MXPA04007053A - Codificacion de coeficientes de transformacion en codificadores y/o decodificadores de imagenes y video. - Google Patents

Codificacion de coeficientes de transformacion en codificadores y/o decodificadores de imagenes y video.

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Publication number
MXPA04007053A
MXPA04007053A MXPA04007053A MXPA04007053A MXPA04007053A MX PA04007053 A MXPA04007053 A MX PA04007053A MX PA04007053 A MXPA04007053 A MX PA04007053A MX PA04007053 A MXPA04007053 A MX PA04007053A MX PA04007053 A MXPA04007053 A MX PA04007053A
Authority
MX
Mexico
Prior art keywords
variable
symbols
length
variable length
encoded
Prior art date
Application number
MXPA04007053A
Other languages
English (en)
Inventor
Kurceren Ragip
Original Assignee
Nokia 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27615952&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MXPA04007053(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US10/054,610 external-priority patent/US6690307B2/en
Application filed by Nokia Corp filed Critical Nokia Corp
Publication of MXPA04007053A publication Critical patent/MXPA04007053A/es

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • 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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/90—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
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference

Abstract

La invencion se refiere a un metodo de codificacion de longitud variable en el cual un conjunto de simbolos de datos que comprende cierto primer numero de simbolos de datos que tienen un primer valor y cierto segundo numero de simbolos de datos que tienen valores que no son el primer valor, en el cual un conjunto de simbolos que seran codificados por longitud variable se forma del conjunto de simbolos de datos, y se aplica codificacion de longitud variable al conjunto de simbolos que seran codificados por longitud variable. De acuerdo con el metodo, al menos una caracteristica de la codificacion de longitud variable aplicada al conjunto de simbolos que seran codificados por longitud variable se adapta de acuerdo al numero de los simbolos que seran codificados por longitud variable y una indicacion del numero de simbolos codificados por longitud variable se proporciona. De acuerdo con la invencion, la indicacion es una palabra clave de longitud variable representativa del numero de simbolos que seran codificados por longitud variable seleccionado de uno de al menos dos conjuntos alternativos de palabras clave de longitud variable de acuerdo con el numero de simbolos que seran codificados por longitud variable. La invencion se refiere tambien a un metodo de decodificacion de longitud variable correspondiente, asi como a un codificador y decodificador que implementan los metodos de codificacion y decodificacion de longitud variable de acuerdo con la invencion.
MXPA04007053A 2002-01-22 2003-01-22 Codificacion de coeficientes de transformacion en codificadores y/o decodificadores de imagenes y video. MXPA04007053A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/054,610 US6690307B2 (en) 2002-01-22 2002-01-22 Adaptive variable length coding of digital video
US36950002P 2002-04-02 2002-04-02
PCT/FI2003/000056 WO2003063501A1 (en) 2002-01-22 2003-01-22 Coding transform coefficients in image/video encoders and/or decoders

Publications (1)

Publication Number Publication Date
MXPA04007053A true MXPA04007053A (es) 2004-10-11

Family

ID=27615952

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA04007053A MXPA04007053A (es) 2002-01-22 2003-01-22 Codificacion de coeficientes de transformacion en codificadores y/o decodificadores de imagenes y video.

Country Status (10)

Country Link
EP (1) EP1470724B1 (es)
JP (1) JP4510465B2 (es)
KR (1) KR100953677B1 (es)
CN (1) CN1620816A (es)
DE (1) DE60347000C5 (es)
ES (1) ES2529344T3 (es)
MX (1) MXPA04007053A (es)
RU (1) RU2354073C2 (es)
WO (1) WO2003063501A1 (es)
ZA (1) ZA200405535B (es)

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CN100584013C (zh) 2005-01-07 2010-01-20 日本电信电话株式会社 视频编码方法及装置、视频解码方法及装置
US8275045B2 (en) 2006-07-12 2012-09-25 Qualcomm Incorporated Video compression using adaptive variable length codes
US8565314B2 (en) 2006-10-12 2013-10-22 Qualcomm Incorporated Variable length coding table selection based on block type statistics for refinement coefficient coding
US8599926B2 (en) 2006-10-12 2013-12-03 Qualcomm Incorporated Combined run-length coding of refinement and significant coefficients in scalable video coding enhancement layers
US9319700B2 (en) 2006-10-12 2016-04-19 Qualcomm Incorporated Refinement coefficient coding based on history of corresponding transform coefficient values
US8325819B2 (en) 2006-10-12 2012-12-04 Qualcomm Incorporated Variable length coding table selection based on video block type for refinement coefficient coding
US8335261B2 (en) 2007-01-08 2012-12-18 Qualcomm Incorporated Variable length coding techniques for coded block patterns
US8467449B2 (en) 2007-01-08 2013-06-18 Qualcomm Incorporated CAVLC enhancements for SVC CGS enhancement layer coding
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EP2124455A4 (en) 2007-03-14 2010-08-11 Nippon Telegraph & Telephone METHOD AND DEVICE FOR MOTION VEHICLE SEARCH, PROGRAM THEREFOR AND RECORDING MEDIUM WITH THIS PROGRAM
EP2120460B1 (en) 2007-03-14 2018-04-11 Nippon Telegraph and Telephone Corporation Quantization control method, device, program, and recording medium containing the program
KR101083383B1 (ko) 2007-03-14 2011-11-14 니폰덴신뎅와 가부시키가이샤 부호화 비트 레이트 제어 방법 및 장치, 그 프로그램 및 프로그램을 기록한 기록매체
WO2008111511A1 (ja) 2007-03-14 2008-09-18 Nippon Telegraph And Telephone Corporation 符号量推定方法、装置、そのプログラムおよび記録媒体
US8428133B2 (en) 2007-06-15 2013-04-23 Qualcomm Incorporated Adaptive coding of video block prediction mode
US8571104B2 (en) 2007-06-15 2013-10-29 Qualcomm, Incorporated Adaptive coefficient scanning in video coding
KR100842042B1 (ko) * 2007-07-16 2008-06-30 충남대학교산학협력단 암호화된 실행코드에 대하여 동적으로 복호화할 수 있게 한코드블록 암호화 방법
RU2463728C2 (ru) * 2007-10-15 2012-10-10 Квэлкомм Инкорпорейтед Усовершенствованное кодирование улучшающего слоя для масштабируемого кодирования видео
US8848787B2 (en) 2007-10-15 2014-09-30 Qualcomm Incorporated Enhancement layer coding for scalable video coding
US8902972B2 (en) 2008-04-11 2014-12-02 Qualcomm Incorporated Rate-distortion quantization for context-adaptive variable length coding (CAVLC)
BRPI0904324A2 (pt) * 2008-06-27 2015-06-30 Sony Corp Dispositivo de processamento de imagem, e, método de processamento de imagem
WO2009157581A1 (ja) * 2008-06-27 2009-12-30 ソニー株式会社 画像処理装置及び画像処理方法
US8457425B2 (en) * 2009-06-09 2013-06-04 Sony Corporation Embedded graphics coding for images with sparse histograms
JP2011024066A (ja) * 2009-07-17 2011-02-03 Sony Corp 画像処理装置および方法
KR101456498B1 (ko) * 2009-08-14 2014-10-31 삼성전자주식회사 계층적 부호화 단위의 스캔 순서를 고려한 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
KR101768207B1 (ko) * 2010-01-19 2017-08-16 삼성전자주식회사 축소된 예측 움직임 벡터의 후보들에 기초해 움직임 벡터를 부호화, 복호화하는 방법 및 장치
US20120082230A1 (en) * 2010-10-01 2012-04-05 Qualcomm Incorporated Variable length coding of video block coefficients
US9490839B2 (en) 2011-01-03 2016-11-08 Qualcomm Incorporated Variable length coding of video block coefficients
US20120230418A1 (en) 2011-03-08 2012-09-13 Qualcomm Incorporated Coding of transform coefficients for video coding
US20120230396A1 (en) * 2011-03-11 2012-09-13 Mitsubishi Electric Research Laboratories, Inc. Method for Embedding Decoding Information in Quantized Transform Coefficients
CN102231832B (zh) * 2011-06-24 2013-04-24 北京瀚景锦河科技有限公司 变长码编解码方法和系统
US20130083856A1 (en) * 2011-06-29 2013-04-04 Qualcomm Incorporated Contexts for coefficient level coding in video compression
US9516316B2 (en) 2011-06-29 2016-12-06 Qualcomm Incorporated VLC coefficient coding for large chroma block
US9338456B2 (en) 2011-07-11 2016-05-10 Qualcomm Incorporated Coding syntax elements using VLC codewords
US10306229B2 (en) 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US10623774B2 (en) 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
US11323748B2 (en) 2018-12-19 2022-05-03 Qualcomm Incorporated Tree-based transform unit (TU) partition for video coding
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Also Published As

Publication number Publication date
DE60347000C5 (de) 2020-08-06
CN1620816A (zh) 2005-05-25
RU2354073C2 (ru) 2009-04-27
RU2004125588A (ru) 2006-01-27
WO2003063501A1 (en) 2003-07-31
KR100953677B1 (ko) 2010-04-20
EP1470724A1 (en) 2004-10-27
ES2529344T3 (es) 2015-02-19
KR20040077754A (ko) 2004-09-06
EP1470724B1 (en) 2014-11-19
ZA200405535B (en) 2005-05-25
JP2005516497A (ja) 2005-06-02
JP4510465B2 (ja) 2010-07-21

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