Tactile Treasure Map: Integrating Allocentric and Egocentric Information for Tactile Guidance

  • Mariacarla Memeo
  • Victor Adriel de Jesus Oliveira
  • Luciana Nedel
  • Anderson Maciel
  • Luca Brayda
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 432)


With interactive maps a person can manage to find the way from one point to another, using an allocentric perspective (e.g. Google Maps), but also looking at a location as from the inside of the map with an egocentric perspective (e.g. Google Street View). Such experience cannot be performed with tactile maps, mostly explored from a top-view. To solve this, we built a system with two different but complementary devices. When coupled, they can provide both allocentric and egocentric spatial information to support the exploration of interactive tactile maps. To show the potential of the system, we built a blind treasure hunt.


Haptics Tactile guidance Spatial coding Assistive technology Tactile mouse Vibrotactile head-mounted display 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Mariacarla Memeo
    • 1
  • Victor Adriel de Jesus Oliveira
    • 2
  • Luciana Nedel
    • 2
  • Anderson Maciel
    • 2
  • Luca Brayda
    • 1
  1. 1.RBCSFondazione Istituto Italiano di Tecnologia (IIT)GenoaItaly
  2. 2.INFUniversidade Federal do Rio Grande do Sul (UFRGS)Porto AlegreBrazil

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