Multitouch navigation in zoomable user interfaces for large diagrams

Marinos, Dionysios; Geiger, Chris; Schwirten, Tobias; Göbel, Sebastian

doi:10.1145/1936652.1936713

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2011

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“…On the other side of the front-side, a range scanner is used. However, the radarTOUCH [3] utilizing an IR laser range scanner, which is simple system and easily to install, causes an occlusion problem for multi-touch functionalities.…”

Section: Introductionmentioning

confidence: 99%

Multi-touch wall display system using multiple laser range scanners

Hirai

Shima

2011

Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces

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In this work we present a multi-touch wall display system that equips easily and considers occlusions problem using multiple range scanners. Our system is implemented on an existing large display embedded in a wall with two laser range scanners. Each scanner detects touches events including positions and/or areas. Some touch positions causes relative occlusions due to a range scanner. We reduce the problem by using multiple scanners. If the touch events from different scanners are the same, these are combined into one touch event. Detected multi-touch events are sent to the network as TUIO events. This system is simple and adaptable to various existing displays including front projection screens, and to various TUIO applications.

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Section: Introductionmentioning

confidence: 99%