Dr. Christina Grönwall
Senior Scientist at FOI-Swedish Defence Research Agency
SPIE Involvement:
Author
Publications (32)

SPIE Journal Paper | 13 February 2018 Open Access
OE, Vol. 57, Issue 03, 031306, (February 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.3.031306
KEYWORDS: Single photon detectors, LIDAR, Sensors, Detection and tracking algorithms, Expectation maximization algorithms, Signal detection, Target detection, Signal to noise ratio, Optical engineering, Signal processing

Proceedings Article | 5 October 2017 Paper
Wilmuth Müller, Achim Kuwertz, Christina Grönwall, Henrik Petersson, Rob Dekker, Frank Reinert, Maarten Ditzel
Proceedings Volume 10434, 104340Q (2017) https://doi.org/10.1117/12.2278517
KEYWORDS: Sensors, Smart sensors, Sensor networks, Surveillance, Optical sensors, Databases, Reconnaissance, Target recognition, Situational awareness sensors, C4ISR

SPIE Journal Paper | 27 September 2016
OE, Vol. 56, Issue 03, 031204, (September 2016) https://doi.org/10.1117/12.10.1117/1.OE.56.3.031204
KEYWORDS: Sensors, LIDAR, Pulsed laser operation, 3D acquisition, Clouds, Vegetation, Signal processing, Detector arrays, Distance measurement, Eye

Proceedings Article | 13 May 2016 Paper
Michael Tulldahl, Håkan Larsson, Gustav Tolt, Fredrik Bissmarck, Christina Grönwall, Jonas Nordlöf
Proceedings Volume 9832, 98320V (2016) https://doi.org/10.1117/12.2224258
KEYWORDS: LIDAR, Unmanned aerial vehicles, Clouds, 3D acquisition, 3D image processing, Target detection, Target recognition, Roads, 3D metrology, Vegetation

Proceedings Article | 16 October 2015 Paper
Christina Grönwall, Gustav Tolt, Patrik Lif, Håkan Larsson, Fredrik Bissmarck, Michael Tulldahl, Markus Henriksson, Per Wikberg, Mirko Thorstensson
Proceedings Volume 9649, 96490C (2015) https://doi.org/10.1117/12.2192834
KEYWORDS: Unmanned aerial vehicles, Sensors, LIDAR, 3D modeling, 3D acquisition, Visualization, Target detection, Clouds, Signal processing, Data modeling

Proceedings Article | 16 October 2015 Paper
Proceedings Volume 9649, 964903 (2015) https://doi.org/10.1117/12.2194508
KEYWORDS: LIDAR, Calibration, Unmanned aerial vehicles, Clouds, Sensors, Microelectromechanical systems, Data processing, Neodymium, Ions, Data modeling

Proceedings Article | 13 October 2015 Paper
Proceedings Volume 9649, 96490J (2015) https://doi.org/10.1117/12.2196278
KEYWORDS: Target detection, Optical flow, Sensors, Turbulence, Target recognition, 3D acquisition, Cameras, Mid-IR, Profiling, Computer aided design

Proceedings Article | 13 October 2015 Paper
Christina Grönwall, Gustaf Hendeby, Kristian Sinivaara
Proceedings Volume 9649, 96490G (2015) https://doi.org/10.1117/12.2192200
KEYWORDS: Automatic target recognition, Sensors, 3D modeling, Target detection, Detection and tracking algorithms, Target recognition, Laser scanners, Environmental sensing, Clouds, Buildings

SPIE Journal Paper | 21 February 2014 Open Access
OE, Vol. 53, Issue 02, 029801, (February 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.2.029801
KEYWORDS: Optical simulations, Electro optical modeling, Profiling, Range imaging, Defense and security, Systems modeling, Imaging systems, Electro optical systems, Optical engineering

SPIE Journal Paper | 3 February 2014 Open Access
OE, Vol. 53, Issue 01, 013109, (February 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.1.013109
KEYWORDS: Profiling, Optical simulations, 3D modeling, Sensors, Data modeling, Range imaging, 3D acquisition, Signal to noise ratio, Solid modeling, Target detection

Proceedings Article | 15 October 2013 Paper
Proceedings Volume 8897, 889705 (2013) https://doi.org/10.1117/12.2028647
KEYWORDS: Sensors, Near infrared, Reflectivity, Short wave infrared radiation, Multispectral imaging, Turbulence, Long wavelength infrared, Transmission electron microscopy, Visualization, Target recognition

Proceedings Article | 15 October 2013 Paper
Proceedings Volume 8897, 889702 (2013) https://doi.org/10.1117/12.2030412
KEYWORDS: Sensors, Signal processing, Data communications, Image processing, Data processing, Telecommunications, Data fusion, Infrared sensors, 3D image processing, Unmanned aerial vehicles

Proceedings Article | 28 May 2013 Paper
Proceedings Volume 8731, 87310U (2013) https://doi.org/10.1117/12.2015109
KEYWORDS: Solid modeling, Computer aided design, Sensors, Data modeling, Target detection, 3D modeling, Turbulence, Profiling, Optical simulations, 3D acquisition

Proceedings Article | 19 November 2012 Paper
Markus Henriksson, Tomas Olofsson, Christina Grönwall, Carl Brännlund, Lars Sjöqvist
Proceedings Volume 8542, 85420E (2012) https://doi.org/10.1117/12.974493
KEYWORDS: Tomography, Sensors, LIDAR, Satellites, Reflectivity, Laser systems engineering, Picosecond phenomena, Photons, Receivers, Unmanned aerial vehicles

Proceedings Article | 14 May 2012 Paper
Proceedings Volume 8379, 83790D (2012) https://doi.org/10.1117/12.919103
KEYWORDS: Sensors, 3D modeling, 3D acquisition, Image registration, Data modeling, 3D metrology, Clouds, Image segmentation, Reflection, 3D applications

Proceedings Article | 5 October 2011 Paper
Proceedings Volume 8186, 818607 (2011) https://doi.org/10.1117/12.901799
KEYWORDS: Sensors, Cameras, Target detection, LIDAR, Reflectivity, Image segmentation, Signal processing, Clouds, 3D acquisition, Image sensors

Proceedings Article | 3 June 2011 Paper
J. Bjärkefur, A. Karlsson, C. Grönwall, J. Rydell
Proceedings Volume 8056, 805609 (2011) https://doi.org/10.1117/12.883945
KEYWORDS: Sensors, Cameras, Process modeling, Imaging systems, Error analysis, Safety, Lithium, Environmental sensing, Telecommunications, RF communications

SPIE Journal Paper | 1 April 2011
OE, Vol. 50, Issue 04, 047201, (April 2011) https://doi.org/10.1117/12.10.1117/1.3560262
KEYWORDS: Target detection, Sensors, Spatial filters, Target recognition, Image segmentation, Feature extraction, LIDAR, Detection and tracking algorithms, Optical engineering, Data modeling

Proceedings Article | 13 May 2010 Paper
Christina Grönwall, Gustav Tolt, Daniel Karlsson, Hadi Esteki, Joakim Rydell, Ernest Armstrong, Jack Woods
Proceedings Volume 7696, 76960N (2010) https://doi.org/10.1117/12.849973
KEYWORDS: Target detection, Image segmentation, Sensors, 3D acquisition, LIDAR, 3D metrology, Head, Cameras, Data modeling, Imaging systems

Proceedings Article | 2 October 2008 Paper
Proceedings Volume 7115, 71150G (2008) https://doi.org/10.1117/12.800241
KEYWORDS: Turbulence, Profiling, Surface plasmons, Atmospheric turbulence, Scintillation, Picosecond phenomena, Photon counting, LIDAR, Target detection, Atmospheric propagation

Proceedings Article | 16 April 2008 Paper
Proceedings Volume 6950, 69500S (2008) https://doi.org/10.1117/12.777042
KEYWORDS: Target detection, Target recognition, Image segmentation, Sensors, Data modeling, Detection and tracking algorithms, Automatic target recognition, LIDAR, 3D acquisition, Statistical analysis

SPIE Journal Paper | 1 October 2007
OE, Vol. 46, Issue 10, 106201, (October 2007) https://doi.org/10.1117/12.10.1117/1.2789654
KEYWORDS: LIDAR, Signal to noise ratio, Sensors, Optical spheres, Error analysis, Laser systems engineering, Optical filters, Statistical analysis, Optical engineering, Detection and tracking algorithms

Proceedings Article | 26 April 2007 Paper
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

Proceedings Article | 5 October 2006 Paper
Proceedings Volume 6396, 63960A (2006) https://doi.org/10.1117/12.690189
KEYWORDS: LIDAR, Data acquisition, Environmental sensing, Clouds, 3D acquisition, Sensors, Automatic target recognition, Image registration, Laser systems engineering, Defense and security

Proceedings Article | 16 May 2006 Paper
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

Proceedings Article | 18 April 2006 Paper
Proceedings Volume 6242, 62420H (2006) https://doi.org/10.1117/12.661133
KEYWORDS: Sensors, Detection and tracking algorithms, 3D modeling, Prototyping, Target recognition, Data modeling, Data fusion, Long wavelength infrared, Target detection, 3D acquisition

Proceedings Article | 13 September 2004 Paper
Proceedings Volume 5412, (2004) https://doi.org/10.1117/12.542055
KEYWORDS: Stereolithography, Lithium, LIDAR, Systems modeling, Reconstruction algorithms, Detection and tracking algorithms, Imaging systems, Laser systems engineering, 3D modeling, Data modeling

Proceedings Article | 13 September 2004 Paper
Proceedings Volume 5412, (2004) https://doi.org/10.1117/12.553808
KEYWORDS: Sensors, LIDAR, Target recognition, Target detection, 3D modeling, Staring arrays, Laser systems engineering, Weapons, Eye, Environmental sensing

Proceedings Article | 12 April 2004 Paper
Tobias Horney, Jorgen Ahlberg, Christina Gronwall, Martin Folkesson, Karin Silvervarg, Jorgen Fransson, Lena Klasen, Erland Jungert, Fredrik Lantz, Morgan Ulvklo
Proceedings Volume 5434, (2004) https://doi.org/10.1117/12.540968
KEYWORDS: Sensors, Target recognition, Human-machine interfaces, Data fusion, Visualization, Target detection, Telecommunications, Algorithm development, Decision support systems, Automatic target recognition

Proceedings Article | 22 October 2001 Paper
Christina Groenwall, Mille Millnert
Proceedings Volume 4379, (2001) https://doi.org/10.1117/12.445401
KEYWORDS: LIDAR, Laser systems engineering, Imaging systems, Object recognition, Error analysis, Radon, Radar imaging, 3D modeling, Data modeling, Data analysis

Proceedings Article | 28 May 1999 Paper
Ove Steinvall, Hakan Olsson, Goeran Bolander, Christina Groenwall, Dietmar Letalick
Proceedings Volume 3707, (1999) https://doi.org/10.1117/12.351364
KEYWORDS: Target detection, Clouds, Target recognition, Pulsed laser operation, Cameras, Machine vision, Computer vision technology, Image processing, Reflectivity, Sensors

Proceedings Article | 18 September 1998 Paper
Erland Jungert, Christina Groenwall, Claes Leuhusen
Proceedings Volume 3371, (1998) https://doi.org/10.1117/12.323878
KEYWORDS: LIDAR, Image segmentation, 3D image processing, Library classification systems, Image classification, Laser systems engineering, Spatial resolution, Target detection, Databases, Feature extraction

Showing 5 of 32 publications
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