A recognition method after acquiring information is studied in this paper.The self-organizing feature map network (SOFMN) with comperitive learning mechanism has exactly capability for doing data association. It has wery antinoise acpability and very simple wtructure when optimal reference vector is found to class input pattern sets. A supervisory learning program is used taken aim at raising program is used taken aim at raising precision. Second classification is necessary for leadkage existed i nfirst classification, this paper has inquired reason made use of the BPN and no other error-correction networks.
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