Bullet Identification Method Based on Tool Mark Emphasis and Matching with Segmented Images

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  • 線条痕顕在化と画像分割照合による発射弾丸の異同識別方式の検討
  • センジョウコン ケンザイカ ト ガゾウ ブンカツ ショウゴウ ニ ヨル ハッシャ ダンガン ノ イドウ シキベツ ホウシキ ノ ケントウ

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Abstract

Firearm identification is an intensive and time-consuming process that requires physical interpretation of forensic ballistics evidence. Specifying the corresponding striations between bullets is expected to be helpful in this type of identification. This paper presents a method that acquires unrolled images of the bullet surfaces and emphasizes the striation of the tool mark with a Hessian matrix and finally aligns the two unrolled images based on correlation map integration. The effectiveness of the method is confirmed through experiments.

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