• Bokmål
  • English

Nettstedskart

Publication profile

Publication profile

Tor Arne Øigård

Tor Arne, Øigård
Name: Tor Arne Øigård
Title: Seniorforsker / Senior Research Scientist
Phone: (+47) 22852615
Email: Tor [dot] Arne [dot] Oigard [at] nr [dot] no
Scientific areas: Statistical analysis, Weather and climate, Fraud detection, Energy markets, Marine resources
Add to contacts (vCard)
 Show publications

 

    Academic journal articles

    2015

    Øigård, Tor Arne; Hanssen, Alfred; Hansen, Roy Edgar. The Multivariate Normal Inverse Gaussian distribution: EM-estimation and analysis of synthetic aperture sonar data. European Signal Processing Conference (ISSN 2219-5491). 06-10-September-2004 pp 1433-1436. 2015.

    Øigård, Tor Arne; Skaug, Hans J.. Fitting state-space models to seal populations with scarce data. ICES Journal of Marine Science (ISSN 1054-3139). 72(5) pp 1462-1469. doi: 10.1093/icesjms/fsu195. 2015.

    2014

    ØigÅrd, Tor Arne; Haug, Tore; Nilssen, Kjell Tormod. Current status of hooded seals in the Greenland Sea. Victims of climate change and predation? Biological Conservation (ISSN 0006-3207). 172 pp 29-36. doi: 10.1016/j.biocon.2014.02.007. 2014.

    Øigård, Tor Arne; Haug, Tore; Nilssen, Kjell Tormod. From pup production to quotas: Current status of harp seals in the Greenland Sea. ICES Journal of Marine Science (ISSN 1054-3139). 71(3) pp 537-545. doi: 10.1093/icesjms/fst155. 2014.

    2013

    ØigÅrd, Tor Arne; Lindstrøm, Ulf; Haug, tore; Nilssen, Kjell Tormod; Smout, Sophie. Functional relationship between harp seal body condition and available prey in the Barents Sea. Marine Ecology Progress Series (ISSN 0171-8630). 484 pp 287. doi: 10.3354/meps10272. 2013.

    2012

    ØigÅrd, Tor Arne; Frie, Anne Kirstine Højholt; Nilssen, Kjell Tormod; Hammil, Mike Osborne. Modelling the abundance of grey seals (Halichoerus grypus) along the Norwegian coast. ICES Journal of Marine Science (ISSN 1054-3139). 69(8) pp 1436-1447. doi: 10.1093/icesjms/fss103. 2012.

    2010

    Øigård, Tor Arne; Haug, Tore; Nilssen, Kjell Tormod; Salberg, Arnt Børre. Estimation of Pup Production of Hooded and Harp Seals in the Greenland Sea in 2007: Reducing Uncertainty Using Generalized Additive Models. Journal of Northwest Atlantic Fishery Science (ISSN 0250-6408). 42 doi: 10.2960/J.v42.m642. 2010.

    2009

    Salberg, Arnt-Børre; Oigard, TA; Øigård, Tor Arne; Stenson, Garry B.; Haug, Tore; Nilssen, Kjell T.. Estimation of seal pup production from aerial surveys using generalized additive models. Canadian Journal of Fisheries and Aquatic Sciences (ISSN 0706-652X). 66(5) pp 847-858. doi: 10.1139/F09-040. 2009.

    2006

    ØigÅrd, Tor Arne; Rue, Håvard; Godtliebsen, Fred. Bayesian multiscale analysis for time series data. Computational Statistics & Data Analysis (ISSN 0167-9473). 51 pp 1719-1730. 2006.

    ØigÅrd, Tor Arne; Hanssen, Alfred; Scharf, Louis L.. Spectral correlations of fractional Brownian motion. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics (ISSN 1063-651X). 74 doi: 10.1103/PhysRevE.74.031114. 2006.

    2005

    Godtliebsen, Fred; Øigård, Tor Arne. A visual display device for significant features in complicated signals. Computational Statistics & Data Analysis (ISSN 0167-9473). 48 2005.

    Karlof, Lars; ØigÅrd, Tor Arne; Godtliebsen, Fred; Kaczmarska, Marzena; Fischer, H.. Statistical techniques to select detection thresholds for peak signals in ice-core data. Journal of Glaciology (ISSN 0022-1430). 51 pp 655-662. 2005.

    Øigård, Tor Arne; Hanssen, Alfred; Hansen, Roy E.; Godtliebsen, Fred. EM-estimation and modeling of heavy-tailed processes with the multivariate normal inverse Gaussian distribution. Signal Processing (ISSN 0165-1684). 85 doi: 10.1016/j.sigpro.2005.03.0. 2005.

    Short communications

    2009

    Sørbye, Sigrunn Holbek; Godtliebsen, Fred; Hindberg, Kristian; Øigård, Tor Arne; Hadziavdic, Vedad; Thon, Kevin Otto. Contribution to Discussion of the paper ‘Approximate Bayesian inference for latent Gaussianmodels by using integrated nested Laplace approximations’ by Rue, Martino, S., and Chopin, N. Journal of The Royal Statistical Society Series B-statistical Methodology (ISSN 1369-7412). 71(2) pp 382. 2009.

    Academic lectures

    2016

    Løland, Anders; Lenkoski, Alex; Huseby, Ragnar Bang; Steinbakk, Gunnhildur Högnadóttir; Øigård, Tor Arne. Error Dressing Published Bid/Ask Curves and Predictive Distributions of the Nord Pool System Spot Price. Workshop, FlomQ – Workshop om flomestimering – Morgendagens teknologi; Trondheim, 24.05.2016 - 25.05.2016.

    Øigård, Tor Arne; Haug, Tore. The 2017 abundance of harp seals (Pagophilus groenlandicus) in the Greenland Sea. Annet, ICES WGHARP; København, 26.09.2016 - 30.09.2016.

    Øigård, Tor Arne; Haug, Tore. The 2017 abundance of harp seals (Pagophilus groenlandicus) in the Barents Sea / White Sea. Annet, ICES WGHARP; København, 26.09.2016 - 30.09.2016.

    Øigård, Tor Arne; Haug, Tore. The 2017 abundance of of hooded seals (Cystophora cristata) in the Greenland Sea. Annet, ICES WGHARP; København, 26.09.2016 - 30.09.2016.

    2007

    Birkelund, Yngve; Hanssen, Alfred; Øigård, Tor Arne; Hindberg, Heidi; Hanssen, Øistein. Analysis of Harmonic and Subharmonic Effects in a Transversal Flute Made from Heracleum Laciniatum. Konferanse, 7th Nordic Signal Processing Symposium (NORSIG'06); Reykjavik, Island, 07.07.2006 - 09.07.2006. Review 

    Birkelund, Yngve; Hanssen, Alfred; Øigård, Tor Arne; Hindberg, Heidi; Holm, Sverre. The sound of rock 'n' roll: analysis and modelling of valve amplifier distortion for electric guitar. Konferanse, IMA Seventh Int. Conf. on Mathematics in Signal Processing; Cirencester, Storbritania, 18.12.2006 - 20.12.2006.

    2006

    Hanssen, Alfred; Hindberg, Heidi; Øigård, Tor Arne; Birkelund, Yngve; Hanssen, Øistein. Analysis of Harmonic and Subharmonic Effects in a Transversal Flute Made from Heracleum Laciniatum. Konferanse, 7th Nordic Signal Processing Symposium (NORSIG'06); Reykjavik, 07.07.2006 - 09.07.2006. Review 

    Hanssen, Alfred; Holm, Sverre; Birkelund, Yngve; Hindberg, Heidi; Øigård, Tor Arne. The sound of rock 'n' roll: analysis and modelling of valve amplifier distortion for electric guitar. Konferanse, IMA Seventh Int. Conf. on Mathematics in Signal Processing; Cirencester, 18.12.2006 - 20.12.2006.

    Hindberg, Heidi; Birkelund, Yngve; Øigård, Tor Arne; Hanssen, Alfred. Kernel-based estimators for the Kirkwood-Rihaczek time-frequency spectrum. Konferanse, 14th European Signal Processing Conference (EUSIPCO 2006); Firenze, 04.09.2006 - 08.09.2006. Review 

    Øigård, Tor Arne; Scharf, Louis; Hanssen, Alfred. Spectral correlations and synthesis of multidimensional fractional Brownian motion. Konferanse, 14th European Signal Processing Conference (EUSIPCO 2006); Firenze, 04.09.2006 - 08.09.2006. Review 

    2005

    Hanssen, Alfred; Øigård, Tor Arne; Larsen, Yngvar. Harmonizable representations of nonstationary random processes and inhomogeneous random fields. Konferanse, European Geosciences Union, General Assembly; Wien, 24.04.2005 - 29.04.2005. Full-text 

    2004

    Øigård, Tor Arne; Hanssen, Alfred; Hansen, Roy E.. THE MULTIVARIATE NORMAL INVERSE GAUSSIAN DISTRIBUTION: EM-ESTIMATION AND ANALYSIS OF SYNTHETIC APERTURE SONAR DATA. Konferanse, European Signal Processing Conference; Wien, 06.09.2004 - 10.09.2004.

    2002

    Øigård, Tor Arne; Hanssen, Alfred. The multivariate normal inverse Gaussian heavy-talied distribution: simulation and estimation. Konferanse, IEEE int. Conf. on Acoustics, Speech, and Signal Processing; Orlando, Florida, 13.05.2002 - 17.05.2002.

    2001

    Hanssen, Alfred; Øigård, Tor Arne. The normal inverse Gaussian distribution: a versatile model for heavy-tailed stochastic processes. Konferanse, IEEE Int. Conf. on Acoustics, Speech, and Signal Processing; Salt Lake City, 01.05.2001.

    Jenssen, Robert; Øigård, Tor Arne; Eltoft, Torbjørn; Hanssen, Alfred. Sparse code shrinkage based on the normal inverse Gaussian density model. Seminar, Proceedings of NORSIG'01; Trondheim, 01.10.2001.

    Jenssen, Robert; Øigård, Tor Arne; Eltoft, Torbjørn; Hanssen, Alfred. Sparse code shrinkage based on the normal inverse Gaussian density model. Konferanse, 3rd Int. Conf. on Independent Component Analysis and Blind Signal Separation; San Diego, CA, 09.12.2001 - 12.12.2001.

    Salberg, Arnt Børre; Swami, A.; Øigård, Tor Arne; Hanssen, Alfred. The normal inverse Gaussian distribution as a model for multi-user interference. Konferanse, Thirty-fifth Annual Asilomar Conf. on Signals, Systems, and Computers; Pacific Grove, CA, 01.11.2001.

    2000

    Hanssen, Alfred; Øigård, Tor Arne. The normal inverse Gaussian distribution as a flexible model of heavy-tailed processes. Fagmesse, IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing; Baltimore, MD, 01.06.2001.

    Øigård, Tor Arne; Salberg, Arnt Børre; Hanssen, Alfred. Pattern Recognition by Means of Higher-Order Statistics. Konferanse, Conf. Norwegian Society for Image Processing and Pattern Recognition; Trondheim, 01.01.2000.

    Posters at scientific conferences

    2017

    Mosnier, Arnauld; Hammil, Mike Osborne; Haug, Tore; Stenson, Garry B.; Biuw, Martin; Øigård, Tor Arne. PBR - is it really the only tool we want in the toolbox. 22nd Biennial Society for Marine Mammalogy Conference on the Biology of Marine Mammals; Halifax, Nova Scotia, 22.10.2017 - 27.10.2017.

    2010

    Haug, Tore; Frie, Anne Kirstine Højholt; Nilssen, Kjell Tormod; Øigård, Tor Arne. Greenland Sea hooded seals – victims of climate change? International Polar Year – Oslo Science Conference; Oslo, 08.06.2010 - 12.06.2010.

    2005

    Hanssen, Alfred; Øigård, Tor Arne; Birkelund, Yngve. Spectral, Bispectral, and Dual-Frequency Analysis of Tube Amplified Electric Guitar Sound. 2005 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics; New Paltz, New York, 16.10.2005 - 19.10.2005.

    Øigård, Tor Arne; Scharf, Louis; Hanssen, Alfred. Time-frequency and dual-frequency representation of fractional Brownian motion. IEEE Workshop on Statistical Signal Processing; Bordeaux, 17.07.2005 - 20.07.2005.

    2004

    Øigård, Tor Arne; Scharf, Louis; Hanssen, Alfred. Multivariate-multidimensional Rihaczek spectra and associated canonical correlations. Third IEEE Sensor Array and Multichannel Signal Processing Workshop; Sitges, Barcelona, 18.07.2004 - 21.07.2004.

    Doctoral dissertations

    2005

    Øigård, Tor Arne. Statistical analysis and representation of non-trivial signals and random processes. : Universitetet i Tromsø . pp 1. 2005.

    Feature articles

    2013

    Nilssen, Kjell Tormod; Øigård, Tor Arne; Haug, tore; Lindstrøm, Ulf. Slankere sel i Barentshavet. Forskning.no : nettavis med nyheter fra norsk og internasjonal forskning. 23.01.2013.

    Øigård, Tor Arne; Haug, Tore. Mindre fangst gir ikke mer sel. Forskning.no : nettavis med nyheter fra norsk og internasjonal forskning. 2013.

    Popular scientific articles

    2014

    Haug, Tore; Nilssen, Kjell Tormod; Øigård, Tor Arne. Isavhengige selarter påvirkes av minkende drivis. Fisken og Havet, Særnummer (ISSN 0802-0620). (1) pp 136-138. 2014.

    Haug, Tore; Lindstrøm, Ulf; Nilssen, Kjell Tormod; Øigård, Tor Arne. Is the harp seal on a diet in the Barents Sea? Fram Forum (ISSN 1893-5532). pp 54-56. 2014.

    2013

    Haug, Tore; Øigård, Tor Arne. Sel på tynn is i Vesterisen. Norsk Sjømat (ISSN 0807-1551). (5) pp 26-28. 2013.

Postadresse:
Norsk Regnesentral
Postboks 114 Blindern
0314 Oslo
Besøksadresse:
Norsk Regnesentral
Gaustadalleen 23a
Kristen Nygaards hus
0373 Oslo
Tlf:
(+47) 22 85 25 00
Adresse Hvordan komme til NR
Sosiale media Del på sosiale media
Personvernerklæring Personvernerklæring
Postadresse: Norsk Regnesentral, Postboks 114 Blindern, 0314 Oslo
Besøksadresse: Norsk Regnesentral, Gaustadalleen 23a, Kristen Nygaards hus, 0373 Oslo
Tlf: (+47) 22 85 25 00
AdresseHvordan komme til NR