JPS6358425B2 - - Google Patents

Info

Publication number
JPS6358425B2
JPS6358425B2 JP55018731A JP1873180A JPS6358425B2 JP S6358425 B2 JPS6358425 B2 JP S6358425B2 JP 55018731 A JP55018731 A JP 55018731A JP 1873180 A JP1873180 A JP 1873180A JP S6358425 B2 JPS6358425 B2 JP S6358425B2
Authority
JP
Japan
Prior art keywords
pixel
area
image information
level
scanning line
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
JP55018731A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56115078A (en
Inventor
Koichi Ejiri
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 JP1873180A priority Critical patent/JPS56115078A/ja
Publication of JPS56115078A publication Critical patent/JPS56115078A/ja
Publication of JPS6358425B2 publication Critical patent/JPS6358425B2/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)
JP1873180A 1980-02-18 1980-02-18 Coding method of picture information Granted JPS56115078A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1873180A JPS56115078A (en) 1980-02-18 1980-02-18 Coding method of picture information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1873180A JPS56115078A (en) 1980-02-18 1980-02-18 Coding method of picture information

Publications (2)

Publication Number Publication Date
JPS56115078A JPS56115078A (en) 1981-09-10
JPS6358425B2 true JPS6358425B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-11-15

Family

ID=11979808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1873180A Granted JPS56115078A (en) 1980-02-18 1980-02-18 Coding method of picture information

Country Status (1)

Country Link
JP (1) JPS56115078A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS625779A (ja) * 1985-03-04 1987-01-12 Kokusai Denshin Denwa Co Ltd <Kdd> 階調フアクシミリ画像信号の符号化方式

Also Published As

Publication number Publication date
JPS56115078A (en) 1981-09-10

Similar Documents

Publication Publication Date Title
JP2794281B2 (ja) デイザ信号の符号復号処理装置
US4688100A (en) Video data encoding/decoding apparatus
JP4522199B2 (ja) 画像符号化装置及び画像処理装置及びそれらの制御方法、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
JPH07264417A (ja) 画像符号化方法
JPS6358425B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP2000217003A (ja) 符号化装置および復号化装置
JPS63196172A (ja) 画像情報をコード化するための方法及び装置
JPS63182973A (ja) フアクシミリ装置の擬似中間調画像伝送方法
JP2713298B2 (ja) カラー画像信号の復号化装置
JP3259989B2 (ja) ２値と多値の混在符号化画像データ復元方法および装置
JP2001268369A (ja) 画像データ符号化装置、画像データ符号化方法、記録媒体及び画像形成装置
JPH0113673B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP3732329B2 (ja) 疑似中間調画像の符号化装置及び符号化方法
JPS6367394B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH036066Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH01108861A (ja) 画像符号化装置
KR910008524B1 (ko) 팩시밀리의 의사중간조 화상데이터 압축을 위한 블럭패턴 반복 부호화방법
JP2584826B2 (ja) 画像データ処理装置
JP2936042B2 (ja) ２値画像伝送装置
JPS6174455A (ja) ２値画像信号の符号化制御方式
JPH09252408A (ja) 多階調画像の復号装置
JPS6053981B2 (ja) フアクシミリ信号量子化方法
JPS5814674A (ja) 画像符号化方式
JPS6074780A (ja) 符号化装置
JPS63197172A (ja) 予測符号化装置