Insight lab: an immersive team environment linking paper, displays, and data
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The Cricket location-support system
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
CyberCode: designing augmented reality environments with visual tags
DARE '00 Proceedings of DARE 2000 on Designing augmented reality environments
reacTIVision: a computer-vision framework for table-based tangible interaction
Proceedings of the 1st international conference on Tangible and embedded interaction
Stane: synthesized surfaces for tactile input
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Scratch input: creating large, inexpensive, unpowered and mobile finger input surfaces
Proceedings of the 21st annual ACM symposium on User interface software and technology
Hambone: A Bio-Acoustic Gesture Interface
ISWC '07 Proceedings of the 2007 11th IEEE International Symposium on Wearable Computers
Skinput: appropriating the body as an input surface
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The IR ring: authenticating users' touches on a multi-touch display
UIST '10 Proceedings of the 23nd annual ACM symposium on User interface software and technology
TapSense: enhancing finger interaction on touch surfaces
Proceedings of the 24th annual ACM symposium on User interface software and technology
Augmenting touch interaction through acoustic sensing
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
Touch & activate: adding interactivity to existing objects using active acoustic sensing
Proceedings of the 26th annual ACM symposium on User interface software and technology
Keyboard clawing: input method by clawing key tops
HCI'13 Proceedings of the 15th international conference on Human-Computer Interaction: interaction modalities and techniques - Volume Part IV
MagnetiCode: physical mobile interaction through time-encoded magnetic identification tags
Proceedings of the 8th International Conference on Tangible, Embedded and Embodied Interaction
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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 applications that highlight the utility of our approach, and a user study that explores its feasibility.