JPS58215169A - 画信号の２値化装置 - Google Patents

画信号の２値化装置

Info

Publication number
JPS58215169A
JPS58215169A JP57099026A JP9902682A JPS58215169A JP S58215169 A JPS58215169 A JP S58215169A JP 57099026 A JP57099026 A JP 57099026A JP 9902682 A JP9902682 A JP 9902682A JP S58215169 A JPS58215169 A JP S58215169A
Authority
JP
Japan
Prior art keywords
adder
error
luminance value
value
pixel
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
JP57099026A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0354511B2 (enrdf_load_stackoverflow
Inventor
Hideki Morita
秀樹 森田
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP57099026A priority Critical patent/JPS58215169A/ja
Publication of JPS58215169A publication Critical patent/JPS58215169A/ja
Publication of JPH0354511B2 publication Critical patent/JPH0354511B2/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)
  • Facsimile Image Signal Circuits (AREA)
  • Image Input (AREA)
JP57099026A 1982-06-08 1982-06-08 画信号の２値化装置 Granted JPS58215169A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57099026A JPS58215169A (ja) 1982-06-08 1982-06-08 画信号の２値化装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57099026A JPS58215169A (ja) 1982-06-08 1982-06-08 画信号の２値化装置

Publications (2)

Publication Number Publication Date
JPS58215169A true JPS58215169A (ja) 1983-12-14
JPH0354511B2 JPH0354511B2 (enrdf_load_stackoverflow) 1991-08-20

Family

ID=14235759

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57099026A Granted JPS58215169A (ja) 1982-06-08 1982-06-08 画信号の２値化装置

Country Status (1)

Country Link
JP (1) JPS58215169A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60231274A (ja) * 1984-05-02 1985-11-16 Seiko Epson Corp 平均誤差最小法を用いた高速画像処理装置
JPS6152777A (ja) * 1984-08-21 1986-03-15 Seiko Epson Corp 平均誤差最小法を用いた高速画像処理装置
JPS61194580A (ja) * 1985-02-25 1986-08-28 Nippon Telegr & Teleph Corp <Ntt> 濃淡画像の２値化方法
JPS63155956A (ja) * 1986-12-19 1988-06-29 Matsushita Electric Ind Co Ltd 画像信号処理装置
JPH02100463A (ja) * 1988-10-06 1990-04-12 Fuji Xerox Co Ltd 中間調画像形成装置
US5621542A (en) * 1994-01-20 1997-04-15 Canon Kabushiki Kaisha Image processing apparatus and method with weighting of error data generated in quantization
US7339698B1 (en) 1998-07-02 2008-03-04 Canon Kabushiki Kaisha Image processing method and apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5668833A (en) * 1979-11-09 1981-06-09 Fujitsu Ltd Shift process system by multiplier
JPS579170A (en) * 1980-06-19 1982-01-18 Ricoh Co Ltd Method and apparatus for picture processing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5668833A (en) * 1979-11-09 1981-06-09 Fujitsu Ltd Shift process system by multiplier
JPS579170A (en) * 1980-06-19 1982-01-18 Ricoh Co Ltd Method and apparatus for picture processing

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60231274A (ja) * 1984-05-02 1985-11-16 Seiko Epson Corp 平均誤差最小法を用いた高速画像処理装置
JPS6152777A (ja) * 1984-08-21 1986-03-15 Seiko Epson Corp 平均誤差最小法を用いた高速画像処理装置
JPS61194580A (ja) * 1985-02-25 1986-08-28 Nippon Telegr & Teleph Corp <Ntt> 濃淡画像の２値化方法
JPS63155956A (ja) * 1986-12-19 1988-06-29 Matsushita Electric Ind Co Ltd 画像信号処理装置
JPH02100463A (ja) * 1988-10-06 1990-04-12 Fuji Xerox Co Ltd 中間調画像形成装置
US5621542A (en) * 1994-01-20 1997-04-15 Canon Kabushiki Kaisha Image processing apparatus and method with weighting of error data generated in quantization
US7339698B1 (en) 1998-07-02 2008-03-04 Canon Kabushiki Kaisha Image processing method and apparatus

Also Published As

Publication number Publication date
JPH0354511B2 (enrdf_load_stackoverflow) 1991-08-20

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