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Adapting to Change: The CFAR Problem in Advanced Hyperspectral Detection
October 10-October 12
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/AIPR.2007.1136th Applied Imagery Pattern Recognit ...
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Newer, realistic models of targets and backgrounds used in hyperspectral detection do not always lend themselves to a CFAR (constant false alarm rate) formulation. Several advanced techniques are considered here. It is found that incorporating a particular empirically validated method of target evolution permits an exact CFAR version of a large class of advanced detectors based on elliptically contoured distributions. Other validated detectors are considered, for which no closed form normalization exists to convert them to CFAR form. For these a geometrical approach to achieving approximate CFAR performance is described and analyzed.
Index Terms:
CFAR, hyperspectral, detection, algorithm
Citation:
Alan Schaum, "Adapting to Change: The CFAR Problem in Advanced Hyperspectral Detection," aipr, pp.15-21, 36th Applied Imagery Pattern Recognition Workshop (aipr 2007), 2007
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