3.5. Mean Curvature Blur

3.5. Mean Curvature Blur
	3. Oskärpefilter

3.5.1. Översikt

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. Aktivera filtret

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

3.5.3. Alternativ

Figur 17.16. ”Mean Curvature Blur” filter parameters

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

	Notera
	Dessa alternativ beskrivs i Avsnitt 2, ”Gemensamma funktioner”.

Iterations

Increasing Iterations increases blur.

3.5.4. Examples

Ursprunglig bild

Iterations = 4

Mean Curvature Blur can be used to denoise an image:

Figur 17.17. Mean Curvature Blur to denoise

Ursprunglig bild

Iterations = 9