|Four Camera Setup Placement
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|Author:||pmetcalfe [ Mon Aug 09, 2010 9:49 am ]|
|Post subject:||Four Camera Setup Placement|
I was just looking at your recent slideshow http://www.slideshare.net/iPiSoft/scene-setup-guide and it shows that 4 camera's should be setup all within the front 170 degree of the actor. I was expecting you would place the fourth camera behind the actor for complete 360 degree coverage. I'm having issues with moves that involve the actor turning 180 degrees and was hoping that the fourth camera I've ordered would solve the problem. I'm using all PlayStation Eye camera's recording at 640x480 (30fps).
|Author:||Greenlaw [ Mon Aug 09, 2010 11:09 am ]|
|Post subject:||Re: Four Camera Setup Placement|
You should be able to capture full 360 degrees with the 170 - 180 degree setup. The key is making sure the performer's body and the background is very clear to the tracker (i.e, no heavy shadows or confusing colors.) Also, the direction of the motion should be clear especially since you're shooting at 30fps; for example, extreme motion blur will muddy things up for the tracker. If you need to do fast motion, make sure you have plenty of light, or try to do your performance slower than normal and speed up the animation later in your motion editing or 3D animation program.
If you still have issues, you can do some limited motion corrections in iPi DMC, but you can also do corrections using motion capture editing programs like Animeeple (using the Edit Block) and Motion Builder. (Not to mention, most 3D programs. The exact methods depends on what's available in the program of you choice.)
Hope this helps.
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