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Painting out things


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#1 Terry Hsieh

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Posted 20 December 2006 - 09:29 PM

Hey all,

How does one clip out a part of a video? For example, how would you get rid of wires and things like buildings? Is this is a specific program-related feature or is it something you actually have to do by hand using programming, etc.?

Terry
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#2 Will Earl

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Posted 21 December 2006 - 07:19 AM

There is a few ways to skin-a-cat, or in this case remove-unwanted-objects from your shots.

What technique you use depends entirely on the shot. Some methods are more automated, while others require frame-by-frame care. Most of the time you'll want to use the computer as much as possible to help ease some of that work load by using keyframing and rotoscoping.

I've written a basic rundown on how you remove people from a shot here...

http://www.earlyworm...alpaint_101.htm

Edited by Will Earl, 21 December 2006 - 07:21 AM.

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#3 Tim Shim

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Posted 23 December 2006 - 12:06 PM

Hey all,

How does one clip out a part of a video? For example, how would you get rid of wires and things like buildings? Is this is a specific program-related feature or is it something you actually have to do by hand using programming, etc.?

Terry



Some programs, such as Commotion and Shake, have specialized wire-removal functions which do just that. Other software, such as After Effects, have simple workarounds to achieve the same result. Objects which take up more of the frame space (eg buildings) may be harder to remove as there may be very little 'background' information to work with. If you have used Photoshop before, this process is similar to cloning in and out objects from an image. Only, with motion pictures, the cloned area has to be tracked and matched to the video/film footage frame by frame. Depending on how the footage was shot, this could either be very easy or very difficult.

Hope this helps.

Cheers,
Tim
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Rig Wheels Passport

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Visual Products

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Opal

Abel Cine

Technodolly

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Ritter Battery

FJS International, LLC

Aerial Filmworks

Tai Audio

CineLab