SmoothGuided node
This documentation is for version 2.0 of SmoothGuided (net.sf.cimg.CImgGuided).
Description
Blur image, with the Guided Image filter.
The algorithm is described in: He et al., “Guided Image Filtering,” http://research.microsoft.com/en-us/um/people/kahe/publications/pami12guidedfilter.pdf
Uses the ‘blur_guided’ function from the CImg library.
CImg is a free, open-source library distributed under the CeCILL-C (close to the GNU LGPL) or CeCILL (compatible with the GNU GPL) licenses. It can be used in commercial applications (see http://cimg.eu).
Inputs
Input |
Description |
Optional |
---|---|---|
Source |
No |
|
Mask |
Yes |
Controls
Parameter / script name |
Type |
Default |
Function |
---|---|---|---|
Radius / |
Integer |
5 |
Radius of the spatial kernel (positional sigma), in pixel units (>=0). |
Smoothness / |
Double |
0.2 |
Regularization parameter. The actual guided filter parameter is epsilon^2). |
Iterations / |
Integer |
1 |
Number of iterations. |
(Un)premult / |
Boolean |
Off |
Divide the image by the alpha channel before processing, and re-multiply it afterwards. Use if the input images are premultiplied. |
Invert Mask / |
Boolean |
Off |
When checked, the effect is fully applied where the mask is 0. |
Mix / |
Double |
1 |
Mix factor between the original and the transformed image. |