System and method of pattern recognition employing a multiproces

Details System and method of pattern recognition employing a multiproces System and method of pattern recognition employing a multiproces

1993-05-12

1995-10-17

Boudreau, Leo H.

Image analysis

Pattern recognition

Template matching

382303, 3642318, 364DIG1, 3649268, 36494834, 364DIG2, G06K 968

Patent

active

054597986

ABSTRACT:
A computer implemented apparatus and method of pattern recognition utilizing a pattern recognition engine coupled with a general purpose computer system. The present invention system provides increased accuracy and performance in handwriting and voice recognition systems and may interface with general purpose computer systems. A pattern recognition engine is provided within the present invention that contains five pipelines which operate in parallel and are specially optimized for Dynamic Time Warping and Hidden Markov Models procedures for pattern recognition, especially handwriting recognition. These pipelines comprise two arithmetic pipelines, one control pipeline and two pointer pipelines. Further, a private memory is associated with each pattern recognition engine for library storage of reference or prototype patterns. Recognition procedures are partitioned across a CPU and the pattern recognition engine. Use of a private memory allows quick access of the library patterns without impeding the performance of programs operating on the main CPU or the host bus. Communication between the CPU and the pattern recognition engine is accomplished over the host bus.

REFERENCES:
patent: 4395699 (1983-07-01), Sternberg
patent: 4790026 (1988-12-01), Gennery et al.
patent: 5014327 (1991-05-01), Potter et al.
patent: 5111512 (1992-05-01), Fan et al.
patent: 5226091 (1993-07-01), Howell et al.
patent: 5265174 (1993-11-01), Nakatsuka
English Translation of Japanese Kokai 58-24975 (to Komiya, publ. Feb. 1983).
English Translation of Japanese Kokai 63-282586 (to Minewaki, publ. Nov. 1988).

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