13 November 2014 The research of filtering on images with noises of the three-mirror aperture optical system
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Abstract
In order to eliminate the noise in images acquired by the sparse aperture system, the modeling and filtering of electrical and optical noise are analyzed by the case of three-mirror aperture optical system. The study shows that the median filter can be applied to remove Gauss and salt & pepper noise, meanwhile high-pass filter with Gauss function can eliminate the influence of non-uniform illuminating on imaging. The Lucy-Richardson algorithm is used to restore the image, by which the resolution is heightened.
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Jun Wang, Quanying Wu, Junliu Fan, Youqing Wang, "The research of filtering on images with noises of the three-mirror aperture optical system", Proc. SPIE 9276, Optical Metrology and Inspection for Industrial Applications III, 92761Q (13 November 2014); doi: 10.1117/12.2071800; https://doi.org/10.1117/12.2071800
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