Prewitt

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.

The effect does not have keyframes.

Prewitt effect

• Planes - Set which planes will be processed, unprocessed planes will be copied. Default is YUV.

• Scale - Set value which will be multiplied with filtered result

• Delta - Set value which will be added to filtered result

Notes

[1]

For more details refer to the Prewitt Operator article in Wikipedia