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30 April 2007 Range performance benefit of contrast enhancement
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Abstract
This paper discusses the range-performance benefit of high-frequency boost and local-area contrast enhancement (LACE). Boost corrects for diffraction blur and other imager blurs that degrade the high-frequency content of imagery. LACE reduces the dynamic range of scene content and results in better use of display gray scale. In some cases, the target acquisition range of state-of-the-art thermal imagers is doubled. However, the effectiveness of image processing depends on the signal to noise and sampling properties of the imager. Range performance is predicted using the NVThermIP** thermal model; model application and limitations are discussed.
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Richard Vollmerhausen and Van Hodgkin "Range performance benefit of contrast enhancement", Proc. SPIE 6543, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XVIII, 65430B (30 April 2007); https://doi.org/10.1117/12.721429
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