JPH0354511B2 - - Google Patents
Info
- Publication number
- JPH0354511B2 JPH0354511B2 JP57099026A JP9902682A JPH0354511B2 JP H0354511 B2 JPH0354511 B2 JP H0354511B2 JP 57099026 A JP57099026 A JP 57099026A JP 9902682 A JP9902682 A JP 9902682A JP H0354511 B2 JPH0354511 B2 JP H0354511B2
- Authority
- JP
- Japan
- Prior art keywords
- pixel
- value
- interest
- brightness value
- error
- 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 - Lifetime
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)
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 JPS58215169A (ja) | 1983-12-14 |
JPH0354511B2 true 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) |
Families Citing this family (7)
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 |
JPH0614374B2 (ja) * | 1985-02-25 | 1994-02-23 | 日本電信電話株式会社 | 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 |
JP2000022951A (ja) | 1998-07-02 | 2000-01-21 | Canon Inc | 画像処理方法及び装置 |
Family Cites Families (2)
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 |
-
1982
- 1982-06-08 JP JP57099026A patent/JPS58215169A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58215169A (ja) | 1983-12-14 |
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