Roberts¶
Description
This effect/filter applies the Roberts cross operator[1] to the input video stream. It detects edges (differential operator) and, in the default settings, colors them white and grainy. Compare Kirsch, Prewitt and Sobel effects.
Parameters
Parameter |
Value |
Description |
|---|---|---|
Planes |
Selection |
Set which planes will be processed, unprocessed planes will be copied. Default is All. |
Scale |
Integer |
Set value which will be multiplied with filtered result |
Delta |
Integer |
Set value which will be added to filtered result |
The following selection items are available:
Planes
None |
|
Y (Luminance) |
|
U (Chroma red-diff) |
|
YU |
|
V (Chroma blue-diff) |
|
YV |
|
UV |
|
All |
Default |
Alpha |