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Riku Klén
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2020 – today
- 2025
[j17]Oona Rainio
, Jonne Tamminen, Mikko S. Venäläinen
, Joonas Liedes
, Juhani Knuuti
, Jukka Kemppainen
, Riku Klén
:
Comparison of thresholds for a convolutional neural network classifying medical images. Int. J. Data Sci. Anal. 20(3): 2093-2099 (2025)
[j16]Muhammad Irfan
, Laishuan Wang, Yan Xu, Abdulhamit Subasi, Chen Chen
, Riku Klén
, Tomi Westerlund
, Wei Chen
:
Smart IoT-Based Solutions for Neonatal Sleep Stratification: Single-Dual Channel EEG, AdaptiSelect, Multiview Fusion, and Rotational Ensemble Stacking. IEEE Internet Things J. 12(22): 46018-46037 (2025)
[j15]Oona Rainio
, Juhani Knuuti
, Riku Klén
:
Investigation of total-body applicable compartment models for kinetic modeling in total body 15O-water perfusion PET imaging. Netw. Model. Anal. Health Informatics Bioinform. 14(1): 22 (2025)
[j14]Oona Rainio
, Aino Latva-Rasku
, Jussi Hirvonen
, Juhani Knuuti
, Riku Klén
:
New 3D segmentation algorithm for modeling of kidney in positron emission tomography images. Netw. Model. Anal. Health Informatics Bioinform. 14(1): 38 (2025)
[j13]Oona Rainio
, Riku Klén
:
Convolutional neural networks for tumor segmentation by cancer type and imaging modality: a systematic review. Netw. Model. Anal. Health Informatics Bioinform. 14(1): 58 (2025)
[j12]Oona Rainio
, Johanna Hällilä, Jarmo Teuho
, Riku Klén
:
Methods for estimating full width at half maximum. Signal Image Video Process. 19(4): 289 (2025)
[c1]Muhammad Irfan, Anum Nawaz, Riku Klén
, Abdulhamit Subasi, Tomi Westerlund, Wei Chen:
Improved Brain Tumor Detection in MRI: Fuzzy Sigmoid Convolution in Deep Learning. IJCNN 2025: 1-8
[i5]Oona Rainio, Maria K. Jaakkola, Riku Klén:
Quantitative evaluation of unsupervised clustering algorithms for dynamic total-body PET image analysis. CoRR abs/2502.07511 (2025)
[i4]Muhammad Irfan, Anum Nawaz, Riku Klén, Abdulhamit Subasi, Tomi Westerlund, Wei Chen:
Improved Brain Tumor Detection in MRI: Fuzzy Sigmoid Convolution in Deep Learning. CoRR abs/2505.05208 (2025)
[i3]Muhammad Irfan, Anum Nawaz, Ayse Kosal Bulbul, Riku Klén, Abdulhamit Subasi, Tomi Westerlund, Wei Chen:
Emotion Recognition with Minimal Wearable Sensing: Multi-domain Feature, Hybrid Feature Selection, and Personalized vs. Generalized Ensemble Model Analysis. CoRR abs/2510.22498 (2025)- 2024
[j11]Oona Rainio
, Joonas Liedes
, Sarita Murtojärvi
, Simona Malaspina
, Jukka Kemppainen
, Riku Klén
:
One-click annotation to improve segmentation by a convolutional neural network for PET images of head and neck cancer patients. Netw. Model. Anal. Health Informatics Bioinform. 13(1): 47 (2024)
[j10]Oona Rainio
, Riku Klén
:
Comparison of simple augmentation transformations for a convolutional neural network classifying medical images. Signal Image Video Process. 18(4): 3353-3360 (2024)
[i2]Thorsten Rudroff, Oona Rainio, Riku Klén:
AI for the prediction of early stages of Alzheimer's disease from neuroimaging biomarkers - A narrative review of a growing field. CoRR abs/2406.17822 (2024)- 2023
[j9]Oona Rainio
, Mohamed M. S. Nasser
, Matti Vuorinen
, Riku Klén
:
Image augmentation with conformal mappings for a convolutional neural network. Comput. Appl. Math. 42(8): 361 (2023)
[j8]Maria K. Jaakkola
, Maria Rantala, Anna Jalo
, Teemu Saari
, Jaakko Hentilä
, Jatta S. Helin
, Tuuli A. Nissinen
, Olli Eskola
, Johan Rajander
, Kirsi A. Virtanen, Jarna C. Hannukainen
, Francisco López-Picón
, Riku Klén
:
Segmentation of Dynamic Total-Body [18F]-FDG PET Images Using Unsupervised Clustering. Int. J. Biomed. Imaging 2023: 3819587:1-3819587:13 (2023)
[j7]Oona Rainio
, Chunlei Han, Jarmo Teuho
, Sergey V. Nesterov
, Vesa Oikonen
, Sauli Piirola, Timo Laitinen, Marko Tättäläinen, Juhani Knuuti
, Riku Klén
:
Carimas: An Extensive Medical Imaging Data Processing Tool for Research. J. Digit. Imaging 36(4): 1885-1893 (2023)- 2022
[j6]Jani Lindén, Jarmo Teuho, Mika Teräs, Riku Klén
:
Evaluation of three methods for delineation and attenuation estimation of the sinus region in MR-based attenuation correction for brain PET-MR imaging. BMC Medical Imaging 22(1): 48 (2022)
[i1]Oona Rainio, Mohamed M. S. Nasser, Matti Vuorinen, Riku Klén:
Image augmentation with conformal mappings for a convolutional neural network. CoRR abs/2212.05258 (2022)- 2021
[j5]Joaquin Rives Gambin
, Mojtaba Jafari Tadi
, Jarmo Teuho
, Riku Klén
, Juhani Knuuti
, Juho Koskinen, Antti Saraste, Eero Lehtonen
:
Learning to Denoise Gated Cardiac PET Images Using Convolutional Neural Networks. IEEE Access 9: 145886-145899 (2021)
[j4]Mehrad Mahmoudian
, Mikko S. Venäläinen, Riku Klén
, Laura L. Elo
:
Stable Iterative Variable Selection. Bioinform. 37(24): 4810-4817 (2021)
[j3]Solveig K. Sieberts
, Jennifer Schaff, Marlena Duda
, Bálint Á Pataki, Ming Sun, Phil Snyder
, Jean-Francois Daneault, Federico Parisi, Gianluca Costante, Udi Rubin, Peter Banda, Yooree Chae, Elias Chaibub Neto, Earl Ray Dorsey, Zafer Aydin, Aipeng Chen, Laura L. Elo
, Carlos Espino, Enrico Glaab
, Ethan Goan, Fatemeh Noushin Golabchi, Yasin Görmez
, Maria K. Jaakkola
, Jitendra Jonnagaddala
, Riku Klén
, Dongmei Li, Christian McDaniel, Dimitri Perrin
, Thanneer M. Perumal, Nastaran Mohammadian Rad
, Erin Rainaldi
, Stefano Sapienza
, Patrick Schwab, Nikolai Shokhirev, Mikko S. Venäläinen
, Gloria Vergara-Diaz
, Yuqian Zhang
, Avner G. S. Abrami, Aditya Adhikary, Carla Agurto, Sherry Bhalla, Halil Ibrahim Bilgin, Vittorio Caggiano, Jun Cheng, Eden Deng, Qiwei Gan, Rajan Girsa, Zhi Han
, Stephen Heisig, Kun Huang, Samad Jahandideh, Wolfgang Kopp, Christoph F. Kurz
, Gregor Lichtner, Raquel Norel, G. P. S. Raghava
, Tavpritesh Sethi, Nicholas Shawen, Vaibhav Tripathi, Matthew Tsai, Tongxin Wang, Yi Wu, Jie Zhang, Xinyu Zhang, Yuanjia Wang, Yuanfang Guan
, Daniela Brunner, Paolo Bonato
, Lara M. Mangravite
, Larsson Omberg
:
Crowdsourcing digital health measures to predict Parkinson's disease severity: the Parkinson's Disease Digital Biomarker DREAM Challenge. npj Digit. Medicine 4 (2021)
[j2]Eero Lehtonen
, Jarmo Teuho
, Juho Koskinen, Mojtaba Jafari Tadi
, Riku Klén
, Reetta Siekkinen
, Joaquin Rives Gambin, Tuija Vasankari, Antti Saraste:
A Respiratory Motion Estimation Method Based on Inertial Measurement Units for Gated Positron Emission Tomography. Sensors 21(12): 3983 (2021)
2010 – 2019
- 2019
[j1]Mojtaba Jafari Tadi
, Eero Lehtonen
, Jarmo Teuho
, Juho Koskinen, Jussi Schultz
, Reetta Siekkinen
, Tero Koivisto, Mikko Pänkäälä
, Mika Teräs, Riku Klén
:
A Computational Framework for Data Fusion in MEMS-Based Cardiac and Respiratory Gating. Sensors 19(19): 4137 (2019)
Coauthor Index

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last updated on 2025-12-09 00:28 CET by the dblp team
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