From the course: Premiere Pro Guru: Compositing and Masks
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Using garbage mattes - Premiere Pro Tutorial
From the course: Premiere Pro Guru: Compositing and Masks
Using garbage mattes
- A garbage matte is a technique used in keying and compositing to isolate specific parts of an image or video. It involves creating a mask, or matte, around an element that needs to be separated from the background. A garbage matte is essentially a mask that defines the boundaries of an element that you want to isolate. Garbage mattes are particularly useful in situations where the edges of an element are irregular or challenging to define using traditional selection methods. Let's go ahead and open the sequence named 1.5 Using Garbage Mattes. Let's go ahead and do a zoom to fit. Press the backslash key for this. Now let's select the clip and in the Effect controls panel, under Opacity, let's go ahead and click on the pen tool. And now let's create a mask around the kid. Just going to click and drag here and here and here. Straight line here at the bottom. And I know he moves his head, so I'm going to leave it a…
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Alpha channels: How color and transparency work in video3m 34s
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Two types of alpha channels: Straight and premultiplied2m 5s
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Keying and matting, what’s the difference?5m 50s
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Creating and modifying alpha channels6m 4s
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Using garbage mattes4m 7s
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Codecs that support the alpha channel2m 51s
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