Method of Automatic Identification of Rifling Mark Based on Similarity

  • Hong WangEmail author
  • Ruiying Zhou
  • Lihui Zhou
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 139)


This paper provides an effective method for rifling marks identification based on similarity. Here, secondary edges of rifling marks are the object of study. In detail, first, we extract feature of each curve, all of which compose a cross section, by the method of quadratic curve fitting. Second, the similarity of every two secondary edges from different two bullets is computed, through the improved Euclidean distance calculation. Third, these similarities are compared by program in MATLAB. Finally, doing two experiments, it is shown that if their similarity is much lower, less than 0.4, they are from the same gun, otherwise, they are from different guns. So it is proved this method can correctly identify the rifling marks of bullets whether from the same gun.


Similarity rifling mark automatic identification 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.College of ScienceHebei United UniversityTangshanChina
  2. 2.College of Light IndustryHebei United UniversityTangshanChina

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