Crystal Vision
Using Safire 3
The
Chroma Key Removal
tools in the Edges & Key Remove menu allows key
to be removed from areas where the foreground picture is black, grey or white.
Slightly adjusting the
Greys
control removes the key from the jacket. The
Max
Clip
control will need adjusting to compensate. The following picture shows the
improved Key Output after Chroma Key Removal:
Notice that the floor reflections still remain in the key signal. Increasing key gain
by reducing the
Max Clip
value will certainly remove the keying in the floor area
but at the expense of key quality. Increasing the
Min Clip
value will have the
opposite effect by emphasising low key levels. The following picture shows just
that:
The key on the floor area has been exaggerated. This can be useful when
shadows need to be emphasised, but not in this case. The
Shadow Density
control in the Edges & Key Remove menu changes the density of the key signal
in shadow areas to enhance or reduce shadows:
Safire 3 User Manual R1.3
59
24 March 2017
