Robust rank detail-preserving filters with noise suppression in image processing applications

Volodymyr I. Ponomaryov; Oleksiy B. Pogrebnyak; Felipe Gonsalez Leon

doi:10.1117/12.354708

21 July 1999 Robust rank detail-preserving filters with noise suppression in image processing applications

Volodymyr I. Ponomaryov, Oleksiy B. Pogrebnyak, Felipe Gonsalez Leon

Proceedings Volume 3716, Visual Information Processing VIII; (1999) https://doi.org/10.1117/12.354708
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

In this paper, we present a robust image filtering algorithms that provide preservation of fine details and strong speckle nose suppression. They were derived using our approach for robust filter design. According to this approach, we used M-estimators and R-estimators derived from the statistical theory of rank tests. At the first stage, to provide impulsive noise rejection, the introduced robust image filters use the central pixel of the filtering window and the redescending M-estimators combined with the median or Wilcoxon estimators. At the second stage, to provide multiplicative noise suppression, a modified Sigma filter that implements the iterative calculation scheme of a redescending M-estimator, is used. The proposed robust rank detail-p[reserving filter demonstrated excellent fine detail preservation and impulsive noise removal. Visual and analytical analysis of these results shows the algorithm proposed on the base of RM approach provide good visual quality of processed data and possess good speckle noise attenuation capabilities.

Citation Download Citation

Volodymyr I. Ponomaryov, Oleksiy B. Pogrebnyak, and Felipe Gonsalez Leon "Robust rank detail-preserving filters with noise suppression in image processing applications", Proc. SPIE 3716, Visual Information Processing VIII, (21 July 1999); https://doi.org/10.1117/12.354708

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