Archive:Kdenlive/Manual/Effects/Alpha manipulation/Blue Screen: Difference between revisions
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=== See also === | === See also === | ||
See also [[Kdenlive/Manual/Effects/Misc/keysplillm0pup|keysplillm0pup]] effect in the Misc group. The keyspillm0pup effect can be used to improve the edges of the blue screen effect - when edge problems are caused by "keyspill". Keyspill is when the colour of the screen used for colourkeying spills onto the subject due to light reflection. | |||
See also [http://www.mltframework.org/bin/view/MLT/FilterFrei0r-select0r Frei0r - select0r] which also does color based alpha selection. This might not come installed on Kdenlive by default. | See also [http://www.mltframework.org/bin/view/MLT/FilterFrei0r-select0r Frei0r - select0r] which also does color based alpha selection. This might not come installed on Kdenlive by default. | ||
see [http://www.kdenlive.org/forum/greenscreen-keying-edge this] thread for some discussion on chroma keying issues in Kdenlive | see [http://www.kdenlive.org/forum/greenscreen-keying-edge this] thread for some discussion on chroma keying issues in Kdenlive | ||
Revision as of 09:36, 23 July 2012
Blue Screen
This effect allows you to do Chroma Keying (Chroma key compositing/Green Screen) on Kdenlive
Tutorial 1
Youtube video on Chroma Keying which uses the Blue Screen effect
{{#ev:youtube|DLHa6Gkv45Q}}
Tutorial 2
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
{{#ev:youtube|_6gxHLCFhLQ}}
Tutorial 3
Tutorial showing how to use the "Blue screen" function and keyframes to animate one image moving over another in the KDEnlive video editor
Also uses
{{#ev:youtube|M8hC5FbIzdE}}
See also
See also keysplillm0pup effect in the Misc group. The keyspillm0pup effect can be used to improve the edges of the blue screen effect - when edge problems are caused by "keyspill". Keyspill is when the colour of the screen used for colourkeying spills onto the subject due to light reflection.
See also Frei0r - select0r which also does color based alpha selection. This might not come installed on Kdenlive by default.
see this thread for some discussion on chroma keying issues in Kdenlive