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10 February 2017 An efficient shutter-less non-uniformity correction method for infrared focal plane arrays
Xiyan Huang, Xiubao Sui, Yao Zhao
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Proceedings Volume 10250, International Conference on Optical and Photonics Engineering (icOPEN 2016); 102500K (2017) https://doi.org/10.1117/12.2266648
Event: Fourth International Conference on Optical and Photonics Engineering, 2016, Chengdu, China
Abstract
The non-uniformity response in infrared focal plane array (IRFPA) detectors has a bad effect on images with fixed pattern noise. At present, it is common to use shutter to prevent from radiation of target and to update the parameters of non-uniformity correction in the infrared imaging system. The use of shutter causes „freezing‟ image. And inevitably, there exists the problems of the instability and reliability of system, power consumption, and concealment of infrared detection. In this paper, we present an efficient shutter-less non-uniformity correction (NUC) method for infrared focal plane arrays. The infrared imaging system can use the data gaining in thermostat to calculate the incident infrared radiation by shell real-timely. And the primary output of detector except the shell radiation can be corrected by the gain coefficient. This method has been tested in real infrared imaging system, reaching high correction level, reducing fixed pattern noise, adapting wide temperature range.
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Xiyan Huang, Xiubao Sui, and Yao Zhao "An efficient shutter-less non-uniformity correction method for infrared focal plane arrays", Proc. SPIE 10250, International Conference on Optical and Photonics Engineering (icOPEN 2016), 102500K (10 February 2017); https://doi.org/10.1117/12.2266648
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KEYWORDS
Nonuniformity corrections
Infrared radiation
Staring arrays
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