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Explore a groundbreaking passive tagging mechanism presented in this conference talk from the ACM User Interface Software and Technology Symposium. Dive into the concept of Motion Codes, which utilizes the kinesthetic motion of a user's hand to scan and receive encoded information from visual patterns displayed on physical surfaces. Learn about two innovative motion code schemes, Asterisk and Obelisk, which rely on directional vector data processed from an inertial motion sensing (IMU) ring worn on the finger. Examine the evaluation of both schemes, including the effects of orientation, size, and data density on their accuracies. Gain insights into the in-depth analysis of motion deviations in ring data compared to ground truth finger movement data. Discover how Asterisk achieves a remarkable 95% accuracy for an information capacity of 16.8 million possible sequences, potentially revolutionizing machine-readable passive tagging for physical objects.
