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Paper Details

A Review on Various Techniques for Image Debluring

Shital Hemant Umale?

Journal Title:International Journal of Computer Science and Mobile Computing - IJCSMC
Abstract


Image debluring refers to procedures that attempt to reduce the blur amount in a blurry image and grant the degraded image an overall sharpened appearance to obtain a clearer image. The point spread function (PSF) is one of the essential factors that needed to be calculated, since it will be employed with different types of debluring algorithms. In this paper, the studied various fast debluring techniques like Richardson Lucy and its optimized version, Van Cittert and its enhanced version, Landweber, Poisson Map, and Laplacian sharpening filters. The usage of the PSF in the debluring algorithm is explained and a comparison between the optimized, the enhanced algorithms and Laplacian sharpening filters in terms of the number of mathematical operations, number of iterations employed, computation time, debluring in case of noise existence, and the accuracy measurement using peak signal to noise ratio (PSNR) for each technique is conducted.

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