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The Computer Journal Advance Access originally published online on September 4, 2007
The Computer Journal 2009 52(1):80-89; doi:10.1093/comjnl/bxm050
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© The Author 2007. Published by Oxford University Press on behalf of The British Computer Society. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Application Of Papoulis–Gerchberg Method In Image Super-Resolution and Inpainting

Priyam Chatterjee1, Sujata Mukherjee1, Subhasis Chaudhuri1,* and Guna Seetharaman2

1 Department of Electrical Engineering, Indian Institute of Technology Bombay, India
2 Department of Electrical and Computer Engineering, Air Force Institute of Technology, Wright Patterson AFB, OH, USA

* Corresponding author: sc{at}ee.iitb.ac.in

Received 15 May 2006; revised 1 June 2007

In this paper, we study the Papoulis–Gerchberg (PG) method and its applications to domains of image restoration such as super-resolution (SR) and inpainting. We show that the method performs well under certain conditions. We then suggest improvements to the method to achieve better SR and inpainting results. The modification applied to the SR process also allows us to apply the method to a larger class of images by doing away with some of the restrictions inherent in the classical PG method. We also present results to demonstrate the performance of the proposed techniques.

Key Words: Papoulis–Gerchberg • super-resolution • interpolation • inpainting


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