Kdenlive/Manual/Effekter/Alfamanipulation

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Effekter - alfamanipulation

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)
Farvevalg

Alfagradient
Alfa-operationer
Alfaformer
[[Special:myLanguage/Kdenlive/Manual/Effects/Alpha manipulation/Blue Screen|Chroma Key ]
Color Selection
Rectangular Alpha mask
Rotoscoping
Key Spill Mop Up

Baggrundsmateriale om compositing

For noget baggrundsinformation (på engelsk) er Wikipediaartiklen alpha compositing nyttig. Se også Porter, Thomas; Tom Duff (1984). "Compositing Digital Images". Computer Graphics 18 (3): p253–259 1984 pdf