[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.5573/IEIESPC.2015.4.6.413

Regularized Multichannel Blind Deconvolution Using Alternating Minimization

James, Soniya (Department of Electronics and Communication, The Oxford College of Engineering)
Maik, Vivek (Department of Electronics and Communication, The Oxford College of Engineering)
Karibassappa, K. (Department of Electronics and Communication, The Oxford College of Engineering)
Paik, Joonki (Graduate School of Advanced Imaging Science, Multimedia and Film, Chung Ang University)

Publication Information

IEIE Transactions on Smart Processing and Computing / v.4, no.6, 2015 , pp. 413-421 More about this Journal

Abstract

Regularized Blind Deconvolution is a problem applicable in degraded images in order to bring the original image out of blur. Multichannel blind Deconvolution considered as an optimization problem. Each step in the optimization is considered as variable splitting problem using an algorithm called Alternating Minimization Algorithm. Each Step in the Variable splitting undergoes Augmented Lagrangian method (ALM) / Bregman Iterative method. Regularization is used where an ill posed problem converted into a well posed problem. Two well known regularizers are Tikhonov class and Total Variation (TV) / L2 model. TV can be isotropic and anisotropic, where isotropic for L2 norm and anisotropic for L1 norm. Based on many probabilistic model and Fourier Transforms Image deblurring can be solved. Here in this paper to improve the performance, we have used an adaptive regularization filtering and isotropic TV model Lp norm. Image deblurring is applicable in the areas such as medical image sensing, astrophotography, traffic signal monitoring, remote sensors, case investigation and even images that are taken using a digital camera / mobile cameras.

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