Kdenlive/Manual/Effects/Alpha manipulation
Alpha manipulation
General Information about Alpha Manipulation
Alpha Manipulation, more commonly known as Chroma Key compositing is an effect that changes the background of the picture to a different background the editor may want.
More information can be found on the pages for the effects themselves:
- Chroma Key (for simple chroma key effects)
- Color Selection (for complex chroma key effects)
Effects in the Alpha Manipulation Category
- Alpha gradient
- Alpha operations
- Alpha shapes
- Chroma Key
- Color Selection
- Rectangular Alpha mask
- Rotoscoping
- Key Spill Mop Up
Compositing Reference Material
For some background, the Wikipedia article in alpha compositing is useful. See also Porter, Thomas; Tom Duff (1984). "Compositing Digital Images". Computer Graphics 18 (3): p253–259 1984 pdf