IT1006312B - SYSTEM FOR STORING VISUAL INFORMATION IN A COMPACT FORM AND TO SELECTIVELY REPRESENT SUCH INFORMATION IN ITS ORIGINAL FORM - Google Patents

SYSTEM FOR STORING VISUAL INFORMATION IN A COMPACT FORM AND TO SELECTIVELY REPRESENT SUCH INFORMATION IN ITS ORIGINAL FORM

Info

Publication number
IT1006312B
IT1006312B IT20310/74A IT2031074A IT1006312B IT 1006312 B IT1006312 B IT 1006312B IT 20310/74 A IT20310/74 A IT 20310/74A IT 2031074 A IT2031074 A IT 2031074A IT 1006312 B IT1006312 B IT 1006312B
Authority
IT
Italy
Prior art keywords
information
storing visual
selectively represent
visual information
original form
Prior art date
Application number
IT20310/74A
Other languages
Italian (it)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1006312B publication Critical patent/IT1006312B/en

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; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0007—Image acquisition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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)
IT20310/74A 1973-04-17 1974-02-08 SYSTEM FOR STORING VISUAL INFORMATION IN A COMPACT FORM AND TO SELECTIVELY REPRESENT SUCH INFORMATION IN ITS ORIGINAL FORM IT1006312B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7305334,A NL172799C (en) 1973-04-17 1973-04-17 SYSTEM FOR PROCESSING INFORMATION FROM HANDWRITTEN TEXT.

Publications (1)

Publication Number Publication Date
IT1006312B true IT1006312B (en) 1976-09-30

Family

ID=19818664

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20310/74A IT1006312B (en) 1973-04-17 1974-02-08 SYSTEM FOR STORING VISUAL INFORMATION IN A COMPACT FORM AND TO SELECTIVELY REPRESENT SUCH INFORMATION IN ITS ORIGINAL FORM

Country Status (6)

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

Families Citing this family (3)

* 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
US4360840A (en) * 1980-05-13 1982-11-23 Am International, Inc. Real time data compression/decompression scheme for facsimile transmission 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 (en) * 1971-07-10 1976-07-16

Also Published As

Publication number Publication date
FR2226709B1 (en) 1976-06-25
NL172799C (en) 1983-10-17
NL172799B (en) 1983-05-16
FR2226709A1 (en) 1974-11-15
DE2413090A1 (en) 1974-11-07
NL7305334A (en) 1974-10-21
GB1438469A (en) 1976-06-09
JPS5010908A (en) 1975-02-04

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