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- W4387612070 abstract "We present OptiRing, a ring-based wearable device that enables subtle single-handed micro-interactions using low-resolution camera-based sensing. We demonstrate that our approach can work with ultra-low image resolutions (e.g., 5 × 5 pixels), which is instrumental in addressing privacy concerns and reducing computational needs. Using a miniature camera, OptiRing supports thumb-to-index finger gestures, such as stateful pinch and left/right swipes, as well as continuous 1-DOF input. We present a modeling approach that uses heuristic-based methods to identify interactions and machine learning for input gating, generalizing recognition across users and sessions. We assess this technique’s capabilities, accuracy, and limitations through a user study with 15 participants. OptiRing achieved 93.1% accuracy in gesture recognition, 99.8% accuracy for stateful pinch gestures, and a minimal number of false positives. Further, we validate OptiRing’s ability to handle continuous 1D input in a Fitts’ law study. We discuss these findings, the tradeoff between resolution and interaction accuracy, and the potential of this technology, which can help address challenges associated with optical sensing for input." @default.
- W4387612070 created "2023-10-14" @default.
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- W4387612070 date "2023-10-13" @default.
- W4387612070 modified "2023-10-15" @default.
- W4387612070 title "OptiRing: Low-Resolution Optical Sensing for Subtle Thumb-to-Index Micro-Interactions" @default.
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- W4387612070 doi "https://doi.org/10.1145/3607822.3614538" @default.
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