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5 When DaVinci Resolve has finished scene detection, move the playhead to some of the shorter
scene cuts, and verify if they’re actual cuts by checking the three viewers above. If the frames
being displayed are “different-same-same,” then it’s a genuine cut.
If the frames being displayed are “same-same-same” (actually three sequential frames), then these
aren’t cuts.
TIP: Fast camera motion such as whip pans, sudden changes in lightness such as camera
flashes, or even film coming up to speed causing the shutter to “flash” can confuse the
analysis, which looks for large changes in the image.
6 If there are numerous low-confidence scene cuts that you’ve verified aren’t cuts, drag the magenta
confidence bar so that the low-confidence scene cuts fall below it to automatically remove them
all from the list.
7 Next, you may want to move down the Cut List, evaluating each scene cut to verify that it’s correct.
Click the first scene cut in the list, check it, then press the keyboard Down Arrow key to select the
next list item down, check it, and repeat until you’ve checked every item in the list. If you need to
move back up the list, you can press the Up Arrow key to select the previous list item. If any item
is not a cut point, click the “Delete” button at the bottom left corner of the Scene Detect window to
eliminate that scene cut.
8 If there are sections in the Scene Detect Graph with dense groups of spikes, these are probably
frames with types of motion that confused the Scene Cut Detector. To delete this unwanted
“noise” in the data, use the In and Out buttons to isolate the data, and then click “Prune” to delete
these unwanted scene cuts.
9 If there’s a gap between any two scene cuts that you’re positive should have another scene cut,
then scrub the playhead or use the transport controls to find the missing cut, and click the “Add”
button at the bottom left corner of the Scene Detect window to add another scene cut.
TIP: Adjacent shots with very similar ranges of color and contrast may sometimes go
undetected by the scene detection algorithm. If you know of scenes in the media you’re
analyzing that are like this, you may want to scrub through them a bit more carefully to
make sure you’re not missing anything. However, if you find you’ve missed a cut later, you
can always use the Split Clip control in the Edit page timeline to add a new edit point.
10 When you’re confident that the Cut List is accurate, split the media file into individual clips in the
Media Pool by clicking “Add Cuts to Media Pool.”
11 When the Conform Settings dialog appears, click OK if you checked your settings in step 2.
12 Close the Scene Detect window.
The individually cut up clips of the media file you analyzed now appear in the Media Pool, and you can
edit the entire sequence of clips into a new Timeline in order, ready for grading.
Chapter 23Using Scene Detection 392
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