Pen gestures in online map and photograph annotation tasks

Abstract : The recognition of pen gestures for map-based navigation and annotation is a difficult problem. Especially if users are unconstrained in the gesture repertoires that they can use. This paper reports on a study to develop a taxonomy of pen-gesture shapes in the context of multimodal crisis management applications. A human-factors experiment was conducted for acquiring domain-specific data. A hierarchical categorisation of the data was produced, which confirmed our expectation that three broad classes can be distinguished: deictic gestures, handwritten text and drawn objects. Since users were requested to annotate maps and photographs, most gestures belonged to the deictic category, indicating locations, routes and events. Based on the acquired data, the most suitable geometric features for recognition of the different classes were explored. Results show that the majority of gestures was recognised correctly. We expect that the results from this study can be generalised to other domains that use pen-based “interactive maps”.
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Communication dans un congrès
Guy Lorette. Tenth International Workshop on Frontiers in Handwriting Recognition, Oct 2006, La Baule (France), Suvisoft, 2006
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Soumis le : lundi 9 octobre 2006 - 15:14:37
Dernière modification le : lundi 9 octobre 2006 - 15:45:24
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  • HAL Id : inria-00104843, version 1

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Don J.M. Willems, Louis G. Vuurpijl. Pen gestures in online map and photograph annotation tasks. Guy Lorette. Tenth International Workshop on Frontiers in Handwriting Recognition, Oct 2006, La Baule (France), Suvisoft, 2006. 〈inria-00104843〉

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