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Figure recognizing system

  • US 4,484,348 A
  • Filed: 12/18/1981
  • Issued: 11/20/1984
  • Est. Priority Date: 12/22/1980
  • Status: Expired due to Term
First Claim
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1. A figure recognizing system comprising:

  • (a) a scanning section for reading out letter information of various letter species recorded on a recording medium;

    (b) a detecting section connected to said scanning section for effecting letter detection from the letter information from said scanning section;

    (c) thesauruses consisting of standard letter patterns of various letter species corresponding to said various letter species;

    (d) a similarity computing section for receiving information from said detecting section and standard letter pattern information from said thesauruses and computing the similarity corresponding to the letter information from said detecting section;

    (e) threshold table means in which letter combinations and threshold levels for the respective letter combinations are stored as pairs;

    (f) a category judgement section for receiving the output of said similarity computing section, obtaining a similarity difference from the maximum and next maximum values of said similarity and comparing said similarity difference and a corresponding threshold level of said threshold table means to judge the category of said letter;

    (g) format table means where a predetermined category series is stored;

    (h) format judging means connected to said detecting section and category judgement section for comparing a category supplied from said detecting section and a category series supplied from said detecting section;

    (i) storage means for storing the detected information from said detecting section; and

    (j) a recognizing section connected to said format judging section and storage means for recognizing the content of said storage means to provide final letter information if a coincidence is obtained as a result of judgement in said format judging section.

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