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Acoustic Barcodes: Passive, Durable and Inexpensive Notched Identification Tags (UIST 2012)

October 15, 2012

Acoustic Barcodes: Passive, Durable and Inexpensive Notched Identification Tags (UIST 2012) http://chrisharrison.net/index.php/Research/AcousticBarcodes We present acoustic barcodes, structured patterns of physical notches that, when swiped with e.g., a fingernail, produce a complex sound that can be resolved to a binary ID. A single, inexpensive contact microphone attached to a surface or object is used to capture the waveform. We present our method for decoding sounds into IDs, which handles variations in swipe velocity and other factors. Acoustic barcodes could be used for information retrieval or to triggering interactive functions. They are passive, durable and inexpensive to produce. Further, they can be applied to a wide range of materials and objects, including plastic, wood, glass and stone. We conclude with several example applica-tions that highlight the utility of our approach, and a user study that explores its feasibility. Harrison, C., Xiao, R., and Hudson, S.E. Acoustic Barcodes: Passive, Durable and Inexpensive Notched Identification Tags. In Proceedings of the 25th Annual ACM Symposium on User interface Software and Technology (Cambridge, Massachusetts, October 7 – 10, 2012). UIST '12. ACM, New York, NY. From: Chris Harrison Views: 34145 179 ratings Time: 02:00 More in Science & Technology

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POrtal: Terminal Velocity

June 12, 2012

POrtal: Terminal Velocity Better quality version on Vimeo.com, https://vimeo.com/43800150 My interpretation of what a real POrtal gun would be like if one existed. Based on the video game, POrtal. I tried to match the game as close as possible. This was the most challenging project I have ever undertaken, consisting of 3D tracking, seamless camera cuts and 3D camera projection. This started out as an experiment since I didn't think I could even pull it off, if I knew it would've turned out as good as it did I would've put more of a story behind it. O well, it makes up for in Visual Effects, ENJOY! From: __VzaCeXDJmk__ Views: 5722 2121 ratings Time: 03:36 More in Film & Animation

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Godspeed, John Glenn

February 21, 2012

Godspeed, John Glenn NASA – Biography of John H. Glenn “On February 20, 1962, Glenn piloted the Mercury-Atlas 6 “Friendship 7″ spacecraft on the first manned orbital mission of the United States. Launched from Cape Canaveral (Florida) Launch Complex 14, he completed a successful three-orbit mission around the earth, reaching a maximum altitude (apogee) of approximately 162 statute miles and an orbital velocity of approximately 17,500 miles per hour. Glenn's “Friendship 7″ Mercury spacecraft landed approximately 800 miles southeast of Cape Canaveral in the vicinity of Grand Turk Island. Mission duration from launch to impact was 4 hours, 55 minutes, and 23 seconds.” http://www.nasa.gov/centers/glenn/about/bios/glennbio.html From: momo2007x Views: 58322 68 ratings Time: 01:13 More in Science & Technology

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