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How to: stop motion and rotate around a moving subject.

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Jordan WilsonHow to: stop motion and rotate around a moving subject.
by on Apr 1, 2011 at 5:09:47 pm

I'm trying to figure out how to do this effect. It's kind of hard to explain, but I'll do my best to try.

In a video, when the action "freezes" but the camera still moves to another angle, then the action resumes. I'm guessing it's some 3D keying/mapping technique. However, I'm not sure what the technique is called and what program can accomplish this.

Here's an example: Swamp People season two trailer, found here: http://www.history.com/shows/swamp-people/videos/season-2-trailer#season-2-...

Also, the World of Jenks intro is kind of similar:





Can you accomplish this in After Effects? Any help/advice would be greatly appreciated!

Thanks.


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Chris ButtacoliRe: How to: stop motion and rotate around a moving subject.
by on Apr 1, 2011 at 5:16:04 pm

It is actually an array of 30 or more cameras in a long circular row where the stills from each camera have a different perspective. When combined in a sequence you get this "Matrix" effect.


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Jordan WilsonRe: How to: stop motion and rotate around a moving subject.
by on Apr 1, 2011 at 5:25:57 pm

Is there a way you can use 2-3 cameras and get a similar (but obviously not as real-looking) effect?

So could AE (or Motion or any other program) simulate movements between the cameras?


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Ashish VargheseRe: How to: stop motion and rotate around a moving subject.
by on Apr 1, 2011 at 5:30:33 pm

Here you go.

http://www.petapixel.com/2010/10/02/52-canon-5d-mark-ii-cameras-used-for-ma...


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Jon BaggeRe: How to: stop motion and rotate around a moving subject.
by on Apr 1, 2011 at 9:26:47 pm

CSI did a pretty nice opening sequence for season 10 which was done with a completely different method, and I think look better than most 'bullet time' done with multiple still cameras:







This is an actual tracking shot done with a real steady camera though a real location with all the actors just standing still. Quite a few elements are added digitally to 'sell' the effect. Because the camera is moving all the time, it's nearly impossible to tell that the actors aren't actually frozen. Some of the actors are hanging on rigs to make them appear to be frozen mid air. (the coroner for example)

But if you haven't got an above average size studio, a couple of dusin actors, an art department, special effects crew, a steadycam rig with operator and a million dollars for post production, you can check out Andrew Kramers take on the same effect:
http://www.videocopilot.net/tutorials/advanced_time_freeze/

Some day we'll have to stop recommending Andrew Kramer for every conceivable effect, but he is kind of good at this stuff.

Once you've understood the basic methods of achieving this effect you might be able to come up with your own version that does what you need.

But as usual with good looking effects, there is no magic button to achieve this with.

--------------
http://www.jonbagge.net
Jon Bagge - Editor - London, UK
Avid - FCP - After Effects


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