JPS57106274A - Method for compression in multilevel picture data - Google Patents

Method for compression in multilevel picture data

Info

Publication number
JPS57106274A
JPS57106274A JP55182559A JP18255980A JPS57106274A JP S57106274 A JPS57106274 A JP S57106274A JP 55182559 A JP55182559 A JP 55182559A JP 18255980 A JP18255980 A JP 18255980A JP S57106274 A JPS57106274 A JP S57106274A
Authority
JP
Japan
Prior art keywords
density level
section
code
scanning steps
change
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
JP55182559A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0123033B2 (enrdf_load_stackoverflow
Inventor
Yoshitoshi Yamauchi
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 JP55182559A priority Critical patent/JPS57106274A/ja
Publication of JPS57106274A publication Critical patent/JPS57106274A/ja
Publication of JPH0123033B2 publication Critical patent/JPH0123033B2/ja
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
JP55182559A 1980-12-23 1980-12-23 Method for compression in multilevel picture data Granted JPS57106274A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55182559A JPS57106274A (en) 1980-12-23 1980-12-23 Method for compression in multilevel picture data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55182559A JPS57106274A (en) 1980-12-23 1980-12-23 Method for compression in multilevel picture data

Publications (2)

Publication Number Publication Date
JPS57106274A true JPS57106274A (en) 1982-07-02
JPH0123033B2 JPH0123033B2 (enrdf_load_stackoverflow) 1989-04-28

Family

ID=16120383

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55182559A Granted JPS57106274A (en) 1980-12-23 1980-12-23 Method for compression in multilevel picture data

Country Status (1)

Country Link
JP (1) JPS57106274A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993002528A1 (en) * 1991-07-19 1993-02-04 Sony Corporation Coding and decoding device for time-varying image

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993002528A1 (en) * 1991-07-19 1993-02-04 Sony Corporation Coding and decoding device for time-varying image

Also Published As

Publication number Publication date
JPH0123033B2 (enrdf_load_stackoverflow) 1989-04-28

Similar Documents

Publication Publication Date Title
JPS64878A (en) Picture data compressing method
EP2154681A3 (en) Method and apparatus for speech decoding
EP1096802A3 (en) Device and method for predicting and encoding image, device and method for predicting and decoding image, and recording medium
EP0888010A3 (en) Image encoding method and apparatus
EP0225181A3 (en) High efficiency coding apparatus
EP0383331A3 (en) Color document image processing apparatus
JPS57164662A (en) Compression system for multilevel signal
ES8309046A1 (es) Un dispositivo portador de registro dotado de una estructurade informacion
EP0364261A3 (en) Highly efficient coding apparatus
JPS57106274A (en) Method for compression in multilevel picture data
JPS57106275A (en) Method for compression of multilevel picture data
JPS57106273A (en) Method for compression of multilevel picture data
JPS57106272A (en) Method for compression of multilevel picture data
JPS56109085A (en) Decoder for adaptive prediction for picture signal
JPS56115078A (en) Coding method of picture information
JPS5561171A (en) Tone code system for facsimile signal
JPS6337724A (ja) 符号化伝送装置
JPS5728472A (en) Picture information coding method
JPS561668A (en) Data compressing system for picture input/output device
JPS5728473A (en) Picture information coding method
JPH0113673B2 (enrdf_load_stackoverflow)
JPS5687982A (en) Coding system of picture signal
JPS561661A (en) Reading method
JPS57181261A (en) Picture information storage device
JPS5778278A (en) Video coding method