DE2413090A1 - Verfahren und anordnung zur verdichtung und speicherung graphischer information und zu deren selektiven wiederherstellung - Google Patents

Verfahren und anordnung zur verdichtung und speicherung graphischer information und zu deren selektiven wiederherstellung

Info

Publication number
DE2413090A1
DE2413090A1 DE2413090A DE2413090A DE2413090A1 DE 2413090 A1 DE2413090 A1 DE 2413090A1 DE 2413090 A DE2413090 A DE 2413090A DE 2413090 A DE2413090 A DE 2413090A DE 2413090 A1 DE2413090 A1 DE 2413090A1
Authority
DE
Germany
Prior art keywords
predictor
line
image
stage
picture
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.)
Pending
Application number
DE2413090A
Other languages
German (de)
English (en)
Inventor
Spaeter Genannt Werden Wird
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
Publication of DE2413090A1 publication Critical patent/DE2413090A1/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/417—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0007—Image acquisition
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe coding
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/35—Individual registration on entry or exit not involving the use of a pass in combination with an identity check by means of a handwritten signature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
DE2413090A 1973-04-17 1974-03-19 Verfahren und anordnung zur verdichtung und speicherung graphischer information und zu deren selektiven wiederherstellung Pending DE2413090A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7305334,A NL172799C (nl) 1973-04-17 1973-04-17 Stelsel voor het verwerken van informatie afkomstig van handgeschreven tekst.

Publications (1)

Publication Number Publication Date
DE2413090A1 true DE2413090A1 (de) 1974-11-07

Family

ID=19818664

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2413090A Pending DE2413090A1 (de) 1973-04-17 1974-03-19 Verfahren und anordnung zur verdichtung und speicherung graphischer information und zu deren selektiven wiederherstellung

Country Status (6)

Country Link
JP (1) JPS5010908A (enrdf_load_stackoverflow)
DE (1) DE2413090A1 (enrdf_load_stackoverflow)
FR (1) FR2226709B1 (enrdf_load_stackoverflow)
GB (1) GB1438469A (enrdf_load_stackoverflow)
IT (1) IT1006312B (enrdf_load_stackoverflow)
NL (1) NL172799C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040025A1 (en) * 1980-05-13 1981-11-18 Am International Incorporated Real time data compression/decompression scheme for facsimile transmission system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101959A (en) * 1976-10-22 1978-07-18 Informer, Inc. Terminal display and storage system
US5057869A (en) * 1990-11-30 1991-10-15 Xerox Corporation System for scanning signature pages

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225333A (en) * 1961-12-28 1965-12-21 Ibm Differential quantitized storage and compression
US3718908A (en) * 1970-11-30 1973-02-27 R Bloomstein Signature storage and retrieval system
US3676000A (en) * 1970-12-31 1972-07-11 Coded Signatures Inc Data encoding and decoding apparatus and method
JPS5123408B1 (enrdf_load_stackoverflow) * 1971-07-10 1976-07-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040025A1 (en) * 1980-05-13 1981-11-18 Am International Incorporated Real time data compression/decompression scheme for facsimile transmission system

Also Published As

Publication number Publication date
NL172799B (nl) 1983-05-16
IT1006312B (it) 1976-09-30
JPS5010908A (enrdf_load_stackoverflow) 1975-02-04
GB1438469A (en) 1976-06-09
FR2226709B1 (enrdf_load_stackoverflow) 1976-06-25
NL172799C (nl) 1983-10-17
NL7305334A (enrdf_load_stackoverflow) 1974-10-21
FR2226709A1 (enrdf_load_stackoverflow) 1974-11-15

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