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Enhancing haptic continuity in virtual reality using a continuity reinforcement skeleton
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Enhancing haptic continuity in virtual reality using a continuity reinforcement skeleton
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Journal Article
Enhancing haptic continuity in virtual reality using a continuity reinforcement skeleton
2025
Overview
Haptic displays are crucial for facilitating an immersive experience within virtual reality. However, when displaying continuous movements of contact, such as stroking and exploration, pixel-based haptic devices suffer from losing haptic information between pixels, leading to discontinuity. The trade-off between the travel distance of haptic elements and their pixel size in thin wearable devices hinders solutions that solely rely on increasing pixel density. Here we introduce a continuity reinforcement skeleton, which employs physically driven interpolation to enhance haptic information. This design enables the off-plane displacement to move conformally and display haptic information between pixel gaps. Efforts are made to quantify haptic display quality using geometric, mechanical, and psychological criteria. The development and integration of one-dimensional, two-dimensional, and curved haptic devices with virtual reality systems highlight the impact of the continuity reinforcement skeleton on haptic display, showcasing its potential for improving haptic experience.
Discontinuity in haptic displays, caused by the loss of haptic information between pixels, compromises the user experience in thin wearable devices. Here, the authors employ beams to interpolate haptic information across pixel gaps, enhancing display continuity, especially for moving objects.
