Non-visual information display using tactons
CHI '04 Extended Abstracts on Human Factors in Computing Systems
Two-handed navigation in a haptic virtual environment
CHI '06 Extended Abstracts on Human Factors in Computing Systems
Tac-tiles: multimodal pie charts for visually impaired users
Proceedings of the 4th Nordic conference on Human-computer interaction: changing roles
Haptic recognition of shapes at different scales: A comparison of two methods of interaction
Interacting with Computers
Creating Usable Pin Array Tactons for Nonvisual Information
IEEE Transactions on Haptics
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We propose a new technique to help people to explore geometric shapes without vision. This technique is based on a guidance using directional cues with a pin array. This is an alternative to the usual technique that consists of raising the pins corresponding to dark pixels around the cursor. In this paper we compare the exploration of geometric shapes with our new technique in unimanual and bimanual conditions. According to our results, the users made few errors in both conditions. Moreover the results show an equivalence for both techniques in answer time and users' confidence in their answer.