Riku Klén
PhD
Medical imaging, imaging instrumentation, machine learning, longitudinal analysis, geometric function theory, hyperbolic type geometries, quasiconformal mappings
- Artificial Intelligence to Improve Risk Prediction with Nuclear Cardiac Studies (2022)
- Current Cardiology Reports
Juarez-Orozco Luis Eduardo, Klén Riku, Niemi Mikael, Ruijsink Bram, Daquarti Gustavo, van Es Rene, Benjamins Jan-Walter, Yeung Ming Wai, van der Harst Pim, Knuuti Juhani
- Classification of ischemia from myocardial polar maps in 15 O-H 2 O cardiac perfusion imaging using a convolutional neural network (2022) Teuho Jarmo, Schultz Jussi, Klén Riku, Knuuti Juhani, Saraste Antti, Ono Naoaki, Kanaya Shigehiko
- Development and evaluation of a machine learning-based in-hospital COVID-19 disease outcome predictor (CODOP): A multicontinental retrospective study (2022) Klen Riku, Purohit Disha, Gomez-Huelgas Ricardo, Casas-Rojo Jose Manuel, Anton-Santos Juan Miguel, Nunez-Cortes Jesus Millan, Lumbreras Carlos, Ramos-Rincon Jose Manuel, Garcia Barrio Noelia, Pedrera-Jimenez Miguel, Lalueza Blanco Antonio, Martin-Escalante Maria Dolores, Rivas-Ruiz Francisco, Onieva-Garcia Maria angeles, Young Pablo, Ramirez Juan Ignacio, Titto Omonte Estela Edith, Gross Artega Rosmery, Canales Beltran Magdy Teresa, Valdez Pascual Ruben, Pugliese Florencia, Castagna Rosa, Huespe Ivan A., Boietti Bruno, Pollan Javier A., Funke Nico, Leiding Benjamin, Gomez-Varela David
- 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
- Evaluation of three methods for delineation and attenuation estimation of the sinus region in MR-based attenuation correction for brain PET-MR imaging (2022) Lindén Jani, Teuho Jarmo, Teräs Mika, Klén Riku
- 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
- A Respiratory Motion Estimation Method Based on Inertial Measurement Units for Gated Positron Emission Tomography (2021) Lehtonen Eero, Teuho Jarmo, Koskinen Juho, Jafari Tadi Mojtaba, Klén Riku, Siekkinen Reetta, Gambin Joaquin R., Vasankari Tuija, Saraste Antti
- 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
- Crowdsourcing digital health measures to predict Parkinson's disease severity: the Parkinson's Disease Digital Biomarker DREAM Challenge (2021) 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
- 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
- Learning to Denoise Gated Cardiac PET Images Using Convolutional Neural Networks (2021) Rives Gambin Joaquin, Jafari Tadi Mojtaba, Teuho Jarmo, Klén Riku, Knuuti Juhani, Koskinen Juho, Saraste Antti, Lehtonen Eero
- Preoperative Risk Prediction Models for Short-Term Revision and Death After Total Hip Arthroplasty : Data from the Finnish Arthroplasty Register (2021) 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.
- Ptolemy constant and uniformity (2021)
- Publicationes Mathematicae Debrecen
Harmaala Eero, Klen Riku
- Riskilaskurimallit tyypillisimmille lyhyen aikavälin komplikaatioille sekä kuolemalle ensivaiheen lonkan kokotekonivelleikkauksen jälkeen perustuen Suomen Endoproteesirekisterin tietokantaan (2021)
- Suomen ortopedia ja traumatologia
Venäläinen Mikko, Panula Valtteri, Klén Riku, Haapakoski Jaason, Eskelinen Antti, Manninen Mikko, Kettunen Jukka, Puhto Ari-Pekka, Vasara Anna, Mäkelä Keijo, Elo Laura
- Secretin activates brown fat and induces satiation (2021) Laurila Sanna, Sun Lihua, Lahesmaa Minna, Schnabl Katharina, Laitinen Kirsi, Klén Riku, Li Yongguo, Balaz Miroslav, Wolfrum Christian, Steiger Katja, Niemi Tarja, Taittonen Markku, U-Din Mueez, Välikangas Tommi, Elo Laura L, Eskola Olli, Kirjavainen Anna K, Nummenmaa Lauri, Virtanen Kirsi A, Klingenspor Martin, Nuutila Pirjo
- Stable Iterative Variable Selection (2021) Mahmoudian Mehrad, Venäläinen Mikko S, Klén Riku, Elo Laura L
- Validation of Automated PET Segmentation Methods Based on Connected Components for Myocardium (2021)
- IEEE Nuclear Science Symposium and Medical Imaging Conference record
2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC) Siekkinen Reetta, Lehtonen Eero, Teuho Jarmo, Jafari Tadi Mojtaba, Koskinen Juho, Klén Riku
- Assessment of MRI-Based Attenuation Correction for MRI-Only Radiotherapy Treatment Planning of the Brain (2020) Iiro Ranta, Jarmo Teuho, Jani Linden, Riku Klén, Mika Teräs, Mika Kapanen, Jani Keyriläinen
- Conformally Invariant Metrics and Quasiconformal Mappings (2020) Parisa Hariri, Riku Klén, Matti Vuorinen
- Easy-to-use tool for evaluating the elevated acute kidney injury risk against reduced cardiovascular disease risk during intensive blood pressure control (2020) Venäläinen Mikko S, Klén Riku, Mahmoudian Mehrad, Raitakari Olli T, Elo Laura L
