JPS57171847A - Digital communication system - Google Patents
Digital communication systemInfo
- Publication number
- JPS57171847A JPS57171847A JP56183190A JP18319081A JPS57171847A JP S57171847 A JPS57171847 A JP S57171847A JP 56183190 A JP56183190 A JP 56183190A JP 18319081 A JP18319081 A JP 18319081A JP S57171847 A JPS57171847 A JP S57171847A
- Authority
- JP
- Japan
- Prior art keywords
- communication system
- digital communication
- digital
- communication
- 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.)
- Granted
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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8024603A FR2494529B1 (fr) | 1980-11-17 | 1980-11-17 | Systeme de transmission numerique a codage adaptatif d'informations analogiques echantillonnees et transformees par transformation orthogonale |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2270631A Division JPH03205930A (ja) | 1980-11-17 | 1990-10-11 | デジタル信号復号化回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57171847A true JPS57171847A (en) | 1982-10-22 |
| JPH0316812B2 JPH0316812B2 (enExample) | 1991-03-06 |
Family
ID=9248151
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56183190A Granted JPS57171847A (en) | 1980-11-17 | 1981-11-17 | Digital communication system |
| JP2270631A Granted JPH03205930A (ja) | 1980-11-17 | 1990-10-11 | デジタル信号復号化回路 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2270631A Granted JPH03205930A (ja) | 1980-11-17 | 1990-10-11 | デジタル信号復号化回路 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4434499A (enExample) |
| EP (1) | EP0053064B1 (enExample) |
| JP (2) | JPS57171847A (enExample) |
| DE (1) | DE3171260D1 (enExample) |
| FR (1) | FR2494529B1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3750853T2 (de) * | 1986-01-27 | 1995-05-18 | Fuji Photo Film Co Ltd | Verfahren zur Bildsignalkodierung mittels Orthogonal-Transformation. |
| DE3787298T2 (de) * | 1986-01-27 | 1994-01-05 | Fuji Photo Film Co Ltd | Verfahren zur Bildsignalkodierung mittels Orthogonaltransformation. |
| FR2636802B1 (fr) * | 1988-09-19 | 1993-10-22 | Etat Francais Cnet | Procede de quantification a seuil variable dans un codage par transformation pour la transmission de signaux d'image |
| DE69225621T2 (de) * | 1991-01-17 | 1998-11-12 | Mitsubishi Electric Corp | Vorrichtung zur Kodierung eines Videosignals |
| JP2904986B2 (ja) * | 1992-01-31 | 1999-06-14 | 日本放送協会 | 直交周波数分割多重ディジタル信号送信装置および受信装置 |
| US5311524A (en) * | 1992-08-27 | 1994-05-10 | Unisys Corporation | Fault tolerant three port communications module |
| US5862182A (en) * | 1996-07-30 | 1999-01-19 | Lucent Technologies Inc. | OFDM digital communications system using complementary codes |
| US5841813A (en) * | 1996-09-04 | 1998-11-24 | Lucent Technologies Inc. | Digital communications system using complementary codes and amplitude modulation |
| EP1790789A1 (en) * | 2005-11-28 | 2007-05-30 | Bartoli N.V. | Building system, beam element, column and method |
| CN111882478B (zh) * | 2020-08-04 | 2022-04-29 | 鲁东大学 | 基于Slant变换的空域自适应彩色图像盲水印方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2625973C3 (de) | 1976-06-10 | 1981-12-24 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren und Anordnung zur redundanzvermindernden Transformation von Bildern |
| DE2640157C2 (de) | 1976-09-07 | 1982-10-07 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren und Anordnung zum redundanzvermindernden Codieren von Bildern |
| FR2396479A1 (fr) * | 1977-06-30 | 1979-01-26 | Cit Alcatel | Installation de transmission de fac-simile a reduction de redondance |
| US4189748A (en) * | 1977-08-23 | 1980-02-19 | Northrop Corporation | Video bandwidth reduction system using a two-dimensional transformation, and an adaptive filter with error correction |
| US4266249A (en) | 1978-09-19 | 1981-05-05 | Bell Telephone Laboratories, Incorporated | Digital encoder for facsimile transmission |
| JPS5654479A (en) | 1979-10-12 | 1981-05-14 | Hitachi Ltd | Picture image data processor |
-
1980
- 1980-11-17 FR FR8024603A patent/FR2494529B1/fr not_active Expired
-
1981
- 1981-11-13 US US06/321,005 patent/US4434499A/en not_active Expired - Lifetime
- 1981-11-16 DE DE8181401800T patent/DE3171260D1/de not_active Expired
- 1981-11-16 EP EP81401800A patent/EP0053064B1/fr not_active Expired
- 1981-11-17 JP JP56183190A patent/JPS57171847A/ja active Granted
-
1990
- 1990-10-11 JP JP2270631A patent/JPH03205930A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0053064A1 (fr) | 1982-06-02 |
| EP0053064B1 (fr) | 1985-07-03 |
| FR2494529A1 (fr) | 1982-05-21 |
| JPH048975B2 (enExample) | 1992-02-18 |
| US4434499A (en) | 1984-02-28 |
| FR2494529B1 (fr) | 1986-02-07 |
| DE3171260D1 (en) | 1985-08-08 |
| JPH03205930A (ja) | 1991-09-09 |
| JPH0316812B2 (enExample) | 1991-03-06 |
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