Dynamic inverse problems: Online regularisation theory
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866917532224454656 |
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| author | Jauhiainen, Jyrki Nabou, Yassine Valkonen, Tuomo |
| author_facet | Jauhiainen, Jyrki Nabou, Yassine Valkonen, Tuomo |
| contents | We develop regularisation theory for dynamic inverse problems, solved using online methods with an infinite time horizon. Using concepts of subregularity to treat nonsmooth regularisers, we prove that time-averaged reconstruction errors converge to zero as noise, algorithmic errors, and regularisation vanish as the horizon grows. We illustrate the theory numerically with a dynamic electrical impedance tomography example. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_26022 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Dynamic inverse problems: Online regularisation theory Jauhiainen, Jyrki Nabou, Yassine Valkonen, Tuomo Numerical Analysis Optimization and Control We develop regularisation theory for dynamic inverse problems, solved using online methods with an infinite time horizon. Using concepts of subregularity to treat nonsmooth regularisers, we prove that time-averaged reconstruction errors converge to zero as noise, algorithmic errors, and regularisation vanish as the horizon grows. We illustrate the theory numerically with a dynamic electrical impedance tomography example. |
| title | Dynamic inverse problems: Online regularisation theory |
| topic | Numerical Analysis Optimization and Control |
| url | https://arxiv.org/abs/2605.26022 |