JPS58173972A - 画像処理装置 - Google Patents

画像処理装置

Info

Publication number
JPS58173972A
JPS58173972A JP57056964A JP5696482A JPS58173972A JP S58173972 A JPS58173972 A JP S58173972A JP 57056964 A JP57056964 A JP 57056964A JP 5696482 A JP5696482 A JP 5696482A JP S58173972 A JPS58173972 A JP S58173972A
Authority
JP
Japan
Prior art keywords
matrix
output
image
color
threshold
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
JP57056964A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0359623B2 (enrdf_load_html_response
Inventor
Naoto Kawamura
尚登 河村
Hidejiro Kadowaki
門脇　秀次郎
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP57056964A priority Critical patent/JPS58173972A/ja
Priority to GB08309174A priority patent/GB2120896B/en
Priority to DE3312273A priority patent/DE3312273C3/de
Priority to FR838305617A priority patent/FR2524744B1/fr
Publication of JPS58173972A publication Critical patent/JPS58173972A/ja
Priority to GB08523272A priority patent/GB2163318B/en
Priority to US06/881,492 priority patent/US4783837A/en
Publication of JPH0359623B2 publication Critical patent/JPH0359623B2/ja
Priority to US08/326,343 priority patent/US5712929A/en
Priority to US08/476,683 priority patent/US5666444A/en
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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • H04N1/4058—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern with details for producing a halftone screen at an oblique angle

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color, Gradation (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Dot-Matrix Printers And Others (AREA)
JP57056964A 1982-04-06 1982-04-06 画像処理装置 Granted JPS58173972A (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP57056964A JPS58173972A (ja) 1982-04-06 1982-04-06 画像処理装置
GB08309174A GB2120896B (en) 1982-04-06 1983-04-05 Half-tone facsimile system
DE3312273A DE3312273C3 (de) 1982-04-06 1983-04-05 Bildverarbeitungsgerät
FR838305617A FR2524744B1 (fr) 1982-04-06 1983-04-06 Appareil de traitement d'images
GB08523272A GB2163318B (en) 1982-04-06 1985-09-20 Half-tone facsimile system
US06/881,492 US4783837A (en) 1982-04-06 1986-07-01 Image processing apparatus
US08/326,343 US5712929A (en) 1982-04-06 1994-10-20 Image processing apparatus
US08/476,683 US5666444A (en) 1982-04-06 1995-06-07 Image processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57056964A JPS58173972A (ja) 1982-04-06 1982-04-06 画像処理装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP1089130A Division JPH0685560B2 (ja) 1989-04-06 1989-04-06 画像処理装置

Publications (2)

Publication Number Publication Date
JPS58173972A true JPS58173972A (ja) 1983-10-12
JPH0359623B2 JPH0359623B2 (enrdf_load_html_response) 1991-09-11

Family

ID=13042210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57056964A Granted JPS58173972A (ja) 1982-04-06 1982-04-06 画像処理装置

Country Status (1)

Country Link
JP (1) JPS58173972A (enrdf_load_html_response)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60138569A (ja) * 1983-12-27 1985-07-23 Fujitsu Ltd 多色記録装置
JPS61166230A (ja) * 1985-01-17 1986-07-26 Sony Corp ビデオ信号処理回路
JPS6242668A (ja) * 1985-08-20 1987-02-24 Canon Inc 画像処理装置
JPH08172540A (ja) * 1994-12-19 1996-07-02 Nec Corp カラープリンタの色補正方法
US6172767B1 (en) 1996-11-15 2001-01-09 Minolta Co., Ltd. Multi-color image forming apparatus and multi-color image forming method
JP2015131405A (ja) * 2014-01-10 2015-07-23 セイコーエプソン株式会社 印刷制御装置、プログラム、及び、画像処理方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60138569A (ja) * 1983-12-27 1985-07-23 Fujitsu Ltd 多色記録装置
JPS61166230A (ja) * 1985-01-17 1986-07-26 Sony Corp ビデオ信号処理回路
JPS6242668A (ja) * 1985-08-20 1987-02-24 Canon Inc 画像処理装置
JPH08172540A (ja) * 1994-12-19 1996-07-02 Nec Corp カラープリンタの色補正方法
US6172767B1 (en) 1996-11-15 2001-01-09 Minolta Co., Ltd. Multi-color image forming apparatus and multi-color image forming method
JP2015131405A (ja) * 2014-01-10 2015-07-23 セイコーエプソン株式会社 印刷制御装置、プログラム、及び、画像処理方法

Also Published As

Publication number Publication date
JPH0359623B2 (enrdf_load_html_response) 1991-09-11

Similar Documents

Publication Publication Date Title
US4783837A (en) Image processing apparatus
US4674861A (en) Image processing apparatus
JPH0359622B2 (enrdf_load_html_response)
US5463471A (en) Method and system of color halftone reproduction
JPH0775397B2 (ja) 画像処理装置
JP2644666B2 (ja) 印刷装置
JPS58173972A (ja) 画像処理装置
JPS58173973A (ja) 画像処理装置
JPS5911067A (ja) カラ−画像再現方法
JPH027667A (ja) 画像処理装置
US5666444A (en) Image processing apparatus
JPH06113113A (ja) 画像形成装置
JPS63180269A (ja) 画像処理方法
JPS59189782A (ja) 画像処理装置
JPH0628277Y2 (ja) カラ−画像出力装置
JP3003133B2 (ja) イメージ外形線抽出装置
JP3096042B2 (ja) カラー画像読取装置
JPS62149270A (ja) 閾値マトリクス発生装置
JPH02224463A (ja) 画像処理装置
JPS6016068A (ja) 画像処理装置
JPS6250979A (ja) 画像処理装置
JPH10123772A (ja) 画像形成装置
JP3147234B2 (ja) カラー画像読取装置
JP2958965B2 (ja) 画像処理装置
JPH0515107B2 (enrdf_load_html_response)