G - Physics – 06 – K
Patent
G - Physics
06
K
354/57
G06K 9/62 (2006.01)
Patent
CA 1297982
Abstract of the Disclosure: A pattern recognition system comprises a preprocessing unit receiving a give pattern for converting the given pattern into a two-dimensional bit pattern. There is provided a first cell block having a plurality of layers each of which is composed of a plurality of nonlinear oscillators arranged in a two-dimensional matrix. The nonlinear oscillators in each of the layers are coupled so as to be excited by a corresponding bit of the bit pattern, and are coupled to adjacent nonlinear oscillators in the same layer so as to mutually emphasize the oscillation in a predetermined direction different from those predetermined for the other layers, so that in each of the layers, there are selectively excited the nonlinear oscillators corresponding to a continuous line segment contained in the bit pattern and aligned in the excitation emphasizing direction of that layer. There is also provided a second cell block having a plurality of layers each of which is composed of a plurality of nonlinear oscillators arranged and coupled in manner similar to the first cell block but is such that in each of the layers, there are selectively excited the nonlinear oscillators corresponding to an end of a continuous line segment formed in the two-dimensional bit pattern and aligned in a direction coincident with the direction of that layer. A memory composed of a plurality of nonlinear oscillators is selectively excited by the exciting nonlinear oscillators of the first and second cell blocks, whereby the nonlinear oscillators of the memory corresponding to an exciting pattern of the exciting nonlinear oscillators of the first and second cell blocks oscillate at a frequency inherent to the given pattern.
559494
Shimizu Hiroshi
Yamaguchi Yoko
Bereskin & Parr Llp
Research Development Corporation Of Japan
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