Random noises corrupt the information contained in seismic data and in order to obtain more reliable information we have to attenuate them as much as possible. The majority of methods by using an appropriate transformation do this task. But in this paper we do not use any transformation domain and introduce two temporal/spatial filters named Bilateral and Non-local means. After comparative study of their performance on synthetic data, we address the problem of parameter estimation for the proposed filters and present a method to estimate the optimal parameters. The synthetic data test shows high performance of our method.


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