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- W2046704958 abstract "The RL(Richardson-Lucy) algorithm is an important method for restoration of turbulence-degraded images. However, the shortcoming of this method is that it tends to amplify the noise and exsits excessive smoothing in the iterative procedure. This paper discusses the RL algorithm and its improving methods focusing on turbulence-degraded images restoration.Firstly, a short exposure atmospheric turbulence-degraded model is established and a numerical computing method is proposed for random phase screen. Secondly, the essential principle and computational formula are deduced. To restore the object image effectively from the turbulence-degraded image, a new double-circulation iterative Richardson-Lucy restoration algorithm using TV-regularized method is proposed. This new algorithm introduces the total variation restraint and estimates the object image and the point spread function based on the inner and outer double-circulation iteration, which can use the inherent relation between the object image and the point spread function adequately. Simulation experiments show that the proposed algorithm can effectively preserve the details and edges of the image and its restoration effect is obviously better than the traditional RL algorithm." @default.
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- W2046704958 date "2014-03-01" @default.
- W2046704958 modified "2023-09-28" @default.
- W2046704958 title "A Turbulence-Degraded Image Restoration Algorithm Using the Maximum Likelihood Estimation Method" @default.
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- W2046704958 doi "https://doi.org/10.4028/www.scientific.net/amm.543-547.2391" @default.
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