Standard Keying Tools
There are various keying nodes available in Blender’s node-editor. Often people try to use the color- or chroma-key, which surely are useful in some situations. The best key however is the channel-key, which is able to create decent mattes with fine edges. In this video you will learn how to use the channel-key to get a solid alpha-channel instantly, but also how to enhance and preprocess your footage to improve your key and create a smooth edge with lots of detail.