Process and device for character recognition, in particular for

Details Process and device for character recognition, in particular for Process and device for character recognition, in particular for

1995-01-27

1997-09-23

Boudreau, Leo

Image analysis

Applications

Reading bank checks

382137, G06K 900

Patent

active

056712910

ABSTRACT:
A wave form representative of the character to be recognized is converted digitally. For each set of N sample reference signals initially acquired, the absolute value of the difference between the numerical value of each sample reference signal and the numerical value of each sample signal to be recognized is calculated in order to establish K lists each of N absolute values. From the K lists is selected that for which the N absolute values have an approximately constant value, where the character to be recognized corresponds to the reference character associated with the list thus selected.

REFERENCES:
patent: 4143356 (1979-03-01), Nally
patent: 4245211 (1981-01-01), Kao
patent: 4590606 (1986-05-01), Rohrer
"Sequential MICR Character Recognizer" In: Research Disclosure, No. 269, Sep. 1986, Havant GB, p. 257.
R. Ordower et al: "Character Recognition by Continuous Time Domain Comparison". In: IBM Technical Disclosure Bulletin, vol. 10, No. 4, Sep. 1967, New York US, pp. 380-381.

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