Mr. Stefan Sjökvist Profile

Stefan Sjökvist

at Termisk Systemteknik AB

SPIE Involvement:

Author

Proceedings Article | 26 April 2007 Paper

Assessments of phenomenologies for multi-optical mine detection

Dietmar Letalick, Stefan Sjökvist, Magnus Uppsäll, Dennis Menning, Pierre Andersson, Christina Grönwall

Proceedings Volume 6553, 65530X (2007) https://doi.org/10.1117/12.719923

KEYWORDS: Sensors, Land mines, Mining, Roads, Vegetation, Signal processing, Long wavelength infrared, Sun, Polarization, Luminescence

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Proceedings Article | 5 October 2006 Paper

Optical signature modeling at FOI

C. Nelsson, P. Hermansson, S. Nyberg, A. Persson, R. Persson, S. Sjökvist, T. Winzell

Proceedings Volume 6395, 639508 (2006) https://doi.org/10.1117/12.689824

KEYWORDS: Electro optical modeling, Sensors, Data modeling, Monte Carlo methods, Atmospheric modeling, RGB color model, Reflectivity, Solid modeling, Computer aided design, Temperature metrology

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Proceedings Article | 5 October 2006 Paper

MOMS: multi-optical mine detection system: project overview

Anna Linderhed, Stefan Sjökvist, Ove Steinvall, Dietmar Letalick, Gustav Tolt, Tomas Chevalier, Sten Nyberg, Håkan Larsson, Magnus Uppsäll, Dennis Menning

Proceedings Volume 6395, 639503 (2006) https://doi.org/10.1117/12.690379

KEYWORDS: Land mines, Mining, Sensors, LIDAR, Vegetation, Luminescence, Thermography, Reflectivity, Target detection, Reflection

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Proceedings Article | 16 May 2006 Paper

Multi-optical mine detection: results from a field trial

Dietmar Letalick, Gustav Tolt, Stefan Sjökvist, Sten Nyberg, Christina Grönwall, Pierre Andersson, Anna Linderhed, Göran Forssell, Håkan Larsson, Magnus Uppsäll

Proceedings Volume 6217, 62170D (2006) https://doi.org/10.1117/12.665517

KEYWORDS: Sensors, Reflectivity, Land mines, LIDAR, Polarization, Target detection, Cameras, Mining, Optical filters, Optical sensors

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Proceedings Article | 16 May 2006 Paper

MOMS: a multi-optical approach for land mine detection

Stefan Sjökvist, Magnus Uppsäll, Dietmar Letalick

Proceedings Volume 6217, 62170J (2006) https://doi.org/10.1117/12.667669

KEYWORDS: Land mines, Sensors, Mining, Reflection, Polarization, Luminescence, Reflectivity, Vegetation, Thermography, Infrared signatures

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Proceedings Article | 10 June 2005 Paper

Land mine detection by IR temporal analysis: detection method

Anna Linderhed, Stefan Sjokvist, Sten Nyberg, Magnus Uppsall

Proceedings Volume 5794, (2005) https://doi.org/10.1117/12.603908

KEYWORDS: Land mines, Mining, Infrared imaging, Data modeling, Detection and tracking algorithms, Distance measurement, Performance modeling, Thermography, Analytical research, Infrared detectors

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Proceedings Article | 10 June 2005 Paper

Land mine detection by IR temporal analysis: physical numerical modeling

Stefan Sjokvist, Anna Linderhed, Sten Nyberg, Magnus Uppsall, Dan Loyd

Proceedings Volume 5794, (2005) https://doi.org/10.1117/12.603881

KEYWORDS: Mining, Sun, Land mines, Data modeling, Thermography, Numerical modeling, Calibration, Infrared imaging, Reflectivity, Temperature metrology

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Proceedings Article | 25 May 2005 Paper

Methods for validation of optical signature models

Claes Nelsson, Erik Andersson, David Boerjesson, Patrik Hermansson, Sten Nyberg, Stefan Sjoekvist, Thomas Winzell

Proceedings Volume 5811, (2005) https://doi.org/10.1117/12.603775

KEYWORDS: Monte Carlo methods, Temperature metrology, Sensors, Computer simulations, Error analysis, Infrared signatures, Electro optical modeling, Fused deposition modeling, Data modeling, Thermal modeling

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Proceedings Article | 21 September 2004 Paper

Temporal method for IR minefield feature detection

Stefan Sjokvist, Anna Linderhed, Sten Nyberg, Magnus Uppsall

Proceedings Volume 5415, (2004) https://doi.org/10.1117/12.542395

KEYWORDS: Infrared imaging, Land mines, Temperature metrology, Image analysis, Sensors, Calibration, Mining, Thermography, Infrared sensors, Signal processing

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Proceedings Article | 13 August 2002 Paper

Analysis of optical measurements of real minefields

Anna Linderhed, Magnus Lundberg, Sten Nyberg, Stefan Sjoekvist, Magnus Uppsaell

Proceedings Volume 4742, (2002) https://doi.org/10.1117/12.479087

KEYWORDS: Land mines, Mining, Data modeling, Sensors, Finite element methods, Optical testing, Infrared cameras, Shortwaves, Temperature metrology, Aluminum

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