Juha Töyräs

Publication Activity (10 Years)

Years Active: 2008-2024
Publications (10 Years): 26

Top Topics

Contrast Enhanced

Articular Cartilage

Computer Tomography

Top Venues

IEEE J. Biomed. Health Informatics

IEEE Trans. Biomed. Eng.

Publications

Salla Hietakoste, Pablo Armañac-Julián, Tuomas Karhu, Raquel Bailón, Saara Sillanmäki, Juha Töyräs, Timo Leppänen, Sami Myllymaa, Samu Kainulainen
Acute Cardiorespiratory Coupling Impairment in Worsening Sleep Apnea-Related Intermittent Hypoxemia. IEEE Trans. Biomed. Eng. 71 (1) (2024)
Graeme Mattison, Oliver J. Canfell, Daniel Smith, Doug Forrester, David Reid, Juha Töyräs, Chelsea Dobbins
"An excellent servant but a terrible master": Understanding the value of wearables for self-management in people with cystic fibrosis and their healthcare providers - A qualitative study. Int. J. Medical Informatics 189 (2024)
Iman Kafian-Attari, Ervin Nippolainen, Florian Bergmann, Akuroma George, Petri Paakkari, Arash Mirhashemi, Florian Foschum, Alwin Kienle, Juha Töyräs, Isaac O. Afara
Estimation of Photon Path Length and Penetration Depth in Articular Cartilage Zonal Architecture Over the Therapeutic Window. IEEE Trans. Biomed. Eng. 71 (8) (2024)
Matias Rusanen, Gabriel Jouan, Riku Huttunen, Sami Nikkonen, Sigríður Sigurðardóttir, Juha Töyräs, Brett Duce, Sami Myllymaa, Erna Sif Arnardóttir, Timo Leppänen, Anna Sigridur Islind, Samu Kainulainen, Henri Korkalainen
aSAGA: Automatic Sleep Analysis with Gray Areas. CoRR (2023)
Matias Rusanen, Riku Huttunen, Henri Korkalainen, Sami Myllymaa, Juha Töyräs, Katja Myllymaa, Sigridur Sigurdardottir, Kristin A. Olafsdottir, Timo Leppänen, Erna S. Arnardottir, Samu Kainulainen
Generalizable Deep Learning-Based Sleep Staging Approach for Ambulatory Textile Electrode Headband Recordings. IEEE J. Biomed. Health Informatics 27 (4) (2023)
Marika Rissanen, Henri Korkalainen, Brett Duce, Saara Sillanmäki, Henna Pitkänen, Aaron Suni, Sami Nikkonen, Antti Kulkas, Juha Töyräs, Timo Leppänen, Samu Kainulainen
Obstructive Sleep Apnea Patients With Atrial Arrhythmias Suffer From Prolonged Recovery From Desaturations. IEEE Trans. Biomed. Eng. 70 (7) (2023)
Eric Staykov, Dwayne L. Mann, Samu Kainulainen, Brett Duce, Timo Leppänen, Juha Töyräs, Scott A. Sands, Philip I. Terrill
Nasal Pressure Derived Airflow Limitation and Ventilation Measurements are Resilient to Reduced Signal Quality. EMBC (2023)
Riku Huttunen, Timo Leppänen, Brett Duce, Erna Sif Arnardóttir, Sami Nikkonen, Sami Myllymaa, Juha Töyräs, Henri Korkalainen
A Comparison of Signal Combinations for Deep Learning-Based Simultaneous Sleep Staging and Respiratory Event Detection. IEEE Trans. Biomed. Eng. 70 (5) (2023)
Matias Rusanen, Sami Myllymaa, Laura Kalevo, Katja Myllymaa, Juha Töyräs, Timo Leppänen, Samu Kainulainen
Corrections to "An In-Laboratory Comparison of FocusBand EEG Device and Textile Electrodes Against a Medical-Grade System and Wet Gel Electrodes". IEEE Access 11 (2023)
Luka Biedebach, Matias Rusanen, Timo Leppänen, Anna Sigridur Islind, Benedikt Thordarson, Erna Sif Arnardóttir, Maria Óskarsdóttir, Henri Korkalainen, Sami Nikkonen, Samu Kainulainen, Juha Töyräs, Sami Myllymaa
Towards a Deeper Understanding of Sleep Stages through their Representation in the Latent Space of Variational Autoencoders. HICSS (2023)
Akseli Leino, Henri Korkalainen, Laura Kalevo, Sami Nikkonen, Samu Kainulainen, Alexander Ryan, Brett Duce, Kirsi Sipila, Jari Ahlberg, Johanna Sahlman, Tomi Miettinen, Susanna Westeren-Punnonen, Esa Mervaala, Juha Töyräs, Sami Myllymaa, Timo Leppänen, Katja Myllymaa
Deep Learning Enables Accurate Automatic Sleep Staging Based on Ambulatory Forehead EEG. IEEE Access 10 (2022)
Henna Pitkänen, Brett Duce, Timo Leppänen, Samu Kainulainen, Antti Kulkas, Sami Myllymaa, Juha Töyräs, Henri Korkalainen
Gamma Power of Electroencephalogram Arousal Is Modulated by Respiratory Event Type and Severity in Obstructive Sleep Apnea. IEEE Trans. Biomed. Eng. 69 (4) (2022)
Laura Kalevo, Tomi Miettinen, Akseli Leino, Susanna Westeren-Punnonen, Johanna Sahlman, Esa Mervaala, Juha Töyräs, Timo Leppänen, Sami Myllymaa, Katja Myllymaa
Self-Applied Electrode Set Provides a Clinically Feasible Solution Enabling EEG Recording in Home Sleep Apnea Testing. IEEE Access 10 (2022)
Tuomas Karhu, Timo Leppänen, Juha Töyräs, Arie Oksenberg, Sami Myllymaa, Sami Nikkonen
ABOSA - Freely available automatic blood oxygen saturation signal analysis software: Structure and validation. Comput. Methods Programs Biomed. 226 (2022)
Matias Rusanen, Samu Kainulainen, Henri Korkalainen, Laura Kalevo, Katja Myllymaa, Timo Leppänen, Juha Töyräs, Erna Sif Arnardóttir, Sami Myllymaa
Technical Performance of Textile-Based Dry Forehead Electrodes Compared With Medical-Grade Overnight Home Sleep Recordings. IEEE Access 9 (2021)
Sami Nikkonen, Henri Korkalainen, Akseli Leino, Sami Myllymaa, Brett Duce, Timo Leppänen, Juha Töyräs
Automatic Respiratory Event Scoring in Obstructive Sleep Apnea Using a Long Short-Term Memory Neural Network. IEEE J. Biomed. Health Informatics 25 (8) (2021)
Matias Rusanen, Sami Myllymaa, Laura Kalevo, Katja Myllymaa, Juha Töyräs, Timo Leppänen, Samu Kainulainen
An In-Laboratory Comparison of FocusBand EEG Device and Textile Electrodes Against a Medical-Grade System and Wet Gel Electrodes. IEEE Access 9 (2021)
Henri Korkalainen, Timo Leppänen, Brett Duce, Samu Kainulainen, Juhani Aakko, Akseli Leino, Laura Kalevo, Isaac O. Afara, Sami Myllymaa, Juha Töyräs
Detailed Assessment of Sleep Architecture With Deep Learning and Shorter Epoch-to-Epoch Duration Reveals Sleep Fragmentation of Patients With Obstructive Sleep Apnea. IEEE J. Biomed. Health Informatics 25 (7) (2021)
Laura Kalevo, Sami Myllymaa, Tomi Miettinen, Akseli Leino, Samu Kainulainen, Henri Korkalainen, Katja Myllymaa, Juha Töyräs, Timo Leppänen, Tiina Laitinen
Effect of Sweating on Electrode-Skin Contact Impedances and Artifacts in EEG Recordings With Various Screen-Printed Ag/Agcl Electrodes. IEEE Access 8 (2020)
Henri Korkalainen, Juhani Aakko, Sami Nikkonen, Samu Kainulainen, Akseli Leino, Brett Duce, Isaac O. Afara, Sami Myllymaa, Juha Töyräs, Timo Leppänen
Accurate Deep Learning-Based Sleep Staging in a Clinical Population With Suspected Obstructive Sleep Apnea. IEEE J. Biomed. Health Informatics 24 (7) (2020)
Laura Kalevo, Tomi Miettinen, Akseli Leino, Samu Kainulainen, Katja Myllymaa, Juha Töyräs, Timo Leppänen, Sami Myllymaa
Improved Sweat Artifact Tolerance of Screen-Printed EEG Electrodes by Material Selection-Comparison of Electrochemical Properties in Artificial Sweat. IEEE Access 7 (2019)
Minna Husso, Mikko J. Nissi, Antti Kuivanen, Paavo Halonen, Miikka Tarkia, Jarmo Teuho, Virva Saunavaara, Pauli Vainio, Petri Sipola, Hannu Manninen, Seppo Ylä-Herttuala, Juhani Knuuti, Juha Töyräs
Quantification of porcine myocardial perfusion with modified dual bolus MRI - a prospective study with a PET reference. BMC Medical Imaging 19 (1) (2019)
Tomi Miettinen, Katja Myllymaa, Susanna Westeren-Punnonen, Jari Ahlberg, Taina Hukkanen, Juha Töyräs, Reijo Lappalainen, Esa Mervaala, Kirsi Sipila, Sami Myllymaa
Success Rate and Technical Quality of Home Polysomnography With Self-Applicable Electrode Set in Subjects With Possible Sleep Bruxism. IEEE J. Biomed. Health Informatics 22 (4) (2018)
Janne M. J. Huttunen, Mikael J. Turunen, Juuso T. J. Honkanen, Juha Töyräs, Jukka S. Jurvelin
Estimation of Systematic and Spatially Correlated Components of Random Signals from Repeated Measurements: Application to Contrast Enhanced Computer Tomography Measurements. SIAM J. Sci. Comput. 38 (1) (2016)
Antti Kulkas, Timo Leppänen, Johanna Sahlman, Pekka Tiihonen, Esa Mervaala, J. Kokkarinen, J. Randell, J. Seppä, Juha Töyräs, H. Tuomilehto
Amount of weight loss or gain influences the severity of respiratory events in sleep apnea. Medical Biol. Eng. Comput. 53 (10) (2015)
Mikael J. Turunen, Juha Töyräs, Harri T. Kokkonen, Jukka S. Jurvelin
Quantitative Evaluation of Knee Subchondral Bone Mineral Density Using Cone Beam Computed Tomography. IEEE Trans. Medical Imaging 34 (10) (2015)
Antti Kulkas, Pekka Tiihonen, Petro Julkunen, Esa Mervaala, Juha Töyräs
Novel parameters indicate significant differences in severity of obstructive sleep apnea with patients having similar apnea-hypopnea index. Medical Biol. Eng. Comput. 51 (6) (2013)
Sami Myllymaa, Pasi Lepola, Taina Hukkanen, Andre Oun, Esa Mervaala, Juha Töyräs, Reijo Lappalainen, Katja Myllymaa
Novel screen printed electrode set for routine EEG recordings in patients with altered mental status. EMBC (2013)
Pekka Tiihonen, Ari Pääkkönen, Esa Mervaala, Taina Hukkanen, Juha Töyräs
Design, construction and evaluation of an ambulatory device for screening of sleep apnea. Medical Biol. Eng. Comput. 47 (1) (2009)
Pekka Tiihonen, Jukka Kinnunen, Juha Töyräs, Esa Mervaala, Ari Pääkkönen
A portable device for intensive care brain function monitoring with event-related potentials. Comput. Methods Programs Biomed. 89 (1) (2008)