Implementing a natural user interface for camera phones using visual tags

Sanni Siltanen, Jouko Hyväkkä

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    3 Citations (Scopus)


    A conventional keypad user interface of mobile phones is unsuitable for some modern situations. Here we present a visual tagging system and show how such a system can be used for fast and efficient user interface, utilizing a camera phone as a pointing device. We also present our two optional mobile phone implementations, one aiming for very fast processing and the other for high detection resolution. These efficient implementations are achieved by taking into account the strict constraints of the mobile environment. We present a flexible system where varying physical and storage sizes of the visual tag can be used in different applications through one interface application and we present some performance statistics of our implementations. We also identify some of the constraints on the mobile device programming environment concentrating on Symbian Series 60 mobile phones.
    Original languageEnglish
    Title of host publicationAUIC'06: Proceedings of the 7th Australasian User Interface Conference
    Subtitle of host publicationHobart, AU, 16 - 19 Jan. 2006
    PublisherAustralian Computer Society
    ISBN (Electronic)978-1-920682-32-3
    ISBN (Print)1-920682-32-5
    Publication statusPublished - 2006
    MoE publication typeA4 Article in a conference publication


    • camera phone
    • visual tag
    • pointing user interface
    • mobile platform


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