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                            Library & Multimedia
 Quantitative Measures for Footwear Impression Comparisons
NCJ Number
              303985

Author(s)
          Martin Herman, Ph.D.;
                        Steven Lund, Ph.D.;
                        Hari Iyer, Ph.D.;
                        G ̈unay Do ̆gan, Ph.D.;
                        Adam Pintar, Ph.D.;
                        Yooyoung Lee Ph.D.
Date Published

2021
Length
              13 pages
Annotation
              The goal of this project has been to research and develop quantitative methods for two-dimensional footwear evidence assessment to assist examiners by providing empirical support for their findings.
Abstract
              Although research has produced many similarity metrics and scores for quantifying pattern comparisons, pattern evidence disciplines have long had difficulty in applying their methods to casework so that it withstands scientific scrutiny. This project shifts the focus from the question “What is the weight of evidence?” to “What relevant information is available to help assess the weight of evidence?” This project viewed this shift in focus as a significant advance for both the footwear impression discipline and the field of pattern evidence. The project’s goal is to develop an end-to-end system called Footwear Impression Comparison System (FICS). This system is based on a workflow that reduces the potential for bias by eliminating side-by-side human evaluation of the questioned impression and test impressions, parallels the analytic sequence examiners already follow, and provides quantitative support for examiner findings in harmony with the Scientific Working Group for Shoeprint and Tire Tread Evidence (SWGTREAD) conclusion scale. The first version of this end-to-end workflow was made into a proof-of-concept graphical user interface application, which is described in this report. Another paper details subsequent work to replace each component of the initial version, focusing on performance and casework utility. This report advises that “successfully completing the long-term research would be a transformative landmark in pattern evidence evaluation.” 2 figures and a listing of 5 research papers, 2 talks, and an online software from this project
      
  
          Additional Details
Grant Number(s)
        DJO-NIJ-17-RO-0202


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Award
        Quantitative Measures for Footwear Impression Comparisons
    
  
  
Date Published: January 1, 2021
    
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        Shoe prints and tire tracks
        Comparative Analysis



  
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