Optical Computer-Based Character Recognition Technique.
ILLINOIS UNIV AT URBANA COORDINATED SCIENCE LAB
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The promise of obtaining a high speed pattern recognition system has been the stimulus for a great deal of work with coherent optics. The results, however, seem to lack the flexibility required of a functional system. An approach is proposed here, which addresses itself to this need. It contains both optical and digital features, in particular the use of filtering and the use of syntactic pattern description in place of templates or curve tracing. Developed in Chapter 2 is the background material for this topic. In Chapter three the pattern recognition problem is posed, difficulties associated with the problem are discussed and a solution is offered. The results of simulation, the test of the proposed approach, are analyzed in Chapter 4. Chapter 5 summarizes the conclusions drawn from this work. Author