Joint reconstruction and low-rank decomposition for dynamic inverse problems
A primary interest in dynamic inverse problems is to identify the underlying temporal
behaviour of the system from outside measurements. In this work we consider the case …
behaviour of the system from outside measurements. In this work we consider the case …
STEMPO—Dynamic X-Ray Tomography Phantom
T Heikkilä - … Workshop: Advanced Techniques in Optimization for …, 2022 - Springer
This is the documentation for the Spatio-TEmporal Motor-POwered (STEMPO) phantom for
dynamic X-ray tomography. Different measurements designed for testing dynamic …
dynamic X-ray tomography. Different measurements designed for testing dynamic …
Maoeriocalysins A–D, four novel ent-kaurane diterpenoids from Isodon eriocalyx and their structure determination utilizing quantum chemical calculation in …
Q Yang, K Hu, BC Yan, M Liu, XN Li, HD Sun… - Organic Chemistry …, 2019 - pubs.rsc.org
Maoeriocalysin A (1), a novel rearranged ent-kaurane diterpenoid with an unprecedented 4,
5-seco-3, 5-cyclo-7, 20-epoxy-ent-kaurane scaffold, together with three rare 9, 10-seco-7, 20 …
5-seco-3, 5-cyclo-7, 20-epoxy-ent-kaurane scaffold, together with three rare 9, 10-seco-7, 20 …
[HTML][HTML] Application of sigmoidal optimization to reconstruct nuclear medicine image: Comparison with filtered back projection and iterative reconstruction method
HB Shin, MS Kim, M Law, SK Djeng, MG Choi… - Nuclear Engineering …, 2021 - Elsevier
High levels for noise and a loss of true signal make the quantitative interpretation of nuclear
medicine (NM) images difficult. An application of profile optimization using a sigmoidal …
medicine (NM) images difficult. An application of profile optimization using a sigmoidal …
[HTML][HTML] Spatio-temporal regularization methods for sparse dynamic tomography
T Heikkilä - 2024 - helda.helsinki.fi
X-ray computed tomography (CT) is a non-destructive imaging technique widely used in
medical diagnostic, research and industry. How and when it is possible to obtain images …
medical diagnostic, research and industry. How and when it is possible to obtain images …
Dynamic PET cardiac and parametric image reconstruction: a fixed-point proximity gradient approach using patch-based DCT and tensor SVD regularization
Our aim was to enhance visual quality and quantitative accuracy of dynamic positron
emission tomography (PET) uptake images by improved image reconstruction, using …
emission tomography (PET) uptake images by improved image reconstruction, using …