FR2320017B1 - - Google Patents
Info
- Publication number
- FR2320017B1 FR2320017B1 FR7523621A FR7523621A FR2320017B1 FR 2320017 B1 FR2320017 B1 FR 2320017B1 FR 7523621 A FR7523621 A FR 7523621A FR 7523621 A FR7523621 A FR 7523621A FR 2320017 B1 FR2320017 B1 FR 2320017B1
- Authority
- FR
- France
- 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
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7523621A FR2320017A1 (en) | 1975-07-29 | 1975-07-29 | Reduction of information for image coding - uses transmission of every other point with correlation bit describing untransmitted point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7523621A FR2320017A1 (en) | 1975-07-29 | 1975-07-29 | Reduction of information for image coding - uses transmission of every other point with correlation bit describing untransmitted point |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2320017A1 FR2320017A1 (en) | 1977-02-25 |
| FR2320017B1 true FR2320017B1 (en) | 1981-12-31 |
Family
ID=9158475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7523621A Granted FR2320017A1 (en) | 1975-07-29 | 1975-07-29 | Reduction of information for image coding - uses transmission of every other point with correlation bit describing untransmitted point |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2320017A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4291339A (en) * | 1977-05-16 | 1981-09-22 | Ricoh Company, Ltd. | Facsimile transceiver |
| US4268861A (en) * | 1978-09-18 | 1981-05-19 | Massachusetts Institute Of Technology | Image coding |
| FR2460581A1 (en) * | 1979-07-04 | 1981-01-23 | Thomson Csf | DEVICE FOR SCANNING VIDEOFREQUENCY SIGNALS AND TRANSMITTER EQUIPMENT COMPRISING SUCH A DEVICE |
| CA1171958A (en) * | 1980-02-07 | 1984-07-31 | Robert A. Dischert | Data rate reduction for digital video signals by subsampling and adaptive reconstruction |
| DE3018329C2 (en) * | 1980-05-10 | 1982-09-09 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln | Method for the transmission and reproduction of video scenes, in particular aerial photo scenes, with a reduced frame rate |
| JPH0576233B2 (en) * | 1980-07-23 | 1993-10-22 | Rca Corp | |
| FR2489061A1 (en) * | 1980-08-20 | 1982-02-26 | France Etat | Image digital transmission circuit - samples image and transmits selected samples with restoration of omitted samples in receiver |
| US4340940A (en) * | 1980-08-26 | 1982-07-20 | Rca Corporation | Hardware reduction by truncation of selected number of most significant bits for digital video system using subsampling and adaptive reconstruction |
| GB2084432A (en) * | 1980-09-18 | 1982-04-07 | Sony Corp | Error concealment in digital television signals |
| US4320416A (en) * | 1980-10-15 | 1982-03-16 | Rca Corporation | Technique for optimally encoding digitally encoded video signals |
| DE3211323C2 (en) * | 1982-03-27 | 1984-02-09 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | System for redundancy-reducing digital transmission of television image signals |
| US4605963A (en) * | 1983-08-15 | 1986-08-12 | Rca Corporation | Reduction of control bits for adaptive sub-nyquist encoder |
| JP2829954B2 (en) * | 1987-08-22 | 1998-12-02 | ソニー株式会社 | Apparatus and method for highly efficient encoding of image signal |
| GB0004862D0 (en) * | 2000-02-29 | 2000-04-19 | Blip X Limited | Video compression |
-
1975
- 1975-07-29 FR FR7523621A patent/FR2320017A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2320017A1 (en) | 1977-02-25 |