Olli Nykänen
Postdoctoral Researcher
Department of Technical Physics, Faculty of Science, Forestry and Technology
[email protected] | +358 50 505 6724
Research groups
Publications
22/22 items-
Compressed sensing acceleration of radial 3-D alternatingLook-Locker T1 mapping
Aarnio, Antti; Nykänen, Olli; Kolehmainen, Ville; Nissi, Mikko J, 2025, Magnetic resonance in medicine, 94, 5, 2258-2267. A1 Journal article (refereed), original research -
Correlations of T1ρ With Properties of Articular Cartilage Depend on the Spin‐Lock Amplitude and Orientation of the Sample
Hänninen, Nina E; Stavenuiter, Isabel; Nykänen, Olli; Nissi, Mikko J, 2025, Journal of orthopaedic research, 43, 7, 1259-1268. A1 Journal article (refereed), original research -
Orientation-Independent T2 Mapping Enhances MRI-Based Cartilage Characterization
Leskinen, Henri P P; Tuppurainen, Juuso; Jäntti, Jiri; Mäkelä, Janne T A; Nippolainen, Ervin; Afara, Isaac O; Töyräs, Juha; Nykänen, Olli; Nissi, Mikko J, 2025, Annals of biomedical engineering, 53, 9, 2120-2130. A1 Journal article (refereed), original research -
Measurement of T1ρ dispersion with compressed sensing and magnetization prepared radial balanced steady‐state free precession in spontaneous human osteoarthritis
Pala, S; Paajanen, A; Ristaniemi, A; Nippolainen, E; Afara, IO; Nykänen, O; Nissi, MJ, 2024, Magnetic resonance in medicine, 92, 5, 2127-2139. A1 Journal article (refereed), original research -
3-D T1 relaxation time measurements in an equine model of subtle post-traumatic osteoarthritis using MB-SWIFT
Pala, Swetha; Hänninen, Nina E; Mohammadi, Ali; Ebrahimi, Mohammadhossein; te Moller, Nikae CR; Brommer, Harold; René van Weeren, P; Mäkelä, Janne TA; Korhonen, Rami K; Afara, Isaac O; Töyräs, Juha; Mikkonen, Santtu; Nissi, Mikko J; Nykänen, Olli, 2023, Journal of orthopaedic research, 41, 12, 2657-2666. A1 Journal article (refereed), original research -
Fast Compressed Sensing of 3D Radial T1 Mapping with Different Sparse and Low-Rank Models
Paajanen, Antti; Hanhela, Matti; Hänninen, Nina; Nykänen, Olli; Kolehmainen, Ville; Nissi, Mikko J, 2023, Journal of imaging, 9, 8, 151. A1 Journal article (refereed), original research -
Deep-Learning-based contrast synthesis from MRF parameter maps in the knee
Nykänen, Olli; Nevalainen, Mika; Casula, Victor; Isosalo, Antti; Inkinen, Satu I.; Nikki, Marko; Lattanzi, Riccardo; Cloos, Martijn A.; Nissi, Mikko J.; Nieminen, Miika T., 2022, International society for magnetic resonance in medicine annual meeting. Abstract -
Deep‐Learning‐Based Contrast Synthesis From MRF Parameter Maps in the Knee Joint
Nykänen, Olli; Nevalainen, Mika; Casula, Victor; Isosalo, Antti; Inkinen, Satu I.; Nikki, Marko; Lattanzi, Riccardo; Cloos, Martijn A.; Nissi, Mikko J.; Nieminen, Miika T., 2022, Journal of magnetic resonance imaging, [First published: 23 December 2022], 1-10. A1 Journal article (refereed), original research -
Machine Learning Prediction of Collagen Fiber Orientation and Proteoglycan Content From Multiparametric Quantitative MRI in Articular Cartilage
Mirmojarabian, Seyed Amir; Kajabi, Abdul Wahed; Ketola, Juuso HJ; Nykänen, Olli; Liimatainen, Timo; Nieminen, Miika T; Nissi, Mikko J; Casula, Victor, 2022, Journal of magnetic resonance imaging, 2023; 57, 4, 1056-1068. A1 Journal article (refereed), original research -
New methods for robust continuous wave T1ρ relaxation preparation
Pala, Swetha; Hänninen, Nina E; Nykänen, Olli; Liimatainen, Timo; Nissi, Mikko J, 2022, Nmr in biomedicine, 2023; 36, 2, e4834. A1 Journal article (refereed), original research