Color separation in forensic image processing

被引:28
作者
Berger, CEH [1 ]
Koeijer, JA [1 ]
Glas, W [1 ]
Madhuizen, HT [1 ]
机构
[1] Netherlands Foresns Inst, Chem Dept, Document Grp, NL-2490 AA The Hague, Netherlands
关键词
forensic science; document examination; image processing; color separation; color deconvolution; ink analysis; ink discrimination;
D O I
10.1111/j.1556-4029.2005.00020.x
中图分类号
DF [法律]; D9 [法律]; R [医药、卫生];
学科分类号
0301 ; 10 ;
摘要
In forensic image processing, it is often important to be able to separate a feature from an interfering background or foreground, or to demonstrate colors within an image to be different from each other. In this study, a color deconvolution algorithm that could accomplish this task is described, and it is applied to color separation problems in document and fingerprint examination. Subtle color differences (sometimes invisible to the naked eye) are found to be sufficient, which is demonstrated successfully for several cases where color differences were shown to exist, or where colors were removed from the foreground or background. The software is available for free in the form of an Adobe (R) Photoshop (R)-compatible plug-in.
引用
收藏
页码:100 / 102
页数:3
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