We have developed prototype of a compact optical correlator for video copyright protection that integrates the
optical correlation technology used in FARCO (Fast Recognition Optical Correlation) and a holographic storage system.
Using the ability of parallel transformation as optical holographic memory, the recognition rate can be vastly improved.
In addition, large capacity of optical storage allowed us to increase the amount of reference database. Using its rapid
processing capability, a robust recognition system can be constructed by registering video image data. We expect that
this optical correlation system is simple and energy-saving, and provides ultrahigh speed system compared with
conventional server. This system enables use of an image search system in various fields where it has not previously
been possible to use such systems.
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