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| Content Provider | ACM Digital Library |
|---|---|
| Author | Huang, Jason Mann, Steve Janzen, Ryan |
| Abstract | We propose a water-based multitouch multimedia user-interface based on total-internal reflection as viewed by an underwater camera. The underwater camera is arranged so that nothing above the water surface is visible until a user touches the water, at which time anything that penetrates the water's surface becomes clearly visible. Our contribution is twofold: (1) computer vision using underwater cameras aided by total internal reflection; (2) hyperacoustic signal processing (frequency shifting) to capture the natural, acoustically-originating sounds of water rather than using synthetic sounds. Using water itself as a touch screen creates a fun and playful user interface medium that captures the fluidity of the water's ebb and flow. In one application, a musical instrument is created in which acoustic disturbances in the water (received by underwater microphones or hydrophones) are frequency-shifted to musical notes corresponding to the location in which the water is touched, as determined by the underwater computer vision system. |
| Starting Page | 925 |
| Ending Page | 928 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781450306164 |
| DOI | 10.1145/2072298.2071904 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2011-11-28 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Human computer interaction Hydraulophone Organic user interface Waterplay Total internal reflection Tangible user interface Musical instrument Touch screen |
| Content Type | Text |
| Resource Type | Article |
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