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首页> 外文期刊>Journal of forensic sciences. >Comparing the performance of IBIS and BulletTRAX-3D technology using bullets fired through 10 consecutively rifled barrels.
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Comparing the performance of IBIS and BulletTRAX-3D technology using bullets fired through 10 consecutively rifled barrels.

机译：使用通过10个连续膛线枪管发射的子弹比较IBIS和BulletTRAX-3D技术的性能。

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摘要

This study evaluates the abilities of the Integrated Ballistics Identification System (IBIS) and BulletTRAX-3D electronic imaging systems to identify bullets fired by the same weapon in a large database of images. Ten consecutively rifled handgun barrels were test fired to obtain reference sample and known match sample pairs for upload onto both bullet acquisition systems. Both copper-jacketed and lead bullets were uploaded, to account for variations in the manner in which markings are reproduced on the different metal compositions. Ranked correlation lists were examined and evaluated. For copper-jacketed bullet correlations, both IBIS and BulletTRAX-3D identified all reference samples to their known matches within the top 10 positions. For lead bullets, BulletTRAX-3D identified all reference samples to their known match in the top 10 positions while IBIS identified only 30%. For inter composition comparisons, BulletTRAX-3D was more successful than IBIS, identifying 100% of reference samples to their known match in the top 20 for copper-jacketed to lead comparisons and 90% for lead to copper-jacketed comparisons. These results suggest that BulletTRAX-3D is more effective than IBIS in the analysis of a wider range of bullet types and it was also found to produce images of superior quality.
机译：这项研究评估了集成弹道识别系统（IBIS）和BulletTRAX-3D电子成像系统在大型图像数据库中识别同一武器发射的子弹的能力。测试了十个连续取膛的手枪枪管，以获取参考样品和已知的匹配样品对，以上传到两个子弹采集系统上。上铜套子弹和铅子弹都被上传，以说明在不同金属成分上复制标记的方式的变化。检查和评估排名的相关性列表。对于带有铜套的子弹相关性，IBIS和BulletTRAX-3D都将所有参考样本识别为前10个位置中的已知匹配。对于铅弹，BulletTRAX-3D在前十名中确定了所有已知样品，使其达到已知匹配，而IBIS仅确定了30％。在成分间比较中，BulletTRAX-3D比IBIS更成功，可以将100％的参考样品与已知的配对样品进行铜套比铅比较，将90％的样品进行铜套比的比较。这些结果表明BulletTRAX-3D在分析更广泛的子弹类型方面比IBIS更有效，并且还发现它可以产生更高质量的图像。

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