CA1089991A - Appareil de codage des images - Google Patents

Appareil de codage des images

Info

Publication number
CA1089991A
CA1089991A CA290,044A CA290044A CA1089991A CA 1089991 A CA1089991 A CA 1089991A CA 290044 A CA290044 A CA 290044A CA 1089991 A CA1089991 A CA 1089991A
Authority
CA
Canada
Prior art keywords
segment
segments
pel
active
pels
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
Application number
CA290,044A
Other languages
English (en)
Inventor
Ian D. Judd
John F. Minshull
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1089991A publication Critical patent/CA1089991A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/20—Contour coding, e.g. using detection of edges
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Facsimiles In General (AREA)
  • Digital Computer Display Output (AREA)
  • Dot-Matrix Printers And Others (AREA)
CA290,044A 1976-12-20 1977-11-02 Appareil de codage des images Expired CA1089991A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB53034/76 1976-12-20
GB53034/76A GB1517869A (en) 1976-12-20 1976-12-20 Image encoding apparatus

Publications (1)

Publication Number Publication Date
CA1089991A true CA1089991A (fr) 1980-11-18

Family

ID=10466361

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290,044A Expired CA1089991A (fr) 1976-12-20 1977-11-02 Appareil de codage des images

Country Status (7)

Country Link
JP (1) JPS5386532A (fr)
AU (1) AU508981B2 (fr)
CA (1) CA1089991A (fr)
DE (1) DE2754230A1 (fr)
FR (1) FR2374698A1 (fr)
GB (1) GB1517869A (fr)
IT (1) IT1114673B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5915381B2 (ja) * 1978-10-16 1984-04-09 日本電信電話株式会社 パタ−ン検査法
JPS607579A (ja) * 1983-06-24 1985-01-16 Sumitomo Electric Ind Ltd 画像処理方法と装置
FR2552570B1 (fr) * 1983-09-28 1989-02-24 Sacsi Procede pour la lecture sous forme numerique, avec compression par reconnaissance de formes, d'un document
US5007098A (en) * 1988-12-30 1991-04-09 Ezel, Inc. Vectorizing method

Also Published As

Publication number Publication date
AU508981B2 (en) 1980-04-17
JPS5646176B2 (fr) 1981-10-31
IT1114673B (it) 1986-01-27
AU3161477A (en) 1979-06-21
FR2374698B1 (fr) 1980-08-22
DE2754230A1 (de) 1978-06-22
GB1517869A (en) 1978-07-12
FR2374698A1 (fr) 1978-07-13
JPS5386532A (en) 1978-07-31

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