ABSTRACT
Users with visual impairments find it difficult to enjoy real-time 2D interactive applications on the touchscreen. Touchscreen applications such as sports games often require simultaneous recognition of and interaction with multiple moving targets through vision. To mitigate this issue, we propose ThroughHand, a novel tactile interaction that enables users with visual impairments to interact with multiple dynamic objects in real time. We designed the ThroughHand interaction to utilize the potential of the human tactile sense that spatially registers both sides of the hand with respect to each other. ThroughHand allows interaction with multiple objects by enabling users to perceive the objects using the palm while providing a touch input space on the back of the same hand. A user study verified that ThroughHand enables users to locate stimuli on the palm with a margin of error of approximately 13 mm and effectively provides a real-time 2D interaction experience for users with visual impairments.
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Index Terms
- ThroughHand: 2D Tactile Interaction to Simultaneously Recognize and Touch Multiple Objects
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