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Intelligent Systems Group
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FIN-90014 University of Oulu
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INTELLIGENT SYSTEMS GROUP
Publications
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Publications listed by research areas
2010
Kiviniemi AM, Tiinanen S, Huikuri H, Hautala AJ, Seppänen T, Mäkikallio TH & Tulppo MP (2010)
Frequency of slow oscillations in arterial pressure and R-R intervals during muscle metaboreflex activation. Autonomic Neuroscience, 152(1-2):88-95.
Link
2009
Anttonen O, Junttila J, Giustetto C, Gaita F, Linna E, Karsikas M, Seppänen T, Perkiömäki JS, Mäkikallio TH, Brugada R, Huikuri HV (2009)
T-Wave morphology in short QT syndrome Annals of Noninvasive Electrocardiology, 14:262-7.
Iivonen A, Seppänen T, Noponen K, Toivanen J (2009)
Microprosodic consonantal effects on macro intonation Proc. Nordic Prosody 2008, Helsinki, Finland.
Karsikas M, Noponen K, Huikuri H & Seppänen T (2009)
New vectorcardiographic non-planarity measure of t-wave loop improves separation between healthy subjects and myocardial infarction patients. Proc. 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society , Minneapolis, USA, Sep 2-6, 1754-7, ISBN 978-1-4244-3296-7 .
Link
Karsikas M, Noponen K, Tulppo M, Huikuri H & Seppänen T (2009)
Beat-to-beat variation of three-dimensional QRS-T angle measures during exercise test. Proc. Computers in Cardiology Conference, Park City, USA, Sep 13-16, 36:125-128, ISSN 0276−6574.
Link
Kiviniemi A, Tulppo M, Seppänen T, Norton K, Frances M, Nolan R, Huikuri H, Shoemaker K (2009)
Effects of aging, hypertension, and diabetes on low-frequency arterial pressure oscillations Poster. Experimental Biology 2009, Apr 18-22, New Orleans, USA.
Kortelainen J, Koskinen M, Mustola S & Seppänen T (2009)
Effects of remifentanil on the spectrum and quantitative parameters of electroencephalogram in propofol anesthesia. Anesthesiology, 111:574-83.
Kortelainen J, Koskinen M, Mustola S & Seppänen T (2009)
Remifentaniili vaikuttaa aivosähkökäyrän muutoksiin propofoli-induktion aikana. Duodecim, 125:1750.
Kortelainen J, Koskinen M, Mustola S & Seppänen T (2009)
Effect of remifentanil on the nonlinear electroencephalographic entropy parameters in propofol anesthesia. Proc. 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Minneapolis, USA, Sep 2-6, 4994-7.
Noponen K, Karsikas M & Seppänen T (2009)
A method for robustly determining the relative orientation of vectorcardiographic loop structures. Proc. 11th IUPESM World Congress on Medical Physics and Biomedical Engineering, Munich, Germany, Sep 7-12, 1158-1161 , ISBN 978-3-642-03881-5 .
Noponen K, Kortelainen J & Seppänen T (2009)
Invariant trajectory classification of dynamical systems with a case study on ECG Pattern Recognition, 42(9):1832-44.
Noponen K, Seppänen T (2009)
Calculating optimal virtual lead from multichannel ECG by minimizing morphological beat-to-beat variability Proc. Computers in Cardiology Conference, Park City, USA, Sep 13-16.
Seppänen T, Koskinen M, Seppänen TM, Alho O-P (2009)
Continuous assessment of nasal airflow resistance by adaptive modeling Physiological Measurement, 30:1197-209.
Seydou F, Duraiswami R, Seppänen T (2009)
Computation of singular and hypersingular boundary integrals by Green identity and application to boundary value problems Engineering Analysis with Boundary Analysis, 33:1124-31.
Seydou F, Ramahi O & Seppänen T (2009)
Computation of the Helmholtz eigenvalues in a class of chaotic cavities using the multipole expansion technique. IEEE Transactions on antennas and propagation, 57(4):1169-1177.
Seydou F, Ramahi O, Seppänen T (2009)
Coated photonic crystals: computation of the green tensor and analysis of the bandgap Journal of Engineering Mathematics, 65:243-55.
Tiinanen S, Kiviniemi A, Tulppo M & Seppänen T (2009)
Time-frequency representation of cardiovascular signals during handgrip exercise. Proc. 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Minneapolis, USA, Sep 2-6, 1:1762-5.
Link
Tiinanen S, Tulppo M & Seppänen T (2009)
RSA component extraction from heart rate signal by independent component analysis. Proc. Computers in Cardiology Conference, Park City, USA, Sep 13-16, 36:161-164 , ISSN 0276−6574 .
Link
2008
Hautala A, Kiviniemi A, Mäkikallio T, Tiinanen S, Seppänen T, Huikuri H & Tulppo M (2008)
Muscle sympathetic nerve activity at rest compared to exercise tolerance. European Journal of Applied Physiology, 102:533-538.
Iivonen A, Seppänen T, Noponen K & Toivanen J (2008)
Makro- ja mikroprosodian yhteensovittaminen perussävelkontuurissa Poster. Fonetiikan päivät, Jan 11-12, Tampere, Finland. .
Karsikas M, Huikuri H & Seppänen T (2008)
Improving reliability of total-cosine R-to-T (TCRT) in patients with acute myocardial infarction. Proc. Computers in Cardiology 2008, Bologna, Italy, 35:373-376.
Karsikas M, Huikuri H, Seppänen T (2008)
A Method for estimating severity of myocardial infarction from multi-channel ECG for monitoring of cardiac patients Proc. 11th International Symposium on Wireless Personal Multimedia Communications, Saariselkä, Finland.
Koivikko M, Perkiömäki J, Karsikas M, Salmela P, Tapanainen J, Ruokonen A, Seppänen T & Huikuri H (2008)
Effects of controlled hypoglycemia on cardiac repolarization in type I diabetes. Diabetologia, 51:426-35.
Kortelainen J, Koskinen M, Mustola S, Seppänen T (2008)
Remifentanil modifies the relation of electroencephalographic spectral changes and clinical end points in propofol anesthesia Anesthesiology, 109:198-205.
Kortelainen J, Koskinen M, Mustola S, Seppänen T (2008)
EEG spectral changes and onset of burst suppression pattern in propofol/remifentanil anesthesia Proc. 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Vancouver, Canada, Aug 20-24, 4980-3.
Kortelainen J, Koskinen M, Mustola S, Seppänen T (2008)
Time-frequency properties of electroencephalogram during induction of anesthesia Neuroscience Letters, 446:70-4.
Lehtola L, Karsikas M, Koskinen M, Huikuri H & Seppänen T (2008)
Effects of noise and filtering on SVD based morphological parameters of ECG Journal of Medical Engineering and Technology, 32:400-7.
Liikkanen L, Huvio E, Jacucci G, Väyrynen E & Seppänen T (2008)
Developing affective intelligence for an interactive installation. Insights from a design process. Workshop on Corpora for Research on Emotion and Affect (LREC 2008), Marrakech, Morocco, 104-107.
Opas-Hänninen LL, Jokelainen M, Juuso I & Seppänen T (eds) (2008)
The Book of Abstracts of Digital Humanities 2008 Oulu, Finland.
Opas-Hänninen LL, Seppänen T (2008)
Investigating the expression of stance in Samuel Beckett’s prose works Proc. PALA2008, Annual Conference of the Poetics and Linguistics Association, Sheffield, UK, July 23-26.
Opas-Hänninen LL, Seppänen T, Karsikas M & Tiinanen S (2008)
2D and 3D visualization of stance in popular fiction Digital Humanities 2008, Oulu, Finland, June 25-29, 169-170.
Partala J & Seppänen T (2008)
On the conjugacy search problem and left conjugacy closed loops Applicable Algebra in Engineering, Communication and Computing, 19:311-22.
Peltola M, Tulppo M, Kiviniemi A, Hautala A, Seppänen T, Barthel P, Bauer A, Schmidt G, Huikuri H & Mäkikallio T (2008)
Respiratory sinus arrhythmia as a predictor of sudden cardiac death after myocardial infarction. Annals of Medicine, 40:376-382.
Perkiömäki J, Hyytinen-Oinas M, Karsikas M, Seppänen T, Junttila J, Raatikainen P, Uusimaa P, Ylitalo K & Huikuri H (2008)
Electrocardiographic vector loop parameters in postinfarction patients with vulnerability to life-threatening ventricular tachyarrhytmias Europace 2008, 10:75/3, An abstract.
Seydou F & Seppänen T (2008)
An iterative microwave breast cancer detection method. Proc. the Czech and Slovak Microwave and Radioelectronics Week 2008 Conference, Prague, Czech Republic, April 23-25, 1-3.
Seydou F, Duraiswami R, Seppänen T (2008)
Numerical solution of electromagnetic scattering by multiple cylinders. ACES Journal, 23.
Seydou F, Ramahi O & Seppänen T (2008)
Quasi-Analytical Computation of Energy Levels and Wave Functions in a Class of Chaotic Cavities with Inserted Objects. Mathematical Modeling, Simulation, Visualization and e-Learning, Springer, Berlin, Heidelberg, 3-15.
Seydou F, Ramahi O, Seppänen T (2008)
Computation of the induced electromagnetic field for a head model in a multiple scattering environment Proc. IEEE AP-S International Symposium on Antennas and Propagation and 2008 USNC/URSI National Radio Science Meeting, San Diego, California, July 05-12, On CD-ROM.
Seydou F, Seppänen T, Ramahi O (2008)
Boundary integral simulation of closed and open cylindrical cavities International Review of Physics, April:On CD-ROM.
Tiinanen S, Tulppo M & Seppänen T (2008)
Reducing the effect of respiration in baroreflex sensitivity estimation with adaptive filtering IEEE Transactions on Biomedical Engineering, 55:51-9.
Toivanen J, Seppänen T, Väyrynen E (2008)
Emotions in spoken Finnish: Cues for the human listener and the computer 101-8, Book chapter in Emotions in Voice. Plural Publishing.
Toivanen J, Seppänen T, Väyrynen E. (2008)
Automatic discrimination of emotion from voice: a review of research paradigms. 3:67-77, Book chapter in Emotions in Voice. Plural Publishing.
Toivanen J, Väyrynen E, Seppänen T (2008)
Automatic discrimination of emotions in spoken Finnish: research utilizing the MediaTeam Speech Corpus Proc. the first Finnish Symposium for Emotions and Human-Technology Interaction, EHTI'08, Tampere, Finland, May 30, 43-7.
Varanka M & Seppänen T (2008)
Estimating running performance from physiological data Poster. Finnish Society's Medical Physics and Medical Engineering Day 2008, Feb 7, Oulu, Finland.
Varanka M, Erkkilä K, Noponen K, Mäkelä K & Seppänen T (2008)
Automatic road slipperiness detection of heavy duty vehicles Proc. 11th International Symposium on Wireless Personal Multimedia Communications, AutoICT 2008, Saariselkä, Finland.
Väyrynen E, Toivanen J, Seppänen T (2008)
Emotion discrimination with increasing time windows in spoken Finnish Fonetik, Göteborg, Sweden, June 11-13, 53-6.
Väyrynen P, Noponen K & Seppänen T (2008)
Preliminaries to Finnish word prediction Glottotheory, 1:65–73.
Väyrynen P, Noponen K & Seppänen T (2008)
Multi-word prediction for legal English context: A study of abbreviated codes for legal English text production. SKY Journal of Linguistics, (21):219-241.
2007
Hyytinen-Oinas M, Perkiömäki J, Karsikas M, Seppänen T, Raatikainen P, Uusimaa P, Ylitalo K, Huikuri H (2007)
Is abnormal ventricular repolarization a specific feature in patients with vulnerability to ventricular tachyarrhythmias after myocardial infarction? Int J Cardiol, 119(Suppl.):S20(P38).
Karsikas M, Perkiömäki J, Huikuri H, Lehtola L, Seppänen T (2007)
Influence of paper electrocardiogram digitizing on T wave and QRS complex morphology parameters Annals of Noninvasive Electrocardiology, 12(4):282-90.
Karsikas M, Perkiömäki J, Huikuri H, Seppänen T (2007)
Influence of size and location of myocardial infarction to TCRT parameter: a computer simulation study Proc. 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Lyon, France, August 23-26, 1414-17.
Kiviniemi A, Huikuri H, Hautala A, Tiinanen S, Seppänen T, Mäkikallio T, Tulppo M. (2007)
Physiological Background of Prevalent Low-Frequency Pscillation of R-R Intervals. Proc. Nordic Congress of Cardiology, Oulu, Finland, International Journal of Cardiology, Vol 119, Suppl. June 2007, page 34., June 6-8.
Kortelainen J, Koskinen M, Mustola S, Seppänen T (2007)
EEG frequency progression during induction of anesthesia: from start of infusion to onset of burst suppression pattern Proc. 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Lyon, France, Aug 23-26, 1570-3.
Partala J, Seppänen T (2007)
ElGamal encryption in Paige loops JP Journal of Algebra, Number Theory and Applications, 7:285-96.
Perkiömäki J., Koivikko M, Karsikas M, Salmela P, Tapanainen J, Ruokonen A, Seppänen T, Huikuri H (2007)
Effects of controlled hypoglycemia on cardiac repolarization in type I diabetes American Heart Assoc., Circulation (Suppl.), 116(16).
Perkiömäki JS, Hyytinen-Oinas M, Junttila J, Karsikas M, Seppänen T, Huikuri HV (2007)
P-wave morphology and sudden cardiac death after acute myocardial infarction J Cardiovasc Electrophysiol, 18(Suppl.2):S8.
Seydou F, Ramahi O & Seppänen T (2007)
Annular Photonic Crystals: Computation and Analysis of the Green\'s Function waveguide Antennas and Propagation Society International Symposium, 2007 IEEE, June 9-15, 2245-2248.
Seydou F, Ramahi O, Seppänen T & Bizheva K (2007)
Semi-analytical model of light scattering from living cells. The International Biomedical Optics Symposium, January 20-21, 2007, San Jose, CA, USA, On CD-ROM.
Tulppo M, Kiviniemi A, Hautala A, Kallio M, Tiinanen S, Seppänen T & huikuri H. (2007)
Sympatho-Vegal interaction during the recovery phase after exercise. Nordic Congress of Cardiology, Oulu, Finland, International Journal of Cardiology, Suppl 119, 2007, p. 36, June 6-8.
Tulppo MP, Kiviniemi A, Hautala A, Kallio M, Tiinanen S, Seppänen T, Huikuri H (2007)
Association between heart rate recovery and sympathetic outflow ACSM Annual meeting, Abstract book, 91.
Varanka M, Tiinanen S, Kiviniemi A, Kinnunen H, Tulppo M & Seppänen T. (2007)
Estimating running performance from physiological data. Proc. Second International Symposium on Medical Information and Communication Technology (ISMICT\'07), CD-ROM, Oulu, Finland, December 11-13.
Väyrynen P, Noponen K, Seppänen T (2007)
Analysing performance in a word prediction system with multiple prediction methods Computer Speech and Language, 21:479-91.
Väyrynen P, Noponen K, Seppänen T. (2007)
An experimental word prediction system with integrated prediction components Journal of Quantitative Linguistics, in press.
2006
Hautala A, Kiviniemi A, Mäkikallio T, Tiinanen S, Seppänen T, Huikuri H, Tulppo M. (2006)
Peripheral sympathetic outflow correlates with the response to endurance training. 11th European Collage of Sport Science (ECSS) annual meeting, Lausanne, Switzerland 2006. Book of Abstracts p.304.
Hautala A, Kiviniemi A, Mäkikallio T, Tiinanen S, Seppänen T, Huikuri H, Tulppo MP (2006)
Relationship between sympathetic outflow and physical performance. 8th Scandinavian Congress of Medicine and Science in Sports (SCMSS), Vierumäki, Finland, 2006. book of Abstracts, page 27.
Hautala A, Kiviniemi A, Mäkikallio T, Tiinanen S, Seppänen T, Huikuri H, Tulppo MP (2006)
Sympaattinen neuraalinen aktiivisuus on yhteydessä fyysiseen suorituskykyyn. 8th Scandinavian Congress of Medicine and Science in Sports (SCMSS), Vierumäki, Finland, 2006. Liikunta ja tiede 43, 5, 2006, sivu 30.
Hosio M, Rautiainen M, Juuso I, Hanski I, Kortelainen J, Varanka M, Seppänen T, Ojala T (2006)
Personal video manager: a tool for navigating in video archives Poster. Digital Humanities 2006, Jul 5-9, 2006, Paris, France.
Junttila J, Anttonen O, Giustetto C, Gaita F, Linna E, Karsikas M, Seppänen T, Perkiömäki J, Mäkikallio T, Brugada R (2006)
T-wave morphology in short QT syndrome Heart Rhythm, 3(5):S230.
Kiviniemi A, Hautala A, Mäkikallio T, Seppänen T, Huikuri H, Tulppo M. (2006)
Cardiac vagal outflow after aerobic training by analysis of high-frequency oscillation of the R-R interval. European Journal of Applied Physiology, April 2006; 96(6):686-692. .
Kiviniemi A, Huikuri H, Hautala A, Tiinanen S, Seppänen T, Mäkikallio T, Tulppo M. (2006)
Changes in fluctuation pattern of cardiovascular signals during sympathetic activation. 11th European Collage of Sport Science (ECSS) annual meeting, Lausanne, Switzerland 2006. Book of Abstracts p.301.
Kiviniemi A, Tulppo M, Hautala A, Mäkikallio T, Seppänen T, Huikuri H. (2006)
Novel analysis of high-frequency R-R interval oscillations predicts sudden cardiac death after an acute myocardial infarction. Submitted for evaluation, 2006.
Kiviniemi A, Tulppo M, Wichterle D, Hautala A, Tiinanen S, Seppänen T, Mäkikallio T & Huikuri T (2006)
Novel spectral indexes of heart rate variability as predictors of sudden and non-sudden cardiac death after an acute myocardial infarction. Annals of Medicine, 39(1):54-62.
Kortelainen J, Noponen K, Seppänen T (2006)
Visualization and removal of ECG motion artifacts Poster. Finnish Society's Medical Physics and Medical Engineering Day 2006, Feb 9, Tampere, Finland.
Koskinen M, Mustola S, Seppänen T (2006)
Forecasting the unresponsiveness to verbal command on the basis of EEG frequency progression during anesthetic induction with propofol IEEE Transactions on Biomedical Engineering, 53:2008-14.
Link
Koskinen M, Seppänen T, Tong S, Mustola S, Thakor N (2006)
Monotonicity of approximate entropy during transition from awareness to unresponsiveness due to propofol anesthetic induction IEEE Transactions on Biomedical Engineering, 53:669-75.
Linna E, Perkiömäki J, Karsikas M, Seppänen T, Savolainen M, Kesäniemi A, Huikuri H (2006)
Functional significance of KCNH2 (HERG) K897T polymorphism on cardiac repolarization assessed by analysis of T-wave morphology Annals of Noninvasive Electrocardiology, 11(1):57-62.
Löytynoja M, Cvejic N, Seppänen T (2006)
Watermark-based Counter for Restricting Digital Audio Consumption. Journal of Signal Processing, 3(1):17-23, 2006.
Niemelä T, Kiviniemi A, Hautala A, Jurvelin H, Tiinanen S, Seppänen T, Tulppo MP (2006)
The recovery pattern of baroreflex sensitivity after exercise. 8th Scandinavian Congress of Medicine and Science in Sports (SCMSS), Vierumäki, Finland, 2006. book of Abstracts, page 65.
Niemelä T, Kiviniemi A, Hautala A, Jurvelin H, Tiinanen S, Seppänen T, Tulppo MP (2006)
Barorefleksiherkkyyden palautuminen fyysisen kuormituksen jälkeen. 8th Scandinavian Congress of Medicine and Science in Sports (SCMSS), Vierumäki, Finland, 2006. Liikunta ja tiede 43, 5, 2006, sivu 35.
Perkiömäki J, Hyytinen-Oinas M, Karsikas M, Seppänen T, Hnatkova K, Malik M, Huikuri H (2006)
Usefulness of T-wave loop and QRS complex loop to predict mortality after acute myocardial infarction The American Journal of Cardiology, 97:353-60.
Seydou F, Ramahi O, Duraiswami R, Seppänen T (2006)
A numerical computation of Green\'s function in two-dimensional finite-size photonic crystal of infinite length. Optics Express Vol. 14, No. 23, 2006, pp. 11362-11371.
Link
Seydou F, Ramahi O, Seppänen T. (2006)
A quasi-analytical approach for finding the Helmholtz eigenvalues in a class of chaotic cavities. Submitted for evaluation in Physical Review E, 2006.
Seydou F, Ramahi O, Seppänen T. (2006)
Analytical computation of energy levels and wave functions in chaotic cavities. Invited speech. Bellagio International Workshop on Mathematical Modeling, Simulation, Visualization and e-Learning. 20-26 November, 2006. Bellagio, Italy.
Seydou F, Seppänen T. (2006)
A volume integral method in inverse scattering. IEEE AP-S International Symposium, USNC/URSI National Radio Science Meeting AMEREM Meeting, July 9-14, 2006, Albuquerque, New Mexico. In print.
Toivanen J, Waaramaa T, Alku P, Laukkanen A-M, Seppänen T, Väyrynen E, Airas M. (2006)
Emotions in [a:]: A perceptual and acoustic study. Logopedics Phoniatrics Vocology. 2006;31(1):43-48.
Tulppo M, Kiviniemi A, Hautala A, Mäkikallio T, Tiinanen S, Seppänen T, Huikuri H. (2006)
Association between baroreflex sensitivity and aerobic fitness after dynamic exercise. ACSM annual meeting 2006. Med Sci Sports Exer. Suppl, vol 38, p. 18, 2006.
Tulppo MP, Kiviniemi A, Hautala A, Kallio M, Tiinanen S, Seppänen T, Huikuri H (2006)
Sydämen sykkeen palautuminen on yhteydessä sympaattiseen aktiivisuuteen 8th Scandinavian Congress of Medicine and Science in Sports (SCMSS), Vierumäki, Finland, 2006. Liikunta ja tiede 43, 5, 2006, sivu 43.
2005
Kiviniemi A, Tulppo M, Hautala A, Mäkikallio T, Seppänen T & Huikuri H (2005)
A novel heart rate variability index of cardiac vagal outflow predicts sudden cardiac death after an acute myocardial infarction. Annual Meeting of Heart Rhythm Society, New Orleans, USA,, (an abstract).
Kiviniemi A, Tulppo M, Hautala A, Mäkikallio T, Tiinanen S, Seppänen T, Huikuri H. (2005)
Uusi sykevaihtelumenetelmä ennustaa sydänperäistä äkkikuolemaa sydäninfarktipotilailla. Liikuntalääketieteen Päivät, Helsinki, Finland, 27-28.10.2005.
Kortelainen J, Seppänen T. (2005)
Simulation of motion artifacts in VCG and ECG Proc. Finnish Signal Processing Symposium 2005 (FINSIG'05), Kuopio, Finland, 19-22.
Koskinen M, Mustola S, Seppänen T (2005)
Relation of EEG progression to loss of responsiveness during induction of anesthesia with propofol Clinical Neurophysiology, 116:2069-76.
Link
Lilja J, Juuso I, Kortelainen T, Seppänen T & Suominen V (2005)
Mitä katsoja kertoo elokuvasta – elokuvan sisäisten elementtien tunnistaminen ja sisällönkuvailu. Informaatiotutkimus (Information Research magazine, peer-reviewed), 23(3):59-69.
Mäkiranta M, Ruohonen J, Suominen K, Niinimäki J, Sonkajärvi E, Kiviniemi V, Seppänen T, Alahuhta S, Jäntti V & Tervonen O (2005)
BOLD signal increase preceeds EEG spike activity - a dynamic penicillin induced focal epilepsy in deep anesthesia. NeuroImage , 27:715-724.
Perkiömäki JS, Hyytinen-Oinas M, Karsikas M, Seppänen T, Hnatkova K, Malik M & Huikuri HV (2005)
T-wave loop and QRS complex loop variables and mortality in postinfarction patients. Europace, 7(Suppl.1):7(31).
Seppänen T. (2005)
Text corpora analysis tools – a look ahead. The Finnish Society for the Study of English. FINSSE 2005, Helsinki, Finland, August 19, 2005. .
Seydou F, Ramahi O & Seppänen T (2005)
Multiple electromagnetic scattering from multilayered cylindrical waveguide. Proc. 2005 IEEE AP-S International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 3-8, 2005, Washington, DC, USA, 3A:204- 207.
Seydou F, Ramahi O & Seppänen T (2005)
Biosensors for subsurface detection of biological anomalies including tumors. Proc. 2005 IEEE AP-S International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 3-8, 2005, Washington, DC, USA, 3A:811-814.
Seydou F, Ramahi O & Seppänen T (2005)
Multiple multipole method for resonances in a chaotic resonator. Proc. 2005 IEEE AP-S International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 3-8, 2005, Washington, DC, USA, 3B:459-462.
Seydou F, Ramahi O & Seppänen T (2005)
An integral equation method for the scattering from multiple multilayered cylinders. Proc. 2005 IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics. 3-7 April, 2005, Honolulu, Hawaii, 305-308.
Seydou F, Seppänen T & Ramahi O (2005)
Numerical solution of 3D Laplace and Helmholtz equations for parallel scatterers. Proc. 2005 IEEE AP-S International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 3-8, 2005, Washington, DC, USA, 2B:97-100.
Seydou F, Seppänen T & Ramahi O (2005)
Identification of particles in complex structures from scattering data by an optimization method. Proc. 2005 IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics. 3-7 April, 2005, Honolulu, Hawaii, 397-400.
Tiinanen S, Seppänen T & Tulppo M (2005)
Comparison of baroreflex sensitivity estimators using spontaneous and controlled breathing. Proc. Finnish Signal Processing Symposium (FINSIG'05), Kuopio, Finland, 16-18.
Toivanen J & Seppänen T (2005)
Antti Iivonen (2005)
Puheen prosodiikkaan perustuva tiedonhaku äänitallanteista. Puheen salaisuudet, Gaudeamus Kirja, Tampere, Finland, 207-229.
Toivanen J, Alku P, Laukkanen A-M, Seppänen T, Väyrynen E, Waaramaa T. (2005)
Emotions in /a:/: A perceptual and acoustic study. 6th Pan European Voice Conference (PEVOC-6), 31 Aug – 3 Sept, 2005, London, England. Accepted.
Tulppo M, Kiviniemi A, Kallio M, Hautala A, Seppänen T, Mäkikallio T & Huikuri H (2005)
Physiological background for the loss of fractal heart rate dynamics in humans. Circulation, 112(3):314-319.
Väyrynen E, Keränen H, Seppänen T & Toivanen J (2005)
Performance of f0Tool: A new speech analysis software for analyzing large speech data sets. Proc. 2nd Baltic Conference on Human Language Technologies, Tallinn, Estonia , 353-358.
Väyrynen E, Toivanen J & Seppänen T (2005)
Gender differences in the ability to recognize emotional content from speech. Fonetik 2005, Göteborg, Sweden, 119-122.
2004
Iivonen A, Seppänen T, Noponen K & Toivanen J (2004)
Puhujan temporaalisen äänialan visualisointisovellus. Puhe ja kieli, 24:5-16.
Kiviniemi A, Hautala A, Seppänen T, Mäkikallio T, Huikuri H & Tulppo M (2004)
Saturation of high-frequency oscillations of R-R intervals in healthy subjects and patients after acute myocardial infarction during ambulatory conditions. American Journal of Physiology - Heart and Circulatory Physiology, 287(5):H1921-1927.
Koho K, Suutala J, Seppänen T & Röning J (2004)
Footstep pattern matching from pressure signals using segmental semi-Markov models. Proc. 12th European Signal Processing Conference (EUSIPCO 2004), Vienna, Austria, 1609-1612.
Mäkiranta M, Ruohonen J, Suominen K, Sonkajärvi E, Salomäki T, Kiviniemi V, Seppänen T, Alahuhta S, Jäntti V & Tervonen O (2004)
BOLD-contrast functional MRI signal changes related to intermittent rhythmic delta activity in EEG during voluntary hyperventilation - Simultaneous EEG and fMRI study. NeuroImage 2004, 22(1):222-231.
Perkiömäki JS, Niskasaari E, Karsikas M, Seppänen T, Huikuri HV (2004)
T-wave and QRS complex morphology and ventricular tachyarrhythmias Europace, 6(Suppl.1):34/5.
Rautiainen M, Hosio M, Hanski I, Varanka M, Kortelainen J, Ojala T, Seppänen T (2004)
TRECVID 2004 experiments at MediaTeam Oulu Gaithersburg, USA, Proc. TRECVID Workshop at Text Retrieval Conference TREC 2004.
Salo M, Seppänen T, Mäkikallio T & Huikuri H (2004)
Effects and significance of premature beats on fractal correlation properties of R-R interval dynamics. Annals of Noninvasive Electrocardiology, 9(2):127-135.
Seydou F & Seppänen T (2004)
Photonic crystals : from theory to practice. Mali Symposium on Applied Sciences, August 2-5, 2004, Bamako, Mali , 74-83.
Seydou F, Duraiswami R, Gumerov NA & Seppänen T (2004)
TM electromagnetic scattering from 2D multilayered dielectric bodies – numerical solution. ACES Journal, 19(2):100-107.
Seydou F, Ramahi O & Seppänen T (2004)
A multipole expansions solution of acoustic wave propagation in vocal tract. Proc. IEEE AP-S International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Monterey, California, USA, 631-634.
Seydou F, Ramahi O, Duraiswami R & Seppänen T (2004)
Computation of Green´s function for finite-size photonic crystals by Boundary Element method. Proc. IEEE AP-S International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Monterey, California, USA, 4320-4323.
Seydou F, Seppänen T & Ramahi O (2004)
An efficient optimization method for the reconstruction of multiple profiles. Proc. IEEE AP-S International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Monterey, California, USA, 209-212.
Toivanen J, Väyrynen E & Seppänen T (2004)
Automatic recognition of emotion from spoken Finnish: a preliminary study. Language and Speech, 47(4):383-412.
2003
Hautala A, Mäkikallio TH, Seppänen T, Huikuri HV, Tulppo MP: (2003)
Short-term correlation properties of R-R interval dynamics at different exercise intensity levels. Clinical Physiology and Functional Imaging 23, 4, pp. 215-223, 2003. .
Jokinen V, Tapanainen J, Seppänen T, Huikuri H. (2003)
Temporal changes and prognostic significance of measures of heart rate dynamics after acute myocardial infarction in the beta-blocking era. Am J Cardiol, 92:907-912, 2003.
Korpipää P, Koskinen M, Peltola J, Mäkelä S-M & Seppänen T (2003)
A Bayesian approach to sensor-based mobile device context recognition. Personal and Ubiquitous Computing 7(2):113-124.
Lindgren KS, Mäkikallio TH, Seppänen T, Raatikainen MJP, Castellanos A, Myerburg RJ, Huikuri HV. (2003)
Heart rate turbulence after ventricular and atrial premature beats among the subjects without a structural heart disease. Journal of Cardiovascular Electrophysiology, Vol. 14, No. 5, May 2003, pp. 447-452. .
Nissinen S, Mäkikallio T, Seppänen T, Tapanainen J, Salo M, Tulppo M, Huikuri H. (2003)
Heart rate recovery after exercise as a predictor of mortality among survivors of acute myocardial infarction. The American Journal of Cardiology, Vol. 91, Issue 6, March 15, 2003.
Rautiainen M, Penttilä J, Pietarila P, Noponen K, Hosio M, Koskela T, Mäkelä SM, Peltola J, Liu J, Ojala T, Seppänen T (2003)
TREC Video Retrieval Evaluation Online Proceedings TRECVID 2003, Gaithersburg, MD, USA.
Seppänen T, Toivanen J, Väyrynen E. (2003)
MediaTeam Speech Corpus: a first large Finnish emotional speech database. The 15th International Congress of Phonetic Sciences in Barcelona, August 3-9, 2003. pp. 2469-2472.
Seppänen T, Väyrynen E, Toivanen J. (2003)
Prosody-based classification of emotions in spoken Finnish. 8th European conference on speech communication and technology (Eurospeech2003), Geneva, Switzerland, 1-4.9.2003., pp. 717-720.
Seydou F, Duraiswami R, Gumerov NA, Seppänen T. (2003)
Electromagnetic scattering from a M multilayered cylindrical waveguide via an integral equation approach. Applied Computational Electromagnetics Society Conference 2003 (ACES 2003), Monterey, California, USA, 24-28.3.2003. Accepted.
Seydou F, Duraiswami R, Seppänen T. (2003)
A boundary element method for electromagnetic scattering by multiple cylinders. 2003 IEEE AP-S International Symposium on Antennas and Propagation and USNC/CNC/URSI North American Radio Science Meeting, Columbus, Ohio, USA on June 22-27, 2003, pp. 3:516-519.
Seydou F, Duraiswami R, Seppänen T. (2003)
Electromagnetic scattering from a multilayered cylindrical waveguide. . 2003 IEEE AP-S International Symposium on Antennas and Propagation and USNC/CNC/URSI North American Radio Science Meeting, Columbus, Ohio, USA on June 22-27, 2003, pp. 322-327.
Seydou F, Duraiswami R, Seppänen T. (2003)
Integral Equation Solution of Electromagnetic Scattering from A Multilayered Cylindrical Waveguide. 2003 IEEE AP-S International Symposium on Antennas and Propagation and USNC/CNC/URSI North American Radio Science Meeting, Columbus, Ohio, USA on June 22-27, 2003, pp. 3:524-527.
Seydou F, Duraiswami R, Seppänen T. (2003)
Three Dimensional Acoustic Scattering from an M Multilayered Domain Via an Integral Equation Approach. 2003 IEEE AP-S International Symposium on Antennas and Propagation and USNC/CNC/URSI North American Radio Science Meeting, Columbus, Ohio, USA on June 22-27, 2003, pp. 1:669-672.
Seydou F, Duraiswami R, Seppänen T. (2003)
Analysis of Photonic Crystals by Single Integral Equations. Progress in Electromagnetics Research Symposium (PIERS), Honolulu, Hawaii, USA, October 13-16, 2003. Accepted.
Seydou F, Gumerov NA, Duraiswami R, Seppänen T. (2003)
Two methods for solving a 3D acoustic inverse scattering problem. 145th Meeting of the Acoustical Society of America, Nashville, Tennessee, USA, 28.4.-2.5.2003. J. Acoust. Soc. Am. 113, p. 2283.
Seydou F, Seppänen T, Duraiswami R. (2003)
Profile reconstruction in multilayered media. Applied Computational Electromagnetics Society Conference 2003 (ACES 2003), Monterey, California, USA, 24-28.3.2003. Accepted.
Seydou F, Seppänen T, Duraiswami R. (2003)
A Simplified Newton Method for the Inverse Orthotropic Problem. 2003 IEEE AP-S International Symposium on Antennas and Propagation and USNC/CNC/URSI North American Radio Science Meeting, Columbus, Ohio, USA on June 22-27, 2003, pp. 1:535-538.
Seydou F, Seppänen T, Duraiswami R. (2003)
A Simplified Newton Method for the Inverse Orthotropic Problem. 2003 IEEE AP-S International Symposium on Antennas and Propagation and USNC/CNC/URSI North American Radio Science Meeting, Columbus, Ohio, USA on June 22-27, 2003, pp. 1:535-538.
Seydou F, Seppänen T, Duraiswami R. (2003)
A 2D Profile Reconstruction in a Multilayered Waveguide structure. 2003 IEEE AP-S International Symposium on Antennas and Propagation and USNC/CNC/URSI North American Radio Science Meeting, Columbus, Ohio, USA on June 22-27, 2003, pp. 1:531-534.
Toivanen J, Seppänen T, Väyrynen E (2003)
Automatic recognition of emotion in spoken Finnish: preliminary results and applications International AAI workshop on Prosodic Interfaces, Nantes, France, May 27-29, 85-89.
Toivanen J, Seppänen T, Väyrynen E, Noponen K (2003)
Emootiot puheessa - puhetta emootioista Abstract. The 30th Finnish Conference of Linguistics 2003, May 15-16, Joensuu, Finland.
Toivanen J, Seppänen T. (2003)
Creation and Utilization of the MediaTeam Emotional Speech Corpus. Corpus linguistics 2003, Lancaster, UK, 28.3.-1.4.2003, pp. 16(2):791-799.
Väyrynen E, Seppänen T, Toivanen J. (2003)
An experiment in emotional content classification of spoken Finnish using prosodic features. Finsig’2003, Tampere, Finland, May 19, 2003, pp. 264-267.
Väyrynen P, Noponen K & Seppänen T (2003)
Utilising linguistic knowledge in word prediction in man-machine communication In Nenonen M (ed.) Papers from the 30th Finnish Conference of Linguistics, Joensuu, Finland, May 15-16, 232-6.
2002
Iivonen A, Seppänen T, Noponen K, Toivanen J (2002)
Puhujan pragmaattisen temporaalisen äänialan visualisointimenetelmä ja -ohjelmisto Proc. Fonetiikan päivät 2002, Espoo, Finland, Aug 30-31, 123-32.
Mäkikallio TH, Huikuri HV, Myerburg RJ, Seppänen T, Kloosterman M, Interian A Jr., Castellanos A, Mitrani RD. (2002)
Differences in the activation patterns between sustained and self-terminating episodes of human ventricular fibrillation. Annals of Medicine 34, pp. 130-135, 2002.
Rautiainen M, Penttilä J, Vorobiev D, Noponen K, Väyrynen P, Hosio M, Matinmikko E, Mäkelä SM, Peltola J, Ojala T, Seppänen T (2002)
TREC 2002 Video Track experiments at MediaTeam Oulu and VTT Proc. Text Retrieval Conference TREC 2002 Video Track, Gaithersburg, MD, USA.
Seydou F, Peltola, J, Seppänen T, Väyrynen P. (2002)
Experimental comparison of HMM and DP-matching methods for phoneme-based Finnish word recognition. 2nd Mali Symposium on Applied Sciences. Bamako, Mali. July 8-12, 2002. pp. 63-66.
Seydou F, Seppänen T, Peltola, J, Väyrynen P. (2002)
Phoneme-based Recognition of Finnish Words with Dynamic Dictionaries. . 2nd Mali Symposium on Applied Sciences. Bamako, Mali. July 8-12, 2002. pp. 67-72.
Seydou F, Seppänen T. (2002)
Remarks on an optimization method in profile inversion. 2002 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting. San Antonio, Texas, USA. 16-21 June 2002, pp. 1:300-303.
Seydou F, Seppänen T. (2002)
A simplified Newton method in scattering theory: the TE case. 2002 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting. San Antonio, Texas, USA. 16-21 June 2002, pp. 2:102-105.
Seydou F, Seppänen T. (2002)
Two methods for profile reconstruction in scattering theory. AMEREM 2002. Annapolis, Maryland, 2-7 June 2002. In print.
Särkelä M, Mustola S, Seppänen T, Koskinen M, Lepola P, Suominen K, Juvonen T, Tolvanen-Laakso H, Jäntti V (2002)
Automatic analysis and monitoring of burst suppression in anaesthesia and ICU Journal of Clinical Monitoring and Computing, 17:125-34.
Toivanen J, Seppänen T, Noponen K (2002)
Automatic analysis of the prosody of second language speech Linguistics and Phonetics 2002 (LP2002), Meikai University, Urayasu, Japan, Sep 2-6, pp. 34-6.
Toivanen J, Seppänen T, Väyrynen E. (2002)
MediaTeam Emotional Speech Corpus for Finnish. Fourth North American Symposium on Corpus Linguistics. Indianapolis, USA, 2-4-11.2002. Accepted.
Toivanen J, Seppänen T. (2002)
Prosody-based search features in information retrieval. Fonetik 2002. TMH-QPSR report of KTH Department of Speech, Music and Hearing, Stockholm, 2002. pp. 105-108.
Väyrynen P, Seppänen T, Noponen K, Juuso I (2002)
Kielellisen tiedon hyödyllisyydestä kieliteknologian eri sovellusalueilla Informaatiotutkimus, 21:59-66.
2001
Koskinen M, Seppänen T, Tuukkanen J, Yli-Hankala A, Jäntti V (2001)
Propofol anaesthesia induces phase synchronization changes in EEG Clinical Neurophysiology, 112:386-92.
Mäntyjärvi J, Himberg J, Seppänen T. (2001)
Recognizing human motion with multiple acceleration sensors. 2001 IEEE International Conference on Systems, Man, and Cybernetics (SMC2001). Tucson, Arizona, U.S.A, 7.10.-10.10.2001, pp. 2:747-752.
Salo MA, Seppänen T, Huikuri HV. (2001)
Ectopic Beats in Heart Rate Variability Analysis: Effects of Editing on Time and Frequency Domain Measures. Annals of Noninvasive Electrocardiology, 2001;6(1), pp. 5-17.
Seydou F, Seppänen T. (2001)
A boundary integral method for a multi-layered problem. 2001 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, Boston, Massachusetts, 8-13.7.2001, pp. 4: 854-857. .
Tulppo MP, Hughson R, Mäkikallio TH, Airaksinen KEJ, Seppänen T, Huikuri HV. (2001)
Effects of exercise and passive head-up tilt on fractal and complexity properties of heart rate dynamics. Am J Physiol - Heart and Circulatory Physiology, 280: H1081-H1087, 2001.
Tulppo MP, Mäkikallio TH, Seppänen T, Shoemaker K, Tutungi E, Hughson RL, Huikuri HV. (2001)
Effects of pharmacological adrenergic and vagal modulation on fractal heart rate dynamics. Clin Phys 21, 5, 515-523, 2001.
Vuorinen O, Seppänen T, Lilleberg J, Kolehmainen T & Röning J (2001)
Adaptive filtering of cyclostationary interference from speech. Proc. International IEEE Conference on Electronics, Circuits, and Systems (ICECS 2001), September 2-5, Malta,Vol. 3, 1175-1178.
Vuorinen O, Seppänen T, Lilleberg, J, Kolehmainen T, Röning J. (2001)
Adaptive filtering of cyclostationary interference from speech. ICECS 2001, International IEEE Conference on Electronics, Circuits, and Systems. Malta, 2-5.9.2001, vol. 3, pp. 1175 - 1178. .
2000
Koskinen M, Seppänen T, Tuukkanen J, Jäntti V (2000)
Phase synchronization in EEG changes during induction and recovery from propofol anesthesia Digest of Papers of the 2000 World Congress on Medical Physics and Biomedical Engineering and the Proceedings of the 22nd Annual International Conference of the IEEE Engineering in Medicine and Biolog.
Mäkikallio TH, Tulppo MP, Seppänen T, Huikuri HV. (2000)
Analysis of nonlinear heart rate dynamics in cardiac arrhytmias. Invited paper for Hertzschrittmachertherapie und Elektrophysiologie, 11:131-138 (2000).
Mäntylä V-M, Mäntyjärvi J, Seppänen T, Tuulari E. (2000)
Hand gesture recognition of a mobile device user. IEEE International Conference on multimedia and Expo, ICME2000, New York, USA, 30.7.- 28.2000, pp. 281-284.
Särkelä M, Koskinen M, Seppänen T, Mustola S, Jäntti V (2000)
Burst-suppression detection from EEG with adaptive segmentation. Analysis of biomedical signals and images Proc. 15th international EURASIP conference EuroConference Biosignal 2000, Brno University of Technology, Brno, Czech Republic, June 21-23, pp. 105-7.
Tolvanen-Laakso H, Särkelä M, Seppänen T, Yli-Hankala A, Talja P, Viertiö-Oja H, Jäntti V, Meriläinen P, Tuukkanen J. (2000)
Sedation scale detection with MLAEPs morphology during anesthesia induction with two different types of neural networks. Digest of Papers of the 2000 World Congress on Medical Physics and Biomedical Engineering and the Proceedings of the 22nd Annual International Conference of the IEEE Engineering in Medicine and Biolog.
Tuulonen A, Alanko H, Hyytinen P, Veijola J, Seppänen T, Airaksinen PJ. (2000)
Digital imaging and microtexture analysis of nerve fiber layer. Journal of Glaucoma, 2000, 9:5-9.
Väyrynen P, Peltola J, Seppänen T. (2000)
Enhancing phoneme recognizer performance with a simple rule-based language model. SteP2000 – Millennium of Artificial Intelligence. ‘AI of Tomorrow’: Symposium on Theory. The 9th Finnish Artificial Intelligence Conference. Helsinki University of Technology. Espoo, 28-30 August 200.
1999
Tapanainen MT, Seppänen T, Laukkanen R, Loimaala A, Huikuri HV. (1999)
Significance of the accuracy of RR interval detection for the analysis of new dynamic measures of heart rate variability. Annals of Noninvasive Electrocardiology, 1999;4(1):10-18.
1998
Huikuri HV, Mäkikallio TH, Airaksinen KEJ, Seppänen T, Puukka P, Räihä IJ, Sourander LB. (1998)
Power-law relationship of heart rate variability as a predictor of mortality in the elderly. Circulation, Vol. 97, 1998, pp. 2031-2036.
Tulppo MP, Mäkikallio TH, Seppänen T, Airaksinen KEJ, Huikuri HV. (1998)
Heart rate dynamics during accentuated sympatho-vagal interaction. Am J Physiol, 1998, H810-816.
Tulppo MP, Mäkikallio TH, Seppänen T, Laukkanen RL, Huikuri HV. (1998)
Vagal modulation of heart rate during exercise: effects of age and physical fitness. Am J Physiol, 274 (Heart Circ. Physiol. 49): H424-H429, 1998.
1997
Mäkikallio TH, Seppänen T, Airaksinen KEJ, Koistinen J, Tulppo MP, Peng C-K, Goldberger AL, Huikuri HV. (1997)
Dynamic analysis of heart rate may predict subsequent ventricular tachycardia after myocardial infarction. Am J Cardiol, Vol 80, Sept. 15, 1997, pp. 779-783.