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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/1121

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contributor.authorSa, Pankaj K-
contributor.authorDash, R-
contributor.authorMajhi, B-
identifier.citationFourth IEEE International Conference on Industrial and Information Systems 28–31 December 2009, University of Peradeniya, Sri Lankaen
descriptionCopyright for the published version belongs to Proceedings publisheren
description.abstractThe proposed approach of removal of random valued impulsive noise from images works in two phases. The first phase detects contaminated pixels and the second phase filters only those pixels keeping others intact. The detection scheme utilizes second order difference of pixels in a test window and the filtering scheme is a variation median filter based on the edge information. The proposed scheme is simulated extensively on standard images and comparison with existing schemes reveal that our scheme outperforms them in terms of Peak Signal to Noise Ratio (PSNR), number of false detection and miss detection. The proposed scheme is also good at preserving finer details. Further, the computational complexity and number of iterations needed by the proposed scheme is less than the existing counterparts.en
format.extent389338 bytes-
publisherUniversity of Peradeniyaen
titleSecond order difference based detection and directional weighted median filter for removal of random valued impulsive noiseen
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