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What Happens in Vegas...
...stays in Vegas! This PC-based editing app is a safe bet with these tips.


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Old July 23rd, 2007, 11:04 AM   #1
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Compositing Help

Hi folks,
I've got 2 clips, one which I would like to mask. Any way to bezier mask my footage in Vegas without having to rotoscope a whole bunch of successive (movement) frames? If not, can anyone make a suggestion on how to do so and with what software?

Thanks - David Bird
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Old July 23rd, 2007, 11:11 AM   #2
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Yes, it's in the Event Pan/Crop screen (middle icon at the right end of each clip).
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Old July 23rd, 2007, 11:41 AM   #3
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Emre,
If I do a mask on 1 frame, this won't carry over to successive motion frames. This is not a still image...it's footage of a person moving about. Any way to "automatically" include sucessive frames?
Thanks - David Bird
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Old July 23rd, 2007, 11:51 AM   #4
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Turn on sync cursor and explore keyframes.

Let's say the subject moves from left to right. Drop a keyframe at the beginning of the movement and adjust the mask. Drop a keyframe at the end of the movement and adjust the mask.

Change keyframe type to match the motion type by right clicking on the keyframe.

Add intermediate keyframes as needed.
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Old July 23rd, 2007, 05:16 PM   #5
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you have to post a sample of the source, so we can see what is your problem.
usually i try to create a mask from the original clip using filter (contrast for example or isolate a color).
when pushed to extrem, some filter can lead to a B&W image you can use as a mask.
virtualdub is great for this, but simple filters are found in any editing application.
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