Detecting and leveraging finger orientation for interaction with direct-touch surfaces
Multi-touch
DOI:
10.1145/1622176.1622182
Publication Date:
2009-10-06T14:23:22Z
AUTHORS (4)
ABSTRACT
Current interactions on direct-touch interactive surfaces are often modeled based properties of the input channel that common in traditional graphical user interfaces (GUI) such as x-y coordinate information. Leveraging additional information available could potentially result richer and novel interactions. In this paper we specifically explore role finger orientation. This property is typically ignored touch-based partly because ambiguity determining it solely from contact shape. We present a simple algorithm unambiguously detects directed orientation vector real-time only, by considering dynamics landing process. Results an experimental evaluation show our stable accurate. then demonstrate how can be leveraged to enable infer higher-level hand occlusion or position. set orientation-aware interaction techniques widgets for surfaces.
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