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A robust filtering technique is proposed, which is utilizing a novel concept of pixels dissimilarity based on the reachability distance. The structure of the denoising method requires the estimation of the impulsiveness of each pixel in the processing block using the introduced local reachability concept. Furthermore, we determine the similarity of each pixel in the block to the central patch consisting of the processed pixel and its neighbors. Both measures are calculated as an average of modified reachability distances to the most similar pixels of the central patch and the final filtering output is a weighted average of all pixels belonging to the processing block. The proposed technique was compared with widely used filtering methods and the performed experiments proved its satisfying denoising properties. The introduced filtering design is insensitive to outliers and their clusters introduced by the impulsive noise process, preserves details and is able to efficiently suppress the Gaussian noise while enhancing the image edges. Additionally, we proposed a method which estimates the noise contamination intensity, so that the proposed filter is able to adaptively tune its parameters.<\/jats:p>","DOI":"10.1007\/s11042-020-09550-w","type":"journal-article","created":{"date-parts":[[2020,8,29]],"date-time":"2020-08-29T02:04:02Z","timestamp":1598666642000},"page":"32857-32879","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["On the application of the reachability distance in the suppression of mixed Gaussian and impulsive noise in color images"],"prefix":"10.1007","volume":"79","author":[{"given":"Bogdan","family":"Smolka","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6282-7594","authenticated-orcid":false,"given":"Damian","family":"Kusnik","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2020,8,29]]},"reference":[{"key":"9550_CR1","doi-asserted-by":"crossref","unstructured":"Angiulli F, Pizzuti C (2002) Fast outlier detection in high dimensional spaces. 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