Trygve Christian Eftestøl

Professor i informasjonsteknologi

Trygve Christian Eftestøl
51832035
Det teknisk-naturvitenskapelige fakultet
Institutt for data- og elektroteknologi
KE E-435
Publikasjoner
Tilbake
  • Vitenskapelige publikasjoner
  • Bøker og kapitler

    • Urdal, Jarle

      (2020)

      Signal Processing for Newborn Survival - from Labour to Resuscitation.

      ISBN 978-82-7644-942-6.

      Hefte 535.

    • Meinich-Bache, Øyvind; Austvoll, Ivar

      (2020)

      Automatic Video Analysis in Resuscitation.

      ISBN 978-82-7644-900-6.

      Hefte 499.

    • Vu, Thi Phuong Huyen

      (2016)

      Respiratory-cardio signal processing and analysis of resuscitation data on newborns in low-resource settings.

      ISBN 978-82-7644-661-6.

      Hefte 302.

    • Oppedal, Ketil; Aarsland, Dag; Beyer, Mona K.

      (2016)

      White Matter Lesions and Pattern Recognition in MRI of Neurodegenerative Dementia.

      ISBN 978-82-7644-674-6.

      Hefte 313.

    • Oskal, Kay Raymond

      (2016)

      Myocardial damage during mountain bike race - an analysis of data from Nordsjørittet 2014 (NEEDED study).

      Universitetet i Stavanger.

    • Eftestøl, Trygve

      (2000)

      Signal analysis of out-of-hospital cardiac arrest electrocardiograms for decision support during cardiopulmonary resuscitation.

  • Formidling

    • Kanwal, Neel; Eftestøl, Trygve Christian; Khoraminia, Farbod; Tahlita C. M, Zuiverloon; Engan, Kjersti

      (2023)

      Vision Transformers for Small Histological Datasets Learned Through Knowledge Distillation.

      27th Pacific-Asia Conference on Knowledge Discovery and Data Mining, PAKDD 2023;

      2023-05-25 - 2023-05-28.

    • Fuster Navarro, Saul; Eftestøl, Trygve Christian; Engan, Kjersti; Kiraz, Umay; Janssen, Emiel; Kvikstad, Vebjørn

      (2022)

      Towards Automatic Staging of Non-Muscle Invasive Bladder Cancer.

      NORA 2022;

      2022-06-09 - 2022-06-10.

    • Fuster Navarro, Saul; Eftestøl, Trygve Christian; Engan, Kjersti; Kiraz, Umay; Janssen, Emiel; Kvikstad, Vebjørn

      (2022)

      Towards Automatic Staging of NonMuscle Invasive Bladder Cancer.

      hAIST 22;

      2022-06-13 - 2022-06-14.

    • Fuster Navarro, Saul; Eftestøl, Trygve Christian; Engan, Kjersti; Kiraz, Umay; Kvikstad, Vebjørn; Janssen, Emiel

      (2022)

      Invasive Cancerous Area Detection in Non-Muscle Invasive Bladder Cancer Whole Slide Images.

      IVMSP 2022;

      2022-06-26 - 2022-06-29.

    • Fuster Navarro, Saul; Eftestøl, Trygve Christian; Engan, Kjersti

      (2022)

      Nested Multiple Instance Learning with Attention Mechanisms.

      ICMLA 2022;

      2022-12-12 - 2022-12-14.

    • Wetteland, Rune; Engan, Kjersti; Eftestøl, Trygve Christian

      (2021)

      Parameterized Extraction of Tiles in Multilevel Gigapixel Images (Oral presentation).

      International Symposium on Image and Signal Processing and Analysis;

      2021-09-13 - 2021-09-15.

    • Fuster Navarro, Saul; Engan, Kjersti; Eftestøl, Trygve Christian

      (2021)

      A Nested Multiple Instance Learning Framework.

      NOBIM 2021;

      2021-09-13 - 2021-09-14.

    • Eftestøl, Trygve Christian; Stokka, Svein Erik; Kvaløy, Jan Terje; Rad, Ali Bahrami; Irusta, Unai; Aramendi, Elisabete; Alonso, Erik; Nordseth, Trond; Skogvoll, Eirik; Wik, Lars; Kramer-Johansen, Jo

      (2020)

      A probabilistic function to model the relationship between quality of chest compressions and the physiological response for patients in cardiac arrest.

      Computing in Cardiology 2020;

      2020-09-13 - 2020-09-16.

    • Urdal, Jarle; Engan, Kjersti; Eftestøl, Trygve Christian; Yarrot, Ladislaus Blacy; Kidanto, Hussein; Ersdal, Hege Langli

      (2019)

      Noise and Contraction Detection using Fetal Heart Rate and Accelerometer Signals During Labour .

      17th Scandinavian Conference on Health Informatics (SHI2019);

      2019-11-12 - 2019-11-13.

    • Wetteland, Rune; Engan, Kjersti; Kvikstad, Vebjørn; Eftestøl, Trygve Christian; Janssen, Emiel

      (2019)

      Multiscale Deep Neural Networks for Multiclass Tissue Classification of Histological Whole-Slide Images.

      Medical Imaging with Deep Learning: MIDL 2019.

    • Larsen, Simen Norrheim; Eftestøl, Trygve Christian; Ferreira, Daniel; Westman, Eric; Abdelnour, Carla; Aarsland, Dag; Oppedal, Ketil

      (2019)

      Data-assisted differential diagnosis of dementia by deep neural networks .

      Mohn Medical Imaging and Visualization Centre Conference;

      2019-12-09 - 2019-12-10.

    • Bakke, Magnus; Borgen, Alexander; Norvik, Anders; Skjeflo, Gunnar Waage; Irusta, Unai; Tannvik, Tomas Dybos; Bergum, Daniel; Aramendi, Elisabete; Eftestøl, Trygve Christian; Skogvoll, Eirik

      (2019)

      Physiological effects of adrenaline in human cardiac arrest from PEA - a pilot study .

      Resuscitation Science Symposium;

      2019-11-16 - 2019-11-17.

    • Schulz, Jörn; Kvaløy, Jan Terje; Engan, Kjersti; Eftestøl, Trygve Christian; Jatosh, Samwel; Hussein, Kidanto; Ersdal, Hege Langli

      (2019)

      State transition modeling of complex monitored health data.

      5th Joint Statistical Meeting DAGStat 2019;

      2019-03-18 - 2019-03-22.

    • Meinich-Bache, Øyvind; Engan, Kjersti; Eftestøl, Trygve Christian; Austvoll, Ivar

      (2018)

      KINECT MODELLING OF CHEST COMPRESSIONS - A FEASIBILITY STUDY FOR CHEST COMPRESSION DEPTH MEASUREMENT USING DIGITAL STRATEGIES.

      International Conference on Image Processing (ICIP);

      2018-10-07 - 2018-10-10.

    • Nordseth, Trond; Skogvoll, Eirik; Eftestøl, Trygve Christian; Kvaløy, Jan Terje

      (2018)

      THE DYNAMIC CLINICAL COURSE OF PEDIATRIC ADVANCED LIFE SUPPORT IN IN-HOSPITAL CARDIAC ARREST .

      Resuscitation Science Symposium;

      2018-11-10 - 2018-11-11.

    • Nordseth, Trond; Eftestøl, Trygve Christian; Skogvoll, Eirik; Kvaløy, Jan Terje

      (2018)

      WHICH FACTORS PROMOTE TRANSITION FROM PEA TO SPONTANEOUS CIRCULATION AND PEA RECURRENCE IN CHILDREN? .

      Resuscitation Science Symposium;

      2018-11-10 - 2018-11-11.

    • Eftestøl, Trygve Christian; Stokka, Svein Erik; Kvaløy, Jan Terje; Rad, Ali Bahrami; Irusta, Unai; Aramendi, Elisabete; Alonso, Erik; Nordseth, Trond; Skogvoll, Eirik; Wik, Lars; Kramer-Johansen, Jo

      (2018)

      A machine learning approach to model a probabilistic relationship between parameters reflecting quality of chest compressions and physiological response during out-of-hospital cardiopulmonary resuscitation.

      ERC Congress 2018;

      2018-09-20 - 2018-09-22.

    • Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Ørn, Stein; Kleiven, Øyunn

      (2018)

      High Frequency Noise Detection and Handling in ECG Signals.

      European Signal Processing Conference 2018;

      2018-09-03 - 2018-09-07.

    • Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Kleiven, Øyunn; Ørn, Stein

      (2018)

      Invariant electrical mean axis in electrocardiogram.

      Computing in cardiology 2018 ;

      2018-09-23 - 2018-09-26.

    • Wetteland, Rune; Engan, Kjersti; Eftestøl, Trygve Christian; Kvikstad, Vebjørn; Janssen, Emiel

      (2018)

      Histological Image Segmentation of Bladder Cancer Using Machine Learning.

      NOBIM 2018 - National conference on image processing and pattern recognition;

      2018-03-12 - 2018-03-13.

    • Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Rong, Chunming; Ørn, Stein; Kleiven, Øyunn

      (2018)

      Noise detection and handling in ECG signals.

      Norsk Forening for Bildebehandling og Mønstergjenkjenning;

      2018-03-12 - 2018-03-13.

    • Khanmohammadi, Mahdieh; Engan, Kjersti; Eftestøl, Trygve Christian; sæland, charlotte; Larsen, Alf Inge

      (2017)

      SEGMENTATION OF CORONARY ARTERIES FROM X-RAY ANGIOGRAPHY SEQUENCES DURING CONTRAST FLUID PROPAGATION BY IMAGE REGISTRATION.

      IEEE Signal Processing ;

      2017-11-14 - 2017-11-16.

    • Urdal, Jarle; Engan, Kjersti; Eftestøl, Trygve Christian; Kidanto, Hussein; Yarrot, Ladislaus Blacy; Eilevstjønn, Joar; Ersdal, Hege Langli

      (2017)

      Signal Processing and Classification for Identification of Clinically Important Parameters During Neonatal Resuscitation.

      IEEE International Conference on Signal and Image Processing Applications (IEEE ICSIPA 2017);

      2017-09-12 - 2017-09-14.

    • Meinich-Bache, Øyvind; Engan, Kjersti; Eftestøl, Trygve Christian; Austvoll, Ivar

      (2017)

      Detecting Chest Compression Depth Using a Smartphone Camera and Motion Segmentation.

      Scandinavian Conference on Image Analysis;

      2017-06-12 - 2017-06-14.

    • Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve; Ørn, Stein; Woie, Leik

      (2015)

      Segmentation of LG Enhanced Cardiac MRI.

      Bioimagin, Biosted;

      2015-01-12 - 2015-01-15.

    • Vu, Huyen; Eftestøl, Trygve; Engan, Kjersti; Eilevstjønn, Joar; Linde, Jørgen Erland; Ersdal, Hege

      (2015)

      Exploratory Analysis of Ventilation Signals from Resuscitation Data of Newborns.

      Biosignals, Biostec;

      2015-01-12 - 2015-01-15.

    • Eftestøl, Trygve Christian; Singsaas, Erlend; Engan, Kjersti; Woie, Leik; Ørn, Stein

      (2015)

      Automatic Detection of Microvascular Obstruction in Patients with Myocardial Infarction.

      Computing in Cardiology 2015;

      2015-09-06 - 2015-09-09.

    • Eftestøl, Trygve Christian

      (2015)

      Biomedical data analysis.

      Norway Pumps & Pipes;

      2015-10-01.

    • Engan, Kjersti; Woie, Leik; Eftestøl, Trygve

      (2014)

      Defining Angular and Radial Positions and Parameters for Myocardial Pixels in Cardiac MR Images.

      Computing in Cardiology 2014;

      2014-09-07 - 2014-09-10.

    • Huyen, Vu; Eftestøl, Trygve; Engan, Kjersti; Eilevstjønn, Joar; Linde, Jørgen Erland; Ersdal, Hege

      (2014)

      Exploratory Analysis of Heart Rate Changes in Newborns to Investigate the Effectiveness of Bag-Mask Ventilation.

      Computing in Cardiology 2014;

      2014-09-07 - 2014-09-10.

    • Eftestøl, Trygve; Måløy, Frode; Engan, Kjersti; Kotu, Lasya Priya; Woie, Leik; Ørn, Stein

      (2014)

      A Texture-based Probability Mapping for Localisation of Clinically Important Cardiac Segments in the Myocardium in Cardiac Magnetic Resonance Images from Myocardial Infarction Patients.

      International Conference on Image Processing (ICIP) ;

      2014-10-27 - 2014-10-30.

    • Rad, Ali Bahrami; Eftestøl, Trygve; Kvaløy, Jan Terje; Ayala, Unai; Kramer-Johansen, Jo; Engan, Kjersti

      (2014)

      Nearest-manifold classification approach for cardiac arrest rhythm interpretation during resuscitation.

      International COnference on Acoustics, Speech, and Signal Processing (ICASSP) ;

      2014-05-04 - 2014-05-09.

    • Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve; Woie, Leik; Schuchter, Arthur; Ørn, Stein

      (2013)

      Automatic Detection of Heart Center in Late Gadolinium Enhanced MRI.

      MEDICON (Mediterranean Conference on Medical and Biological Engineering and Computing);

      2013-09-25 - 2013-09-28.

    • Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve; Ørn, Stein; Woie, Leik

      (2013)

      Automatic Segmentation of the Epicardium in Late Gadolinium Enhanced Cardiac MR Images.

      Computing in Cardiology;

      2013-09-22 - 2013-09-25.

    • Måløy, Frode; Woie, Leik; Eftestøl, Trygve; Engan, Kjersti; Ørn, Stein

      (2013)

      Measuring the Degree of Fibrosity of Myocardial Scars from Late Gadolinium- Enhanced Cardiovascular Magnetic Resonance Images.

      Computing in Cardiology;

      2013-09-22 - 2013-09-25.

    • Rad, Ali Bahrami; Eftestøl, Trygve; Kvaløy, Jan Terje; Ayala, Unai; Kramer-Johansen, Jo; Engan, Kjersti

      (2013)

      Probabilistic Classification Approaches for Cardiac Arrest Rhythm Interpretation during Resuscitation.

      Computing in Cardiology;

      2013-09-22 - 2013-09-25.

    • Eftestøl, Trygve

      (2013)

      Signal and image processing projects in the biomedical data analysis research group.

      Sogndalsstrand 2013;

      2013-11-25 - 2013-11-27.

    • Eftestøl, Trygve

      (2012)

      Chest compressions: The good, the bad and the ugly.

      Resuscitation.

      ISSN 0300-9572.

      Volum 83.

      Hefte 2.

      s.143-144.

      DOI: 10.1016/j.resuscitation.2011.12.022

    • Kotu, Lasya Priya; Engan, Kjersti; Eftestøl, Trygve; Woie, Leik; Ørn, Stein; Katsaggelos, Aggelos

      (2012)

      LOCAL BINARY PATTERNS USED ON CARDIAC MRI TO CLASSIFY HIGH AND LOW RISK PATIENT GROUPS.

      EUSIPCO 2012;

      2012-08-27 - 2012-08-31.

    • Eftestøl, Trygve; Woie, Leik; Engan, Kjersti; Kvaløy, Jan Terje; Nilsen, Dennis W.T.; Ørn, Stein

      (2012)

      Texture Analysis to Assess Risk of Serious Arrhythmias after Myocardial Infarction.

      Computing in Cardiology 2012;

      2012-09-09 - 2012-09-12.

    • Eftestøl, Trygve; Kvaløy, Jan Terje; Nilsen, Dennis W.T.; Woie, Leik

      (2012)

      Analysis of Intracardiac Electrogram Changes.

      Computing in Cardiology 2012;

      2012-09-09 - 2012-09-12.

    • Ayala, U; Aramendi, Elisabete; Irusta, Unai; Alonso, E; gonzales-otero, digna; Eftestøl, Trygve; Kramer-Johansen, Jo; Ingason, Andres

      (2012)

      Recommendations of the American Heart Association on the rhythm library specifications for the development of shock advice algorithms: Do they reflect the real scenario?.

      Resuscitation.

      ISSN 0300-9572.

      Volum 83.

      s.e66-e67.

    • de Gauna, Sofia Ruiz; gonzales-otero, digna; Ruiz, Jesus; Ayala, U; Alonso, E; Eftestøl, Trygve; Kramer-Johansen, Jo

      (2012)

      Is rhythm analysis during chest compression pauses for ventilation feasible?.

      Resuscitation.

      ISSN 0300-9572.

      Volum 83.

      s.e8-e8.

    • Oppedal, Ketil; Engan, Kjersti; Aarsland, Dag; Beyer, Mona Kristiansen; Tysnes, Ole-Bjørn; Eftestøl, Trygve

      (2012)

      Using local binary pattern to classify dementia in MRI.

      IEEE International Symposium on Biomedical Imaging ;

      2012-05-02 - 2012-05-05.

    • Nordseth, Trond; Edelson, Dana P.; Bergum, Daniel; Olasveengen, Theresa Mariero; Eftestøl, Trygve; Abella, Benjamin; Skogvoll, Eirik

      (2011)

      Optimal CPR Loop Duration for Asystole and Pulseless Electrical Activity During In-Hospital Cardiac Arrest.

      Circulation.

      ISSN 0009-7322.

      Volum 124.

      Hefte 21.

    • Kotu, Lasya Priya; Engan, Kjersti; Eftestøl, Trygve; Ørn, Stein; Woie, Leik

      (2011)

      TEXTURE CLASSIFICATION OF SCARRED AND NON-SCARRED MYOCARDIUM IN CARDIAC MRI USING LEARNED DICTIONARIES.

      ICIP 2011;

      2011-09-11 - 2011-09-14.

    • Kotu, Lasya Priya; Engan, Kjersti; Eftestøl, Trygve; Ørn, Stein; Woie, Leik

      (2011)

      Segmentation of Scarred and Non-Scarred Myocardium in LG Enhanced CMR Images using Intensity-Based Textural Analysis.

      EMBC 2011;

      2011-08-30 - 2011-09-03.

    • Nordseth, Trond; Edelson, DP; Bergum, Daniel; Olasveengen, Theresa Mariero; Eftestøl, Trygve; Abella, Ben; Skogvoll, Eirik

      (2011)

      Optimal CPR Loop Duration for Asystole and PEA during In-Hospital Cardiac Arrest.

      Resuscitation Science Symposium;

      2011-11-12 - 2011-11-13.

    • Nordseth, Trond; Edelson, DP; Bergum, Daniel; Olasveengen, Theresa Mariero; Eftestøl, Trygve; Abella, Ben; Skogvoll, Eirik

      (2011)

      Prevalence and Development of Clinical States during In-Hospital Cardiac Arrest.

      Resuscitation Science Symposium;

      2011-11-12 - 2011-11-13.

    • Engan, Kjersti; Eftestøl, Trygve; Ørn, Stein; Kvaløy, Jan Terje; Woie, Leik

      (2010)

      Exploratory Data Analysis of Image Texture and Statistical Features on Myocardium and Infarction Areas in Cardiac Magnetic Resonance Images.

      International Conference of the IEEE Engineering in Medicine and Biology Society;

      2010-08-31 - 2010-09-04.

    • Pampanin, D.M.; Ravagnan, E.; Apeland, S.; Aarab, N.; Godal, B.F.; Westerlund, S.; Hjermann, Dag Øystein; Eftestøl, Trygve; Budka, M.; Gabrys, B.; Viarengo, A.; Barsiene, J.

      (2010)

      The marine environment IQ concept Developing an index of the quality of the marine environment based on biomarkers: Integration of pollutant effects on marine organisms.

      Comparative Biochemistry and Physiology A.

      ISSN 1095-6433.

      Volum 157.

      Hefte 1.

      s.S52-S52.

      DOI: 10.1016/j.cbpa.2010.06.148

    • Kvaløy, Jan Terje; Skogvoll, Eirik; Eftestøl, Trygve; Gundersen, Kenneth; Kramer-Johansen, Jo; Olasveengen, Theresa Mariero; Steen, Petter Andreas

      (2010)

      Analysing clinical state transitions during cardiopulmonary resuscitation.

      ISCB2010;

      2010-08-29 - 2010-09-02.

    • Thorsen, Kari Anne Haaland; Eftestøl, Trygve; Rong, Chunming; Steen, Petter Andreas

      (2009)

      An Integrated Information Sharing Structure for Resuscitation Data.

      AINA (Advanced Information Networking and Applications) 2009;

      2009-05-26 - 2009-05-29.

    • Kjosmoen, Thomas; Ryen, Tom; Eftestøl, Trygve

      (2009)

      Exploring the combinatorics of motif alignments for accurately computing E-values from p-values.

      International Conference on Bioinformatics and Biotechnology;

      2009-04-28 - 2009-04-30.

    • Eftestøl, Trygve

      (2009)

      Controlling true positive rate in ROC analysis.

      Computers in Cardiology 2009;

      2009-09-13 - 2009-09-16.

    • Olasveengen, Theresa Mariero; Eftestøl, Trygve; Gundersen, Kenneth; Steen, Petter Andreas; Wik, Lars; Sunde, Kjetil

      (2008)

      Ventricular fibrillation characteristics are different in patients with coronary heart disease compared to patients with a primary arrhythmia.

      Resuscitation.

      ISSN 0300-9572.

      Hefte 77.

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Olasveengen, Theresa Mariero; Eftestøl, Trygve

      (2008)

      The effect of using within-patient correlation to improve shock outcome prediction.

      Resuscitation.

      ISSN 0300-9572.

      Hefte 77.

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Eftestøl, Trygve

      (2008)

      Using ECG-analysis to quantify the effect of increasing pre-shock pauses in chest compressions on the probability of ROSC.

      Resuscitation.

      ISSN 0300-9572.

      Hefte 77.

    • Kvaløy, Jan Terje; Skogvoll, Eirik; Eftestøl, Trygve; Gundersen, Kenneth; Kramer-Johansen, Jo; Olasveengen, Theresa Mariero; Steen, Petter Andreas

      (2008)

      Identifying factors influencing clinical state transitions in cardiac arrest resuscitation.

      Resuscitation.

      ISSN 0300-9572.

      Hefte 77.

    • Eftestøl, Trygve

      (2008)

      Signal processing and analysis of data from therapy of cardiac arrest patients.

      utenTitteltekst;

      2008-12-10.

    • Woie, L.; Eftestøl, Trygve; Kvaløy, Terje Jan; Aarsland, Torbjørn; Tjelta, K.; Nilsen, DWT

      (2008)

      Intracardiac electrocardiographic (EGM) morphology changes in patients with implantable cardioverter defibrillator (ICD).

      Circulation.

      ISSN 0009-7322.

      Hefte 12.

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Steen, Petter Andreas; Eftestøl, Trygve

      (2008)

      Using ECG-analysis to quantify the effect of increasing pre-shock pauses in chest compressions on the probability of ROSC.

      Ninth Congress of the European Resuscitation Council;

      2008-05-22 - 2008-05-24.

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Olasveengen, Theresa Mariero; Eilevstjønn, Joar; Eftestøl, Trygve

      (2008)

      The effect of using within-patient correlation to improve shock outcome prediction.

      Ninth Congress of the European Resuscitation Council;

      2008-05-22 - 2008-05-24.

    • Woie, L.; Eftestøl, Trygve; Kvaløy, Jan Terje; Aarsland, Torbjørn; Tjelta, K.; Nilsen, DWT

      (2008)

      Intracardiac electrocardiographic (EGM) morphology changes in patients with implantable cardioverter defibrillator (ICD).

      World Congress on Cardiology;

      2008-05-18 - 2008-05-21.

    • Johansen, Øystein; Ryen, Tom; Eftestøl, Trygve; Kjosmoen, Thomas; Ruoff, Peter

      (2008)

      Splice Site Prediction using Artificial Neural Networks.

      FIFTH INTERNATIONAL MEETING ON COMPUTATIONAL INTELLIGENCE METHODS FOR BIOINFORMATICS AND BIOSTATISTICS;

      2008-10-03 - 2008-10-04.

    • Eftestøl, Trygve

      (2007)

      Signal processing and pattern recognition in resuscitation science.

      Symposium on ECG signal processing;

      2007-07-05 - 2007-07-06.

    • Eftestøl, Trygve

      (2007)

      A research experience in bioengineering in Norway.

      Symposium on ECG signal processing;

      2007-07-05 - 2007-07-06.

    • Kvaløy, Jan Terje; Eftestøl, Trygve; Gundersen, Kenneth; Skogvoll, Eirik; Kramer-Johansen, Jo; Steen, Petter Andreas

      (2006)

      Analysis of factors influencing clinical state transitions in cardiac arrest.

      Resuscitation.

      ISSN 0300-9572.

      Hefte 69.

    • Skogvoll, Eirik; Eftestøl, Trygve; Gundersen, Kenneth; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Steen, Petter Andreas

      (2006)

      The dynamics of cardiac arrest - clinical state transitions during CPR.

      Resuscitation 2006;

      2006-05-10 - 2006-05-13.

    • Dragsund, Inge; Gundersen, Kenneth; Risdal, Martin; Kramer-Johansen, Jo; Abella, Ben; edelson, dana; Sterz, Fritz; Eftestøl, Trygve

      (2006)

      Analysing the dynamics of pulseless electrical activity during cardiopulmonary resuscitation.

      Computers in Cardiology 2006;

      2006-09-17 - 2006-09-20.

    • Eftestøl, Trygve; Ryen, Tom; Aase, Sven Ole; Strässle, Cassian; Boos, Marcus; Schuster, Guido M.; Ruoff, Peter

      (2006)

      Eukaryotic gene prediction by spectral analysis and pattern recognition techniques.

      The 7th Nordic Signal Processing Symposium - NORSIG 2006;

      2006-06-07 - 2006-06-09.

    • Eftestøl, Trygve; Skogvoll, Eirik; Gundersen, Kenneth; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Steen, Petter Andreas

      (2006)

      Information structuring and symbolic representation for analysis of resuscitation data.

      The 7th Nordic Signal Processing Symposium- NORSIG 2006;

      2006-06-07 - 2006-06-09.

    • Eftestøl, Trygve

      (2006)

      Matematikk på liv og død?.

      Åpen fagdag 2006;

      2006-11-29.

    • Risdal, Martin; Steen, Petter Andreas; Kramer-Johansen, Jo; Wik, Lars; Sterz, Fritz; Losert, Heidrun; Aase, Sven Ole; Eftestøl, Trygve

      (2006)

      Discriminating between PEA and pulse circulating rhythm using ECG.

      Resuscitation.

      ISSN 0300-9572.

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Eftestøl, Trygve; Steen, Petter Andreas; Kramer-Johansen, Jo; Wik, Lars; Sterz, Fritz; Losert, Heidrun; Aase, Sven Ole

      (2006)

      Improved shock outcome prediction from a random model.

      Resuscitation.

      ISSN 0300-9572.

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Eftestøl, Trygve; Steen, Petter Andreas; Kramer-Johansen, Jo; Wik, Lars; Sterz, Fritz; Losert, Heidrun; Aase, Sven Ole

      (2006)

      Random effects in shock outcome prediction.

      Resuscitation.

      ISSN 0300-9572.

    • Neurauter, Andreas; Eftestøl, Trygve; Kramer-Johansen, Jo; Wenzel, Volker; Lindner, Karl; Eilevstjønn, Joar; Myklebust, Helge; Steen, Petter Andreas; Strohmenger, Hans Ulrich

      (2006)

      Prediction of countershock success employing single feature analysis from ventricular fibrillation power bands or feature combination using neural networks.

      Resuscitation.

      ISSN 0300-9572.

    • Eftestøl, Trygve

      (2006)

      Waveform analysis - the way to improve survival?.

      Eigth Congress of the European Resuscitation Council;

      2006-05-10 - 2006-05-13.

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Eftestøl, Trygve; Steen, Petter Andreas; Kramer-Johansen, Jo; Wik, Lars; Sterz, Fritz; Losert, Heidrun; Aase, Sven Ole

      (2006)

      Random effects in shock outcome prediction.

      Resuscitation 2006;

      2006-05-10 - 2006-05-13.

    • Risdal, Martin; Losert, Heidrun; Sterz, Fritz; Aase, Sven Ole; Eftestøl, Trygve

      (2006)

      Using thoracic impedance for identification of return of spontaneous circulation during resuscitation.

      7th nordic signal processing symposium;

      2006-06-07 - 2006-06-09.

    • Risdal, Martin; Aase, Sven Ole; Eftestøl, Trygve

      (2005)

      Examining the Potential of Using Thorax Impedance Measured by Automated External Defibrillators for Quantification of Circulation.

      32nd annual international conference on Computers in Cardiology;

      2005-09-25 - 2005-09-28.

    • Risdal, Martin; Aase, Sven Ole; Eftestøl, Trygve

      (2005)

      Arbitrary feature space dimensionality reduction with focus on loss of discrimination for two-class problems.

      Norsk symposium i signalbehandling;

      2005-09-22 - 2005-09-24.

    • Risdal, Martin; Eftestøl, Trygve; Aase, Sven Ole; Steen, Petter Andreas; Sleveland, Tone; Wik, Lars; Kramer-Johansen, Jo; Sterz, Fritz; Losert, Heidrun

      (2005)

      Improving rhythm classification using electrocardiogram and thorax impedance recorded by automated external defibrillators.

      Norsk symposium i signalbehandling;

      2005-09-22 - 2005-09-24.

    • Risdal, Martin; Losert, Heidrun; Nysæther, Jon; Aase, Sven Ole; Sterz, Fritz; Eftestøl, Trygve

      (2005)

      NON-INVASIVE VENTILATION MONITORING DURING CARDIOPULMONARY RESUSCITATION BY MEANS OF THORACIC IMPEDANCE.

      3rd Eurpean Medical & Biological Engineering Conference;

      2005-11-20 - 2005-11-25.

    • Risdal, Martin; Losert, Heidrun; Nysæther, Jon; Aase, Sven Ole; Sterz, Fritz; Eftestøl, Trygve

      (2005)

      VENTILATION CLASSIFICATION FOR CARDIOPULMONARY RESUSCITATION QUALITY MONITORING USING THORACIC IMPEDANCE.

      3rd European Medical & Biological Engineering Conference;

      2005-11-20 - 2005-11-25.

    • Risdal, Martin; Stavland, Mette; Aase, Sven Ole; Eftestøl, Trygve

      (2005)

      IMPEDANCE-BASED VENTILATION DETECTION DURING CARDIOPULMONARY RESUSCITATION USING A NEURAL NETWORK.

      3rd European Medical & Biological Engineering Conference;

      2005-11-20 - 2005-11-25.

    • Eftestøl, Trygve

      (2005)

      Signalbehandling og mønstergjenkjenning innen akuttmedisin.

      Industrisemninar 2005, Norsk forening for bildebehandling og mønstergjenkjenning;

      2005-09-22.

    • Eftestøl, Trygve; Risdal, Martin; Eilevstjønn, Joar; Steen, Petter Andreas

      (2005)

      Advanced life support therapy on out-of-hospital cardiac arrest patients: Applying signal processing and pattern recognition methods.

      MIC Journal: Modeling, Identification and Control.

      ISSN 0332-7353.

      Volum 26.

      Hefte 4.

      s.221-235.

    • Eilevstjønn, Joar; Eftestøl, Trygve; Kramer-Johansen, Jo; Steen, Petter Andreas

      (2004)

      Reducing the no flow time in automated external defibrillation.

      Seventh Congress of the European Resuscitation Council, ERC;

      2004-09-08 - 2004-09-11.

    • Eftestøl, Trygve; Wik, Lars; Sunde, Kjetil; Steen, Petter Andreas

      (2004)

      CPR causes changes in predictors of VF defibrillation success during out-of-hospital cardiac arrest.

      Seventh Congress of the European Resuscitation Council;

      2004-09-08 - 2004-09-11.

    • Watson, Jamie; Uchaipichat, Nopadol; Addison, Paul S; Clegg, Gareth R; Robertson, Colin; Eftestøl, Trygve; Steen, Petter Andreas

      (2004)

      Novel wavelet transform methods predict defibrillation success for out-of-hospital cardiac arrest.

      Seventh Congress of the European Resuscitation Council;

      2004-09-08 - 2004-09-11.

    • Eftestøl, Trygve

      (2003)

      Ingeniøren, kan de hjelpe oss? Engineers - can they help us?.

      Den 6. skandinaviske HLR-kongressen;

      2003-09-04 - 2003-09-06.

    • Eilevstjønn, Joar; Eftestøl, Trygve; Steen, Petter Andreas

      (2003)

      Reducing The Hands-Off Interval By Filtering CPR Artefacts In ECG.

      The 6th Scandinavian CPR-congress;

      2003-09-04 - 2003-09-06.

    • Eilevstjønn, Joar; Husøy, John Håkon; Eftestøl, Trygve; Aase, Sven Ole; Steen, Petter Andreas

      (2002)

      Multichannel adaptive filtering using an efficient matching pursuit-like algorithm for removal of CPR artifacts in ECG signals.

      2002 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2002);

      2002-05-13 - 2002-05-17.

    • Uchaipichat, Nopadol; Addison, Paul S; Watson, Jamie; Clegg, Gareth R; Robertson, Colin; Steen, Petter Andreas; Eftestøl, Trygve

      (2002)

      Wavelet Power Spectrum Analysis of Cardiac Arrhythmias: Ventricular Fibrillation.

      The Engineering Institute of Thailand 24th Electrical Engineering Conference;

      2002-11-22 - 2002-11-23.

    • Addison, Paul S; Uchaipichat, Nopadol; Watson, Jamie; Clegg, Gareth R; Robertson, Colin; Steen, Petter Andreas; Eftestøl, Trygve

      (2002)

      Positional Depedence of Time-Frequency Information in the Electrocardiograph used for the Prediction of Successful Defibrillation.

      2nd European Medical and Biological Engineering Conference;

      2002-12-04 - 2002-12-08.

    • Uchaipichat, Nopadol; Watson, Jamie; Addison, Paul S; Clegg, Gareth R; Robertson, Colin; Steen, Petter Andreas; Eftestøl, Trygve

      (2002)

      Optimal pre-shock signal length for time-frequency classification used in the predicition of successful defibrillation.

      The International Congress on Biological and Medical Engineering 2002;

      2002-12-04 - 2002-12-07.

    • Eftestøl, Trygve; Sunde, Kjetil; Steen, Petter Andreas

      (2002)

      The effects of interrupting precordial compressions on the calculated probability of defibrillation success in out-of-hospital cardiac arrest patients.

      European Resuscitation Council Scientific Congress;

      2002-10-02 - 2002-10-05.

    • Sunde, Kjetil; Eftestøl, Trygve; Askenberg, Christian; Steen, Petter Andreas

      (2001)

      Kvalitetsvurdering av avansert hjerte-lunge-redning i ambulansetjenesten i Oslo ved analysering av defibrillatorens datamodul.

      NAF;

    • Sunde, Kjetil; Eftestøl, Trygve; Steen, Petter Andreas

      (2001)

      Prehospital hjertestans - resultater etter to års Utstein-registrering ved ambulansetjenesten i Oslo.

      NAF;

    • Addison, Paul S; Uchaipichat, Nopadol; Watson, Jamie; Clegg, Gareth R; Robertson, Colin; Steen, Petter Andreas; Eftestøl, Trygve

      (2001)

      Wavelet power spectrum-based prediction of successful defibrillation from ventricular fibrillation.

      Engineering in Medicine and Biology Society, 2001. The 23rd Annual International Conference of the IEEE , 2001;

      2001-10-25 - 2001-10-28.

    • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon

      (2000)

      Spectral characterization of ECG in out-of-hospital cardiac arrest patients.

      Computers in Cardiology 1999;

    • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon

      (2000)

      A method for detection of signal harmonics in the spectrum.

      Computers in Cardiology 1999;

    • Eftestøl, Trygve; Sunde, Kjetil; Aase, Sven Ole; Husøy, John Håkon; Steen, Petter Andreas

      (2000)

      Predicting defibrillation outcome from VF-characteristics in out-of-hospital cardiac arrest.

      Fifth congress of the European Resuscitation Council, ERC;

    • Sunde, Kjetil; Eftestøl, Trygve; Steen, Petter Andreas

      (2000)

      Survival rate depends on place of collapse in patients with out-of-hospital cardiac arrest in Oslo.

      Fifth congress of the European Resuscitation Council, ERC;

    • Eftestøl, Trygve; Sunde, Kjetil; Aase, Sven Ole; Husøy, John Håkon; Steen, Petter Andreas

      (2000)

      Monitoring the "probability of successful defibrillation" during CPR in out-of-hospital cardiac arrested patients.

      Scientific sessions 2000;

    • Aase, Sven Ole; Husøy, John Håkon; Eftestøl, Trygve

      (2000)

      Optimum CPR artefact removal in human ECG signals.

      Proc.Biosignal 2000;

      2000-06-26 - 2000-06-28.

    • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon

      (1999)

      Characterisation og changes in cardiac arrhythmias using spectral parameters.

      NORSIG '97;

    • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon

      (1999)

      Spectral flatness measure for characterising changes in cardiac arrhythmias.

      NOBIM konferansen 1998;

    • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon; Chang, H. K.; Zhang, Y. T.

      (1999)

      A flexible pattern recognition system for analysis of ECG and related demographics and annotations.

      20th Annual International Conference of the IEEE Engineering in Medicine and Biology Society;

    • Eftestøl, Trygve; Øien, G.E.

      (1998)

      ECG rhythm classification using artificial neural networks.

      IEEE DSP Workshop;

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