Image change detection using a SWIR active imaging system

Armin L. Schneider; David Monnin; Martin Laurenzis; Frank Christnacher

doi:10.1117/12.2028982

15 October 2013 Image change detection using a SWIR active imaging system

Armin L. Schneider, David Monnin, Martin Laurenzis, Frank Christnacher

Proceedings Volume 8897, Electro-Optical Remote Sensing, Photonic Technologies, and Applications VII; and Military Applications in Hyperspectral Imaging and High Spatial Resolution Sensing; 88970L (2013) https://doi.org/10.1117/12.2028982
Event: SPIE Security + Defence, 2013, Dresden, Germany

Abstract

We are currently developing a system consisting of a GPS receiver, a three-axis magnetic compass as well as a digital video camera in order to visualize changes occuring along a regularily used itinerary. This is done by comparing actual images with images from the same scene, which have been acquired during a previous measurement. The luminosity of images from two different passages however can be quite different (due to different meteorological conditions). Whereas the global luminosity can be adjusted using non-linear luminosity correction, the treatment of shadows is more di cult. Since meteorological conditions cannot be controlled, we are investigating the possibility of using a Laser Gated Viewing system in the SWIR domain to illuminate the scene. Using appropriate filters for the camera, we are completely independent of natural illumination and in addition, the system can also be used at night.

Citation Download Citation

Armin L. Schneider, David Monnin, Martin Laurenzis, and Frank Christnacher "Image change detection using a SWIR active imaging system", Proc. SPIE 8897, Electro-Optical Remote Sensing, Photonic Technologies, and Applications VII; and Military Applications in Hyperspectral Imaging and High Spatial Resolution Sensing, 88970L (15 October 2013); https://doi.org/10.1117/12.2028982

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KEYWORDS

Image registration

Imaging systems

Laser systems engineering

Cameras

Short wave infrared radiation

Sensors

Speckle

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