Where Digital Worlds Meet the Real World: From Chroma Key to Motion Capture
1. Do you believe whatever you see in the movies? Here's how to portray the D-Day landings with 3 people and a green scree...
(and what's so special about GREEN anyway...?)
Motion Capture  (or mo cap) is the process of capturing human or animal movements in such a way that they can be used to a...
...and it's not just for capturing human movements...
So how does motion capture work for games?
Having to use markers to capture the movements adds a significant overhead to the process of motion capture, (it can be a ...
Why? Because markerless motion capture can be used to capture tiny facial movements, as well as full body movements
Chromakeymocapvideos
Chromakeymocapvideos
Chromakeymocapvideos
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Chromakeymocapvideos

  1. 1. Where Digital Worlds Meet the Real World: From Chroma Key to Motion Capture
  2. 2. 1. Do you believe whatever you see in the movies? Here's how to portray the D-Day landings with 3 people and a green screen...
  3. 3. So how did that work? Green screen/chroma key techniques allow part of the image to be masked out and then replaced with a different image playing within that mask
  4. 4. (and what's so special about GREEN anyway...?)
  5. 5. Motion Capture (or mo cap) is the process of capturing human or animal movements in such a way that they can be used to animate “digital actors”
  6. 6. By placing markers on and close to skeletal joints, it is possible to capture which bits of the skeleton move – and how – whenever a particular action is performed
  7. 7. ...and it's not just for capturing human movements...
  8. 8. So how does motion capture work for games?
  9. 9. Having to use markers to capture the movements adds a significant overhead to the process of motion capture, (it can be a fiddly job locating the markers).
  10. 10. Using markers also limits what data is actually captured... ...so ideally, we'd like a markerless system
  11. 11. Why? Because markerless motion capture can be used to capture tiny facial movements, as well as full body movements
  12. 12. http://digitalworlds.wordpress.com

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