Low cost optical Multi-touch Tables: Projected versus LCD Optical

• Ramon Mas-Sansó ^[1] ; Cristina Manresa-Yee ^[1] ; María José Abásolo ^[2] ; Armando De Giusti ^[2] ; Cristian García-Bauzá ^[3] ; Marcelo Vénere ^[3]
  1. [1] Universitat de les Illes Balears

     Universitat de les Illes Balears

     Palma de Mallorca, España

     
  2. [2] Universidad Nacional del La Plata
  3. [3] Universidad Nacional del Centro

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• Localización: Journal of Computer Science and Technology, ISSN-e 1666-6038, Vol. 13, Nº. 2, 2013, págs. 64-68
• Idioma: inglés
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• Resumen

  • Based on our experience, in this paper we present the main aspects of two different approaches to implement low cost multi-touch tables: projection based and LCD based. The former uses a video projector to build a feedback image on the surface of a multi-touch table and the latter uses an LCD display for the same purpose. We discuss the main advantages and disadvantages we have faced during our design and building experiences.