Method and apparatus for automatic language determination of Asi

Details Method and apparatus for automatic language determination of Asi Method and apparatus for automatic language determination of Asi

1993-04-19

1995-06-13

Mancuso, Joseph

Image analysis

Pattern recognition

Feature extraction

382224, 382173, G06K 946

Patent

active

054251109

ABSTRACT:
An automatic language determining apparatus automatically determines the particular Asian language of the text image of a document when the gross script-type is known to be, or is determined to be, an Asian script-type. A connected component generating means generates connected components from the pixels comprising the text image. A character cell generating means generates a character cell surrounding at least one connected component. An optical density determining means determines the optical density, in absolute numbers or percentage of pixels, of the pixels within each character cell. A script feature determining means first generates a histogram, then converts, by linear discriminate analysis, the histogram to a point in a new coordinate space. A language determining means compares the determined point of the text portion in the new coordinate space to predetermined regimes in the new coordinate space corresponding to at least one Asian language to determine the particular Asian language of the text image.

REFERENCES:
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patent: 4516262 (1985-05-01), Sakurai
patent: 4817186 (1989-03-01), Goolsbey et al.
patent: 5062143 (1991-10-01), Schmitt
patent: 5181259 (1993-01-01), Rorvig
patent: 5253307 (1993-10-01), Wayner et al.

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