Riku Klén
PhD
riku.klen@utu.fi +358 0 231 3048 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 
1 of 6
- Comparison of Automatic Segmentation and Preprocessing Approaches for Dynamic Total-Body 3D Pet Images with Different Pet Tracers (2025)
- Journal of Imaging Informatics in Medicine
(A1 Refereed original research article in a scientific journal) - Compartmental modeling for blood flow quantification from dynamic 15O-water PET images of humans: a systematic review (2025)
- Annals of Nuclear Medicine
(A2 Refereed review article in a scientific journal ) - Derivation and validation of an artificial intelligence-based plaque burden safety cut-off for long-term acute coronary syndrome from coronary computed tomography angiography (2025)
- EHJ Cardiovascular Imaging / European Heart Journal - Cardiovascular Imaging
(A1 Refereed original research article in a scientific journal) - Expanding interpretability through complexity reduction in machine learning‐based modelling of cardiovascular disease: A myocardial perfusion imaging PET/CT prognostic study (2025)
- European Journal of Clinical Investigation
(A1 Refereed original research article in a scientific journal) - Investigation of total-body applicable compartment models for kinetic modeling in total body 15O-water perfusion PET imaging (2025)
- Network Modeling Analysis in Health Informatics and Bioinformatics
(A1 Refereed original research article in a scientific journal) - Methods for estimating full width at half maximum (2025)
- Signal, Image and Video Processing
(A1 Refereed original research article in a scientific journal) - Modified Dice Coefficients for Evaluation of Tumor Segmentation from PET Images: A Proof-of-Concept Study (2025)
- Journal of Imaging Informatics in Medicine
(A1 Refereed original research article in a scientific journal) - New compartment model for hepatic blood flow quantification in humans from 15O-water PET images (2025)
- European Journal of Nuclear Medicine and Molecular Imaging
(A1 Refereed original research article in a scientific journal) - Plaque burden improves the detection of ischemic CAD over stenosis from coronary computed tomography angiography (2025)
- International Journal of Cardiovascular Imaging
(A1 Refereed original research article in a scientific journal) - Pulmonary blood flow quantification in humans from 15O-water PET (2025)
- Annals of Nuclear Medicine
(A1 Refereed original research article in a scientific journal) - Quantitative evaluation of unsupervised clustering algorithms for dynamic total-body PET image analysis (2025)
- Journal of Medical Engineering and Technology
(A1 Refereed original research article in a scientific journal) - Smart IoT-based Solutions for Neonatal Sleep Stratification: Single-Dual Channel EEG, AdaptiSelect, Multview Fusion, & Rotational Ensemble Stacking (2025)
- IEEE Internet of Things Journal
(A1 Refereed original research article in a scientific journal) - AI for the prediction of early stages of Alzheimer's disease from neuroimaging biomarkers : A narrative review of a growing field (2024)
- Neurological Sciences
(A2 Refereed review article in a scientific journal ) - Analysis of sleep apnea research with a special focus on the use of positron emission tomography as a study tool (2024)
- Sleep Medicine Reviews
(A2 Refereed review article in a scientific journal ) - Comparison of simple augmentation transformations for a convolutional neural network classifying medical images (2024)
- Signal, Image and Video Processing
(A1 Refereed original research article in a scientific journal) - Comparison of thresholds for a convolutional neural network classifying medical images (2024)
- International journal of data science and analytics
(A1 Refereed original research article in a scientific journal) - Deep generative denoising networks enhance quality and accuracy of gated cardiac PET data (2024)
- Annals of Nuclear Medicine
(A1 Refereed original research article in a scientific journal) - Evaluation metrics and statistical tests for machine learning (2024)
- Scientific Reports
(A1 Refereed original research article in a scientific journal) - Explainable deep-learning-based ischemia detection using hybrid O-15 H2O perfusion positron emission tomography and computed tomography imaging with clinical data (2024)
- Journal of Nuclear Cardiology
(A1 Refereed original research article in a scientific journal) - Exploring Generative Adversarial Network-Based Augmentation of Magnetic Resonance Brain Tumor Images (2024)
- Applied Sciences
(A1 Refereed original research article in a scientific journal)
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