A new method for the recovery and evidential comparison of footwear impressions using 3D structured light scanning

Timothy Thompson, Paul Norris

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    Abstract

    Footwear impressions are one of the most common forms of evidence to be found at a crime scene, and can potentially offer the investigator a wealth of intelligence. Our aim is to highlight a new and improved technique for the recovery of footwear impressions, using three-dimensional structured light scanning. Results from this preliminary study demonstrate that this new approach is non-destructive, safe to use and is fast, reliable and accurate. Further, since this is a digital method, there is also the option of digital comparison between items of footwear and footwear impressions, and an increased ability to share recovered footwear impressions between forensic staff thus speeding up the investigation.
    Original languageEnglish
    Pages (from-to)237-243
    Number of pages7
    JournalScience & Justice
    Volume58
    Issue number3
    Early online date6 Feb 2018
    DOIs
    Publication statusPublished - 1 May 2018

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