User Manual

If parts of the processed image are very smooth in color, the neighboring values are
very similar.
In parts of the image where the pixels are different (e.g., an edge), the results are
different and tend to highlight or emboss edges in the image.
A Custom Filter adding and subtracting neighboring pixels to create an embossed image
Exposure Example
Using the values...
1 1 1
1 1 1
1 1 1
...and adjusting Normalize to a positive value makes the image brighter or glow,
simulating film overexposure.
The Custom Filter Normalize slider used to change exposure
Relief Example
Using the values...
-1 0 0
0 0 0
0 0 1
... and adjusting Floor Level to a positive value creates a Relief filter.
Custom Filter Floor Level slider used to create a relief
Chapter – 91 Filter Nodes 2039