Watch AirCode: Unobtrusive Physical Tags for Digital Fabrication (UIST 2017) video on DTube
by Dingzeyu Li, Avinash S. Nair, Shree K. Nayar , Changxi Zheng
ACM Symposium on User Interface Software and Technology (UIST 2017)
http://www.cs.columbia.edu/cg/aircode/
Abstract:
We present AirCode, a technique that allows the user to tag physically fabricated objects with given information. An AirCode tag consists of a group of carefully designed air pockets placed beneath the object surface. These air pockets are easily produced during the fabrication process of the object, without any additional material or postprocessing. Meanwhile, the air pockets affect only the scattering light transport under the surface, and thus are hard to notice to our naked eyes. But, by using a computational imaging method, the tags become detectable. We present a tool that automates the design of air pockets for the user to encode information. AirCode system also allows the user to retrieve the information from captured images via a robust decoding algorithm. We demonstrate our tagging technique with applications for metadata embedding, robotic grasping, as well as conveying object affordances.
http://dingzeyu.li/
https://www.linkedin.com/in/avinash-s-nair/
http://www.cs.columbia.edu/~nayar/
http://www.cs.columbia.edu/~cxz/
Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in:
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I venture to guess that this tech will eventually be used to track and trace all physical assets through the implementation of some blockchain.
Not sure I like that idea... But as a skeptical optimist, I'm sure there are other use cases for this technology
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