Is there any way to filter flat regions and edges of a noisy image separately?

08 August 2018 0 8K Report

In my applications related to image denoising (filtering), I often suffer from the presence of the artifacts in the homogeneous filtered regions. In order to overcome this shortcoming, I thought to separate my noisy image into flat (homogeneous) regions and heterogeneous ones, and then process (filter) them separately. So my question is as follows: What is the simplest way to do this separation? and what is the best task to do in order to preserve the smoothness of the flat regions?

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