Mitsubishi Electric Research Laboratories August 2006 Mitsubishi Electric Research Labs (MERL) Cambridge, MA Instant Replay: Instant Replay: Inexpensive High Speed Inexpensive High Speed Motion Capture Motion Capture Hideaki Nii, Jay Summet, Yong Zhao, Jonathan Westhues, Paul H. Dietz, Shree K. Nayar, John Barnwell, Michael Noland, Vlad Branzoi, Erich Bruns, Masahiko Inami, & Ramesh Raskar
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Mitsubishi Electric Research Labs (MERL) Cambridge, MA
Instant Replay: Inexpensive High Speed Motion Capture. Mitsubishi Electric Research Labs (MERL) Cambridge, MA. Hideaki Nii, Jay Summet, Yong Zhao, Jonathan Westhues, Paul H. Dietz, Shree K. Nayar, John Barnwell, Michael Noland, Vlad Branzoi, Erich Bruns, Masahiko Inami, & Ramesh Raskar. - PowerPoint PPT Presentation
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Mitsubishi Electric Research Laboratories August 2006
Mitsubishi Electric Research Labs (MERL)Cambridge, MA
Hideaki Nii, Jay Summet, Yong Zhao, Jonathan Westhues, Paul H. Dietz, Shree K. Nayar, John Barnwell, Michael Noland, Vlad Branzoi, Erich Bruns, Masahiko Inami, & Ramesh Raskar
Mitsubishi Electric Research Laboratories August 2006
Demo VideoDemo Video
Mitsubishi Electric Research Laboratories August 2006
Optical CaptureOptical Capture
• Goal– Find 2D or 3D location of tags
• Approach– Each tag has a photosensor– Label space using zones created by special
high speed projectors– Find zone in which the tag lies
Mitsubishi Electric Research Laboratories August 2006
Key FeaturesKey Features
• 500 Hz Tracking• Id for each Marker Tag• Capture in Natural Environment
– Visually imperceptible tags– Photosensing Tag can be hidden under clothes– Ambient lighting is ok
• Unlimited Number of Tags Allowed• Base station and tags only a few 10’s $
Mitsubishi Electric Research Laboratories August 2006
Potential ApplicationsPotential Applications
• High Speed Motion Capture & Tracking– Motion Capture
• Character Animation• CG alignment
– Industrial applications• Crash Test Dummies• Robot Guidance
– Indoor Positioning for Ubiquitous Computing• Locating users and devices• 3D User Input
Mitsubishi Electric Research Laboratories August 2006
Existing SolutionsExisting Solutions
• Optical: Uses expensive cameras to locate tags in the environment.– Passive tags give location, but no identity,