期刊
SCIENCE & JUSTICE
卷 61, 期 2, 页码 119-129出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.scijus.2020.12.001
关键词
Document inspection; Questioned documents; Non-destructive imaging; Optical methods; Optical coherence tomography
资金
- Foster and Freeman, Ltd.
- School of Physical Sciences, University of Kent
- Biotechnology and Biological Sciences Research Council (BBSRC) (5DHiResE project) [BB/S016643/1]
- Engineering and Physical Sciences Research Council (EPSRC) (REBOT project) [EP/N019229/1, EP/N027078/2]
- National Institute for Health Research (NIHR) Biomedical Research Centre at the UCL Institute of Ophthalmology, University College London
- Moorfields Eye Hospital NHS Foundation Trust
- Royal Society Wolfson research merit award
- BBSRC [BB/S016643/1] Funding Source: UKRI
The advancement of identification and anti-counterfeiting technologies has led to increasingly complex security features in identity documents, including embedded security features. As documents become harder to forge, forgery detection becomes more sophisticated.
The identification of individuals, particularly at international border crossings, coupled with the evolving sophistication of identity documents are issues that authorities must contend with. Particularly, the ability to distinguish legitimate from counterfeit documents, with high throughput, sensitivity, and selectivity is an ever evolving challenge. Over the last decade, an increasing number of security features have been introduced by authorities in identification documents. The latest generation of travel documents (such as passports and national ID cards) forego paper substrates for several layers of polycarbonate, allowing security features to be embedded within the documents. These security features may contain information at either the superficial and sub-surface levels, thus increasing the document's resilience to counterfeiting. As the documents become harder to forge, so does the sophistication of forgery detection. There appears to be an unmet and evolving need to identify such sophisticated forgeries, in a non-destructive, high throughput manner . In this publication, we report on the application of optical coherence tomography (OCT) imaging on assessing security features in specimen passports and national ID cards. OCT allows sub-surface imaging of translucent structures, non-destructively enabling quantitative visualisation of embedded security features.
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