Et profilbilde

Professor
Sven Ole Aase { "honorific-suffix": "Professor", "fn": "Sven Ole Aase", "tel": "Telefon: 51832009", "email": "sven.o.aase@uis.no" }

Avdeling/enhet Det teknisk- naturvitenskapelige fakultet
Institutt/senter Institutt for data- og elektroteknikk
Rom KE E-427

Forskningsområder

Utvalgte publikasjoner

Pågående forskning

Arbeidserfaring

Vitenskapelige publikasjoner (fra CRISTin)

  • Chierchie, Fernando; Aase, Sven Ole (2015). Volterra models for digital PWM and their inverses. IEEE Transactions on Circuits and Systems Part 1: Regular Papers. ISSN 1549-8328. Volum 62. Hefte 10. s. 2606-2616. DOI: 10.1109/TCSI.2015.2476299.
  • Aase, Sven Ole (2014). Digital removal of pulse-width-modulation-induced distortion in class-D audio amplifiers. IET Signal Processing. ISSN 1751-9675. Volum 8. Hefte 6. s. 680-692. DOI: 10.1049/iet-spr.2013.0383.
  • Aase, Sven Ole (2012). A prefilter equalizer for pulse width modulation. Signal Processing. ISSN 0165-1684. Volum 92. Hefte 10. s. 2444-2453. DOI: 10.1016/j.sigpro.2012.03.006.
  • Risdal, Martin; Aase, Sven Ole; Kramer-Johansen, Jo; Eftestøl, Trygve (2008). Automatic identification of return of spontaneous circulation during cardiopulmonary resuscitation. IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 55. s. 60-68.
  • Risdal, Martin; Aase, Sven Ole; Kramer-Johansen, Jo; Eftestøl, Trygve (2008). Automatic identification of return of spontaneous circulation during cardiopulmonary resuscitation. IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 55. Hefte 1. s. 60-68.
  • Aase, Sven Ole; Ruoff, Peter (2007). Semi-algebraic optimization of temperature compensation in a general switch-type negative feedback model of circadian clocks. Journal of Mathematical Biology. ISSN 0303-6812. Volum doi:10.1007/s00285-0. s. 279-292.
  • Losert, Heidrun; Risdal, Martin; Sterz, Fritz; Nysæther, Jon; Köhler, Klemens; Eftestøl, Trygve; Wandaller, Cosima; Myklebust, Helge; Uray, Thomas; Aase, Sven Ole; laggner, anton n. (2007). Thoracic-impedance changes measured via defibrillator pads can monitor signs of circulation. Resuscitation. ISSN 0300-9572. Volum 73.
  • Risdal, Martin; Aase, Sven Ole; Stavland, Mette; Eftestøl, Trygve (2007). Impedance-based ventilation detection during cardiopulmonary resuscitation. IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 54. Hefte 12. s. 2237-2245.
  • 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. I: Proceedings of the 7th nordic signal processing symposium. IEEE conference proceedings.
  • Risdal, Martin; Losert, Heidrun; Sterz, Fritz; Aase, Sven Ole; Eftestøl, Trygve (2006). Using thoracic impedance for identification of return of spontaneous circulation during resuscitation. I: Proceedings of the 7th nordic signal processing symposium. IEEE conference proceedings.
  • Skretting, Karl; Husøy, John Håkon; Aase, Sven Ole (2006). General design algorithm for sparse frame expansions. Signal Processing. ISSN 0165-1684. Volum 86. Hefte 1. s. 117-126.
  • Risdal, Martin; Aase, Sven Ole; Eftestøl, Trygve (2005). Arbitrary feature space dimensionality reduction with focus on loss of discrimination for two-class problems. I: NORSIG 2005. Tapir Akademisk Forlag.
  • Risdal, Martin; Aase, Sven Ole; Eftestøl, Trygve (2005). Examining the Potential of Using Thorax Impedance Measured by Automated External Defibrillators for Quantification of Circulation. I: Conference Proceedings of Computers in Cardiology Conference, 2005. IEEE.
  • 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. International Federation for Medical and Biological Engineering Proceedings. ISSN 1680-0737. Volum 11.
  • Risdal, Martin; Losert, Heidrun; Nysæther, Jon; Aase, Sven Ole; Sterz, Fritz; Eftestøl, Trygve (2005). Ventilation classification for cardiopulmonary resuscitation quality monitoring using thoracic impedance. International Federation for Medical and Biological Engineering Proceedings. ISSN 1680-0737. Volum 11.
  • Risdal, Martin; Stavland, Mette; Aase, Sven Ole; Eftestøl, Trygve (2005). Impedance-based ventilation detection during cardiopulmonary resuscitation using a neural network. International Federation for Medical and Biological Engineering Proceedings. ISSN 1680-0737. Volum 11.
  • Ryen, Tom; Aase, Sven Ole; Husøy, John Håkon (2005). Rate-distortion optimal frame based compression of ECG signals. I: Norsk symposium i signalbehandling. Tapir Akademisk Forlag.
  • Eilevstjønn, Joar; Eftestøl, Trygve; Aase, Sven Ole; Myklebust, Helge; Husøy, John Håkon; Steen, Petter Andreas (2004). Feasibility of shock advice analysis during CPR through removal of CPR artefacts from the human ECG. Resuscitation. ISSN 0300-9572. Volum 61. s. 131-141.
  • Eilevstjønn, Joar; Eftestøl, Trygve; Aase, Sven Ole; Myklebust, Helge; Husøy, John Håkon; Steen, Petter Andreas (2004). Feasibility of shock advice analysis during CPR through removal of CPR artefacts from the human ECG. Resuscitation. ISSN 0300-9572. Volum 61. Hefte 61. s. 131-141.
  • Husøy, John Håkon; Eilevstjønn, Joar; Eftestøl, Trygve; Aase, S.O.; Myklebust, Helge; Steen, Petter Andreas (2002). Removal of cardiopulmonary resuscitation artifacts from human ECG using an efficent matching pursuit-like algorithm. IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 49. s. 1287-1298.
  • Husøy, John Håkon; Eilevstjønn, Joar; Eftestøl, Trygve; Aase, Sven Ole; Myklebust, Helge; Steen, Petter Andreas (2002). Removal of cardiopulmonary resuscitation artifacts from human ecg using an efficient matching pursuit-like algorithm. IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 49. Hefte 11. s. 1287-1298.
  • Eftestøl, Trygve; Sunde, Kjetil; Aase, S.O.; Husøy, John Håkon; Steen, Petter Andreas (2001). "Probability of successful defibrillation" as a monitor during CPR in out-of-hospital cardiac arrested patients. Resuscitation. ISSN 0300-9572. Volum 48. Hefte 3. s. 245-254.
  • Aase, Sven Ole; Husøy, John Håkon; Skretting, Karl; Engan, Kjersti (2001). General signal expansions for sparse representation. IEEE Transactions on Signal Processing. ISSN 1053-587X. Volum 49. Hefte 5. s. 1087-1098.
  • Eftestøl, Trygve; Sunde, Kjetil; Aase, Sven Ole; Husøy, John Håkon; Steen, Petter Andreas (2001). Probability of successful defibrillation' as a monitor during CPR in out-of-hospital cardiac arrested patients. Resuscitation. ISSN 0300-9572. Volum 48. s. 245-254.
  • Aase, S.O.; Eftestøl, Trygve; Husøy, John Håkon; Sunde, Kjetil; Steen, Petter Andreas (2000). CPR artifact removal from human ECG using optimal multichannel filtering. IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 47. s. 1440-1449.
  • Eftestøl, Trygve; Sunde, Kjetil; Aase, Sven Ole; Husøy, John Håkon; Steen, Petter Andreas (2000). Predicting outcome of defibrillation by spectral characterization and nonparametric classification of ventricular fibrillation in patients with out-of-hospital cardiac arrest. Circulation. ISSN 0009-7322. Volum 102. s. 1523-1529.
  • Aase, Sven Ole; Eftestøl, Trygve; Husøy, John Håkon; Sunde, Kjetil; Steen, Petter Andreas (2000). CPR artifact removal from human ECG using optimal multichannel filtering. IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 47. s. 1440-1449.
  • Eftestøl, Trygve; Sunde, Kjetil; Aase, Sven Ole; Husøy, John Håkon; Steen, Petter Andreas (2000). Predicting outcome of defibrillation by spectral characterization and nonparametric classification of ventricular fibrillation in patients with out-of-hospital cardiac arrest. Circulation. ISSN 0009-7322. Volum 102. s. 1523-1529.
  • Engan, Kjersti; Aase, Sven Ole; Husøy, John Håkon (2000). Multi-frame Compression: Theory and Design. Signal Processing. ISSN 0165-1684. Volum 80. Hefte 10. s. 2121-2140.
  • Aase, Sven Ole; Nygaard, Ranveig; Husøy, John Håkon; Haugland, Dag (1998). Optimised Time- and Frequency-Domain Methods for ECG Signal Compression. ?. Volum 5. s. 210-225.
  • Aase, Sven Ole; Ramstad, T.A. (1995). On the Optimality of Nonunitary Filter banks in Subband Coders. ?.
  • Aase, Sven Ole; Heber, J.; Husøy, John Håkon (1997). User manual for image compression evaluator, version 2.0:tech.rep. Technical note 7 for EU-project HC 1011, DiabCare Q-Net.
  • Aase, Sven Ole; Ribbum, B.; Husøy, John Håkon (1997). The DiabPack subband coder:tech.rep. Technical note 8 for EU-project HC 1011, DiabCare Q-Net.
  • Ribbum, B.; Aase, Sven Ole; Husøy, John Håkon (1997). Details for installing and running the DiabCare JPEG compression/ decompression program, version 2.0: tech.rep. Technical note 9 for EUproject HC 1011, DiabCare Q-Net.
  • Husøy, John Håkon; Aase, S.O. (1996). Compression of retinal images using a modified JPEG coder. Technical note 4 for EU-Project HC 1011, DiabCare Q-Net.
  • Husøy, John Håkon; Aase, S.O. (1996). User manual for image compression evaluator. Technical note 5 for EU-project HC 1011, DiabCare Q-Net.
  • Gundersen, Kenneth; Kvaløy, J.T.; Eftestøl, Trygve; Steen, Petter Andreas; Kramer-Johansen, Jo; Wik, Lars; Sterz, Fritz; Losert, F.; Aase, Sven Ole (2006). Random effects in shock outcome prediction.
  • 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.
  • 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.
  • 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. 2006-05-10 - 2006-05-13.
  • Risdal, Martin; Steen, Petter Andreas; Kramer-Johansen, Jo; Wik, Lars; Sterz, F.; Losert, F.; Aase, S.O.; Eftestøl, T. (2006). Discriminating between pea and pulse circulating rhythm using ECG.
  • 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. 2006-06-07 - 2006-06-09.
  • Gundersen, Kenneth; Kvaløy, J.T.; Eftestøl, T.; Steen, Petter Andreas; Kramer-Johansen, Jo; Wik, Lars; Sterz, F.; Losert, F.; Aase, S.O. (2006). Improved shock outcome prediction from a random effects model.
  • Risdal, Martin; Losert, Heidrun; Sterz, Fritz; Aase, Sven Ole; Eftestøl, Trygve (2006). Using thoracic impedance for identification of return of spontaneous circulation during resuscitation. 2006-06-07 - 2006-06-09.
  • 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.
  • Risdal, Martin; Sleveland, T; Steen, Petter Andreas; Kramer-Johansen, Jo; Wik, Lars; Sterz, Fritz; Losert, F.; Eftestøl, Trygve; Aase, Sven Ole (2005). Improving rhythm classification using electrocardiogram and thorax impednace recorded by automated external defibrillators. NORSIG; 2005-09-22 - 2005-09-24.
  • Risdal, Martin; Aase, Sven Ole; Eftestøl, Trygve (2005). Arbitrary feature space dimensionality reduction with focus on loss of discrimination for two-class problems. 2005-09-22 - 2005-09-24.
  • Risdal, Martin; Aase, Sven Ole; Eftestøl, Trygve (2005). Examining the Potential of Using Thorax Impedance Measured by Automated External Defibrillators for Quantification of Circulation. 2005-09-25 - 2005-09-28.
  • 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. 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. 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. 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. 2005-11-20 - 2005-11-25.
  • Ryen, Tom; Aase, Sven Ole; Husøy, John Håkon (2005). Rate-distortion optimal frame based compression of ECG signals. 2005-09-22 - 2005-09-24.
  • 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. IEEE; 2002-05-13 - 2002-05-17.
  • 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. 2002-05-13 - 2002-05-17.
  • Husøy, John Håkon; Eilevstjønn, Joar; Aase, Sven Ole (2002). CPR artefact removal in ECG signals using an adaptive multichannel filter based on optimum selective coefficient update. 2002-06-26 - 2002-06-28.
  • Aase, Sven Ole; Skretting, Karl; Husøy, John Håkon; Engan, Kjersti (2001). Design of Signal Expansions for Sparse Representation.
  • Engan, Kjersti; Husøy, John Håkon; Aase, Sven Ole (2001). Frame based representation and compression of still images. 2001-10-07 - 2001-10-10.
  • Ryen, Tom; Aase, Sven Ole; Husøy, John Håkon (2001). Finding sparse representation of quantized frame coefficients using 0-1 integer programming. 2001-06-19 - 2001-06-23.
  • Skretting, Karl; Engan, Kjersti; Husøy, John Håkon; Aase, Sven Ole (2001). Sparse representation of images using overlapping frames. 2001-06-11 - 2001-06-14.
  • Skretting, Karl; Husøy, John Håkon; Aase, Sven Ole (2001). A simple design of sparse signal representations using overlapping frames. 2001-06-19 - 2001-06-23.
  • Aase, Sven Ole; Husøy, John Håkon; Eftestøl, Trygve (2000). Optimum CPR artefact removal in human ECG signals. 2000-06-26 - 2000-06-28.
  • Aase, Sven Ole; Nygaard, Ranveig; Husøy, John Håkon (2000). A comparative study of some novel ECG data compression techniques.
  • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon (2000). A method for detection of signal harmonics in the spectrum.
  • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon (2000). Spectral characterization of ECG in out-of-hospital cardiac arrest patients.
  • 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.
  • 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.
  • Engan, Kjerti; Aase, Sven Ole; Husøy, John Håkon (2000). Transform based ECG signal compression using nonorthogonal vectors.
  • Husøy, John Håkon; Aase, Sven Ole; Skretting, Karl; Engan, Kjersti (2000). Design of general block oriented expansions for efficient signal representation.
  • Aase, Sven Ole; Husøy, John Håkon; Waldemar, Patrick (1999). A critique of SVD-based image coding systems.
  • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon (1999). Characterisation og changes in cardiac arrhythmias using spectral parameters.
  • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon (1999). Spectral flatness measure for characterising changes in cardiac arrhythmias.
  • 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.
  • Engan, Kjersti; Aase, Sven Ole; Husøy, John Håkon (1999). Frame based signal compression using method of optimal directions (MOD).
  • Engan, Kjersti; Aase, Sven Ole; Husøy, John Håkon (1999). Method of optimal directions for frame design.
  • Engan, Kjersti; Husøy, John Håkon; Aase, Sven Ole (1999). Optimized frame design for a matching pursuit based compression scheme.
  • Engan, Kjersti; Husøy, John Håkon; Aase, Sven Ole (1999). Optimized frames of variable size for use in a matching pursuit based compression scheme.
  • Heber, J.G.; Aase, S.O.; Husøy, John Håkon (1999). ECG data compression by modelling of subbands.
  • Ramstad, T.A.; Aase, S.O.; Husøy, John Håkon (1999). Subband Compression of Images-principles and Examples.
  • Ryen, Tom; Aase, Sven Ole; Husøy, John Håkon (1999). Compression of oil well log signals. 1999-09-01 - 1999-09-03.
  • Skretting, Karl; Husøy, John Håkon; Aase, Sven Ole (1999). Improved Huffman coding using recursive splitting.
  • Aase, Sven Ole (1998). Filter bank design for subband ECG compression.
  • Aase, Sven Ole (1998). Filter bank design for subband compression of ECG signals.
  • Aase, Sven Ole; Husøy, John Håkon; Sætren, M.V. (1998). Compression of retinal images using av modified jpeg coder.
  • Aase, Sven Ole; Landråk, I. (1998). 2 (D) subband compression of ECG signals using entropy allocation.
  • Engan, Kjersti; Aase, Sven Ole; Husøy, John Håkon (1997). Designing frames for matching pursuit algorithms.