Prewitt¶
Description
This effect/filter applies the Prewitt[1] operator to the input video stream. It detects edges (discrete differentiation operator) and, in the default settings, colors them white and pinkish. Compare Kirsch, Roberts and Sobel effects.
Parameters
Parameter |
Value |
Description |
|---|---|---|
Planes |
Selection |
Set which planes will be processed, unprocessed planes will be copied. |
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 |
|
U |
|
YU |
|
V |
|
YV |
|
UV |
|
YUV |
Default |
Alpha |