HELIOS LED Processing Platform - USER GUIDE 51
To be optimal for human vision, GhostFrame relies on symmetrical timing. If the slices are not temporally balanced, the
audience will see an unpleasant pulsing. To illustrate this, let’s pretend like we have 12 slices available. If the slices are
congured as in example 1 below to have a Chroma key and inverted Chroma key, the unbalanced frame can give the
audience an unpleasant strobing effect. This is due to 10x ‘Video 1’ slices in a row then 1 Chroma + 1 Chroma Inverted. To
correct this, work towards evenly spacing the Chroma keys across the frame (example 2 below). This eliminates the
unpleasant pulsing by giving the human vision even intervals to blend the Chroma frames. Consult your GhostFrame
integration partner for conguring and aligning camera capture for use with appropriate GhostFrame sub-frame slices
Figure 66: GhostFrame conguration (example 1)
Figure 67: GhostFrame conguration (example 2)
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