3.5. Mean Curvature Blur

3.5. Mean Curvature Blur
	3. Sumenna-suotimet

3.5.1. Yleiskatsaus

Regularize geometry at a speed proportional to the local mean curvature value: this filter uses the mean curvature algorithm to blur the image preserving edges.

The Mean Curvature algorithm is described on Wikipedia.

3.5.2. Käynnistä suodin

You can find this filter in the image menu under Filters → Blur → Mean Curvature Blur…

3.5.3. Valinnat

Kuva 17.16. ”Mean Curvature Blur” filter parameters

Presets, ”Input Type”, Clipping, Blending Options, Preview, Split view

	Huomaa
	These options are described in Kohta 2, ”Common Features”.

Iterations

Increasing Iterations increases blur.

3.5.4. Examples

Alkuperäinen kuva

Iterations = 4

Mean Curvature Blur can be used to denoise an image:

Kuva 17.17. Mean Curvature Blur to denoise

Alkuperäinen kuva

Iterations = 9