan, V., 30 May 2019, In : Inverse Problems. 35, 6, 38 p., 064002.

Research output: Contribution to journalArticleScientificpeer-review

Open Access

A nonsmooth regularization approach based on shearlets for Poisson noise removal in ROI tomography

Bubba, T. A., Porta, F., Zanghirati, G. & Bonettini, S., 1 Feb 2018, In : Applied Mathematics and Computation. 318, Supplement C, p. 131-152 22 p.

Research output: Contribution to journalArticleScientificpeer-review

Controlled wavelet domain sparsity for x-ray tomography

Purisha, Z., Rimpeläinen, J., Bubba, T. & Siltanen, S., Jan 2018, In : Measurement Science and Technology. 29, 1, 9 p., 014002.

Research output: Contribution to journalArticleScientificpeer-review



Non-linear tomography with active and passive radiation

Bubba, T.


Project: Research project

Centre of Excellence in Inverse Modelling and Imaging

Lassas, M., Siltanen, S., Piiroinen, P., Bubba, T., Balehowsky, T., Meaney, A., Latva-Äijö, S., Kujanpää, A., Liimatainen, T. J., Ylinen, L., Korpela, J., Helin, T., Santacesaria, M., Kyriakopoulou, D., Mach, M., Zhang, Z., Murthy, R., Dunlop, M., Rautio, S. I., Purisha, Z., Juvonen, M., Hyttinen, V., Enwald, J., Virtanen, H. J., Suomenrinne-Nordvik, A., Lehtonen, J., Ola, P., Ratti, L., Partio, H., Latva-Äijö, S., Enwald, J. & Agnelli, J. P.


Project: Research project