blurring faces/signs etc in FCP

Posted by clayfilms 
blurring faces/signs etc in FCP
October 30, 2006 02:32PM
hey i'm trying to blur a license plate in a clip as well as some faces in other clips...


-duplicated the clip
-placed duplicate on V2 directly above my original
-added a mask shape (rectangle) filter to my duplicate
-added a gaussian blur to that duplicate clip

the problem is that theres a camera move on the clip so my nice little blurred rectangle is cool for the 1st frame but once the camera moves it's not covering the license plate anymore...


btw--someone told me to just use a garbage matte..but i don't know how to use it in this instance...
Re: blurring faces/signs etc in FCP
October 30, 2006 03:03PM
Man, does this need to be added to the FAQ. I'm surprised we dont have it in there.

Anyway, you've done it right so far. Now the problem is the tedious and boring time it takes to move along with the license plate. You do that with rotoscoping or a keyframe at a time. If you know Motion do your roto in there. If you dont know Motion, start keyframing. Or buy Boris Red or Silhouette Roto or Shake or Motion Tracking from Lyric plugins or Motion Tracker Collection from CHV Electronics or google motion tracking plug-ins for final cut pro. Depends on how how much time you want to spend on the thing. No easy way around this.

Michael Horton
Re: blurring faces/signs etc in FCP
October 30, 2006 03:13PM
ARRGGHH!! thanks!
Re: blurring faces/signs etc in FCP
October 30, 2006 04:12PM
I second that motion tracker recommendation, but if you don't have it available, just use a Marker everytime the scene settles-- these instances are the most critical to blur-- and you can simply keyframe your blur mask shape to each marker location. Even if it zooms, mark major changes. Keyframing will interpolate the motion. It's rough and ready but it works.

- Loren
Today's FCP 4 / 5 keytip:
Do a virtual Audio Mixdown to lighten playback load with Command-Option-R!

The FCP KeyGuide?: your power placemat.
Now available at KeyGuide Central.
Re: blurring faces/signs etc in FCP
October 30, 2006 04:20PM

David at Movies Rock in Toronto
Re: blurring faces/signs etc in FCP
October 31, 2006 12:08AM
After Effects 7 Pro's Motion Tracker w/ Corner Pinning does very nicely...

When life gives you dilemmas...make dilemmanade.

Sorry, only registered users may post in this forum.

Click here to login



Web Hosting by HermosawaveHermosawave Internet

Recycle computers and electronics