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28 November 2007 Algorithm realization of median filter in multiple environments testing conditions for low-level-light sight devices measurement system
Youtang Gao, Si Tian, Benkang Chang, Yafeng Qiu, Jianliang Qiao
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Proceedings Volume 6834, Optical Design and Testing III; 68341U (2007) https://doi.org/10.1117/12.753983
Event: Photonics Asia 2007, 2007, Beijing, China
Abstract
Low-level-light (LLL) sight devices measurement technologies based on multiple environments testing conditions are always concerned by military equipments manufacturers. Because vibration, shooting, shock, drop and high low-temperature environment, etc. are under loaded function, the machinery, optics structure and electric performance parameter change to make LLL sight instrument, causing the LLL sight instrument can't be worked and used normally while taking aim. We have designed the measure and test system of LLL sight instruments under multiple environmental experimental conditions, provided and made up the operation principle of the detection system by CCD. Have analyzed the image of LLL sight devices, have brought forward algorithm of median filter, and have already confirmed its accurate number value. Have combined actual project application, the measure precision which is less than 0.05 mil. And the measure range which is greater than 40 mil. It can meet the project requirements.
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Youtang Gao, Si Tian, Benkang Chang, Yafeng Qiu, and Jianliang Qiao "Algorithm realization of median filter in multiple environments testing conditions for low-level-light sight devices measurement system", Proc. SPIE 6834, Optical Design and Testing III, 68341U (28 November 2007); https://doi.org/10.1117/12.753983
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KEYWORDS
Environmental sensing
Telescopes
Digital filtering
Image processing
Measurement devices
Image filtering
Computing systems
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