DE3261118D1 - Method and device for reconstructing an analogue luminance signal from a digital signal - Google Patents
Method and device for reconstructing an analogue luminance signal from a digital signalInfo
- Publication number
- DE3261118D1 DE3261118D1 DE8282400826T DE3261118T DE3261118D1 DE 3261118 D1 DE3261118 D1 DE 3261118D1 DE 8282400826 T DE8282400826 T DE 8282400826T DE 3261118 T DE3261118 T DE 3261118T DE 3261118 D1 DE3261118 D1 DE 3261118D1
- Authority
- DE
- Germany
- Prior art keywords
- reconstructing
- signal
- digital signal
- luminance signal
- analogue luminance
- 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
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
-
- 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
- H04N1/40068—Modification of image resolution, i.e. determining the values of picture elements at new relative positions
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8109240A FR2505588B1 (fr) | 1981-05-08 | 1981-05-08 | Systeme pour la transmission numerique d'information se presentant sous la forme de signaux analogiques |
FR8113482A FR2509557B1 (fr) | 1981-07-09 | 1981-07-09 | Procede pour la recreation d'un signal analogique de luminance a partir d'un signal numerique |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3261118D1 true DE3261118D1 (en) | 1984-12-06 |
Family
ID=26222384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282400826T Expired DE3261118D1 (en) | 1981-05-08 | 1982-05-05 | Method and device for reconstructing an analogue luminance signal from a digital signal |
Country Status (4)
Country | Link |
---|---|
US (1) | US4670792A (de) |
EP (1) | EP0065454B1 (de) |
CA (1) | CA1189181A (de) |
DE (1) | DE3261118D1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4870497A (en) * | 1988-01-22 | 1989-09-26 | American Telephone And Telegraph Company | Progressive transmission of high resolution two-tone facsimile images |
US4952921A (en) * | 1988-06-09 | 1990-08-28 | Rockwell International Corporation | Graphic dot flare apparatus |
US4926267A (en) * | 1989-05-26 | 1990-05-15 | Nynex Corporation | Reproduction of halftone original with reduced moire |
FI20001913A (fi) * | 2000-08-30 | 2002-03-01 | Nokia Mobile Phones Ltd | Menetelmä ja järjestely häiriön vähentämiseksi |
US7645300B2 (en) | 2004-02-02 | 2010-01-12 | Visiogen, Inc. | Injector for intraocular lens system |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2921124A (en) * | 1956-12-10 | 1960-01-12 | Bell Telephone Labor Inc | Method and apparatus for reducing television bandwidth |
US3071727A (en) * | 1961-05-08 | 1963-01-01 | Bell Telephone Labor Inc | Bandwidth reduction system |
US3688039A (en) * | 1969-08-05 | 1972-08-29 | Nippon Electric Co | Digital signal reception system |
US3673322A (en) * | 1970-05-28 | 1972-06-27 | Shintron Co Inc | Facsimile transmission system |
US3678388A (en) * | 1970-12-14 | 1972-07-18 | Us Navy | Ground station system for retransmitting satellite facsimile signals over digital data links |
US3719600A (en) * | 1971-02-08 | 1973-03-06 | Exxon Research Engineering Co | Lubricant composition containing polycarboxylic acid |
US3761610A (en) * | 1971-02-16 | 1973-09-25 | Graphics Sciences Inc | High speed fascimile systems |
JPS5726023B2 (de) * | 1972-10-04 | 1982-06-02 | ||
DE2402513C2 (de) * | 1974-01-19 | 1981-12-17 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur Kompression des Nachrichtenflusses binärcodierter Videosignale |
JPS5816668B2 (ja) * | 1976-11-12 | 1983-04-01 | 富士通株式会社 | フアクシミリ電送方式 |
GB1595446A (en) * | 1976-12-19 | 1981-08-12 | Ricoh Kk | Facsimile transceivers |
DE2729689B1 (de) * | 1977-06-30 | 1978-12-07 | Siemens Ag | Nachrichtenuebertragungssystem |
JPS54150022A (en) * | 1978-05-18 | 1979-11-24 | Ricoh Co Ltd | Method and apparatus for picture encoding reproduction |
US4268861A (en) * | 1978-09-18 | 1981-05-19 | Massachusetts Institute Of Technology | Image coding |
US4266249A (en) * | 1978-09-19 | 1981-05-05 | Bell Telephone Laboratories, Incorporated | Digital encoder for facsimile transmission |
US4349846A (en) * | 1979-04-17 | 1982-09-14 | Ricoh Company, Ltd. | Picture processing method |
US4280144A (en) * | 1979-12-03 | 1981-07-21 | International Business Machines Corporation | Coarse scan/fine print algorithm |
JPS56102853A (en) * | 1980-01-21 | 1981-08-17 | Dainippon Screen Mfg Co Ltd | Metho for pretreating image signal of image copying apparatus |
CH637513A5 (fr) * | 1980-06-16 | 1983-07-29 | Radioelectrique Comp Ind | Appareil pour la reception photographique d'images transmises au moyen d'un signal electrique module. |
US4389677A (en) * | 1980-12-08 | 1983-06-21 | Ncr Canada Ltd - Ncr Canada Ltee | Method and apparatus for removing erroneous elements from digital images |
-
1982
- 1982-04-28 CA CA000401837A patent/CA1189181A/fr not_active Expired
- 1982-05-05 EP EP82400826A patent/EP0065454B1/de not_active Expired
- 1982-05-05 DE DE8282400826T patent/DE3261118D1/de not_active Expired
- 1982-05-07 US US06/376,192 patent/US4670792A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA1189181A (fr) | 1985-06-18 |
EP0065454B1 (de) | 1984-10-31 |
EP0065454A1 (de) | 1982-11-24 |
US4670792A (en) | 1987-06-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |