Theoretical study of impact localisation limits in tangible acoustic interface applications

Theoretical study of impact localisation limits in tangible acoustic interface applications

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Tangible acoustic interface (TAI), the key concept of which is to convert any touchable objects into natural interactive surfaces, is an innovative and exciting idea in human–computer interaction. A key challenge for its development is to accurately locate the tactile interactions. In this reported work, the Cramér-Rao lower bound is utilised to study the theoretical limits of impact localisation using the hyperbolic positioning approach in TAI applications.


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