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In the paper a novel switching filter based on the reduced ordering statistics, combined with the peer group concept is proposed. The new technique assigns to each pixel the sum of the distances to two closest neighbors and if the sum exceeds a specified threshold, then the pixel is declared as corrupted and replaced, otherwise it is retained. The main advantage of the novel approach is its ability...
In this paper a novel, fast soft switching filtering technique intended for impulsive noise removal in color images is presented. The impulsive noise detection algorithm is based on the concept of trimmed cumulated distances, which are assigned to the central pixel of a sliding filtering window. The trimmed sum of distances serves as an indicator of the strength of impulses injected to the image by...
In this paper a new approach to the problem of impulsive noise removal in color images is presented. The novel design can be seen as a generalization of the vector median filter and is based on the weighting of the dissimilarity measures between pixels contained in the local filtering window. The weights assigned to each color sample are decreasing functions of their ranks in an ordered sequence,...
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