ES2069846T3 - Procedimiento de tratamiento de una señal video. - Google Patents
Procedimiento de tratamiento de una señal video.Info
- Publication number
- ES2069846T3 ES2069846T3 ES91401814T ES91401814T ES2069846T3 ES 2069846 T3 ES2069846 T3 ES 2069846T3 ES 91401814 T ES91401814 T ES 91401814T ES 91401814 T ES91401814 T ES 91401814T ES 2069846 T3 ES2069846 T3 ES 2069846T3
- Authority
- ES
- Spain
- Prior art keywords
- blocks
- data
- blocks containing
- video signal
- port
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/74—Circuits for processing colour signals for obtaining special effects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/04—Colour television systems using pulse code modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color Television Systems (AREA)
- Processing Of Color Television Signals (AREA)
- Television Systems (AREA)
Abstract
LA PRESENTE INVENCION SE REFIERE A UN PROCESO DE TRATAMIENTO DE UNA SEÑAL DE VIDEO CODIFICADA EN FORMA DE BLOQUES DE K PALABRAS, ESTANDO ESCRITO DICHA SEÑAL EN O LEIDA A PARTIR DE DOS MEMORIAS DE TRAMA (FM1, FM2) QUE COMPRENDEN CADA UNA UN PUERTO DE ENTRADA, UN PUERTO DE SALIDA DE VELOCIDAD RAPIDA Y UN PUERTO DE SALIDA DE VELOCIDAD LENTA. SEGUN ESTE PROCESO, LA SEÑAL DE VIDEO NUMERICA EN LA ENTRADA SE FORMA POR CONJUNTOS DE M'' BLOQUES CON N'' BLOQUES QUE CONTIENEN DATOS DE LUMINOSIDAD (Y1, Y2,...) Y M''-N'' BLOQUES QUE CONTIENEN DATOS DE CROMINANCIA (C1, C2,...), ESTANDO INSCRITOS LOS BLOQUES QUE CONTIENEN LOS DATOS DE CROMINANCIA (C1) EN LA PRIMERA MEMORIA (FM1) Y LOS BLOQUES QUE CONTIENEN LOS DATOS DE CROMINANCIA (Y1) INSCRITOS EN LA SEGUNDA MEMORIA (FM2), ESTANDO INVERTIDAS EN CADA TRAMA LAS MEMORIAS. A CONTINUACION LOS BLOQUES QUE CONTIENEN LOS DATOS DE LUMINOSIDAD Y LOS BLOQUES QUE CONTIENEN LOS DATOS DE CROMINANCIA SON LEIDOS SIMULTANEAMENTE EN EL PUERTO DE SALIDA DE VELOCIDAD RAPIDA DECADA MEMORIA, ESTANDO INVERTIDAS EN CADA TRAMO LAS MEMORIAS, Y LOS DATOS SON EVENTUALMENTE TRATADOS DE MANERA A OBTENER EN LA SALIDA DE LOS DATOS DE VIDEO QUE PRESENTAN UNA RELACION DE COMPRESION DE M/N CON M > N. APLICACION EN LA TELEVISION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9008951A FR2664779B1 (fr) | 1990-07-13 | 1990-07-13 | Procede de traitement d'un signal video. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2069846T3 true ES2069846T3 (es) | 1995-05-16 |
Family
ID=9398691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91401814T Expired - Lifetime ES2069846T3 (es) | 1990-07-13 | 1991-07-02 | Procedimiento de tratamiento de una señal video. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5488432A (es) |
EP (1) | EP0466554B1 (es) |
JP (1) | JPH04255196A (es) |
KR (1) | KR920003741A (es) |
DE (1) | DE69106794T2 (es) |
ES (1) | ES2069846T3 (es) |
FR (1) | FR2664779B1 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5861894A (en) | 1993-06-24 | 1999-01-19 | Discovision Associates | Buffer manager |
CA2145365C (en) | 1994-03-24 | 1999-04-27 | Anthony M. Jones | Method for accessing banks of dram |
CA2145361C (en) | 1994-03-24 | 1999-09-07 | Martin William Sotheran | Buffer manager |
US5798719A (en) | 1994-07-29 | 1998-08-25 | Discovision Associates | Parallel Huffman decoder |
JP3508119B2 (ja) * | 1995-06-20 | 2004-03-22 | ソニー株式会社 | 画面表示領域判別装置 |
US6005546A (en) * | 1996-03-21 | 1999-12-21 | S3 Incorporated | Hardware assist for YUV data format conversion to software MPEG decoder |
US5907372A (en) * | 1996-06-28 | 1999-05-25 | Hitachi, Ltd. | Decoding/displaying device for decoding/displaying coded picture data generated by high efficiency coding for interlace scanning picture format |
JP3449142B2 (ja) | 1996-12-06 | 2003-09-22 | 松下電器産業株式会社 | 画像縮小装置およびその制御方法 |
GB9704027D0 (en) * | 1997-02-26 | 1997-04-16 | Discovision Ass | Memory manager for mpeg decoder |
US6118823A (en) * | 1997-04-01 | 2000-09-12 | International Business Machines Corporation | Control scheme for shared-use dual-port predicted error array |
US6724758B1 (en) * | 1999-12-20 | 2004-04-20 | Cisco Technology, Inc. | Stage specific dilation in multi-stage interconnection networks |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2644706C3 (de) * | 1976-10-04 | 1985-12-05 | Robert Bosch Gmbh, 7000 Stuttgart | System zur Übertragung bzw. Speicherung eines Farbfernsehsignals |
JPS5848591A (ja) * | 1981-09-18 | 1983-03-22 | Matsushita Electric Ind Co Ltd | 画像メモリ−制御装置 |
US4864402A (en) * | 1986-06-20 | 1989-09-05 | Sony Corporation | Video memory |
EP0334932A1 (de) * | 1987-09-30 | 1989-10-04 | Deutsche Thomson-Brandt GmbH | Schaltungsanordnung zur bearbeitung von videokomponenten |
EP0309875A3 (de) * | 1987-09-30 | 1991-02-06 | Deutsche Thomson-Brandt GmbH | Demultiplexer |
JPH01292984A (ja) * | 1988-05-20 | 1989-11-27 | Sony Corp | 映像信号の方式変換装置 |
EP0371270B1 (en) * | 1988-10-31 | 1994-01-05 | Nec Corporation | Image size reduction circuit for reducing ordinary-sized image into smaller area |
-
1990
- 1990-07-13 FR FR9008951A patent/FR2664779B1/fr not_active Expired - Fee Related
-
1991
- 1991-07-02 EP EP91401814A patent/EP0466554B1/fr not_active Expired - Lifetime
- 1991-07-02 ES ES91401814T patent/ES2069846T3/es not_active Expired - Lifetime
- 1991-07-02 DE DE69106794T patent/DE69106794T2/de not_active Expired - Fee Related
- 1991-07-10 KR KR1019910011654A patent/KR920003741A/ko not_active Application Discontinuation
- 1991-07-15 JP JP3200088A patent/JPH04255196A/ja active Pending
-
1994
- 1994-12-21 US US08/361,172 patent/US5488432A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0466554B1 (fr) | 1995-01-18 |
US5488432A (en) | 1996-01-30 |
EP0466554A1 (fr) | 1992-01-15 |
FR2664779A1 (fr) | 1992-01-17 |
DE69106794T2 (de) | 1995-08-24 |
JPH04255196A (ja) | 1992-09-10 |
FR2664779B1 (fr) | 1993-06-11 |
KR920003741A (ko) | 1992-02-29 |
DE69106794D1 (de) | 1995-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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