CS262: Computer Vision (and Human-Computer Interaction) John Magee 1
Computer Vision How are Computer Graphics and Computer Vision Related? Computer graphics in general Description of scene Visual representation (Image) Computer Vision in general: Image(s) Some description of the scene Example - Input: Image Output: Face locations Fujifilm camera demo 2
Computer Vision Many Subfields 3
Human-Computer Interaction We’re all used to mouse and keyboard… But you could use a camera to track motion… Camera Mouse http://www.cameramouse.org/ (Free Download) A user with severe paralysis using the Camera Mouse Articles and Videos: http://www.bu.edu/today/2009/the-seeing-eye-mouse/ http://www.bu.edu/today/2011/big-meaning-in-the- smallest-movements/ 4
Google Similar Images http://www.youtube.com/watch?v= 6fD2t4d2Ln4 http://similar-images.googlelabs.com/ 5
Bat Tracking http://www.cs.bu.edu/faculty/betke/research/bats/ 6
Computer Vision in Games Playstation Eye – http://en.wikipedia.org/wiki/PlayStation_Eye – http://www.youtube.com/watch?v= bgLN7uOj8Jg Xbox Kinect – http://www.youtube.com/watch?v= oACt9R9z37U – http://www.youtube.com/watch?v= GH_gDreIdcM&feature= related 7
Computer Vision Successes Machine Vision Inspection, e.g. Omron or Cognex, (Natick, MA) Optical Character Recognition Assembly line robots: ABB or RobotWorx ViiSAGE Face Recognition Picture Archiving and Communication Systems (PACS) for Hospitals: Merge Healthcare Inc (bought Boston-based Amicas in 2010) and their PACS system. Microscopy, e.g., for embryology or human semen analysis, Proiser Intelligent vehicles: MobileEye Lane Departure, http://www.gavrila.net/ Search by Image: Google, Boston University's Image Rover Search by Video Google Assistive Technologies: Camera Mouse 8
Entertainment & Gaming: Controlling a humanoid robot with Microsoft Kinect: http://www.youtube.com/watch?v= w8BmgtMKFbY 9
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