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Motion Capture
Muhammad Bilal K I – 180707026 Kanad Niyogi - 180707036
Contents
Introduction
History of Motion Capture
Key Frame Animation Vs Motion Capture
Technology
Applications
Advantages
Conclusion
Bibliography
Motion Capture Muhammad Bilal K I 180707026 Kanad Niyogi - - - PowerPoint PPT Presentation
Motion Capture Muhammad Bilal K I 180707026 Kanad Niyogi - - - PowerPoint PPT Presentation
Motion Capture Muhammad Bilal K I 180707026 Kanad Niyogi - 180707036 Contents Introduction History of Motion Capture Key Frame Animation Vs Motion Capture Technology Applications Advantages Conclusion
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Introduction
Popularly known as “Mocap” 3D representation of a live performance Performers actions are digitally recorded by
cameras which track points on the performer’s body such as hands, head , legs and feet.
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HISTORY OF MOTION CAPTURE
Rotoscoping is an animation technique
in which animators trace cartoon characters over photographed frames
- f live performance
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Facial works primarily depend on key
frame animation. Body movements and for quicker actions, one largely use mocap.
The amount of work does not vary with
the complexity of the sequence.
Using mocap, a single actor can play
multiple in the same film.
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TECHNOLOGY BEHIND MOTION CAPTURE
Mechanical Motion Capture Optical Motion Capture Magnetic Motion Capture
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MECHANICAL MOTION CAPTURE
Technique achieved through
the use of an exoskeleton.
Each joint is connected to an
angular encoder.
The “skeleton data”
recorded can be “skinned” to look like any character.
Offers high precision and not
being influenced by external factors
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OPTICAL MOTION CAPTURE
Optical shooting with several synchronised
cameras.
The cameras emit radiation reflected by the
markers and then returned to the same cameras
The markers will be viewed as white spots and
the position in virtual space can be determined.
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MAGNETIC MOTION CAPTURE
Utilize sensors placed on the body to measure the
low-frequency magnetic field generated by a transmitter source
The sensors reports position and rotational
information.
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APPLICATIONS
Entertainments Medicine Sports
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ENTERTAINMENTS
Motion capture represents the future of digital
content creation.
Film, television and interactive media all use
motion capture in a growing number of its productions.
In the name industry, manufacturers are using
motion capture sytems.
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MEDICINE
Gait analysis is the major application of motion capture in
clinical medicine
Motion capture allows clinical to evaluate human motion,
without burdening patients with body suites or tracking devices.
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SPORTS
Motion capture is ideal for a wide range of sports
applications in research, rehabilitation, physical education and practice.
Developing Digital sports Games Also allows to learn more about injury
mechanisms and prevention.
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ADVANTAGES
More rapid, sometimes even real time results can be
- btained
Complex movement and realistic physical interactions can
be recreated in a physically accurate manner.
Costumes, make-ups, body size and age can be changed to
whatever is needed.
The Versatility and flexibility of the mocap system makes
it suitable for many applications within psychology
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CONCLUSION
The purpose of these technologies is to allow us to create
characters and effects that we could not do before, and do it more realistically and efficiently than ever before
They allow us to create and interact with virtual worlds
and blend the lines between reality and fantasy
Motion capture tools are becoming more flexible and more
powerful these days.
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BIBLIOGRAPHY
http://web.mit.edu
http://www.siggraph.org
http://www.metamotion.com
http://www.postmagazine.com
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