JPS6253107B2 - - Google Patents

Info

Publication number
JPS6253107B2
JPS6253107B2 JP56195940A JP19594081A JPS6253107B2 JP S6253107 B2 JPS6253107 B2 JP S6253107B2 JP 56195940 A JP56195940 A JP 56195940A JP 19594081 A JP19594081 A JP 19594081A JP S6253107 B2 JPS6253107 B2 JP S6253107B2
Authority
JP
Japan
Prior art keywords
luminance signal
pixel
signal
bits
residual
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
JP56195940A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5896459A (ja
Inventor
Yoshihiro Uno
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP56195940A priority Critical patent/JPS5896459A/ja
Publication of JPS5896459A publication Critical patent/JPS5896459A/ja
Publication of JPS6253107B2 publication Critical patent/JPS6253107B2/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
    • H04N1/40—Picture signal circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Input (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP56195940A 1981-12-04 1981-12-04 画像輝度信号の量子化方法 Granted JPS5896459A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56195940A JPS5896459A (ja) 1981-12-04 1981-12-04 画像輝度信号の量子化方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56195940A JPS5896459A (ja) 1981-12-04 1981-12-04 画像輝度信号の量子化方法

Publications (2)

Publication Number Publication Date
JPS5896459A JPS5896459A (ja) 1983-06-08
JPS6253107B2 true JPS6253107B2 (lv) 1987-11-09

Family

ID=16349495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56195940A Granted JPS5896459A (ja) 1981-12-04 1981-12-04 画像輝度信号の量子化方法

Country Status (1)

Country Link
JP (1) JPS5896459A (lv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0428721Y2 (lv) * 1986-06-13 1992-07-13

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074772A (ja) * 1983-09-29 1985-04-27 Matsushita Electric Ind Co Ltd 多値画像情報の量子化方法
JPS6139778A (ja) * 1984-07-31 1986-02-25 Seiko Epson Corp 画像２値化処理方法
US4638373A (en) * 1985-03-06 1987-01-20 Metromedia, Inc. Method and apparatus for improving gray scale resolution in an ink jet printing system
JPH06103922B2 (ja) * 1987-07-24 1994-12-14 松下電器産業株式会社 画像信号処理装置
JPH01264076A (ja) * 1988-04-14 1989-10-20 Dainippon Screen Mfg Co Ltd 分割露光化網点画像記録装置
JPH02153676A (ja) * 1988-12-05 1990-06-13 Pfu Ltd 中間調処理回路
JPH03139964A (ja) * 1989-10-25 1991-06-14 Nec Corp ファクシミリ装置の画像信号回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560957A (en) * 1966-01-26 1971-02-02 Hitachi Ltd Signal conversion systems with storage and correction of quantization error
JPS56101276A (en) * 1980-01-17 1981-08-13 Fuji Photo Film Co Ltd Signal processing system for contrast picture

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560957A (en) * 1966-01-26 1971-02-02 Hitachi Ltd Signal conversion systems with storage and correction of quantization error
JPS56101276A (en) * 1980-01-17 1981-08-13 Fuji Photo Film Co Ltd Signal processing system for contrast picture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0428721Y2 (lv) * 1986-06-13 1992-07-13

Also Published As

Publication number Publication date
JPS5896459A (ja) 1983-06-08

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