Photographic assessment of retroreflective film properties

G. Burgess, M. R. Shortis*, P. Scott

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    30 Citations (Scopus)

    Abstract

    Retroreflective film is used widely for target manufacture in close-range photogrammetry, especially where high precision is required for applications in industrial or engineering metrology. 3M Scotchlite 7610 high gain reflective sheeting is the gold standard for retroreflective targets because of the high level of response for incidence angles up to 60°. Retroreflective film is now widely used in the transport industry for signage and many other types of film have become available. This study reports on the performance of six types of retroreflective sheeting, including 7610, based on published metrics for reflectance. Measurements were made using a camera and flash, so as to be directly applicable to photogrammetry. Analysis of the results from this project and the assessment of previous research indicates that the use of standards is essential to enable a valid comparison of retroreflective performance.

    Original languageEnglish
    Pages (from-to)743-750
    Number of pages8
    JournalISPRS Journal of Photogrammetry and Remote Sensing
    Volume66
    Issue number5
    DOIs
    Publication statusPublished - Sept 2011

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