Image analysis – Pattern recognition – Template matching
Patent
1995-08-07
1998-12-01
Boudreau, Leo
Image analysis
Pattern recognition
Template matching
382177, 382225, G06K 946
Patent
active
058449914
ABSTRACT:
A computer-implemented method identifies a script used to create a document. A set of training documents for each script to be identified is scanned into the computer to store a series of exemplary images representing each script. Pixels forming the exemplary images are electronically processed to define a set of textual symbols corresponding to the exemplary images. Each textual symbol is assigned to a cluster of textual symbols that most closely represents the textual symbol. The cluster of textual symbols is processed to form a representative electronic template for each cluster. A document having a script to be identified is scanned into the computer to form one or more document images representing the script to be identified. Pixels forming the document images are electronically processed to define a set of document textual symbols corresponding to the document images. The set of document textual symbols is compared to the electronic templates to identify the script.
REFERENCES:
patent: 5319721 (1994-06-01), Chefalas et al.
patent: 5442715 (1995-08-01), Gaborski et al.
patent: 5444797 (1995-08-01), Spitz et al.
A. Lawrence Spitz, "Script and Language Determination from Document Images," Proceedings of the Third Annual Symposium on Document Analysis and Information Retrieval, pp. 229-235 (1994).
Penelope Sibun et al., "Language Determination: Natural Language Processing from Scanned Document Images," To appear in proceedings of ANLP 94, pp. 115-121.
Takehiro Nakayama et al., "European Language Determination from Image," Proceedings of the Second International Conference on Document Analysis and Recognition, pp. 159-162 (1993).
Hochberg Judith G.
Kelly Patrick M.
Thomas Timothy R.
Boudreau Leo
The Regents of the University of California
Werner Brian P.
Wilson Ray G.
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