 Removing black or white from layer/footage, deMult/unMult | ||||||
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Here are two presets knocking out black OR white from a layer based on the luminance to set it as transparent/alpha.
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After Effects 7 Keying Presets (ffx) Views: 34701 Permalink | ||||
The "deMult_black" is a common way to knock out the blacks.
Apply it in order: 1. "Levels" to crush the blacks(optional) 2. "Shift Channels" and set the alpha to luminance 3. "Remove color matting" to get rid of the rest of the blacks on the edges The "deMult_white" uses the same techinque, but incl. a double invert. Apply it in order: 1. "Levels" to crush the whites(optional) 2. "Invert" 3. "Shift Channels" and set the alpha to luminance 4. "Remove color matting" to get rid of the rest of the blacks on the edges 5. "Invert 2" Effects & PluginsLevels, Shift Channels, Remove color matting, Invert(Min. Version: After Effects 7, Category: Keying, Type: Presets (ffx)) 
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posted by mmo on Feb 03, 2009
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Remove Color Matting | |||
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In this podcast tutorial, Creative Cow leader Aharon Rabinowitz adds to the concepts he covered in his tutorial Straight Vs. Premultiplied.
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After Effects 7 Keying Video-/Tutorials Views: 2676 Permalink | |
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posted by MaxX on Jan 31, 2009
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Motionworks Effects A-Z: Alpha Levels | |||
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Have you ever looked in the Adobe After Effects Effects menu and wondered what some effects are used for?
This time: Alpha Levels |
After Effects CS3 Useful things Video-/Tutorials Views: 3538 Permalink | |
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posted by MicGyver on Aug 15, 2009
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Motionworks Effects A-Z: Auto Effects | |||
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Have you ever looked in the Adobe After Effects Effects menu and wondered what some effects are used for?
This time: Auto Color, Auto Contrast and Auto Levels |
After Effects CS3 Useful things Video-/Tutorials Views: 4716 Permalink | |
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posted by MicGyver on Sep 13, 2009
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