• Login
    View Item 
    •   Shocker Open Access Repository Home
    • Fairmount College of Liberal Arts and Sciences
    • Psychology
    • PSY Research Publications
    • View Item
    •   Shocker Open Access Repository Home
    • Fairmount College of Liberal Arts and Sciences
    • Psychology
    • PSY Research Publications
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Visual search for MILSTD 2525 glyphs

    Date
    2014-08
    Author
    Siva, Navaneethan
    Huffman, Hannah
    Chaparro, Alex
    Palmer, Evan M.
    Metadata
    Show full item record
    Citation
    Siva, N., Huffman, H., Chaparro, A., & Palmer, E.M. (2014). Visual Search for MILSTD 2525 Glyphs. Presented at VSS 2014: Fourteenth Annual Meeting of the Vision Sciences Society, St. Pete Beach, Florida, May 16-21, 2014.
    Abstract
    Glyphs are representations of multivariate data used for quickly discriminating information. They can represent values on more than one data dimension via physical attributes such as shape, size, and color (Ward, 2002). The United States military uses a set of glyph symbology (MILSTD 2525) to represent soldiers, equipment and personnel on the battlefield. In this study the authors selected a subset of features from these glyphs to i) evaluate their search efficiency, ii) determine whether differences in efficiency exist between levels of the same feature, and iii) identify the overall difficulty of search. The study compared 4 features: the length and orientation of a line, a central symbol and a text identifier. These represented air speed and direction, aircraft type and a unique aircraft identifier, respectively. Two variations of each feature were used to evaluate search efficiency across different levels of a given feature. Participants identified which side of the screen contained an oddball glyph, or if they saw no oddball. Set sizes 6, 12, and 18 were tested, with target absent trials occurring 10% of the time. Distractors were a set of homogenous glyphs from which the target stimuli only differed by a change in one of the tested features. Response time and accuracy were the major dependent variables, with search slopes being calculated for analysis. Results indicate that participants were not able to distinguish changes in text identifiers, with poor accuracy and relatively slow search efficiencies. Performance for most of the other features was excellent. Participants were slower at identifying a low level of air speed and directional change versus higher levels. This finding is consistent with other work in search asymmetries and indicates that interpretation of these glyphs may be more difficult for some situations than others.
    Description
    Click on the DOI link below to access the article (may not be free).
    URI
    http://doi.org/bcfm
    http://hdl.handle.net/10057/11772
    Collections
    • PSY Research Publications

    Browse

    All of Shocker Open Access RepositoryCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsBy TypeThis CollectionBy Issue DateAuthorsTitlesSubjectsBy Type

    My Account

    LoginRegister

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    DSpace software copyright © 2002-2023  DuraSpace
    DSpace Express is a service operated by 
    Atmire NV