The Bilateral Blur filter blurs an image while retaining areas of high contrast. As these contrast changes most commonly occur at edges, it makes the filter very useful both for noise reduction and for creating interesting stylistic effects.
The following settings can be adjusted on the context toolbar:
Radius—controls the size of the area sampled for the blur.
Tolerance—controls whether pixels are included within the blur based on the difference between tonal values of neighbouring pixels. At larger tolerance values, pixels with greater tonal differences will be included within the blur.
