Timo Leppänen

24 papers Journal 22Unranked 2
YearRankTypeTitle / Venue / Authors
2025 J jnl
Optimal Electroencephalogram and Electrooculogram Signal Combination for Deep Learning-Based Sleep Staging.
IEEE J. Biomed. Health Informatics
Masoumeh Tashakori, Matias Rusanen, Tuomas Karhu, Riku Huttunen, Timo Leppänen, Sami Nikkonen
2024 J jnl
Acute Cardiorespiratory Coupling Impairment in Worsening Sleep Apnea-Related Intermittent Hypoxemia.
IEEE Trans. Biomed. Eng.
Salla Hietakoste, Pablo Armañac-Julián, Tuomas Karhu, Raquel Bailón, Saara Sillanmäki, Juha Töyräs, Timo Leppänen, Sami Myllymaa, Samu Kainulainen
2024 J jnl
Joint Use of a Low Thermal Resolution Thermal Camera and an RGB Camera for Respiration Measurement.
IEEE Trans. Instrum. Meas.
Zaeed Khan, Matias Rusanen, Miika Arvonen, Timo Leppänen, Simo Särkkä
2023 J jnl
A Comparison of Signal Combinations for Deep Learning-Based Simultaneous Sleep Staging and Respiratory Event Detection.
IEEE Trans. Biomed. Eng.
Riku Huttunen, Timo Leppänen, Brett Duce, Erna Sif Arnardóttir, Sami Nikkonen, Sami Myllymaa, Juha Töyräs, Henri Korkalainen
2023 J jnl
Corrections to "An In-Laboratory Comparison of FocusBand EEG Device and Textile Electrodes Against a Medical-Grade System and Wet Gel Electrodes".
IEEE Access
Matias Rusanen, Sami Myllymaa, Laura Kalevo, Katja Myllymaa, Juha Töyräs, Timo Leppänen, Samu Kainulainen
2023 J jnl
Generalizable Deep Learning-Based Sleep Staging Approach for Ambulatory Textile Electrode Headband Recordings.
IEEE J. Biomed. Health Informatics
Matias Rusanen, Riku Huttunen, Henri Korkalainen, Sami Myllymaa, Juha Töyräs, Katja Myllymaa, Sigríður Sigurðardóttir, Kristin A. Olafsdottir, Timo Leppänen, Erna Sif Arnardóttir, Samu Kainulainen
2023 — conf
Nasal Pressure Derived Airflow Limitation and Ventilation Measurements are Resilient to Reduced Signal Quality.
EMBC
Eric Staykov, Dwayne L. Mann, Samu Kainulainen, Brett Duce, Timo Leppänen, Juha Töyräs, Scott A. Sands, Philip I. Terrill
2023 J jnl
Obstructive Sleep Apnea Patients With Atrial Arrhythmias Suffer From Prolonged Recovery From Desaturations.
IEEE Trans. Biomed. Eng.
Marika Rissanen, Henri Korkalainen, Brett Duce, Saara Sillanmäki, Henna Pitkänen, Aaron Suni, Sami Nikkonen, Antti Kulkas, Juha Töyräs, Timo Leppänen, Samu Kainulainen
2023 — conf
Towards a Deeper Understanding of Sleep Stages through their Representation in the Latent Space of Variational Autoencoders.
HICSS
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
2023 J jnl
aSAGA: Automatic Sleep Analysis with Gray Areas.
CoRR
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
2022 J jnl
ABOSA - Freely available automatic blood oxygen saturation signal analysis software: Structure and validation.
Comput. Methods Programs Biomed.
Tuomas Karhu, Timo Leppänen, Juha Töyräs, Arie Oksenberg, Sami Myllymaa, Sami Nikkonen
2022 J jnl
Deep Learning Enables Accurate Automatic Sleep Staging Based on Ambulatory Forehead EEG.
IEEE Access
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
2022 J jnl
Editorial: Machine Learning and Wearable Technology in Sleep Medicine.
Frontiers Digit. Health
Timo Leppänen, Carolina Varon, Massimiliano de Zambotti, Sami Myllymaa
2022 J jnl
Gamma Power of Electroencephalogram Arousal Is Modulated by Respiratory Event Type and Severity in Obstructive Sleep Apnea.
IEEE Trans. Biomed. Eng.
Henna Pitkänen, Brett Duce, Timo Leppänen, Samu Kainulainen, Antti Kulkas, Sami Myllymaa, Juha Töyräs, Henri Korkalainen
2022 J jnl
Self-Applied Electrode Set Provides a Clinically Feasible Solution Enabling EEG Recording in Home Sleep Apnea Testing.
IEEE Access
Laura Kalevo, Tomi Miettinen, Akseli Leino, Susanna Westeren-Punnonen, Johanna Sahlman, Esa Mervaala, Juha Töyräs, Timo Leppänen, Sami Myllymaa, Katja Myllymaa
2021 J jnl
An In-Laboratory Comparison of FocusBand EEG Device and Textile Electrodes Against a Medical-Grade System and Wet Gel Electrodes.
IEEE Access
Matias Rusanen, Sami Myllymaa, Laura Kalevo, Katja Myllymaa, Juha Töyräs, Timo Leppänen, Samu Kainulainen
2021 J jnl
Automatic Respiratory Event Scoring in Obstructive Sleep Apnea Using a Long Short-Term Memory Neural Network.
IEEE J. Biomed. Health Informatics
Sami Nikkonen, Henri Korkalainen, Akseli Leino, Sami Myllymaa, Brett Duce, Timo Leppänen, Juha Töyräs
2021 J jnl
Comparison of EEG Signal Characteristics Between Polysomnography and Self Applied Somnography Setup in a Pediatric Cohort.
IEEE Access
Samu Kainulainen, Henri Korkalainen, Sigríður Sigurðardóttir, Sami Myllymaa, Marta Serwatko, Sigurveig Þóra Sigurardóttir, Michael Clausen, Timo Leppänen, Erna Sif Arnardóttir
2021 J jnl
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
Henri Korkalainen, Timo Leppänen, Brett Duce, Samu Kainulainen, Juhani Aakko, Akseli Leino, Laura Kalevo, Isaac O. Afara, Sami Myllymaa, Juha Töyräs
2021 J jnl
Technical Performance of Textile-Based Dry Forehead Electrodes Compared With Medical-Grade Overnight Home Sleep Recordings.
IEEE Access
Matias Rusanen, Samu Kainulainen, Henri Korkalainen, Laura Kalevo, Katja Myllymaa, Timo Leppänen, Juha Töyräs, Erna Sif Arnardóttir, Sami Myllymaa
2020 J jnl
Accurate Deep Learning-Based Sleep Staging in a Clinical Population With Suspected Obstructive Sleep Apnea.
IEEE J. Biomed. Health Informatics
Henri Korkalainen, Juhani Aakko, Sami Nikkonen, Samu Kainulainen, Akseli Leino, Brett Duce, Isaac O. Afara, Sami Myllymaa, Juha Töyräs, Timo Leppänen
2020 J jnl
Effect of Sweating on Electrode-Skin Contact Impedances and Artifacts in EEG Recordings With Various Screen-Printed Ag/Agcl Electrodes.
IEEE Access
Laura Kalevo, Sami Myllymaa, Tomi Miettinen, Akseli Leino, Samu Kainulainen, Henri Korkalainen, Katja Myllymaa, Juha Töyräs, Timo Leppänen, Tiina Laitinen
2019 J jnl
Improved Sweat Artifact Tolerance of Screen-Printed EEG Electrodes by Material Selection-Comparison of Electrochemical Properties in Artificial Sweat.
IEEE Access
Laura Kalevo, Tomi Miettinen, Akseli Leino, Samu Kainulainen, Katja Myllymaa, Juha Töyräs, Timo Leppänen, Sami Myllymaa
2015 J jnl
Amount of weight loss or gain influences the severity of respiratory events in sleep apnea.
Medical Biol. Eng. Comput.
Antti Kulkas, Timo Leppänen, Johanna Sahlman, Pekka Tiihonen, Esa Mervaala, J. Kokkarinen, J. Randell, J. Seppä, Juha Töyräs, H. Tuomilehto