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Kinect Development

Kinect Development. By: Richard Isely III. Outline. What is the Kinect History How it started Microsoft Project The Components of the Kinect What they are/How they work Development Issues Solution Hacking the Kinect OpenKinect Microsoft SDK Demo. What is the Kinect?.

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Kinect Development

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  1. Kinect Development By: Richard Isely III

  2. Outline • What is the Kinect • History • How it started • Microsoft Project • The Components of the Kinect • What they are/How they work • Development Issues • Solution • Hacking the Kinect • OpenKinect • Microsoft SDK • Demo

  3. What is the Kinect? Image from: http://uncrate.com/p/2010/11/kinect-xl.jpg

  4. History • It all started with the Wii • Moore’s Big Plans • Project loses momentum

  5. Project Natal • Alex Kipman takes over project • PrimeSense Chosen to Create Prototype • Demo for Executives

  6. Components of the Kinect Image From: http://guide-images.ifixit.net/igi/xKZqFJXNYEGTvYbI.medium

  7. Components of the Kinect • Major components • IR Projector • IR Camera • VGA Camera • Microphone Array • Motorized Tilt Image From: http://www.everybodyplays.co.uk/images/screenshots/picsforarticles/kinect.jpg

  8. VGA Camera • Allows the Player to be shown on screen. • Take still shots.

  9. Microphone Array • Four Microphones • Position Detection • Noise Cancelation http://social.microsoft.com/Forums/getfile/18629/

  10. Microphone Array(Development Issue) • Voice Recognition • Background Noise • Various Accents

  11. Microphone Array(Solution) • Background Noise • MSR Team develops Audio processing Solution • Audio Processing Tricks • Various Accents • Acoustical Model built into the Array

  12. Motorized Tilt • Built into the base of the Kinect • 54 Degree tilt range • 27 Degrees up • 27 Degrees down • Records Actual angle of Kinect

  13. IR Projector and Camera(Depth Sensor) • What’s being projected • Time of Flight • How the Kinect does it Image From: http://bbzippo.files.wordpress.com/2010/11/dsc00014s_thumb.jpg?w=700&h=528

  14. IR Projector and Camera (Depth Sensor) Continued • ps1080 Chip • What it produces • Depth Image Image From: http://www.primesense.com/images/technology/Chip_Diagram.gif

  15. Using the Depth Image • Pixel Data • 16-bit number • Depth Data • Given in millimeters • Player Data • Range 0-6

  16. Depth Image(Development Issue) • Initializing Recognition • Losing Player Mid-Game • Body Type Issue

  17. Depth Image(Solution) • Breaking up the data • From 1 Blob to 31 body parts • Body parts to joints • Joints to Skeletal image • Decision Tree

  18. Depth Image(Solution)

  19. Depth Image(Solution)

  20. Hacking the Kinect • Race to create a driver • Bounty set • Cracked in 7 days • OpenKinect • PrimeSense Releases Libraries

  21. Microsoft SDK • First Release (June 17th, 2011) • Skeletal Recognition • Voice Recognition • Beta Version • Latest Release and new Kinect • Near mode • Commercial Development • C++, C#, and VB

  22. Demo

  23. Conclusion • What the future may hold • Possible Application • Cheap form of motion detection • Commercial Availability

  24. Sources • [1] Ashley, James and Jarrett Webb. Beginning Kinect Programming with the Microsoft Kinect SDK. Apress, 2012. [eBook]. • [2] Hall, Jonathan, Sean Kean, and Phoenix Perry. Meet the Kinect: An Introduction to Programming Natural User Interfaces. Apress, 2011. [eBook] • [3] Borenstein, Greg. Making Things See: 3D vision with Kinect, Processing, Arduino, and MakerBot. Make, 2012. [eBook] • [4] “Kinect for Windows.” Microsoft Support. Sat. 10 Mar. 2012. <http://support.xbox.com/en-US/kinect-for-windows/kinect-for-windows-info>

  25. Sources (continued) • [5] “OpenNI.” PrimeSense. Sun. 11 Mar. 2012. <http://75.98.78.94/default.aspx> • [6] “About PrimeSense.” PrimeSense. Sun. 11 Mar. 2012. <http://www.primesense.com/en/company-profile> • [7] “OpenKinect: About.” OpenKinect. Sat. 17 Mar. 2012 <http://openkinect.org/wiki/Main_Page> • [8] “Kinect for Windows Quickstart Series.” Channel9. By: Dan Fernandez. Sat. 17 Mar. 2012 <http://channel9.msdn.com/Series/KinectQuickstart>

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