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Abdessamad Ben Hamza, Pedro L. Luque-Escamilla, José Martínez-Aroza, Ramón Román-Roldán
2012 Journal of Mathematical Imaging and Vision  
In this paper, a median based filter called relaxed median filter is proposed. The filter is obtained by relaxing the order statistic for pixel substitution. Noise attenuation properties as well as edge and line preservation are analyzed statistically. The trade-off between noise elimination and detail preservation is widely analyzed. It is shown that relaxed median filters preserve details better than the standard median filter, and remove noise better than other median type filters.
doi:10.1023/a:1008395514426 fatcat:p4frqksmq5brfn5tyaghehdmse