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Delphine Szymczak


Publications by Delphine Szymczak (bibliography)

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Szymczak, Delphine, Rassmus-Grohn, Kirsten, Magnusson, Charlotte and Hedvall, Per-Olof (2012): A real-world study of an audio-tactile tourist guide. In: Proceedings of the 14th Conference on Human-computer interaction with mobile devices and services 2012. pp. 335-344. Available online

This paper reports on the in-context evaluation of an audio-tactile interactive tourist guide -- one test was done in a medieval city center, and the other was done at an archaeological site. The activity theory framework was used as a perspective to guide design, field-study and analysis. The evaluation shows that the guide allows users to experience an augmented reality, while keeping the environment in focus (in contrast with the common key-hole like experience that on-screen augmented reality generates). The evaluation also confirms the usefulness of extending the vibrational feedback to convey also distance information as well as directional information.

© All rights reserved Szymczak et al. and/or ACM Press

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Magnusson, Charlotte, Molina, Miguel, Rassmus-Grohn, Kirsten and Szymczak, Delphine (2010): Pointing for non-visual orientation and navigation. In: Proceedings of the Sixth Nordic Conference on Human-Computer Interaction 2010. pp. 735-738. Available online

People who have visual impairments may have difficulties navigating freely and without personal assistance, and some are even afraid to go out alone. Current navigation devices with non-visual feedback are quite expensive, few, and are in general focused on routing and target finding. We have developed a test prototype application running on the Android platform in which a user may scan for map information using the mobile phone as a pointing device to orient herself and to choose targets for navigation and be guided to them. It has previously been shown in proof of concept studies that scanning and pointing to get information about different locations, or to use it to be guided to a point, can be useful. In the present study we describe the design of PointNav, a prototype navigational application, and report initial results from a recent test with visually impaired and sighted users.

© All rights reserved Magnusson et al. and/or their publisher

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Magnusson, Charlotte, Rassmus-Grohn, Kirsten and Szymczak, Delphine (2010): Scanning angles for directional pointing. In: Proceedings of 12th Conference on Human-computer interaction with mobile devices and services 2010. pp. 399-400. Available online

The present study was performed in order to get a better understanding of the influence of the scanning angle interval on navigation performance, gestures and strategies in a more realistic outdoor setting. Results indicate that users are able to handle a wide range of angle intervals. We observe different gestures and strategies and provide recommendations for suitable angle intervals. Our observations also support the notion that using this type of pointing gesture for navigation is intuitive and easy to use.

© All rights reserved Magnusson et al. and/or their publisher

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