Archive:Kdenlive/Manual/Effects/Alpha manipulation/Color Selection

Color Selection

This is the FilterFrei0r-select0r filter
Color based alpha selection

Selection Subspace options are: RGB, ABI and HCI

Subspace Shape options are: Box, Ellipsoid, Diamond

Edge Mode Options are: Hard, Fat, Normal, Skinny, Slope

Operation options are: Write On Clear, Max, Min, Add and Subtract. This defines how to deal with an existing alpha channel in the clip. See Alpha Shapes for the meanings of these operations.

See Also

See also Blue Screen which does color based alpha selection but is a bit simpiler.