Personal profile
Research
My research interests lies within mathematical analysis, in particular the application of convex analysis and calculus of variations to problems from image processing, image restoration and compressed sensing.
I am also involved in research concerning application of machine learning methods and deep learning to problems in medical image analysis.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being
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Collaborations the last five years
Research output
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Dual energy CT and deep learning for an automated volumetric segmentation of the major intracranial tissues: Feasibility and initial findings
Fransson, V., Winzell, F., Ramgren, B., Christensen, S., Ydström, K., Arvidsson, I., Overgaard, N. C., Åström, K., Heyden, A. & Wassélius, J., 2026 Jan, In: Medical Physics. 53, 1, e70217.Research output: Contribution to journal › Article › peer-review
Open Access -
Longitudinal outcome prediction of prostate cancer patients on active surveillance using multiple instance learning
Winzell, F., Arvidsson, I., Åström, K., Overgaard, N. C., Marginean, F. E., Simoulis, A., Bjartell, A., Krzyzanowska, A. & Heyden, A., 2025 Oct 14, In: Journal of Medical Imaging. 12, 6, 061408.Research output: Contribution to journal › Article › peer-review
Open Access -
Outcome prediction of prostate cancer patients on active surveillance using weakly supervised deep learning
Winzell, F., Arvidsson, I., Åström, K., Overgaard, N. C., Marginean, F.-E., Simoulis, A., Bjartell, A., Krzyzanowska, A. & Heyden, A., 2025 Apr 10, Medical Imaging 2025: Digital and Computational Pathology. Tomaszewski, J. E. & Ward, A. D. (eds.). SPIE, Vol. 13413.Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review
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Breast cancer classification in point-of-care ultrasound imaging—the impact of training data
Karlsson, J., Arvidsson, I., Sahlin, F., Åström, K., Overgaard, N. C., Lång, K. & Heyden, A., 2025 Jan 1, In: Journal of Medical Imaging. 12, 1, p. 1-16 014502.Research output: Contribution to journal › Article › peer-review
Open Access -
Towards Out-of-Distribution Detection for Breast Cancer Classification in Point-of-Care Ultrasound Imaging
Karlsson, J., Wodrich, M., Overgaard, N. C., Sahlin, F., Lång, K., Heyden, A. & Arvidsson, I., 2025, Pattern Recognition - 27th International Conference, ICPR 2024, Proceedings, Part XIII. Antonacopoulos, A., Chaudhuri, S., Chellappa, R., Liu, C.-L., Bhattacharya, S. & Pal, U. (eds.). Springer Science and Business Media B.V., p. 49-63 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 15313 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review
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Partial Differential Equations
Svensson S, D. (Researcher), Bennewitz, C. (Researcher), Birken, P. (Researcher), Dencker, N. (Researcher), Diehl, S. (Researcher), Holst, A. (Researcher), Maad Sasane, S. (Researcher), Nilsson, D. (Researcher), Overgaard, N. C. (Researcher), Persson Sundqvist, M. (Researcher), Pettersson, P. (Researcher), Sopasakis, A. (Researcher), Wahlén, E. (Researcher) & Wittsten, J. (Researcher)
1990/01/01 → …
Project: Research
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Mathematical Imaging Group
Ahrnbom, M. (Researcher), Batstone, K. J. (Researcher), Nilsson, D. (Researcher), Palmér, T. (Researcher), Pirinen, A. (Researcher), Simayijiang, Z. (Researcher), Solem, J. E. (Researcher), Sparr, G. (Researcher), Wadenbäck, M. (Researcher), Andersson, F. (Researcher), Ardö, H. (Researcher), Burgess, S. (Researcher), Bylow, E. (Researcher), Enqvist, O. (Researcher), Fredriksson, J. (Researcher), Heyden, A. (Researcher), Kahl, F. (Researcher), Källén, H. (Researcher), Landgren, M. (Researcher), Larsson, V. (Researcher), Nilsson, M. (Researcher), Olsson, C. (Researcher), Oskarsson, M. (Researcher), Overgaard, N. C. (Researcher), Sminchisescu, C. (Researcher) & Åström, K. (Researcher)
1989/01/01 → …
Project: Research
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Breast Cancer Diagnostics in Low Resource Settings Using Point of Care Ultrasound and Deep Learning
Arvidsson, I. (PI), Lång, K. (CoPI), Karlsson, J. (Researcher), Heyden, A. (Researcher), Overgaard, N. C. (Researcher) & Sahlin, F. (Researcher)
Analytic Imaging Diagnostics Arena, AIDA
2024/01/01 → 2024/12/31
Project: Research
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Deep learning based evaluation of coronary artery disease and estimation of quantitative coronary angiography using myocardial perfusion imaging
Arvidsson, I. (Researcher), Ochoa-Figueroa, M. (Researcher), Åström, K. (Researcher), Heyden, A. (Researcher) & Overgaard, N. C. (Researcher)
2023/01/01 → 2024/12/31
Project: Research
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eSSENCE@LU 8:7 - Breast cancer diagnosis using pocket-sized ultrasound device and Deep Learning
Heyden, A. (PI), Lång, K. (PI), Karlsson, J. (Research student), Arvidsson, I. (Researcher), Overgaard, N. C. (Researcher) & Åström, K. (Researcher)
2022/01/01 → 2023/12/31
Project: Research