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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

SDME Quality Measure based Stopping Criteria for Iterative Deblurring Algorithms

Author 1: Mayana Shah
Author 2: U. D. Dalal

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2016.071027

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 7 Issue 10, 2016.

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Abstract: Deblurring from motion problem with or without noise is ill-posed inverse problem and almost all inverse problem require some sort of parameter selection. Quality of restored image in iterative motion deblurring is dependent on optimal stopping point or regularization parameter selection. At optimal point reconstructed image is best matched to original image and for other points either data mismatch occurs and over smoothing is resulted. The methods used for optimal parameter selection are formulated based on correct estimation of noise variance or with restrictive assumption on noise. Some methods involved heavy computation and produce delay in final output. In this paper we propose the method which calculate visual image quality of reconstructed image with the help of Second derivative like measure of enhancement (SDME) and helps to efficiently decide optimal stopping condition which has been checked for leading image deblurring algorithm. It do not require any estimation of noise variance or no heavy computation are needed. Simulation has been done for various images including standard images for different degradation and noise condition. For test leading deblurring algoritham of Blind and Semi-Blind deblurring of Natural Images using Alternate direction method of minimizer (ADMM) is considered. The obtained results for synthetically blurred images are good even under noisy condition with ? ISNR average values 0.2914 dB. The proposed whiteness measures seek powerful solution to iterative deblurring algorithms in deciding automatic stopping criteria.

Keywords: Image deblurring; stopping point; Point Spread Function; Second derivative like measure of enhancement

Mayana Shah and U. D. Dalal, “SDME Quality Measure based Stopping Criteria for Iterative Deblurring Algorithms” International Journal of Advanced Computer Science and Applications(IJACSA), 7(10), 2016. http://dx.doi.org/10.14569/IJACSA.2016.071027

@article{Shah2016,
title = {SDME Quality Measure based Stopping Criteria for Iterative Deblurring Algorithms},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2016.071027},
url = {http://dx.doi.org/10.14569/IJACSA.2016.071027},
year = {2016},
publisher = {The Science and Information Organization},
volume = {7},
number = {10},
author = {Mayana Shah and U. D. Dalal}
}


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