Prewitt¶
Popis
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.
Parametry
Parametr |
Hodnota |
Popis |
|---|---|---|
Planes |
Výběr |
Set which planes will be processed, unprocessed planes will be copied. |
Měřítko |
Celé číslo |
Set value which will be multiplied with filtered result |
Rozdíl |
Celé číslo |
Set value which will be added to filtered result |
Jsou dostupné následující položky pro výběr:
Planes
Žádný |
|
Y |
|
U |
|
YU |
|
YU |
|
V |
|
UV |
|
YUV |
YUV |
Alfa |