MXPA05013089A - Un metodo para reestructurar un grupo de imagenes para proporcionar acceso aleatorio al grupo de imagenes. - Google Patents

Un metodo para reestructurar un grupo de imagenes para proporcionar acceso aleatorio al grupo de imagenes.

Info

Publication number
MXPA05013089A
MXPA05013089A MXPA05013089A MXPA05013089A MXPA05013089A MX PA05013089 A MXPA05013089 A MX PA05013089A MX PA05013089 A MXPA05013089 A MX PA05013089A MX PA05013089 A MXPA05013089 A MX PA05013089A MX PA05013089 A MXPA05013089 A MX PA05013089A
Authority
MX
Mexico
Prior art keywords
pictures
picture
group
current picture
restructuring
Prior art date
Application number
MXPA05013089A
Other languages
English (en)
Inventor
Ajay Luthra
Original Assignee
Gen Instrument Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gen Instrument Corp filed Critical Gen Instrument Corp
Publication of MXPA05013089A publication Critical patent/MXPA05013089A/es

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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/114—Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

La presente invencion es un sistema y metodo para reestructurar un grupo de imagenes de manera tal que proporciona acceso aleatorio al grupo de imagenes sin degradar substancialmente la calidad de servicio del contenido de video. Cuando se codifica una imagen actual, si la imagen actual es una imagen I, se codifica la imagen actual utilizando intra codificacion. Si la imagen actual no es una imagen I, y no es referenciada por futuras imagenes, se comprime la imagen actual utilizando un numero arbitrario de imagenes en el pasado como referencia. Si la imagen actual no es una imagen I, y la imagen actual no es referenciada por imagenes futuras, se comprime la imagen y el numero de imagenes de referencia en el pasado se limita de manera que la imagen anterior a la ultima imagen I no se utilizan como referencia. Este proceso continua hasta la conclusion del grupo de imagenes.
MXPA05013089A 2003-06-03 2004-06-02 Un metodo para reestructurar un grupo de imagenes para proporcionar acceso aleatorio al grupo de imagenes. MXPA05013089A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/453,211 US8175154B2 (en) 2003-06-03 2003-06-03 Method for restructuring a group of pictures to provide for random access into the group of pictures
PCT/US2004/017113 WO2004109582A2 (en) 2003-06-03 2004-06-02 A method for restructuring a group of pictures to provide for random access into the group of pictures

Publications (1)

Publication Number Publication Date
MXPA05013089A true MXPA05013089A (es) 2006-03-09

Family

ID=33489499

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA05013089A MXPA05013089A (es) 2003-06-03 2004-06-02 Un metodo para reestructurar un grupo de imagenes para proporcionar acceso aleatorio al grupo de imagenes.

Country Status (8)

Country Link
US (1) US8175154B2 (es)
EP (1) EP1629416B1 (es)
JP (1) JP4723486B2 (es)
KR (1) KR101057590B1 (es)
CA (1) CA2527946C (es)
MX (1) MXPA05013089A (es)
TW (1) TWI439137B (es)
WO (1) WO2004109582A2 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4678015B2 (ja) * 2007-07-13 2011-04-27 富士通株式会社 動画像符号化装置及び動画像符号化方法
US9706227B2 (en) 2011-03-10 2017-07-11 Qualcomm Incorporated Video coding techniques for coding dependent pictures after random access
US10034018B2 (en) 2011-09-23 2018-07-24 Velos Media, Llc Decoded picture buffer management
US9264717B2 (en) 2011-10-31 2016-02-16 Qualcomm Incorporated Random access with advanced decoded picture buffer (DPB) management in video coding
US9225978B2 (en) * 2012-06-28 2015-12-29 Qualcomm Incorporated Streaming adaption based on clean random access (CRA) pictures

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994029999A1 (en) 1993-06-16 1994-12-22 Gould Kim V W System and method for transmitting video material
US5598514A (en) * 1993-08-09 1997-01-28 C-Cube Microsystems Structure and method for a multistandard video encoder/decoder
JPH07212766A (ja) * 1994-01-18 1995-08-11 Matsushita Electric Ind Co Ltd 動画像圧縮データ切り換え装置
JPH08205174A (ja) * 1995-01-31 1996-08-09 Matsushita Electric Ind Co Ltd 動画像圧縮データ編集方法及びその装置
JPH08242452A (ja) * 1995-03-02 1996-09-17 Matsushita Electric Ind Co Ltd 映像信号圧縮符号化装置
JP3493872B2 (ja) * 1996-02-29 2004-02-03 ソニー株式会社 画像データ処理方法およびその装置
KR100604631B1 (ko) * 1997-07-25 2006-07-28 소니 가부시끼 가이샤 편집 장치, 편집 방법, 재부호화 장치, 재부호화 방법,스플라이싱 장치 및 스플라이싱 방법
KR100266708B1 (ko) * 1997-10-16 2000-09-15 전주범 양방향 예측 픽쳐의 조건부 보충 부호화 방법
JP3905969B2 (ja) * 1998-01-30 2007-04-18 株式会社東芝 動画像符号化装置および動画像符号化方法
JP4005691B2 (ja) * 1998-03-19 2007-11-07 株式会社東芝 動画像符号化方法および動画像符号化装置
US6731684B1 (en) * 1998-09-29 2004-05-04 General Instrument Corporation Method and apparatus for detecting scene changes and adjusting picture coding type in a high definition television encoder
EP1069774A4 (en) * 1999-02-05 2008-09-17 Sony Corp CODING AND DECODING DEVICES AND CORRESPONDING METHODS, ENCODING SYSTEM, AND CORRESPONDING METHOD
EP1098526A3 (en) * 1999-11-02 2004-09-15 Matsushita Electric Industrial Co., Ltd. Video editing apparatus and method
JP3496604B2 (ja) * 1999-12-20 2004-02-16 日本電気株式会社 圧縮画像データ再生装置および圧縮画像データ再生方法
US7266150B2 (en) * 2001-07-11 2007-09-04 Dolby Laboratories, Inc. Interpolation of video compression frames
BRPI0216048B1 (pt) * 2001-10-17 2018-09-25 Matsushita Electric Ind Co Ltd método e aparelho de codificação de figuras móveis
US8406301B2 (en) * 2002-07-15 2013-03-26 Thomson Licensing Adaptive weighting of reference pictures in video encoding

Also Published As

Publication number Publication date
WO2004109582A3 (en) 2005-11-17
EP1629416B1 (en) 2016-08-10
JP4723486B2 (ja) 2011-07-13
TWI439137B (zh) 2014-05-21
US8175154B2 (en) 2012-05-08
US20040247188A1 (en) 2004-12-09
CA2527946A1 (en) 2004-12-16
EP1629416A2 (en) 2006-03-01
JP2006526960A (ja) 2006-11-24
KR101057590B1 (ko) 2011-08-19
CA2527946C (en) 2014-04-08
EP1629416A4 (en) 2011-06-29
WO2004109582A2 (en) 2004-12-16
KR20060024391A (ko) 2006-03-16
TW200503550A (en) 2005-01-16

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