Image Processing Reference
In-Depth Information
Broad vertical sync pulse
Figure 5-26 Lines and vertical sync.
cameras to synchronize the shutter with a video signal. This is the best way to eliminate
rolling bars on TV screens when filming people surrounded by TV monitors. Figure 5-27
shows what the rolling bars effect looks like.
There are four aspects to the synchronization that must be locked in order for a
source and destination system to operate correctly.
Line sync (horizontal)
Field sync (vertical)
Frame sync
Color sub-carrier sync
Figure 5-27 Rolling bars distortion.
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