Riku Klén
PhD
riku.klen@utu.fi Kiinamyllynkatu 4-8 Turku ORCID identifier: https://orcid.org/0000-0002-0982-8360 |
Areas of expertise
Medical imaging, imaging instrumentation, machine learning, longitudinal analysis, geometric function theory, hyperbolic type geometries, quasiconformal mappings
Medical imaging, imaging instrumentation, machine learning, longitudinal analysis, geometric function theory, hyperbolic type geometries, quasiconformal mappings
Publications 
3 of 7
- Classification of head and neck cancer from PET images using convolutional neural networks (2023)
- Scientific Reports
(A1 Refereed original research article in a scientific journal) - COVID-19 VACCINE PROTECTION AGAINST MORTALITY IN PATIENTS WITH OXYGEN: A MULTICONTINENTAL STUDY (2023)
- Critical Care Medicine
(Other publication) - COVID-19 vaccines reduce mortality in hospitalized patients with oxygen requirements: Differences between vaccine subtypes A multicontinental cohort study (2023)
- Journal of Medical Virology
(A1 Refereed original research article in a scientific journal) - Development and validation of COEWS (COVID-19 Early Warning Score) for hospitalized COVID-19 with laboratory features: A multicontinental retrospective study (2023)
- eLife
(A1 Refereed original research article in a scientific journal) - Hybridizing machine learning in survival analysis of cardiac PET/CT imaging (2023)
- Journal of Nuclear Cardiology
(A1 Refereed original research article in a scientific journal) - Image augmentation with conformal mappings for a convolutional neural network (2023)
- Computational and Applied Mathematics
(A1 Refereed original research article in a scientific journal) - Incremental prognostic value of downstream PET perfusion imaging after coronary CT angiography (2023)
- EHJ Cardiovascular Imaging / European Heart Journal - Cardiovascular Imaging
(A1 Refereed original research article in a scientific journal) - New method of using a convolutional neural network for 2D intraprostatic tumor segmentation from PET images (2023)
- Research on Biomedical Engineering
(A1 Refereed original research article in a scientific journal) - Prognostic value of combined coronary CT angiography and myocardial perfusion imaging in women and men (2023)
- EHJ Cardiovascular Imaging / European Heart Journal - Cardiovascular Imaging
(A1 Refereed original research article in a scientific journal) - Quantitative Perfusion Imaging with Total-Body PET (2023)
- Journal of Nuclear Medicine
(A2 Refereed review article in a scientific journal ) - Risk factors for revision due to prosthetic joint infection following total knee arthroplasty based on 62,087 knees in the Finnish Arthroplasty Register from 2014 to 2020 (2023)
- Acta Orthopaedica
(A1 Refereed original research article in a scientific journal) - Segmentation of Dynamic Total-Body [18F]-FDG PET Images Using Unsupervised Clustering (2023)
- International Journal of Biomedical Imaging
(A1 Refereed original research article in a scientific journal) - Advanced pattern recognition tools for disease diagnosis (2022) 5G IoT and Edge Computing for Smart Healthcare Subasi Abdulhamit, Panigrahi Siba Smarak, Patil Bhalchandra Sunil, Canbaz Abdullah, Klén Riku
(B2 Non-refereed book chapter or chapter in a compilation book) - Are Quantitative Errors Reduced with Time-of-Flight Reconstruction When Using Imperfect MR-Based Attenuation Maps for F-18-FDG PET/MR Neuroimaging? (2022)
- Applied Sciences
(A1 Refereed original research article in a scientific journal) - Artificial Intelligence to Improve Risk Prediction with Nuclear Cardiac Studies (2022)
- Current Cardiology Reports
(A2 Refereed review article in a scientific journal ) - Classification of ischemia from myocardial polar maps in 15 O-H 2 O cardiac perfusion imaging using a convolutional neural network (2022)
- Scientific Reports
(A1 Refereed original research article in a scientific journal) - Development and evaluation of a machine learning-based in-hospital COVID-19 disease outcome predictor (CODOP): A multicontinental retrospective study (2022)
- eLife
(A1 Refereed original research article in a scientific journal) - Effect of respiratory motion correction and CT-based attenuation correction on dual-gated cardiac PET image quality and quantification (2022)
- Journal of Nuclear Cardiology
(A1 Refereed original research article in a scientific journal) - Evaluation of three methods for delineation and attenuation estimation of the sinus region in MR-based attenuation correction for brain PET-MR imaging (2022)
- BMC Medical Imaging
(A1 Refereed original research article in a scientific journal) - Novel Effects of the Gastrointestinal Hormone Secretin on Cardiac Metabolism and Renal Function (2022)
- American Journal of Physiology : Endocrinology and Metabolism
(A1 Refereed original research article in a scientific journal)
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