Article Abstracts | June 2007
The complete article appears in the June 2007 issue of Photonics Spectra. If you do not have a copy of this issue,
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Internal Digital Signature Enables Data Protection
Bringing the electronic signature process to the camera boosts image authentication.
by Dieter Gellrich, Kappa opto-electronics GmbH
In this age of increasing security needs, data authentication is increasingly important. In the past, methods such as computer-based cryptography were used, but the image and the related data could be manipulated on a computer or changed before they were signed.
Today, a unique approach uses a CCD camera that authenticates images with an electronic signature in applications such as traffic surveillance, expert reports, quality assurance documentation, claims for compensation and criminal proceedings. The DX 4/40 S camera series from Kappa opto-electronics GmbH of Gleichen, Germany, offers the ability to provide a digital image together with accompanying data — such as serial numbers, and measurement and quality assurance data — with an electronic signature directly in the camera...
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