Image Pre-processing for a Firearm Identification System

C. Zhao, D. Li, and A. Watson (Australia)


Image segmentation, edge detection, feature extraction.


The “mechanical fingerprint” on fired bullets and cartridge cases can be used to identify the firearm that they passed through. A PC based firearm identification system, Fireball, has been developed at Edith Cowan University and used by police ballistics sections in Australia. This paper will give a brief description of this system and details of the image pre-processing such as segmentation, feature extraction and image processing before saving images to the image database. Examples will be given to demonstrate the methodology.

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