cse91cameraman

cse91cameraman - CSE 91 The Automatic Cameraman Evan...

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CSE 91: The Automatic Cameraman Evan Ettinger University of California at San Diego October 13, 2009 Evan Ettinger (UCSD) AI Seminar October 13, 2009 1 / 40
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Outline 1 What is the automatic cameraman 2 What is Machine Learning? 3 TAC Technologies 4 What about ML at UCSD? Evan Ettinger (UCSD) AI Seminar October 13, 2009 2 / 40
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Outline 1 What is the automatic cameraman 2 What is Machine Learning? 3 TAC Technologies 4 What about ML at UCSD? Evan Ettinger (UCSD) AI Seminar October 13, 2009 3 / 40
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About The Automatic Cameraman (TAC) Hardware What? A touchless interactive display How? We are able to create an interactive experience by analyzing the audio and video streams. Evan Ettinger (UCSD) AI Seminar October 13, 2009 4 / 40
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Automatic Video Recording Step #1 : Roughly point camera at a sound source if present. Evan Ettinger (UCSD) AI Seminar October 13, 2009 5 / 40
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Automatic Video Recording Step #2: Use a face detector to center the face in the field of view Evan Ettinger (UCSD) AI Seminar October 13, 2009 6 / 40
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Automatic Video Recording Step #3: Display an onscreen button for the user to “press” to start a recording (and then a stop button afterwards). Evan Ettinger (UCSD) AI Seminar October 13, 2009 7 / 40
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Webpage for Recordings Webpage shows the movies that have been recorded. Greeting cards to your family and friends! Lots of new data! Evan Ettinger (UCSD) AI Seminar October 13, 2009 8 / 40
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Homework & Classplan 1 I will introduce you to the automatic cameraman (TAC) and a bit about machine learning. 2 Halfway through we will take groups up to the 4th floor to see the system in action. 3 During the second half of the class we will talk about the technology behind TAC 4 Your homework this week is based on interacting with TAC and thinking about how it could be used. Evan Ettinger (UCSD) AI Seminar October 13, 2009 9 / 40
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TAC technologies Audio localization - able to deterimine the location of sounds. Face detection & tracking - can find a face in an image (video stream). Skin detection - can find where skin regions are in an image. Face recognition - whose face is it? (coming soon...) Audio keyword spotting - recognize a limited audio vocabulary: good, bad, yes, no, left, right, up, down, etc. (coming soon...) Evan Ettinger (UCSD) AI Seminar October 13, 2009 10 / 40
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Ok...that’s cool. But what can this be used for? Game Playing Video Conferencing Information Kiosks Evan Ettinger (UCSD) AI Seminar October 13, 2009 11 / 40
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World Problem: Assisted Living Grandma not ready for assisted living, but needs a safety net. Put TAC (or something like it) in her home to monitor and ensure her safety! A central place to contact help/family hands free Additional microphones placed throughout the home can track people and alert when something appears to be wrong. A person can call for help anywhere in the home and the system will call 911 or OnStar like central help service.
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