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    A smartphone-based obstacle sensor for the visually impaired

    149606_149606.pdf (190.2Kb)
    Access Status
    Open access
    Authors
    Peng, En
    Peursum, Patrick
    Li, Ling
    Venkatesh, Svetha
    Date
    2010
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Peng, En and Peursum, Patrick and Li, Ling and Venkatesh, Svetha. 2010. A smartphone-based obstacle sensor for the visually impaired, in Z. Yu, R. Liscano, G. Chen, D. Zhang & X. Zhou (ed), 7th International conference, UIC 2010, Oct 26 2010, pp. 590-604. Xi'an, China: Springer-Verlag.
    Source Title
    Ubiquitous intelligence and computing
    Source Conference
    7th International conference, UIC 2010
    DOI
    10.1007/978-3-642-16355-5_45
    ISBN
    9783642163548
    School
    Department of Computing
    Remarks

    The original publication is available at : http://www.springerlink.com

    URI
    http://hdl.handle.net/20.500.11937/14536
    Collection
    • Curtin Research Publications
    Abstract

    In this paper, we present a real-time obstacle detection system for the mobility improvement for the visually impaired using a handheld Smartphone. Though there are many existing assistants for the visually impaired, there is not a single one that is low cost, ultra-portable, nonintrusive and able to detect the low-height objects on the floor. This paper proposes a system to detect any objects attached to the floor regardless of their height. Unlike some existing systems where only histogram or edge information is used, the proposed system combines both cues and overcomes some limitations of existing systems. The obstacles on the floor in front of the user can be reliably detected in real time using the proposed system implemented on a Smartphone. The proposed system has been tested in different types of floor conditions and a field trial on five blind participants has been conducted. The experimental results demonstrate its reliability in comparison to existing systems.

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