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A comparative study of tactile representation techniques for landmarks on a wearable device
Journal
CHI '11 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Conference
Conference on Human Factors in Computing Systems (CHI)
Publisher(s)
ACM New York
Date Issued
May 2011
Abstract
Wearable tactile navigation displays may provide an alternative or complement to mobile visual navigation displays. Landmark information may provide a useful complement to directional information for navigation, however, there has been no reported use of landmark information in tactile navigation displays. We report a study that compared two tactile display techniques for landmark representation using one or two actuators respectively. The single-actuator technique generated different vibration patterns on a single actuator to represent different landmarks. The dual-actuator technique generated a single vibration pattern using two simultaneous actuators and different pairs of actuators around the body represented different landmarks. We compared the two techniques on four measures: distinguishability, learnability, short term memorability and user preference. Results showed that users performed equally well when either technique was used to represent landmarks alone. However, when landmark representations were presented together with directional signals, performance with the single-actuator technique was significantly reduced while performance with the dual-actuator technique remained unchanged.
Sponsorship
ACM Special Interest Group on Computer-Human Interaction (SIGHCI)
DOI
10.1145/1978942.1979236
Access Rights
public
Rights
This work is protected by copyright. Reproduction or distribution of the work in any format is prohibited without written permission of the copyright owner.
Rights Holder(s)
University of the Thai Chamber of Commerce
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