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Integrity of edge and detail information associated with the original images play an important role in applications. Images acquired from sensors, transmission errors and lossy compression contains noise and it is necessary to apply an efficient denoising technique to compensate for such data corruption. Image denoising still remains a challenge for researchers, since noise removal introduces artifacts and causes blurring in images. The median filter and specialized median filters are most popular for removing salt and pepper noise however when the noise level is high some details and edges of the original image are smeared by the filter.
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