Mobile Pointing Task in the Physical World: Balancing Focus and Performance while Disambiguating

William Delamare 1 Céline Coutrix 1 Laurence Nigay 1
1 LIG Laboratoire d'Informatique de Grenoble - IIHM
LIG - Laboratoire d'Informatique de Grenoble, Inria - Institut National de Recherche en Informatique et en Automatique
Abstract : We address the problem of mobile distal selection of physical objects when pointing at them in augmented environments. We focus on the disambiguation step needed when several objects are selected with a rough pointing gesture. A usual disambiguation technique forces the users to switch their focus from the physical world to a list displayed on a handheld device's screen. In this paper, we explore the balance between change of users' focus and performance. We present two novel interaction techniques allowing the users to maintain their focus in the physical world. Both use a cycling mechanism, respectively performed with a wrist rolling gesture for P2Roll or with a finger sliding gesture for P2Slide. A user experiment showed that keeping users' focus in the physical world outperforms techniques that require the users to switch their focus to a digital representation distant from the physical objects, when disambiguating up to 8 objects.
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Communication dans un congrès
Proceedings of the 15th International Conference on Human-Computer Interaction with Mobile Devices and Services (MobileHCI 2013), 2013, Munich, Germany. pp.89-98, 2013, 〈10.1145/2493190.2493232〉
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William Delamare, Céline Coutrix, Laurence Nigay. Mobile Pointing Task in the Physical World: Balancing Focus and Performance while Disambiguating. Proceedings of the 15th International Conference on Human-Computer Interaction with Mobile Devices and Services (MobileHCI 2013), 2013, Munich, Germany. pp.89-98, 2013, 〈10.1145/2493190.2493232〉. 〈hal-00953356〉

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