
198 Image Processing for Cinema
CRT displays, so it has been adequate for many years, but newer display
technologies that use more than three primaries or where the primaries are
more saturated are capable of achieving a gamut that is wider than EBU’s
[238], e.g. see Figure 10.3. In this case, the gamut mapping operation required
is not compression but extension.
FIGURE 10.3: Television gamut (in color, inside) and the gamut of a state-
of-the-art TV display (outside, wireframe) [238].
Another example would be in digital cinema projection: state-of-the-art
digital projectors have a very wide gamut, but often the cinema signal inputs
they receive hav