JPH0376630B2 - - Google Patents
Info
- Publication number
- JPH0376630B2 JPH0376630B2 JP59279493A JP27949384A JPH0376630B2 JP H0376630 B2 JPH0376630 B2 JP H0376630B2 JP 59279493 A JP59279493 A JP 59279493A JP 27949384 A JP27949384 A JP 27949384A JP H0376630 B2 JPH0376630 B2 JP H0376630B2
- Authority
- JP
- Japan
- Prior art keywords
- block
- mod
- density
- matrix pattern
- pixels
- 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
- 239000011159 matrix material Substances 0.000 claims description 68
- 230000015654 memory Effects 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000003672 processing method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 21
- 238000010586 diagram Methods 0.000 description 9
- 238000007796 conventional method Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
- Editing Of Facsimile Originals (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59279493A JPS61154270A (ja) | 1984-12-26 | 1984-12-26 | 画像処理方法 |
US06/813,050 US4783838A (en) | 1984-12-26 | 1985-12-24 | Image processing method and apparatus therefor |
DE19853546136 DE3546136A1 (de) | 1984-12-26 | 1985-12-27 | Bildverarbeitungsverfahren und -vorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59279493A JPS61154270A (ja) | 1984-12-26 | 1984-12-26 | 画像処理方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60280133A Division JPS61154274A (ja) | 1985-12-11 | 1985-12-11 | 画像復元方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61154270A JPS61154270A (ja) | 1986-07-12 |
JPH0376630B2 true JPH0376630B2 (de) | 1991-12-06 |
Family
ID=17611812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59279493A Granted JPS61154270A (ja) | 1984-12-26 | 1984-12-26 | 画像処理方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61154270A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2615625B2 (ja) * | 1987-06-24 | 1997-06-04 | 富士ゼロックス株式会社 | 画像処理装置 |
US5287209A (en) * | 1990-10-09 | 1994-02-15 | Matsushita Electric Industrial Co., Ltd. | Image forming device for enhancing tone reproduction by changing dot size |
US5337167A (en) * | 1991-04-03 | 1994-08-09 | Matsushita Electric Industrial Co., Ltd. | Halftone image forming apparatus including density based dot enlargement |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5814673A (ja) * | 1981-07-20 | 1983-01-27 | Hitachi Ltd | 階調信号復元方式 |
JPS5825767A (ja) * | 1981-08-07 | 1983-02-16 | Oki Electric Ind Co Ltd | 画像処理装置 |
JPS58221567A (ja) * | 1981-12-28 | 1983-12-23 | Ricoh Co Ltd | 画像処理装置 |
-
1984
- 1984-12-26 JP JP59279493A patent/JPS61154270A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5814673A (ja) * | 1981-07-20 | 1983-01-27 | Hitachi Ltd | 階調信号復元方式 |
JPS5825767A (ja) * | 1981-08-07 | 1983-02-16 | Oki Electric Ind Co Ltd | 画像処理装置 |
JPS58221567A (ja) * | 1981-12-28 | 1983-12-23 | Ricoh Co Ltd | 画像処理装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS61154270A (ja) | 1986-07-12 |
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