JPH0232617B2 - - Google Patents
Info
- Publication number
- JPH0232617B2 JPH0232617B2 JP53020805A JP2080578A JPH0232617B2 JP H0232617 B2 JPH0232617 B2 JP H0232617B2 JP 53020805 A JP53020805 A JP 53020805A JP 2080578 A JP2080578 A JP 2080578A JP H0232617 B2 JPH0232617 B2 JP H0232617B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- image
- mixing
- signals
- color
- 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
- 230000007704 transition Effects 0.000 claims description 29
- 238000012937 correction Methods 0.000 claims description 24
- 230000004048 modification Effects 0.000 claims description 23
- 238000012986 modification Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 19
- 230000008859 change Effects 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000011156 evaluation Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims 2
- 230000008569 process Effects 0.000 claims 1
- 238000000844 transformation Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 21
- 230000033458 reproduction Effects 0.000 description 10
- 238000000605 extraction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 230000010076 replication Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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
- H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
-
- 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
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/62—Retouching, i.e. modification of isolated colours only or in isolated picture areas only
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
- Studio Circuits (AREA)
- Fax Reproducing Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772708421 DE2708421C2 (de) | 1977-02-26 | 1977-02-26 | Verfahren zum Mischen von Signalen bei der Druckformherstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS541101A JPS541101A (en) | 1979-01-06 |
JPH0232617B2 true JPH0232617B2 (enrdf_load_stackoverflow) | 1990-07-23 |
Family
ID=6002247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2080578A Granted JPS541101A (en) | 1977-02-26 | 1978-02-24 | Method of mixing video signals in photoengraving |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS541101A (enrdf_load_stackoverflow) |
CH (1) | CH631270A5 (enrdf_load_stackoverflow) |
DE (1) | DE2708421C2 (enrdf_load_stackoverflow) |
FR (1) | FR2382033B1 (enrdf_load_stackoverflow) |
GB (1) | GB1570773A (enrdf_load_stackoverflow) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56152377A (en) * | 1980-04-26 | 1981-11-25 | Canon Inc | Picture reader |
US5216755A (en) * | 1980-12-04 | 1993-06-01 | Quantel Limited | Video image creation system which proportionally mixes previously created image pixel data with currently created data |
US5289566A (en) * | 1980-12-04 | 1994-02-22 | Quantel, Ltd. | Video image creation |
DE3220298A1 (de) * | 1981-06-01 | 1982-12-16 | Canon K.K., Tokyo | Farbbild-lesegeraet |
GB2157121B (en) * | 1982-01-15 | 1986-10-01 | Quantel Ltd | Image composition system |
GB2157122B (en) * | 1982-01-15 | 1986-09-24 | Quantel Ltd | Image composition system |
DE3348092C2 (enrdf_load_stackoverflow) * | 1982-01-15 | 1990-09-13 | Quantel Ltd., Newbury, Berkshire, Gb | |
US4602286A (en) * | 1982-01-15 | 1986-07-22 | Quantel Limited | Video processing for composite images |
GB2119600B (en) * | 1982-04-14 | 1986-04-23 | Fuji Photo Film Co Ltd | Method and apparatus for digital color correction |
JPS5955404A (ja) * | 1982-09-24 | 1984-03-30 | Nitto Electric Ind Co Ltd | カラ−偏光子 |
JPS5990161A (ja) * | 1982-11-16 | 1984-05-24 | Dainippon Ink & Chem Inc | 組合せ画像の形成方法及び装置 |
DE3341371C2 (de) * | 1982-11-16 | 1989-09-21 | Dainippon Ink And Chemicals, Inc., Tokio/Tokyo | Verfahren und Einrichtung zum Erzeugen eines kombinierten Bildsignals |
JPS59133665A (ja) * | 1983-01-19 | 1984-08-01 | Dainippon Ink & Chem Inc | 組合せ画像の形成方法 |
US5459529A (en) * | 1983-01-10 | 1995-10-17 | Quantel, Ltd. | Video processing for composite images |
JPH0671307B2 (ja) * | 1983-03-08 | 1994-09-07 | キヤノン株式会社 | カラ−画像形成法 |
US4682216A (en) * | 1983-03-08 | 1987-07-21 | Canon Kabushiki Kaisha | Color image picture forming process and apparatus which improves the quality of the black portions of the picture |
JPH0614187B2 (ja) * | 1984-10-11 | 1994-02-23 | 株式会社デイ・エス・スキヤナ− | 網点フィルム作成装置 |
ATE54524T1 (de) * | 1986-04-30 | 1990-07-15 | Hell Rudolf Dr Ing Gmbh | Verfahren zur aufzeichnung von druckformen. |
US5175807A (en) * | 1986-12-04 | 1992-12-29 | Quantel Limited | Video signal processing with added probabilistic dither |
EP0270259B1 (en) * | 1986-12-04 | 1995-02-01 | Quantel Limited | Improvements relating to video signal processing systems |
GB2215937A (en) * | 1988-03-23 | 1989-09-27 | Benchmark Technologies | Analog controlled video mixer |
DE4107703C2 (de) * | 1991-03-09 | 1994-07-21 | Hell Ag Linotype | Verfahren und Vorrichtung zur Aufzeichnung gerasterter Bilder |
DE4326874C3 (de) * | 1993-08-11 | 1999-11-25 | Benecke Kaliko Ag | Verfahren zum Gravieren eines Musters in eine Oberfläche eines Werkstücks |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2193869A (en) * | 1937-07-09 | 1940-03-19 | Alfred N Goldsmith | Television control |
US2606245A (en) * | 1948-03-10 | 1952-08-05 | Time Inc | Unsharp mask in electronic color correction |
US2799722A (en) * | 1954-04-26 | 1957-07-16 | Adalia Ltd | Reproduction with localized corrections |
DE1172540B (de) * | 1962-05-05 | 1964-06-18 | Hell Rudolf Dr Ing Fa | Verfahren zum elektronischen Ineinander-kopieren von Teilen verschiedener Bildvorlagen |
US3260952A (en) * | 1964-01-21 | 1966-07-12 | Northern Electric Co | Fader amplifier comprising variable gain transistor circuits |
GB1142384A (en) * | 1966-07-20 | 1969-02-05 | Paul & Ass Ltd K S | Improvements in or relating to photo-electric scanning and image-modifying equipment |
FR1531244A (fr) * | 1966-07-20 | 1968-06-28 | K S Paul And Associates Ltd | Méthode et dispositif électro-optique pour la reproduction des images |
GB1294191A (en) * | 1970-01-28 | 1972-10-25 | Crosfield Electronics Ltd | Improvements relating to apparatus for reproducing coloured images |
DE2226990C3 (de) * | 1972-06-02 | 1976-01-02 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Anordnung zur Verbesserung der Schärfe bei der Aufzeichnung von Halbtonbildern |
GB1400806A (en) * | 1972-12-04 | 1975-07-23 | Crosfield Electronics Ltd | Image reproduction systems |
-
1977
- 1977-02-26 DE DE19772708421 patent/DE2708421C2/de not_active Expired
-
1978
- 1978-01-23 CH CH68078A patent/CH631270A5/de not_active IP Right Cessation
- 1978-02-15 FR FR7804293A patent/FR2382033B1/fr not_active Expired
- 1978-02-21 GB GB690878A patent/GB1570773A/en not_active Expired
- 1978-02-24 JP JP2080578A patent/JPS541101A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
GB1570773A (en) | 1980-07-09 |
DE2708421C2 (de) | 1982-01-14 |
JPS541101A (en) | 1979-01-06 |
FR2382033B1 (fr) | 1987-02-13 |
FR2382033A1 (fr) | 1978-09-22 |
DE2708421A1 (de) | 1978-08-31 |
CH631270A5 (en) | 1982-07-30 |
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