Archive:Kdenlive/Manual/Effects/Alpha manipulation/Blue Screen

Blue Screen

This effect allows you to do Chroma Keying (Chroma key compositing/Green Screen) on Kdenlive

Youtube video on Chroma Keying which uses the Blue Screen effect

Another video on chroma keying / green screen. This one also shows you how to use rotoscoping to remove stuff you do not want from out of your frame. It also means you don't need to fill your whole frame with the green screen either.

Also uses

Composite Transition.
Crop and Transform>Pan and Zoom effect
Enhancment>Sharpen Effect
Alpha Manipution>Alpha Operations