NDLI: Optical 2D correlation identification in security applications: discussion

Content Provider	IEEE Xplore Digital Library
Author	Klima, M.
Copyright Year	2000
Description	Author affiliation: Dept. of Radioelectron., Czech Tech. Univ., Prague, Czech Republic (Klima, M.)
Abstract	The optical method JTC (2D correlation) is a very efficient tool in the field of possible identification approaches. Originally suggested by Weaver and Goodman (1966) the JTC concept has been widely applied and many modifications has appeared during last years. The practical implementation is strongly limited by a sensitivity of correlation peak value to possible distortions and artifacts. The paper summarizes relevant results of our experiments on the 2D optical (JTC) correlation identification setup published on previous Carnahan conferences. Apart of already tested distortions and effects (zoom, dilation, rotation, partial picture, noise etc.) the influence of reduced resolution and image preprocessing such as filtering has been tested and the evaluation of these artifacts has been done as a final part of our experiments. The most important criterion for the selection of artifacts has been an importance in practical use. As in the previous papers the JTC setup has applied to the set of fingerprints and faces, Finally an overview and a summarizing discussion are presented to show the limits of practical applications of the 2D correlation identification technique.
Starting Page	119
Ending Page	123
File Size	348577
Page Count	5
File Format	PDF
ISBN	0780359658
DOI	10.1109/CCST.2000.891177
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-10-25
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Security Optical distortion Optical filters Optical sensors Optical noise Testing Noise reduction Image resolution Filtering Fingerprint recognition
Content Type	Text
Resource Type	Article

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