JPS57168582A - Data decoder - Google Patents

Data decoder

Info

Publication number
JPS57168582A
JPS57168582A JP5355581A JP5355581A JPS57168582A JP S57168582 A JPS57168582 A JP S57168582A JP 5355581 A JP5355581 A JP 5355581A JP 5355581 A JP5355581 A JP 5355581A JP S57168582 A JPS57168582 A JP S57168582A
Authority
JP
Japan
Prior art keywords
line
prescanning
data
decoding
decoded
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
JP5355581A
Other languages
English (en)
Inventor
Eiichi Adachi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP5355581A priority Critical patent/JPS57168582A/ja
Publication of JPS57168582A publication Critical patent/JPS57168582A/ja
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
    • H04N1/4175—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding involving the encoding of tone transitions with respect to tone transitions in a reference line

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
JP5355581A 1981-04-09 1981-04-09 Data decoder Pending JPS57168582A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5355581A JPS57168582A (en) 1981-04-09 1981-04-09 Data decoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5355581A JPS57168582A (en) 1981-04-09 1981-04-09 Data decoder

Publications (1)

Publication Number Publication Date
JPS57168582A true JPS57168582A (en) 1982-10-16

Family

ID=12946043

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5355581A Pending JPS57168582A (en) 1981-04-09 1981-04-09 Data decoder

Country Status (1)

Country Link
JP (1) JPS57168582A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59200581A (ja) * 1983-04-11 1984-11-13 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン デ−タ圧縮システム及び装置
JPS63138881A (ja) * 1986-11-29 1988-06-10 Hitachi Ltd Ｍｒ符号伸長装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59200581A (ja) * 1983-04-11 1984-11-13 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン デ−タ圧縮システム及び装置
JPS63138881A (ja) * 1986-11-29 1988-06-10 Hitachi Ltd Ｍｒ符号伸長装置
JPH0549149B2 (ja) * 1986-11-29 1993-07-23 Hitachi Ltd

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