Evolutionary tree-structured filter for impulse noise removal

Authors:
Nemanja I. Petrović;Vladimir S. Crnojević
Affiliations:
Dept. of Telecommunications and Information Processing (TELIN), IPI, Ghent University, Gent, Belgium;Faculty of Engineering, Novi Sad, Serbia
Venue:
ACIVS'06 Proceedings of the 8th international conference on Advanced Concepts For Intelligent Vision Systems
Year:
2006

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Abstract

A new evolutionary approach for construction of uniform impulse noise filter is presented. Genetic programming is used for combining the basic image transformations and filters into tree structure, which can accurately estimate noise map. Proposed detector is employed for building switching-scheme filter, where recursively implemented α-trimmed mean is used as the estimator of corrupted pixel values. The proposed evolutionary filtering structure shows very good results in removal of uniform impulse noise, for wide range of noise probabilities and different test images.