DE69229468D1 - Verfahren und Gerät zur Bestimmung der Wortfrequenz in einem Dokument ohne Dokumentbilddekodierung - Google Patents

Verfahren und Gerät zur Bestimmung der Wortfrequenz in einem Dokument ohne Dokumentbilddekodierung

Info

Publication number
DE69229468D1
DE69229468D1 DE69229468T DE69229468T DE69229468D1 DE 69229468 D1 DE69229468 D1 DE 69229468D1 DE 69229468 T DE69229468 T DE 69229468T DE 69229468 T DE69229468 T DE 69229468T DE 69229468 D1 DE69229468 D1 DE 69229468D1
Authority
DE
Germany
Prior art keywords
document
determining
image decoding
word frequency
document image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69229468T
Other languages
English (en)
Other versions
DE69229468T2 (de
Inventor
Todd A Cass
Daniel P Huttenlocher
Per-Kristian Halvorsen
M Margaret Withgott
Ronald M Kaplan
Ramana B Rao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE69229468D1 publication Critical patent/DE69229468D1/de
Publication of DE69229468T2 publication Critical patent/DE69229468T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character recognition
    • G06V30/26Techniques for post-processing, e.g. correcting the recognition result
    • G06V30/262Techniques for post-processing, e.g. correcting the recognition result using context analysis, e.g. lexical, syntactic or semantic context
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character recognition
DE69229468T 1991-11-19 1992-11-16 Verfahren und Gerät zur Bestimmung der Wortfrequenz in einem Dokument ohne Dokumentbilddekodierung Expired - Fee Related DE69229468T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79517391A 1991-11-19 1991-11-19

Publications (2)

Publication Number Publication Date
DE69229468D1 true DE69229468D1 (de) 1999-07-29
DE69229468T2 DE69229468T2 (de) 1999-10-28

Family

ID=25164902

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69229468T Expired - Fee Related DE69229468T2 (de) 1991-11-19 1992-11-16 Verfahren und Gerät zur Bestimmung der Wortfrequenz in einem Dokument ohne Dokumentbilddekodierung

Country Status (5)

Country Link
US (1) US5325444A (de)
EP (1) EP0544430B1 (de)
JP (1) JP3282860B2 (de)
CA (1) CA2077604C (de)
DE (1) DE69229468T2 (de)

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Also Published As

Publication number Publication date
JP3282860B2 (ja) 2002-05-20
EP0544430A3 (en) 1993-12-22
EP0544430B1 (de) 1999-06-23
EP0544430A2 (de) 1993-06-02
DE69229468T2 (de) 1999-10-28
US5325444A (en) 1994-06-28
CA2077604A1 (en) 1993-05-20
JPH05282423A (ja) 1993-10-29
CA2077604C (en) 1999-07-06

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee