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30 August 2005 High resolution long range terrestrial imaging
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Achieving high resolution imagery of distant terrestrial objects from ground based sensors presents a unique technical challenge. The entire optical path is fully immersed in a dense and turbulent atmosphere, resulting in a significant loss of scene contrast and resolution. Although there are strong similarities to the problems of high resolution astronomical and space object imaging, there are also some significant differences. This paper describes the long horizontal path seeing environment, two portable long range imaging systems MIST (Miniature Integrated Speckle imaging Telescope) and TFIC (Terrestrial Fusion Imaging Camera) and the associated image processing workflow. MIST was specifically designed to support long range, high resolution imaging research. TFIC is a very portable and compact high resolution field imaging system. The TFIC image processing workflow uses a combination of luminance processing, speckle imaging and image fusion. Representative high resolution urban and marine environment imagery with horizontal path distances up to 128 km (80 miles) is shown.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dan Slater "High resolution long range terrestrial imaging", Proc. SPIE 5896, Unconventional Imaging, 58960B (30 August 2005);


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