JPH0435102B2 - - Google Patents
Info
- Publication number
- JPH0435102B2 JPH0435102B2 JP59154386A JP15438684A JPH0435102B2 JP H0435102 B2 JPH0435102 B2 JP H0435102B2 JP 59154386 A JP59154386 A JP 59154386A JP 15438684 A JP15438684 A JP 15438684A JP H0435102 B2 JPH0435102 B2 JP H0435102B2
- Authority
- JP
- Japan
- Prior art keywords
- image signal
- correction amount
- ranking
- signal level
- 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.)
- Expired - Lifetime
Links
- 238000004364 calculation method Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 description 11
- 230000033458 reproduction Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Facsimile Image Signal Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15438684A JPS6132654A (ja) | 1984-07-25 | 1984-07-25 | 画像信号処理装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15438684A JPS6132654A (ja) | 1984-07-25 | 1984-07-25 | 画像信号処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6132654A JPS6132654A (ja) | 1986-02-15 |
JPH0435102B2 true JPH0435102B2 (fr) | 1992-06-10 |
Family
ID=15582998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15438684A Granted JPS6132654A (ja) | 1984-07-25 | 1984-07-25 | 画像信号処理装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6132654A (fr) |
-
1984
- 1984-07-25 JP JP15438684A patent/JPS6132654A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6132654A (ja) | 1986-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4692811A (en) | Apparatus for processing image signal | |
US4939589A (en) | Process for recording semihalftone images and device for conversion of image dot tonal value data | |
JP3810835B2 (ja) | 誤差拡散とハーフトーン処理を利用する画像処理方法 | |
JP3698541B2 (ja) | 擬似階調画像処理装置 | |
JP3648142B2 (ja) | ディジタルコピー装置の画像の改良方法および装置 | |
JPH0435105B2 (fr) | ||
EP0206401A1 (fr) | Procédé pour l'agrandissement/réduction d'une image en demi-teintes | |
JPH0435102B2 (fr) | ||
JP2920635B2 (ja) | 画像処理装置 | |
JPH0435103B2 (fr) | ||
JPH0435104B2 (fr) | ||
JP2891775B2 (ja) | ハーフトーン原画像の網目スクリーン化のためのデジタル化濃度限界値生成及び記憶方法 | |
JPH0354917B2 (fr) | ||
JPH04428B2 (fr) | ||
JPH0354916B2 (fr) | ||
JPH04429B2 (fr) | ||
JPH0354915B2 (fr) | ||
JP3287717B2 (ja) | 画像処理装置 | |
JPH0354914B2 (fr) | ||
JPH0462507B2 (fr) | ||
JPH0129349B2 (fr) | ||
JP3399341B2 (ja) | 画像処理方法および画像処理装置 | |
JPH042034B2 (fr) | ||
JPH06101788B2 (ja) | 画像信号処理装置 | |
JPH02107064A (ja) | 画像信号処理装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |