An efficient natural image deblurring algorithm

Authors:
Rajesh R. Pillai;Vandana Dixit Kaushik;Phalguni Gupta
Affiliations:
Department of Computer Science & Engineering, Indian Institute of Technology Kanpur, Kanpur, India;Department of Computer Science & Engineering, Hartcourt Butler Technological Institute, Kanpur, India;Department of Computer Science & Engineering, Indian Institute of Technology Kanpur, Kanpur, India
Venue:
ICIC'13 Proceedings of the 9th international conference on Intelligent Computing Theories
Year:
2013

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Abstract

This paper has considered the problem of deblurring of an image which is an ill-posed and challenging problem due to not only the large number of unknowns but also non-availability of more number of images of the same scene or objects. It uses the Variational Bayesian approach to optimize the posterior probability and to derive the most probable Point Spread Function (PSF). Lucy Richardson algorithm [1] has been modified to get the deblurred image. The algorithm is found to be very effective for natural images.