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Borovikov, 2014 - Google Patents

A survey of modern optical character recognition techniques

Borovikov, 2014

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Document ID
11645315908154019458
Author
Borovikov E
Publication year
Publication venue
arXiv preprint arXiv:1412.4183

External Links

Snippet

This report explores the latest advances in the field of digital document recognition. With the focus on printed document imagery, we discuss the major developments in optical character recognition (OCR) and document image enhancement/restoration in application to Latin and …
Continue reading at arxiv.org (PDF) (other versions)

Classifications

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    • G06K9/62Methods or arrangements for recognition using electronic means
    • G06K9/68Methods or arrangements for recognition using electronic means using sequential comparisons of the image signals with a plurality of references in which the sequence of the image signals or the references is relevant, e.g. addressable memory
    • G06K9/6807Dividing the references in groups prior to recognition, the recognition taking place in steps; Selecting relevant dictionaries
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    • G06K9/46Extraction of features or characteristics of the image
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    • G06K9/222Image acquisition using hand-held instruments the instrument generating sequences of position coordinates corresponding to handwriting; preprocessing or recognising digital ink
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    • G06K9/3275Inclination (skew) detection or correction of characters or of image to be recognised
    • G06K9/3283Inclination (skew) detection or correction of characters or of image to be recognised of characters or characters lines
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    • G06K9/72Methods or arrangements for recognition using electronic means using context analysis based on the provisionally recognized identity of a number of successive patterns, e.g. a word
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    • G06K9/00469Document understanding by extracting the logical structure, e.g. chapters, sections, columns, titles, paragraphs, captions, page number, and identifying its elements, e.g. author, keywords, ZIP code, money amount
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    • G06K9/6288Fusion techniques, i.e. combining data from various sources, e.g. sensor fusion
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    • G06K2209/01Character recognition
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    • GPHYSICS
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    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements

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