Title: | Low cost finger tracking for a virtual blackboard |
Authors: | Rustico, Eugenio |
Citation: | WSCG '2009: Full Papers Proceedings: The 17th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision in co-operation with EUROGRAPHICS: University of West Bohemia Plzen, Czech Republic, February 2 - 5, 2009, p. 81-88. |
Issue Date: | 2009 |
Publisher: | Václav Skala - UNION Agency |
Document type: | konferenční příspěvek conferenceObject |
URI: | http://wscg.zcu.cz/WSCG2009/Papers_2009/!_WSCG2009_Full_final.zip http://hdl.handle.net/11025/10892 |
ISBN: | 978-80-86943-93-0 |
Keywords: | sledování prstů;virtuální dotykový displej;interakce člověk-počítač |
Keywords in different language: | finger tracking;virtual touchscreen;human computer interaction |
Abstract: | This paper presents a complete and inexpensive system to track the movements of a physical pointer on a flat surface. Any opaque object can be used as a pointer (fingers, pens, etc.) and it is possible to discriminate whether the surface is being touched or just pointed at. The system relies on two entry-level webcams and it uses a fast scanline-based algorithm. An automatic wizard helps the user during the initial setup of the two webcams. No markers, gloves or other hand-held devices are required. Since the system is independent from the nature of the pointing surface, it is possible to use a screen or a projected wall as a virtual touchscreen. The complexity of the algorithms used by the system grows less than linearly with resolution, making the software layer very lightweight and suitable also for low-powered devices like embedded controllers. |
Rights: | © Václav Skala - UNION Agency |
Appears in Collections: | WSCG '2009: Full Papers Proceedings |
Files in This Item:
File | Description | Size | Format | |
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Rustico.pdf | Plný text | 539,87 kB | Adobe PDF | View/Open |
Please use this identifier to cite or link to this item:
http://hdl.handle.net/11025/10892
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