@conference{aufsatz68547,
    affiliation = {Professur Mensch-Computer Interaktion},
    title = {Exploration and avoidance of surrounding obstacles for the visually impaired},
    journal = {Proceedings of the 14th International ACMSIGACCESS Conference on Computers and Accessibility (ASSETS 2012)},
    keywords = {Haptic user interface, obstacle avoidance, 3D TOF camera, tactile symbol},
    pages = {111--118},
    year = {2012},
    peerreview = {Ja},
    openaccess = {Nein},
    author = {Zeng, Limin and Prescher, Denise and Weber, Gerhard}
}