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If the playhead in the Scene Detect Graph is directly on top of an edit point, the leftmost viewer should
show a completely different frame than the center and rightmost viewers, which should be very similar
to one another. This can be seen in the following example.
The Scene Detect viewers show the last frame of the outgoing clip, and the first two frames of the incoming clip
If all three viewers appear to display a continuous series of frames, then you’re not looking at a
cut point.
No scene cut here as all images are almost the same
Underneath the viewers are a series of controls.
The Scene Detect viewer transport controls
– Transport controls: A set of seven transport controls include first frame, step back, play reverse,
stop, play forward, step forward, and last frame.
The In, Out, Prune, and Show Cut List controls
– In: Lets you set a red In point, with which to define a range of the Scene Detection Graph to prune.
– Out: Lets you set a cyan Out point, with which to define a range of the Scene Detection
Graph to prune.
– Prune: If you’ve identified a large number of false positive scene cuts (for example, a cluster of
cuts corresponding to a dissolve from one shot to another), use the In and Out buttons to surround
the undesirable range of scene cuts in the Scene Detect Graph, and then click Prune Scene
Cuts to eliminate all scene cuts between these points that are within one frame of another scene
cut. Within the group of identified cuts, the highest probability cut will remain while the other
cuts are deleted.
Chapter 23Using Scene Detection 388
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