Sven Ole Aase

Professor

Sven Ole Aase

Kontakt

Telefon: 5183 2009

E-post: sven.o.aase@uis.no

Rom: KE E-437

Organisasjonsenhet

Det teknisk- naturvitenskapelige fakultet

Institutt for data- og elektroteknologi

Kort om meg

Dr ing NTH 1993

CERN fellow Geneve 1993-1994

Førsteamanuensis UiS 1994-2001

Professor UiS 2001-d.d.

Instituttleder 2001-2015

Forskningsområder:

Digital signalbehandling, digitale effektforsterkere, biomedisinsk signalbehandling, anvendt matematikk.

Underviste emner: 

ELE640 Videregående signalbehandling
ELE650 Optimering med anvendelser
YMF100 Matematikk og fysikk for y-vei 1
YMF110 Matematikk og fysikk for y-vei 2
ELE300 Signaler og systemer
ELE500 Signalbehandling

Pedagogikk:

Kurs i høgskolepedagogikk 1995.

Publikasjoner

Vitenskapelige publikasjoner

Fernando Chierchie; Sven Ole Aase (2015) Volterra models for digital PWM and their inverses. I: IEEE Transactions on Circuits and Systems I: Regular Papers. ISSN 1549-8328. Volum 62. s.2606-2616. DOI: 10.1109/TCSI.2015.2476299

Sven Ole Aase (2014) Digital removal of pulse-width-modulation-induced distortion in class-D audio amplifiers. I: IET Signal Processing. ISSN 1751-9675. Volum 8. s.680-692. DOI: 10.1049/iet-spr.2013.0383

Sven Ole Aase (2012) A prefilter equalizer for pulse width modulation. I: Signal Processing. ISSN 0165-1684. Volum 92. s.2444-2453. DOI: 10.1016/j.sigpro.2012.03.006

Martin Risdal; Sven Ole Aase; Jo Kramer-Johansen; Trygve Eftestøl (2008) Automatic identification of return of spontaneous circulation during cardiopulmonary resuscitation. I: IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 55. s.60-68.

Martin Risdal; Sven Ole Aase; Jo Kramer-Johansen; Trygve Eftestøl (2008) Automatic identification of return of spontaneous circulation during cardiopulmonary resuscitation. I: IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 55. s.60-68.

Martin Risdal; Sven Ole Aase; Mette Stavland; Trygve Eftestøl (2007) Impedance-based ventilation detection during cardiopulmonary resuscitation. I: IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 54. s.2237-2245.

Sven Ole Aase; Peter Ruoff (2007) Semi-algebraic optimization of temperature compensation in a general switch-type negative feedback model of circadian clocks. I: Journal of Mathematical Biology. ISSN 0303-6812. Volum doi:10.1007/s00285-0. s.279-292.

Heidrun Losert; Martin Risdal; Fritz Sterz; Jon Nysæther; Klemens Köhler; Trygve Eftestøl; Cosima Wandaller; Helge Myklebust; Thomas Uray; Sven Ole Aase; anton n. laggner (2007) Thoracic-impedance changes measured via defibrillator pads can monitor signs of circulation. I: Resuscitation. ISSN 0300-9572. Volum 73.

Martin Risdal; Heidrun Losert; Fritz Sterz; Sven Ole Aase; Trygve Eftestøl (2006) Using thoracic impedance for identification of return of spontaneous circulation during resuscitation. I: . ., Proceedings of the 7th nordic signal processing symposium. IEEE (Institute of Electrical and Electronics Engineers). s.4-4.

Trygve Eftestøl; Tom Ryen; Sven Ole Aase; Cassian Strässle; Marcus Boos; Guido M. Schuster; Peter Ruoff (2006) Eukaryotic gene prediction by spectral analysis and pattern recognition techniques. I: . ., Proceedings of the 7th nordic signal processing symposium. IEEE (Institute of Electrical and Electronics Engineers). s.4-4.

Karl Skretting; John Håkon Husøy; Sven Ole Aase (2006) General design algorithm for sparse frame expansions. I: Signal Processing. ISSN 0165-1684. Volum 86. s.117-126.

Martin Risdal; Heidrun Losert; Jon Nysæther; Sven Ole Aase; Fritz Sterz; Trygve Eftestøl (2005) Ventilation classification for cardiopulmonary resuscitation quality monitoring using thoracic impedance. I: International Federation for Medical and Biological Engineering Proceedings. ISSN 1680-0737. Volum 11.

Martin Risdal; Sven Ole Aase; Trygve Eftestøl (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 (Institute of Electrical and Electronics Engineers).

Martin Risdal; Heidrun Losert; Jon Nysæther; Sven Ole Aase; Fritz Sterz; Trygve Eftestøl (2005) Non-invasive ventilation monitoring during cardiopulmonary resuscitation by means of thoracic impedance. I: International Federation for Medical and Biological Engineering Proceedings. ISSN 1680-0737. Volum 11.

Martin Risdal; Mette Stavland; Sven Ole Aase; Trygve Eftestøl (2005) Impedance-based ventilation detection during cardiopulmonary resuscitation using a neural network. I: International Federation for Medical and Biological Engineering Proceedings. ISSN 1680-0737. Volum 11.

Martin Risdal; Sven Ole Aase; Trygve Eftestøl (2005) Arbitrary feature space dimensionality reduction with focus on loss of discrimination for two-class problems. I: NORSIG 2005. Tapir Akademisk Forlag.

Tom Ryen; Sven Ole Aase; John Håkon Husøy (2005) Rate-distortion optimal frame based compression of ECG signals. I: Norsk symposium i signalbehandling. Tapir Akademisk Forlag.

Joar Eilevstjønn; Trygve Eftestøl; Sven Ole Aase; Helge Myklebust; John Håkon Husøy; Petter Andreas Steen (2004) Feasibility of shock advice analysis during CPR through removal of CPR artefacts from the human ECG. I: Resuscitation. ISSN 0300-9572. Volum 61. s.131-141.

Joar Eilevstjønn; Trygve Eftestøl; Sven Ole Aase; Helge Myklebust; John Håkon Husøy; Petter Andreas Steen (2004) Feasibility of shock advice analysis during CPR through removal of CPR artefacts from the human ECG. I: Resuscitation. ISSN 0300-9572. Volum 61. s.131-141.

John Håkon Husøy; Joar Eilevstjønn; Trygve Eftestøl; S.O. Aase; Helge Myklebust; Petter Andreas Steen (2002) Removal of cardiopulmonary resuscitation artifacts from human ECG using an efficent matching pursuit-like algorithm. I: IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 49. s.1287-1298.

John Håkon Husøy; Joar Eilevstjønn; Trygve Eftestøl; Sven Ole Aase; Helge Myklebust; Petter Andreas Steen (2002) Removal of cardiopulmonary resuscitation artifacts from human ecg using an efficient matching pursuit-like algorithm. I: IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 49. s.1287-1298.

Sven Ole Aase; John Håkon Husøy; Karl Skretting; Kjersti Engan (2001) General signal expansions for sparse representation. I: IEEE Transactions on Signal Processing. ISSN 1053-587X. Volum 49. s.1087-1098.

Trygve Eftestøl; Kjetil Sunde; Sven Ole Aase; John Håkon Husøy; Petter Andreas Steen (2001) Probability of successful defibrillation' as a monitor during CPR in out-of-hospital cardiac arrested patients. I: Resuscitation. ISSN 0300-9572. Volum 48. s.245-254.

Trygve Eftestøl; Kjetil Sunde; S.O. Aase; John Håkon Husøy; Petter Andreas Steen (2001) "Probability of successful defibrillation" as a monitor during CPR in out-of-hospital cardiac arrested patients. I: Resuscitation. ISSN 0300-9572. Volum 48. s.245-254.

Kjersti Engan; Sven Ole Aase; John Håkon Husøy (2000) Multi-frame Compression: Theory and Design. I: Signal Processing. ISSN 0165-1684. Volum 80. s.2121-2140.

S.O. Aase; Trygve Eftestøl; John Håkon Husøy; Kjetil Sunde; Petter Andreas Steen (2000) CPR artifact removal from human ECG using optimal multichannel filtering. I: IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 47. s.1440-1449.

Sven Ole Aase; Trygve Eftestøl; John Håkon Husøy; Kjetil Sunde; Petter Andreas Steen (2000) CPR artifact removal from human ECG using optimal multichannel filtering. I: IEEE Transactions on Biomedical Engineering. ISSN 0018-9294. Volum 47. s.1440-1449.

Trygve Eftestøl; Kjetil Sunde; Sven Ole Aase; John Håkon Husøy; Petter Andreas Steen (2000) Predicting outcome of defibrillation by spectral characterization and nonparametric classification of ventricular fibrillation in patients with out-of-hospital cardiac arrest. I: Circulation. ISSN 0009-7322. Volum 102. s.1523-1529.

Trygve Eftestøl; Kjetil Sunde; Sven Ole Aase; John Håkon Husøy; Petter Andreas Steen (2000) Predicting outcome of defibrillation by spectral characterization and nonparametric classification of ventricular fibrillation in patients with out-of-hospital cardiac arrest. I: Circulation. ISSN 0009-7322. Volum 102. s.1523-1529.

Sven Ole Aase; Ranveig Nygaard; John Håkon Husøy; Dag Haugland (1998) Optimised Time- and Frequency-Domain Methods for ECG Signal Compression. I: ?. Volum 5. s.210-225.

Sven Ole Aase; T.A. Ramstad (1995) On the Optimality of Nonunitary Filter banks in Subband Coders. I: ?.

Bøker og kapitler

B. Ribbum; Sven Ole Aase; John Håkon Husøy (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.

Sven Ole Aase; B. Ribbum; John Håkon Husøy (1997) The DiabPack subband coder:tech.rep. Technical note 8 for EU-project HC 1011, DiabCare Q-Net.

Sven Ole Aase; J. Heber; John Håkon Husøy (1997) User manual for image compression evaluator, version 2.0:tech.rep. Technical note 7 for EU-project HC 1011, DiabCare Q-Net.

Kjersti Engan; Sven Ole Aase; John Håkon Husøy (1997) Designing frames for matching pursuit algorithms. Universitetet i Stavanger.

John Håkon Husøy; S.O. Aase (1996) User manual for image compression evaluator. Technical note 5 for EU-project HC 1011, DiabCare Q-Net. Høgskolen i Stavanger.

John Håkon Husøy; S.O. Aase (1996) Compression of retinal images using a modified JPEG coder. Technical note 4 for EU-Project HC 1011, DiabCare Q-Net. Høgskolen i Stavanger.

Formidling

Kenneth Gundersen; Jan Terje Kvaløy; Trygve Eftestøl; Petter Andreas Steen; Jo Kramer-Johansen; Lars Wik; Fritz Sterz; Heidrun Losert; Sven Ole Aase (2006) Random effects in shock outcome prediction. I: Resuscitation. ISSN 0300-9572. s.1-1.

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

Martin Risdal; Petter Andreas Steen; Jo Kramer-Johansen; Lars Wik; Fritz Sterz; Heidrun Losert; Sven Ole Aase; Trygve Eftestøl (2006) Discriminating between PEA and pulse circulating rhythm using ECG. I: Resuscitation. ISSN 0300-9572. s.1-1.

Kenneth Gundersen; Jan Terje Kvaløy; Trygve Eftestøl; Petter Andreas Steen; Jo Kramer-Johansen; Lars Wik; Fritz Sterz; Heidrun Losert; Sven Ole Aase (2006) Improved shock outcome prediction from a random model. I: Resuscitation. ISSN 0300-9572. s.1-1.

Martin Risdal; Heidrun Losert; Fritz Sterz; Sven Ole Aase; Trygve Eftestøl (2006) Using thoracic impedance for identification of return of spontaneous circulation during resuscitation. 7th nordic signal processing symposium; 2006-06-07 - 2006-06-09.

Kenneth Gundersen; Jan Terje Kvaløy; Trygve Eftestøl; Petter Andreas Steen; Jo Kramer-Johansen; Lars Wik; Fritz Sterz; Heidrun Losert; Sven Ole Aase (2006) Random effects in shock outcome prediction. Resuscitation 2006; 2006-05-10 - 2006-05-13.

Martin Risdal; Petter Andreas Steen; Jo Kramer-Johansen; Lars Wik; F. Sterz; F. Losert; S.O. Aase; T. Eftestøl (2006) Discriminating between pea and pulse circulating rhythm using ECG. I: Resuscitation. ISSN 0300-9572. Volum 69. s.46-46.

Kenneth Gundersen; J.T. Kvaløy; T. Eftestøl; Petter Andreas Steen; Jo Kramer-Johansen; Lars Wik; F. Sterz; F. Losert; S.O. Aase (2006) Improved shock outcome prediction from a random effects model. I: Resuscitation. ISSN 0300-9572. Volum 69. s.128-128.

Kenneth Gundersen; J.T. Kvaløy; Trygve Eftestøl; Petter Andreas Steen; Jo Kramer-Johansen; Lars Wik; Fritz Sterz; F. Losert; Sven Ole Aase (2006) Random effects in shock outcome prediction. I: Resuscitation. ISSN 0300-9572. Volum 69. s.72-73.

Martin Risdal; Sven Ole Aase; Trygve Eftestøl (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.

Martin Risdal; Trygve Eftestøl; Sven Ole Aase; Petter Andreas Steen; Tone Sleveland; Lars Wik; Jo Kramer-Johansen; Fritz Sterz; Heidrun Losert (2005) Improving rhythm classification using electrocardiogram and thorax impedance recorded by automated external defibrillators. Norsk symposium i signalbehandling; 2005-09-22 - 2005-09-24.

Martin Risdal; Mette Stavland; Sven Ole Aase; Trygve Eftestøl (2005) IMPEDANCE-BASED VENTILATION DETECTION DURING CARDIOPULMONARY RESUSCITATION USING A NEURAL NETWORK. 3rd European Medical & Biological Engineering Conference; 2005-11-20 - 2005-11-25.

Martin Risdal; Heidrun Losert; Jon Nysæther; Sven Ole Aase; Fritz Sterz; Trygve Eftestøl (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.

Martin Risdal; Heidrun Losert; Jon Nysæther; Sven Ole Aase; Fritz Sterz; Trygve Eftestøl (2005) VENTILATION CLASSIFICATION FOR CARDIOPULMONARY RESUSCITATION QUALITY MONITORING USING THORACIC IMPEDANCE. 3rd European Medical & Biological Engineering Conference; 2005-11-20 - 2005-11-25.

Tom Ryen; Sven Ole Aase; John Håkon Husøy (2005) Rate-distortion optimal frame based compression of ECG signals. NORSIG 05 - Norsk symposium i signalbehandling 2005; 2005-09-22 - 2005-09-24.

Martin Risdal; Sven Ole Aase; Trygve Eftestøl (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.

Martin Risdal; T Sleveland; Petter Andreas Steen; Jo Kramer-Johansen; Lars Wik; Fritz Sterz; F. Losert; Trygve Eftestøl; Sven Ole Aase (2005) Improving rhythm classification using electrocardiogram and thorax impednace recorded by automated external defibrillators. NORSIG 2005 Congress; 2005-09-22 - 2005-09-24.

Joar Eilevstjønn; John Håkon Husøy; Trygve Eftestøl; Sven Ole Aase; Petter Andreas Steen (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.

John Håkon Husøy; Joar Eilevstjønn; Sven Ole Aase (2002) CPR artefact removal in ECG signals using an adaptive multichannel filter based on optimum selective coefficient update. Proc.Biosignal 2002; 2002-06-26 - 2002-06-28.

Joar Eilevstjønn; John Håkon Husøy; Trygve Eftestøl; Sven Ole Aase; Petter Andreas Steen (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.

Karl Skretting; Kjersti Engan; John Håkon Husøy; Sven Ole Aase (2001) Sparse representation of images using overlapping frames. 12th Scandinavian Conference on Image Analysis; 2001-06-11 - 2001-06-14.

Sven Ole Aase; Karl Skretting; John Håkon Husøy; Kjersti Engan (2001) Design of Signal Expansions for Sparse Representation. ICASSP 2000;

Karl Skretting; John Håkon Husøy; Sven Ole Aase (2001) A simple design of sparse signal representations using overlapping frames. 2nd International Symposium on Image and Signal Processing; 2001-06-19 - 2001-06-23.

Tom Ryen; Sven Ole Aase; John Håkon Husøy (2001) Finding sparse representation of quantized frame coefficients using 0-1 integer programming. 2nd International Symposium on Image and Signal Processing; 2001-06-19 - 2001-06-23.

Kjersti Engan; John Håkon Husøy; Sven Ole Aase (2001) Frame based representation and compression of still images. Proc. International conf. on image processing; 2001-10-07 - 2001-10-10.

John Håkon Husøy; Sven Ole Aase; Karl Skretting; Kjersti Engan (2000) Design of general block oriented expansions for efficient signal representation. utenTitteltekst;

Sven Ole Aase; Ranveig Nygaard; John Håkon Husøy (2000) A comparative study of some novel ECG data compression techniques. NORSIG;

Sven Ole Aase; John Håkon Husøy; Trygve Eftestøl (2000) Optimum CPR artefact removal in human ECG signals. Proc.Biosignal 2000; 2000-06-26 - 2000-06-28.

Trygve Eftestøl; Kjetil Sunde; Sven Ole Aase; John Håkon Husøy; Petter Andreas Steen (2000) Monitoring the "probability of successful defibrillation" during CPR in out-of-hospital cardiac arrested patients. Scientific sessions 2000;

Trygve Eftestøl; Kjetil Sunde; Sven Ole Aase; John Håkon Husøy; Petter Andreas Steen (2000) Predicting defibrillation outcome from VF-characteristics in out-of-hospital cardiac arrest. Fifth congress of the European Resuscitation Council, ERC;

Trygve Eftestøl; Sven Ole Aase; John Håkon Husøy (2000) A method for detection of signal harmonics in the spectrum. Computers in Cardiology 1999;

Trygve Eftestøl; Sven Ole Aase; John Håkon Husøy (2000) Spectral characterization of ECG in out-of-hospital cardiac arrest patients. Computers in Cardiology 1999;

Kjerti Engan; Sven Ole Aase; John Håkon Husøy (2000) Transform based ECG signal compression using nonorthogonal vectors. Konferanse; 1996-11-30.

Karl Skretting; John Håkon Husøy; Sven Ole Aase (1999) Improved Huffman coding using recursive splitting. utenTitteltekst;

Sven Ole Aase; John Håkon Husøy; Patrick Waldemar (1999) A critique of SVD-based image coding systems. utenTitteltekst;

Kjersti Engan; Sven Ole Aase; John Håkon Husøy (1999) Frame based signal compression using method of optimal directions (MOD). utenTitteltekst;

Kjersti Engan; Sven Ole Aase; John Håkon Husøy (1999) Method of optimal directions for frame design. utenTitteltekst;

Tom Ryen; Sven Ole Aase; John Håkon Husøy (1999) Compression of oil well log signals. NORSIG; 1999-09-01 - 1999-09-03.

Kjersti Engan; John Håkon Husøy; Sven Ole Aase (1999) Optimized frames of variable size for use in a matching pursuit based compression scheme. NORSIG`98;

Kjersti Engan; John Håkon Husøy; Sven Ole Aase (1999) Optimized frame design for a matching pursuit based compression scheme. EUSIPCO;

Trygve Eftestøl; Sven Ole Aase; John Håkon Husøy (1999) Spectral flatness measure for characterising changes in cardiac arrhythmias. NOBIM konferansen 1998;

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

Trygve Eftestøl; Sven Ole Aase; John Håkon Husøy (1999) Characterisation og changes in cardiac arrhythmias using spectral parameters. NORSIG '97;

T.A. Ramstad; S.O. Aase; John Håkon Husøy (1999) Subband Compression of Images-principles and Examples. ELSEVIER Science Publishers BV;

J.G. Heber; S.O. Aase; John Håkon Husøy (1999) ECG data compression by modelling of subbands. Computers in Cardiology;

Sven Ole Aase; I. Landråk (1998) 2 (D) subband compression of ECG signals using entropy allocation. International Symposium on Digital Signal Processing;

Sven Ole Aase (1998) Filter bank design for subband ECG compression. IEEE International Conference of Engineering in Medicine and Bi ology;

Sven Ole Aase; John Håkon Husøy; M.V. Sætren (1998) Compression of retinal images using av modified jpeg coder. utenTitteltekst;

Sven Ole Aase (1998) Filter bank design for subband compression of ECG signals. NORSIG-95;

Kilde: Nasjonalt vitenarkiv