Abstract：
:A novel feature-based method, which is scale invariant feature transform (SIFT) and RANdom SAmple Consensus (RANSAC) integration algorithm, is introduced to promote the automated identification of the breech face impression, the most common mark left on the cartridge used for firearm evidence. SIFT algorithm is employed to extract the local extrema from examined impression as keypoints representing its invariant features, and to build the feature descriptor for each keypoint based on its local gradients in neighborhood. RANSAC is used to improve the matching performance among these keypoints and feature descriptors. With hypothesize-and-verify methods, RANSAC is able to construct the best model fitting initial matching pairs of keypoints and to guarantee the robust comparison result. Validation tests using 40 cartridge cases fired from pistols with 10 consecutively manufactured slides yielded a clear separation result, which strongly supports the effectiveness of the ensemble algorithm of SIFT and RANSAC. This application indicates the practical feasibility of feature-based algorithm and image processing technique in forensic science.
journal_name
Forensic Sci Intjournal_title
Forensic science internationalauthors
Zhang H,Gu J,Chen J,Sun F,Wang Hdoi
10.1016/j.forsciint.2018.02.026subject
Has Abstractpub_date
2018-05-01 00:00:00pages
148-154eissn
0379-0738issn
1872-6283pii
S0379-0738(18)30080-Xjournal_volume
286pub_type
杂志文章abstract：:The shape of the post-mortem cooling curve is described and its theoretical aspects are summarised. The concepts of the "infinite cylinder" and the "initial temperature plateau" are explained and their practical implications are discussed. Results of the study of the shape of post-mortem cooling curves for the brain, ...
journal_title：Forensic science international
pub_type： 杂志文章
doi：
更新日期：2002-02-18 00:00:00
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journal_title：Forensic science international
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journal_title：Forensic science international
pub_type： 杂志文章
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pub_type： 杂志文章
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journal_title：Forensic science international
pub_type： 杂志文章
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journal_title：Forensic science international
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journal_title：Forensic science international
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journal_title：Forensic science international
pub_type： 杂志文章,评审
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更新日期：2000-01-10 00:00:00
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journal_title：Forensic science international
pub_type： 杂志文章,评审
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journal_title：Forensic science international
pub_type： 杂志文章
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更新日期：2013-07-10 00:00:00
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journal_title：Forensic science international
pub_type： 杂志文章
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更新日期：1996-05-17 00:00:00
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journal_title：Forensic science international
pub_type： 杂志文章
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更新日期：2003-08-12 00:00:00
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journal_title：Forensic science international
pub_type： 杂志文章,评审
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更新日期：1989-03-01 00:00:00
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journal_title：Forensic science international
pub_type： 临床试验,杂志文章
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更新日期：2001-02-15 00:00:00
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journal_title：Forensic science international
pub_type： 杂志文章
doi：10.1016/j.forsciint.2013.12.002
更新日期：2014-03-01 00:00:00
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journal_title：Forensic science international
pub_type： 杂志文章
doi：10.1016/j.forsciint.2007.06.027
更新日期：2008-03-21 00:00:00
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journal_title：Forensic science international
pub_type： 杂志文章
doi：10.1016/j.forsciint.2004.02.023
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journal_title：Forensic science international
pub_type： 杂志文章
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journal_title：Forensic science international
pub_type： 杂志文章
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journal_title：Forensic science international
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journal_title：Forensic science international
pub_type： 杂志文章
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更新日期：2016-11-01 00:00:00
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journal_title：Forensic science international
pub_type： 临床试验,杂志文章
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journal_title：Forensic science international
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journal_title：Forensic science international
pub_type： 杂志文章
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更新日期：1992-10-01 00:00:00
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journal_title：Forensic science international
pub_type： 杂志文章
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journal_title：Forensic science international
pub_type： 杂志文章
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journal_title：Forensic science international
pub_type： 杂志文章
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更新日期：2013-03-10 00:00:00
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journal_title：Forensic science international
pub_type： 杂志文章
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更新日期：2003-04-08 00:00:00
