Mr. Trym Vegard Haavardsholm Profile

Trym Vegard Haavardsholm

at Norwegian Defence Research Establishment

SPIE Involvement:

Author

Publications (14)

Proceedings Article | 30 September 2022 Presentation + Paper

Compact multimodal multispectral sensor system for tactical reconnaissance

Trym Haavardsholm, Thomas Opsahl, Torbjørn Skauli, Annette Stahl

Proceedings Volume 12235, 122350B (2022) https://doi.org/10.1117/12.2632701

KEYWORDS: Cameras, Optical filters, Sensors, Image sensors, Image processing, Unmanned aerial vehicles, Reconnaissance, Visualization, 3D modeling, Spectral imaging cameras, Multispectral imaging, Vision-based navigation

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Proceedings Article | 20 September 2020 Presentation + Paper

In-operation calibration of clock-bias and intrinsic parameters for pan-tilt-zoom cameras based on keypoint tracking

Martin Vonheim Larsen, Trym Haavardsholm, Kim Mathiassen

Proceedings Volume 11538, 115380D (2020) https://doi.org/10.1117/12.2573611

KEYWORDS: Cameras, Calibration, Sensors, Zoom lenses, Classification systems, Scene classification, Target recognition, Image processing, Image sensors, Clocks

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Proceedings Article | 17 May 2016 Paper

Compact multispectral multi-camera imaging system for small UAVs

Hans Erling Torkildsen, Trym Haavardsholm, Thomas Opsahl, Urmila Datta, Atle Skaugen, Torbjørn Skauli

Proceedings Volume 9840, 98401U (2016) https://doi.org/10.1117/12.2224495

KEYWORDS: Cameras, Unmanned aerial vehicles, Optical filters, Sensors, Multispectral imaging, Image filtering, Imaging systems, 3D image reconstruction, Hyperspectral imaging, 3D image processing

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Proceedings Article | 13 June 2014 Paper

Characterization of a compact 6-band multifunctional camera based on patterned spectral filters in the focal plane

H. Torkildsen, H. Hovland, T. Opsahl, T. Haavardsholm, S. Nicolas, T. Skauli

Proceedings Volume 9088, 908819 (2014) https://doi.org/10.1117/12.2054477

KEYWORDS: Point spread functions, Optical filters, Cameras, Image filtering, Image sensors, Image restoration, Multispectral imaging, Hyperspectral imaging, Sensors, Imaging systems

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Proceedings Article | 11 June 2013 Paper

Hyperspectral reconnaissance in urban environment

Ingmar Renhorn, Veronique Achard, Maria Axelsson, Koen Benoist, Dirk Borghys, Xavier Briottet, Rob Dekker, Alwin Dimmeler, Ola Friman, Ingebjørg Kåsen, Stefania Matteoli, Maria Lo Moro, Thomas Olsvik Opsahl, Mark van Persie, Salvatore Resta, Hendrik Schilling, Piet Schwering, Michal Shimoni, Trym Vegard Haavardsholm, Françoise Viallefont

Proceedings Volume 8704, 87040L (2013) https://doi.org/10.1117/12.2019348

KEYWORDS: Sensors, Target detection, Data modeling, Reflectivity, Ions, Image sensors, Roads, Spatial resolution, Image resolution, Calibration

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Proceedings Article | 3 June 2013 Paper

An ATR architecture for algorithm development and testing

Gøril Breivik, Kristin Løkken, Alvin Brattli, Hans Palm, Trym Haavardsholm

Proceedings Volume 8744, 874402 (2013) https://doi.org/10.1117/12.2015369

KEYWORDS: Image segmentation, Cameras, Automatic target recognition, Algorithm development, Image processing algorithms and systems, Image processing, Infrared radiation, Detection and tracking algorithms, Long wavelength infrared, Infrared cameras

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Proceedings Article | 18 May 2013 Paper

Estimating the pixel footprint distribution for image fusion by ray tracing lines of sight in a Monte Carlo scheme

T. Opsahl, T. Haavardsholm

Proceedings Volume 8743, 87431U (2013) https://doi.org/10.1117/12.2015746

KEYWORDS: Cameras, Monte Carlo methods, Point spread functions, Image fusion, Ray tracing, Sensors, Image processing, Imaging systems, Data fusion, Image resolution

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Proceedings Article | 2 May 2013 Paper

Extraction and classification of vehicles in LADAR imagery

Hans Palm, Trym Haavardsholm, Halvor Ajer, Cathrine Jensen

Proceedings Volume 8731, 873102 (2013) https://doi.org/10.1117/12.2015363

KEYWORDS: Sensors, Image segmentation, LIDAR, Statistical analysis, Digital filtering, Image filtering, Distance measurement, 3D modeling, Model-based design, Buildings

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Proceedings Article | 31 May 2012 Paper

Detection in urban scenario using combined airborne imaging sensors

Ingmar Renhorn, Maria Axelsson, Koen Benoist, Dirk Bourghys, Yannick Boucher, Xavier Briottet, Sergio De Ceglie, Rob Dekker, Alwin Dimmeler, Remco Dost, Ola Friman, Ingebjørg Kåsen, Jochen Maerker, Mark van Persie, Salvatore Resta, Piet Schwering, Michal Shimoni, Trym Vegard Haavardsholm

Proceedings Volume 8353, 83530I (2012) https://doi.org/10.1117/12.921473

KEYWORDS: Sensors, Airborne remote sensing, Spatial resolution, Image sensors, Target detection, Defense and security, Spectral resolution, Environmental sensing, Infrared radiation, Thermography

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Proceedings Article | 20 May 2011 Paper

Real-time georeferencing for an airborne hyperspectral imaging system

Thomas Opsahl, Trym Haavardsholm, Ingebrigt Winjum

Proceedings Volume 8048, 80480S (2011) https://doi.org/10.1117/12.885069

KEYWORDS: Georeferencing, Cameras, Spatial resolution, Imaging systems, Hyperspectral imaging, Image resolution, Target detection, Video acceleration, Video, Computer graphics

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Proceedings Article | 13 May 2010 Paper

An airborne real-time hyperspectral target detection system

Torbjorn Skauli, Trym Haavardsholm, Ingebjørg Kåsen, Gunnar Arisholm, Amela Kavara, Thomas Olsvik Opsahl, Atle Skaugen

Proceedings Volume 7695, 76950A (2010) https://doi.org/10.1117/12.850443

KEYWORDS: Cameras, Sensors, Image processing, Target detection, Imaging systems, Hyperspectral imaging, Georeferencing, Visualization, Hyperspectral target detection, Data processing

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Proceedings Article | 17 September 2009 Paper

Evaluation of biological aerosol stand-off detection at a field trial

Per Jonsson, Magnus Elmqvist, Ove Gustafsson, Fredrik Kullander, Rolf Persson, Göran Olofsson, Torbjörn Tjärnhage, Øystein Farsund, Trym Vegard Haavardsholm, Gunnar Rustad

Proceedings Volume 7484, 74840I (2009) https://doi.org/10.1117/12.830401

KEYWORDS: LIDAR, Aerosols, Particles, Ultraviolet radiation, Atmospheric particles, Luminescence, Laser induced fluorescence, Sensors, Backscatter, Curtains

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Proceedings Article | 11 April 2008 Paper

Band selection for hyperspectral target detection based on a multinormal mixture anomaly detection algorithm

Ingebjørg Kåsen, Anders Rødningsby, Trym Vegard Haavardsholm, Torbjørn Skauli

Proceedings Volume 6966, 696606 (2008) https://doi.org/10.1117/12.777758

KEYWORDS: Sensors, Target detection, Hyperspectral imaging, Spectral resolution, Image sensors, Signal to noise ratio, Hyperspectral target detection, Detection and tracking algorithms, Physics, Vegetation

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Proceedings Article | 10 November 2004 Paper

Physical subspace models for invariant material identification: subspace composition and detection performance

Pal Erik Goa, Torbjorn Skauli, Ingebjorg Kasen, Trym Vegard Haavardsholm, Anders Rodningsby

Proceedings Volume 5573, (2004) https://doi.org/10.1117/12.565612

KEYWORDS: Target detection, Atmospheric modeling, Performance modeling, Detection and tracking algorithms, RGB color model, Sensors, Signal to noise ratio, Hyperspectral imaging, Reflectivity, Data modeling

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Showing 5 of 14 publications

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