Image analysis – Pattern recognition – Feature extraction
Patent
1993-04-19
1995-08-22
Mancuso, Joseph
Image analysis
Pattern recognition
Feature extraction
382203, 382224, 382177, G06K 946, G06K 934
Patent
active
054447976
ABSTRACT:
An automatic script determining apparatus automatically determines the gross script-type of the text image of a document. A connected component generating means generates connected components from the pixels comprising the text image. A bounding box generating means generates a bounding box surrounding each connected component. A centroid determining means determines a centroid for each bounding box. A script feature determining means determines the locations, relative to the centroid, of one or more predetermined types of features, for each bounding box. A script determining means determines a distribution of the located script features for the entire text image, and compares the determined spatial distribution to predetermined distribution for at least one script-type to determine the script type of the text image.
REFERENCES:
patent: 3755780 (1973-08-01), Sammon et al.
patent: 4516262 (1985-05-01), Sakurai
patent: 4802230 (1989-01-01), Horowitz
patent: 5048100 (1991-09-01), Kuperstein
patent: 5181259 (1993-01-01), Rorvig
patent: 5253307 (1993-10-01), Wayner et al.
Hull David A.
Spitz A. Lawrence
Chang Jon
Fuji Xerox Corporation
Mancuso Joseph
Xerox Corporation
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