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
- Acute deep neck infection MRI: deep learning segmentation and clinical relevance of retropharyngeal edema volume (2026)
- European radiology experimental
(A1 Refereed original research article in a scientific journal) - Automated long axial field of view PET image processing and kinetic modelling with the TurBO toolbox (2026)
- European Journal of Nuclear Medicine and Molecular Imaging
(A1 Refereed original research article in a scientific journal) - Editorial: AI with insight: explainable approaches to mental health screening and diagnostic tools in healthcare (2026)
- Frontiers in Medicine
(B1 Non-refereed data-article in a scientific journal) - Intranasal insulin affects brain, but not peripheral tissue, glucose uptake in lean, healthy men: a positron emission tomography study (2026)
- American Journal of Physiology : Endocrinology and Metabolism
(A1 Refereed original research article in a scientific journal) - 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 ) - Convolutional neural networks for tumor segmentation by cancer type and imaging modality: a systematic review (2025)
- Network Modeling Analysis in Health Informatics and Bioinformatics
(A2 Refereed review article in a scientific journal ) - Deep learning‐based 3D classification of head and neck cancer PET/MRI: Radiologist comparison and Grad‐CAM interpretability (2025)
- Clinical Physiology and Functional Imaging
(A1 Refereed original research article in a scientific journal) - Deep learning detects retropharyngeal edema on MRI in patients with acute neck infections (2025)
- European radiology experimental
(A1 Refereed original research 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) - Differential associations of subcutaneous and visceral fat with bone turnover markers: A study on bariatric surgery patients with severe obesity and individuals without obesity (2025)
- International Journal of Obesity
(A1 Refereed original research article in a scientific journal) - Emotion Recognition with Minimal Wearable Sensing: Multi-Domain Feature, Hybrid Feature Selection, and Personalized vs. Generalized Ensemble Model Analysis (2025)
- Proceedings (IEEE International Conference on Bioinformatics and Biomedicine)
(A4 Refereed article in a conference publication ) - 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) - Improved Brain Tumor Detection in MRI: Fuzzy Sigmoid Convolution in Deep Learning (2025)
- International Joint Conference on Neural Networks
(A4 Refereed article in a conference publication ) - 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) - Leikkausajankohdan vaikutus dair-infektiopesun onnistumistodennäköisyyteen Suomen tekonivelrekisterin dataan perustuen (2025)
- Suomen ortopedia ja traumatologia
(D1 Article in a professional 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 3D segmentation algorithm for modeling of kidney in positron emission tomography images (2025)
- Network Modeling Analysis in Health Informatics and Bioinformatics
(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)



