Multi Image Super Resolution in Presence of Noise by Determining Weighting Coefficients in Map Estimator

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Mofidi Nafiseh; AHMADYFARD ALIREZA

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Journal: MACHINE VISION AND IMAGE PROCESSING Year:2017 | Volume:3 | Issue:2 Page(s): 23-38

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Information Journal Paper

Title

Multi Image Super Resolution in Presence of Noise by Determining Weighting Coefficients in Map Estimator

Author(s)

Mofidi Nafiseh | AHMADYFARD ALIREZA | Issue Writer Certificate

Keywords

Super-resolution

M-estimation

Adaptive Weighting

BEP Regularization term

Edge Map Matrix

Abstract

In order to enhance image resolution and overcome the physical limitations of imaging systems, image Super-resolution (SR) is proposed. In SR technique, a high resolution (HR) image is produced by fusing a sequence of low-resolution (LR) images. Since many recent approaches seeking an SR algorithm suppresses noise whilepreserving edges, in this paper, based-upon the statistical techniques, we have proposed an adaptive algorithmwhich is robust in the presenceof Gaussian noise-which has a high detrimental effect on image quality-and moreover, shows a good performance comparing to the other existing methods. In this adaptive algorithm we introducea set of weighting coefficients, which control the contribution between the dataerror and regularization terms in each of the estimated HR pixels. These coefficients are determined according to the neighbors information of the estimated pixel. Experimental results from both synthetic and real images confirm that theproposed algorithm outperforms the other methods.

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APA: Copy

Mofidi, Nafiseh, & AHMADYFARD, ALIREZA. (2017). Multi Image Super Resolution in Presence of Noise by Determining Weighting Coefficients in Map Estimator. MACHINE VISION AND IMAGE PROCESSING, 3(2 ), 23-38. SID. https://sid.ir/paper/265729/en

Vancouver: Copy

Mofidi Nafiseh, AHMADYFARD ALIREZA. Multi Image Super Resolution in Presence of Noise by Determining Weighting Coefficients in Map Estimator. MACHINE VISION AND IMAGE PROCESSING[Internet]. 2017;3(2 ):23-38. Available from: https://sid.ir/paper/265729/en

IEEE: Copy

Nafiseh Mofidi, and ALIREZA AHMADYFARD, “Multi Image Super Resolution in Presence of Noise by Determining Weighting Coefficients in Map Estimator,” MACHINE VISION AND IMAGE PROCESSING, vol. 3, no. 2 , pp. 23–38, 2017, [Online]. Available: https://sid.ir/paper/265729/en

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