PhD Riku Klén - UTU Research Portal

Riku Klén
PhD

- Associate Professor,
Turku PET Centre (Independent units)

riku.klen@utu.fi

Kiinamyllynkatu 4-8

Turku

ORCID identifier: https://orcid.org/0000-0002-0982-8360

http://users.utu.fi/ripekl/

Areas of expertise

Medical imaging, imaging instrumentation, machine learning, longitudinal analysis, geometric function theory, hyperbolic type geometries, quasiconformal mappings

Publications

5 of 14

The Untapped Potential of Dimension Reduction in Neuroimaging: Artificial Intelligence-Driven Multimodal Analysis of Long COVID Fatigue (2024)
- Brain Sciences
Rudroff, Thorsten; Klén, Riku; Rainio, Oona; Tuulari, Jetro
(A1 Refereed original research article in a scientific journal)
Automatic Segmentation of Head and Neck Cancer from PET-MRI Data Using Deep Learning (2023)
- Journal of Medical and Biological Engineering
Liedes Joonas, Hellström Henri, Rainio Oona, Murtojärvi Sarita, Malaspina Simona, Hirvonen Jussi, Klén Riku, Kemppainen Jukka
(A1 Refereed original research article in a scientific journal)
Carimas: An Extensive Medical Imaging Data Processing Tool for Research (2023)
- Journal of Digital Imaging
Rainio Oona, Han Chunlei, Teuho Jarmo, Nesterov Sergey V, Oikonen Vesa, Piirola Sauli, Laitinen Timo, Tättäläinen Marko, Knuuti Juhani, Klén Riku
(A1 Refereed original research article in a scientific journal)
Classification of head and neck cancer from PET images using convolutional neural networks (2023)
- Scientific Reports
Hellström Henri, Liedes Joonas, Rainio Oona, Malaspina Simona, Kemppainen Jukka, Klén Riku
(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
Huespe Ivan, Pollan Javier, Khalid Aisha, Ferraris Augusto, Blanco Antonio, Gomez-Huelgas Ricardo, Juan Miguel Anton Santos, Nunes-Cortes Jesus Millan, Lumbreras Carlos, Ramos Rincon Jose Manuel, Garcia Barrio Noelia, Casas-Rojo Jose Manuel, Ruben Valdez Pascual, Mirofsky Matias, Boietti Bruno, Klen Riku, Cayetti Luis, Rivas Ruiz Francisco, Sinner Jorge, Varela David Gomez
(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
Huespe Ivan A., Ferraris Augusto, Lalueza Antonio, Valdez Pascual R., Peroni Maria L., Cayetti Luis A., Mirofsky Matias A., Boietti Bruno, Gómez-Huelgas Ricardo, Casas-Rojo José M., Antón-Santos Juan M., Núñez-Cortés Jesús M., Lumbreras Carlos, Ramos-Rincón Jose-Manuel, Barrio Noelia G., Pedrera-Jiménez Miguel, Martin-Escalante María D., Ruiz Francisco R., Onieva-García María Á., Toso Carlos R., Risk Marcelo R., Klén Riku, Pollán Javier A., Gómez-Varela David
(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
Klén Riku, Huespe Ivan A., Gregalio Felipe Anibal, Blanco Antonio Lalueza Lalueza, Jimenez MiguelPedrera, Barrio Noelia Garcia, Valdez Pascual Ruben, Mirofsky Matias A., Boietti Bruno, Gomez-Huelgas Ricardo, Casas-Rojo Jose Manuel, Anton-Santos Juan Miguel, Pollan Javier Alberto, Gomez-Varela David
(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
Juarez-Orozco Luis Eduardo, Niemi Mikael, Yeung Ming Wai, Benjamins Jan Walter, Maaniitty Teemu, Teuho Jarmo, Saraste Antti, Knuuti Juhani, van der Harst Pim, Klén Riku
(A1 Refereed original research article in a scientific journal)
Image augmentation with conformal mappings for a convolutional neural network (2023)
- Computational and Applied Mathematics
Rainio Oona, Nasser Mohamed M. S., Vuorinen Matti, Klén Riku
(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
Lehtonen Eero, Kujala Iida, Tamminen Jonne, Maaniitty Teemu, Saraste Antti, Teuho Jarmo, Knuuti Juhani, Klén Riku
(A1 Refereed original research article in a scientific journal)