ES2721514T3 - Procedimiento de codificación de imágenes en movimiento y procedimiento de decodificación de imágenes en movimiento - Google Patents
Procedimiento de codificación de imágenes en movimiento y procedimiento de decodificación de imágenes en movimiento Download PDFInfo
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- ES2721514T3 ES2721514T3 ES17199506T ES17199506T ES2721514T3 ES 2721514 T3 ES2721514 T3 ES 2721514T3 ES 17199506 T ES17199506 T ES 17199506T ES 17199506 T ES17199506 T ES 17199506T ES 2721514 T3 ES2721514 T3 ES 2721514T3
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- 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
- H04N19/103—Selection of coding mode or of prediction mode
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- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Un procedimiento de codificación y decodificación de imágenes que incluye un procedimiento de codificación de imágenes para codificar una imagen B objetivo de imágenes plurales que constituyen una imagen en movimiento para generar datos codificados correspondientes a la imagen B objetivo y un procedimiento de decodificación de imágenes para decodificar un flujo de bits correspondiente a una imagen B codificada, en el que dicho procedimiento de codificación de imágenes comprende: una etapa de codificación de, cuando se codifica una imagen B objetivo a codificar, codificar cada bloque en la imagen B objetivo en un modo de codificación entre codificación de modo I, en el que un bloque en la imagen B objetivo se codifica sin hacer referencia a otras imágenes, codificación de modo P, en la que un bloque en la imagen B objetivo se codifica de forma predictiva con referencia a una imagen ya codificada, y la codificación de modo B en la que un bloque en la imagen B objetivo se codifica de manera predictiva con referencia a dos imágenes ya codificadas, para generar los primeros datos codificados, caracterizado por una etapa de codificación de información de imagen candidata de información de codificación, que indica si la imagen B objetivo es o no un candidato para una imagen de referencia al codificar una imagen que sigue a la imagen B objetivo, para generar segundos datos codificados, una etapa de codificación de información de imagen de referencia, en la codificación de modo P en la que un bloque en la imagen B objetivo se codifica de forma predictiva, determinando, como una imagen de referencia, una imagen entre imágenes ya codificadas, cada una de las cuales se indica como candidato para una imagen de referencia, y codificar la información que indica que la imagen determinada es la imagen de referencia en la codificación de modo P para generar terceros datos codificados, y en la codificación de modo B en la que un bloque en la imagen B objetivo se codifica de forma predictiva, determinando, como una imagen de referencia, dos imágenes entre imágenes ya codificadas, cada una de las cuales se indica como candidato para una imagen de referencia, y codificar la información que indica que las dos imágenes determinadas son las imágenes de referencia en la codificación de modo B para generar terceros datos codificados, y una etapa de multiplexación de multiplexar los primeros datos codificados, los segundos datos codificados, y los terceros datos codificados para generar los datos codificados correspondientes a la imagen B de objetivo, y en el que dicho procedimiento de decodificación de imágenes comprende: una etapa de decodificación de, cuando se decodifica una imagen B objetivo a decodificar, recibir primeros datos codificados en el flujo de bits correspondiente a una imagen B codificada y decodificar cada bloque en la imagen B objetivo en un modo de decodificación entre decodificación de modo I, en el que un bloque en la imagen B objetivo se decodifica sin hacer referencia a otras imágenes, decodificación en modo P, en la que un bloque en la imagen B objetivo se decodifica de forma predictiva con referencia a una imagen ya decodificada, y el modo B de decodificación en el que un bloque en la imagen B objetivo se decodifica predictivamente con referencia a dos imágenes ya decodificadas para recuperar cada bloque en la imagen B objetivo, caracterizado por una etapa de decodificación de información de imagen candidata de (i) recibir segundos datos codificados en el flujo de bits y (ii) información de decodificación, que indica si la imagen B objetivo es o no un candidato para una imagen de referencia al decodificar una imagen que sigue a la imagen B objetivo, para obtener información que indique que la imagen B objetivo es un candidato para una imagen de referencia o información que indica que la imagen B objetivo no es un candidato para una imagen de referencia, una etapa de decodificación de información de imagen de referencia de (i) recibir terceros datos codificados en el flujo de bits y (ii) en la decodificación en modo P en la que un bloque en la imagen B objetivo se decodifica de manera predictiva, determinando, como una imagen de referencia, una imagen entre imágenes ya decodificadas, cada una de las cuales se indica como candidato para una imagen de referencia, y (iii) en la decodificación de modo B en la que un bloque en la imagen B objetivo se decodifica de forma predictiva, determinando, como una imagen de referencia, dos imágenes entre imágenes ya decodificadas, cada una de las cuales se indica como candidato para una imagen de referencia.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001340698 | 2001-11-06 | ||
| JP2001373311 | 2001-12-06 | ||
| JP2001388466 | 2001-12-20 | ||
| JP2002012117 | 2002-01-21 | ||
| JP2002118598 | 2002-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2721514T3 true ES2721514T3 (es) | 2019-08-01 |
Family
ID=27532030
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES17199599T Expired - Lifetime ES2725714T3 (es) | 2001-11-06 | 2002-11-06 | Procedimiento de codificación de imágenes en movimiento y procedimiento de decodificación de imágenes en movimiento |
| ES16171956.2T Expired - Lifetime ES2687176T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES02780003.6T Expired - Lifetime ES2602202T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES17199506T Expired - Lifetime ES2721514T3 (es) | 2001-11-06 | 2002-11-06 | Procedimiento de codificación de imágenes en movimiento y procedimiento de decodificación de imágenes en movimiento |
| ES10186123.5T Expired - Lifetime ES2602575T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES08166965.7T Expired - Lifetime ES2601356T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES16182966.8T Expired - Lifetime ES2661697T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES16182963.5T Expired - Lifetime ES2661591T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES10186098.9T Expired - Lifetime ES2608453T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES16182959.3T Expired - Lifetime ES2665693T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES17199599T Expired - Lifetime ES2725714T3 (es) | 2001-11-06 | 2002-11-06 | Procedimiento de codificación de imágenes en movimiento y procedimiento de decodificación de imágenes en movimiento |
| ES16171956.2T Expired - Lifetime ES2687176T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES02780003.6T Expired - Lifetime ES2602202T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
Family Applications After (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES10186123.5T Expired - Lifetime ES2602575T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES08166965.7T Expired - Lifetime ES2601356T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES16182966.8T Expired - Lifetime ES2661697T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES16182963.5T Expired - Lifetime ES2661591T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES10186098.9T Expired - Lifetime ES2608453T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| ES16182959.3T Expired - Lifetime ES2665693T3 (es) | 2001-11-06 | 2002-11-06 | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
Country Status (13)
| Country | Link |
|---|---|
| US (17) | US7782936B2 (es) |
| EP (15) | EP3310050B1 (es) |
| KR (6) | KR100976285B1 (es) |
| CN (2) | CN1484922A (es) |
| AU (1) | AU2002343215C1 (es) |
| BR (3) | BRPI0206305B1 (es) |
| CA (2) | CA2432453C (es) |
| DK (3) | DK2271110T3 (es) |
| ES (10) | ES2725714T3 (es) |
| MX (2) | MXPA03006080A (es) |
| PT (3) | PT1445960T (es) |
| TR (4) | TR201802625T4 (es) |
| WO (2) | WO2003041385A2 (es) |
Families Citing this family (85)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2725714T3 (es) * | 2001-11-06 | 2019-09-26 | Panasonic Ip Corp America | Procedimiento de codificación de imágenes en movimiento y procedimiento de decodificación de imágenes en movimiento |
| KR100693669B1 (ko) * | 2003-03-03 | 2007-03-09 | 엘지전자 주식회사 | 피일드 매크로 블록의 레퍼런스 픽쳐 결정 방법 |
| CN1225127C (zh) * | 2003-09-12 | 2005-10-26 | 中国科学院计算技术研究所 | 一种用于视频编码的编码端/解码端双向预测方法 |
| FR2860678A1 (fr) * | 2003-10-01 | 2005-04-08 | Thomson Licensing Sa | Procede de codage differentiel |
| CN1321534C (zh) * | 2003-12-31 | 2007-06-13 | 中国科学院计算技术研究所 | 固定参考帧数编码方式下获取图像参考块的方法 |
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| KR100506864B1 (ko) | 2002-10-04 | 2005-08-05 | 엘지전자 주식회사 | 모션벡터 결정방법 |
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| KR20080026010A (ko) * | 2006-09-19 | 2008-03-24 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩을 이용한 데이터 전송 방법 및이를 구현하는 송수신 장치 |
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2002
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