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Learn how to use the Ultra Key effect—a type of comment utiliser adobe premiere pro cs3 free key effect—to make selected areas of a clip transparent based on pixel colors. This sample file is audition cc latency free Adobe Stock asset you can use to practice what you learn in this tutorial. If you want to use the sample file beyond this tutorial, you can purchase a license on Adobe Stock. Check out the ReadMe читать полностью in the mixmeister fusion 7.6 free for the terms that apply to your use of this sample file.
What you learned: Select pixels of основываясь на этих данных particular color range to define areas of an image that will be transparent or opaque. Subjects are often filmed in front of a green screen to make it easier to select the background color and make it transparent. Use the Ultra Key effect to make a green screen background transparent. The Ultra Key effect can be used to set any color in an image to become transparent and offers additional controls to refine the result.
Matte Cleanup controls help reduce the size or soften the edges of transparent areas:. Spill Suppression controls help to clean up green screen keys around light colors, such as blonde hair:. Color Correction controls help smooth the color range selected for the key:. This measures a 5 x 5 pixel average of the selected color and usually provides better keying results. Back to: Compositing Up next: Clip masks. Presenter: Christine Steele. Buy now. What you'll need.
Get files. What you learned: Select pixels of a particular color range to define areas of an image that will be transparent or opaque Replacing a green screen Subjects acrobat xi pro or dc free often filmed in front of a green screen to make it easier to select the background color and make it transparent. Edit a green screen clip onto V2 in the Timeline, above a clip on V1. From the Effects panel, in the Keying category, drag the Ultra Key effect onto the green screen clip on V2.
With the green screen clip still selected in the Timeline, and the playhead over it, open the Effect Controls panel to adjust the Ultra Key effect settings. Click the Key Color eyedropper, and then select the green color in the image displayed in comment utiliser adobe premiere pro cs3 free Program Monitor.
Right away, you see the image from V1 where the green had been. If your composite image still has a green cast, in the Effect Controls panel switch the Ultra Key Setting menu to Aggressive, expanding /66685.txt selected color range to eliminate more green pixels.
Refining the key The Ultra Key effect can be used to set any color in an image to become transparent and offers additional controls to refine the result. Use the Setting menu to expand or contract the selected color range for transparency: Aggressive: Expands the pixel color range for added transparency.
Relaxed: Contracts the pixel color range for reduced transparency. Custom: Manually adjust transparency controls. Additional transparency controls Matte Generation controls help refine transparent areas: Transparency: Adjusts transparency of the source image when keyed over a background.
Highlight: Adjusts opacity of the light areas in the source image. Shadow: Adjusts opacity of the dark areas of the source image. Tolerance: Adjusts the range of colors selected. Pedestal: Filters out noise from источник статьи alpha channel and can improve the comment utiliser adobe premiere pro cs3 free when working with low light footage. Matte Cleanup controls help reduce the size or soften the edges of transparent areas: Choke: Shrinks the size of the alpha channel matte.
Comment utiliser adobe premiere pro cs3 free Blurs the edge of the alpha channel matte. Spill Suppression controls help to clean up green screen keys around light colors, such as blonde hair: Desaturate: Removes color from pixels already almost fully transparent. Range: Controls the amount of spilled color that is corrected. Color Correction controls help smooth the color range selected for the key: Saturation: Controls the comment utiliser adobe premiere pro cs3 free of the foreground source.
Hue: Controls the hue. Luminance: Controls the luminance of the foreground source. Sign in to your account. Sign in. Quick links View all your plans Manage your plans. View all Premiere Pro tutorials.
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