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A NOVEL DIFFUSION FILTER FOR IMAGE RESTORATION AND ENHANCEMENT

Abstract : We are proposing a new filter for image restoration and enhancement tasks that relies on image orientation analysis techniques for steering and directing smoothing or enhancement processes. The filter is developed under the Partial Differential Equations (PDE) framework using asymmetric orientation estimation operators and it has better junction preservation and noise removal properties than existing classical PDE based methods. We employ an experimental setup involving several computer generated images and a statistical interpretation of the results for proving the efficiency of the method in processing images composed of directional textures and degraded by additive Gaussian noise. The algorithm is compared also with state-of-the-art non-PDE based methods in filtering images containing oriented patterns.
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https://hal.archives-ouvertes.fr/hal-00584764
Contributor : Christian Germain Connect in order to contact the contributor
Submitted on : Sunday, April 10, 2011 - 3:00:54 PM
Last modification on : Tuesday, August 17, 2021 - 10:38:05 AM

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  • HAL Id : hal-00584764, version 1

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Romulus Terebes, Monica Borda, Sorin Pop, Olivier Lavialle, Christian Germain, et al.. A NOVEL DIFFUSION FILTER FOR IMAGE RESTORATION AND ENHANCEMENT. Revue Roumaine des Sciences Techniques. Serie Électrotechnique et Énergétique, Romanian Academy, Publishing House of the Romanian Academy 2010, 55 (3), pp.310-319. ⟨hal-00584764⟩

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