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TUTORIAL: Grading & Effects: Disguising faces

Posted: Thu, 8th Jul 2004, 4:01pm

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Simon K Jones

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FXhome Team Member

Rating: +2

Chromanator Tutorials: Grading & Effects

Disguising faces

In documentary work it is often important to disguise the faces of people in the shot, for legal reasons. This is easy to accomplish using Chromanator.

First place two identical copies of the clip in question onto the timeline, one above the other.

Now select the top clip and switch to the Object View and choose the Key -> Garbage Matte toolset.

Draw a mask shape around the object in question (in this case, the actor's face) and close it by dragging the last point onto the first.

Lock the mask by switching to the Animate mode.

  • Adding a small feather can make the blur look less harsh.
  • Switch the Invert Matte On, so that everything is excluded except the face.

Animate the mask as required so that it tracks the subject. Unless the object is moving very fast, you should not need to place too many keyframes.

Now change to the Effects toolset and choose the Box Blur RGBA tool.

  • Apply the required amount of blur.
  • Blurring it too much can result in the face underneath becoming clear again!

Click here to watch an example clip.

Posted: Thu, 8th Jul 2004, 5:40pm

Post 2 of 5

CoolKabe

Force: 1559 | Joined: 26th Nov 2001 | Posts: 413

Windows User

Gold Member

That's pretty cool Tarn, keep up the great work! biggrin

-Adam twisted

PS: There is a lot more to Chromanator's functions than meets the eye, I see... Awesome. cool
Posted: Thu, 8th Jul 2004, 5:45pm

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Simon K Jones

Force: 27955 | Joined: 1st Jan 2002 | Posts: 11683

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FXhome Team Member

Indeed. Something that really excites me about the new programs is how you can be truly creative with them. Chromanator is very flexible...I'm still discovering cool things you can do with it, despite having been directly involved in its creation!
Posted: Thu, 8th Jul 2004, 5:47pm

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CoolKabe

Force: 1559 | Joined: 26th Nov 2001 | Posts: 413

Windows User

Gold Member

ALmost all of your tutorials have been really eye-opening, you know? I had wondered if you could create virtual shadows, and BAM! theirs a new tutorial on the very thing. Field of depth? Oh yeah. This is one high-quality program!

-Trying to come-up with new ideas to use Chromy,
Adam twisted
Posted: Fri, 23rd Jul 2004, 7:08am

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Redhawksrymmer

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SuperUser

Chromanator is unvalueable.