CA2078423A1 - Method and apparatus for supplementing significant portions of a document selected without document image decoding with retrieved information - Google Patents

Method and apparatus for supplementing significant portions of a document selected without document image decoding with retrieved information

Info

Publication number
CA2078423A1
CA2078423A1 CA2078423A CA2078423A CA2078423A1 CA 2078423 A1 CA2078423 A1 CA 2078423A1 CA 2078423 A CA2078423 A CA 2078423A CA 2078423 A CA2078423 A CA 2078423A CA 2078423 A1 CA2078423 A1 CA 2078423A1
Authority
CA
Canada
Prior art keywords
document
image
supplementing
image decoding
retrieved information
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.)
Granted
Application number
CA2078423A
Other languages
French (fr)
Other versions
CA2078423C (en
Inventor
Per-Kristian Halvorsen
John Seely Brown
M. Margaret Withgott
William Newman
Ronald M. Kaplan
Todd A. Cass
Steven C. Bagley
Daniel P. Huttenlocher
Martin Kay
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
Publication of CA2078423A1 publication Critical patent/CA2078423A1/en
Application granted granted Critical
Publication of CA2078423C publication Critical patent/CA2078423C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/20—Natural language analysis
    • G06F40/268—Morphological analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/166—Editing, e.g. inserting or deleting
    • G06F40/169—Annotation, e.g. comment data or footnotes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/30—Semantic analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/40—Processing or translation of natural language
    • G06F40/55—Rule-based translation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/1444—Selective acquisition, locating or processing of specific regions, e.g. highlighted text, fiducial marks or predetermined fields
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/416—Extracting the logical structure, e.g. chapters, sections or page numbers; Identifying elements of the document, e.g. authors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Abstract

A method and apparatus for applying morphological image criteria that identify image units in an undecoded document image having significant information content, and for retrieving related data that supplements the document either from elsewhere within the document or a source external to the document. The retrieved data can result from character code, recognition or template matching of the identified significant image units, or the retrieved data can result directly from an analysis of the morpho-logical image characteristics of the identified signifi-cant image units. A reading machine can allow a user to browse and select documents or segments thereof, and to obtain interactive retrieval of documents and supplemental data.
CA002078423A 1991-11-19 1992-09-16 Method and apparatus for supplementing significant portions of a document selected without document image decoding with retrieved information Expired - Fee Related CA2078423C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79541991A 1991-11-19 1991-11-19
US795,419 1991-11-19

Publications (2)

Publication Number Publication Date
CA2078423A1 true CA2078423A1 (en) 1993-05-20
CA2078423C CA2078423C (en) 1997-01-14

Family

ID=25165475

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002078423A Expired - Fee Related CA2078423C (en) 1991-11-19 1992-09-16 Method and apparatus for supplementing significant portions of a document selected without document image decoding with retrieved information

Country Status (5)

Country Link
US (1) US5748805A (en)
EP (1) EP0544434B1 (en)
JP (1) JP3289968B2 (en)
CA (1) CA2078423C (en)
DE (1) DE69226611T2 (en)

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Also Published As

Publication number Publication date
US5748805A (en) 1998-05-05
DE69226611D1 (en) 1998-09-17
DE69226611T2 (en) 1999-01-28
JP3289968B2 (en) 2002-06-10
JPH05250408A (en) 1993-09-28
EP0544434B1 (en) 1998-08-12
EP0544434A2 (en) 1993-06-02
CA2078423C (en) 1997-01-14
EP0544434A3 (en) 1993-12-22

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