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

7 of 14

Effect of respiratory motion correction and CT-based attenuation correction on dual-gated cardiac PET image quality and quantification (2022)
- Journal of Nuclear Cardiology
Schultz Jussi, Siekkinen Reetta, Jafari Tadi Mojtaba, Teräs Mika, Klén Riku, Lehtonen Eero, Saraste Antti, Teuho Jarmo
(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
Lindén Jani, Teuho Jarmo, Teräs Mika, Klén Riku
(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
Laurila Sanna, Rebelos Eleni, Lahesmaa Minna, Sun Lihua, Schnabi Katharina, Peltomaa Tia-Mari, Klén Riku, U-Din Mueez, Honka Miikka-Juhani, Eskola Olli, Kirjavainen Anna K., Nummenmaa Lauri, Klingenspor Martin, Virtanen Kirsi A., Nuutila Pirjo
(A1 Refereed original research article in a scientific journal)
A Respiratory Motion Estimation Method Based on Inertial Measurement Units for Gated Positron Emission Tomography (2021)
- Sensors
Lehtonen Eero, Teuho Jarmo, Koskinen Juho, Jafari Tadi Mojtaba, Klén Riku, Siekkinen Reetta, Gambin Joaquin R., Vasankari Tuija, Saraste Antti
(A1 Refereed original research article in a scientific journal)
Comparison of 12 Machine Learning Methods for Polar Map Classification in Cardiac Perfusion PET (2021)
- IEEE Nuclear Science Symposium and Medical Imaging Conference record
2021 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2021 and 28th International Symposium on Room-Temperature Semiconductor Detectors, RTSD 2022 Teuho Jarmo, Schultz Jussi, Klén Riku, Saraste Antti, Ono Naoaki, Kanaya Shigehiko
(A4 Refereed article in a conference publication )
Crowdsourcing digital health measures to predict Parkinson's disease severity: the Parkinson's Disease Digital Biomarker DREAM Challenge (2021)
- npj Digital Medicine
Sieberts SolveigK, Schaff Jennifer, Duda Marlena, Pataki Bálint Ármin, Sun Ming, Snyder Phil, Daneault Jean-Francois, Parisi Federico, Costante Gianluca, Rubin Udi, Banda Peter, Chae Yoree, Neto Elias Chaibub, Dorsey E Ray, Aydin Zafer, Chen Aipeng, Elo Laura L, Espino Carlos, Glaab Enrico, Goan Ethan, Golabchi Fatemeh Noushin, Görmez Yasin, Jaakkola Maria K, Jonnagaddala Jitendra, Klén Riku, Li Dongmei, McDaniel Christian, Perrin Dimitri, Perumal Thanneer M, Rad Nastaran Mohammadian, Rainaldi Erin, Sapienza Stefano, Schwab Patrick, Shokhirev Nikolai, Venäläinen Mikko S, Vergara-Diaz Gloria, Zhang Yuqian, Wang Yuanjian, Guan Yuanfang, Brunner Daniela, Bonato Paolo, Mangravite Lara M, Omberg Larsson; the Parkinson's Disease Digital Biomarker Challenge Consortium
(A1 Refereed original research article in a scientific journal)
Improving patient identification for advanced cardiac imaging through machine learning-integration of clinical and coronary CT angiography data (2021)
- International Journal of Cardiology
Benjamins Jan Walter, Yeung Ming Wai, Maaniitty Teemu, Saraste Antti, Klén Riku, van der Harst Pim, Knuuti Juhani, Juarez-Orozco Luis Eduardo
(A1 Refereed original research article in a scientific journal)
Learning to Denoise Gated Cardiac PET Images Using Convolutional Neural Networks (2021)
- IEEE Access
Rives Gambin Joaquin, Jafari Tadi Mojtaba, Teuho Jarmo, Klén Riku, Knuuti Juhani, Koskinen Juho, Saraste Antti, Lehtonen Eero
(A1 Refereed original research article in a scientific journal)
Preoperative Risk Prediction Models for Short-Term Revision and Death After Total Hip Arthroplasty : Data from the Finnish Arthroplasty Register (2021)
- JB & JS open access
Venäläinen Mikko S, Panula Valtteri J, Klén Riku, Haapakoski Jaason J, Eskelinen Antti P, Manninen Mikko J, Kettunen Jukka S, Puhto Ari-Pekka, Vasara Anna I, Mäkelä Keijo T, Elo Laura L.
(A1 Refereed original research article in a scientific journal)
Ptolemy constant and uniformity (2021)
- Publicationes Mathematicae Debrecen
Harmaala Eero, Klen Riku
(A1 Refereed original research article in a scientific journal)