CR20160423A - Codificación de nivel de coeficiente en un proceso de codificación de video - Google Patents

Codificación de nivel de coeficiente en un proceso de codificación de video

Info

Publication number
CR20160423A
CR20160423A CR20160423A CR20160423A CR20160423A CR 20160423 A CR20160423 A CR 20160423A CR 20160423 A CR20160423 A CR 20160423A CR 20160423 A CR20160423 A CR 20160423A CR 20160423 A CR20160423 A CR 20160423A
Authority
CR
Costa Rica
Prior art keywords
coding
code word
golomb
suffix
prefix
Prior art date
Application number
CR20160423A
Other languages
English (en)
Spanish (es)
Inventor
Marta Karczewicz
Rajan Laxman; Joshi
Original Assignee
Quallcomm Incorporated
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 Quallcomm Incorporated filed Critical Quallcomm Incorporated
Publication of CR20160423A publication Critical patent/CR20160423A/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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/10—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
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/1887—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a variable length codeword
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
CR20160423A 2014-03-14 2015-03-13 Codificación de nivel de coeficiente en un proceso de codificación de video CR20160423A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201461953659P 2014-03-14 2014-03-14
US201461954404P 2014-03-17 2014-03-17
US14/656,071 US9930348B2 (en) 2014-03-14 2015-03-12 Coefficient level coding in a video coding process
PCT/US2015/020462 WO2015138911A1 (en) 2014-03-14 2015-03-13 Coefficient level coding in a video coding process

Publications (1)

Publication Number Publication Date
CR20160423A true CR20160423A (es) 2016-12-20

Family

ID=54070437

Family Applications (1)

Application Number Title Priority Date Filing Date
CR20160423A CR20160423A (es) 2014-03-14 2015-03-13 Codificación de nivel de coeficiente en un proceso de codificación de video

Country Status (13)

Country Link
US (1) US9930348B2 (OSRAM)
EP (1) EP3117525B1 (OSRAM)
JP (1) JP6527877B2 (OSRAM)
KR (1) KR102352638B1 (OSRAM)
CN (1) CN106105040B (OSRAM)
CR (1) CR20160423A (OSRAM)
DO (1) DOP2016000246A (OSRAM)
GT (1) GT201600184A (OSRAM)
MX (1) MX363891B (OSRAM)
NI (1) NI201600135A (OSRAM)
SV (1) SV2016005283A (OSRAM)
TW (1) TWI666916B (OSRAM)
WO (1) WO2015138911A1 (OSRAM)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2521828A (en) * 2013-12-23 2015-07-08 Sony Corp Data encoding and decoding
US10313684B2 (en) 2014-06-20 2019-06-04 Qualcomm Incorporated Copy from previous rows for palette mode coding
US10142629B2 (en) * 2015-12-28 2018-11-27 Mediatek Inc. Method and apparatus for entropy coding in image compression
US10602192B2 (en) * 2016-02-04 2020-03-24 Mediatek Inc. Methods and apparatuses for performing entropy encoding and entropy decoding with size determination of at least one bitstream portion
US20170311003A1 (en) * 2016-04-20 2017-10-26 Mediatek Inc. Method and apparatus for performing entropy encoding with sign data removal and associated method and apparatus for performing entropy decoding with sign data recovery
WO2017195666A1 (ja) * 2016-05-13 2017-11-16 ソニー株式会社 画像処理装置および方法
CN117119195A (zh) 2018-03-29 2023-11-24 弗劳恩霍夫应用研究促进协会 变换系数块编码
EP3777187B1 (en) * 2018-04-04 2025-12-10 Kakadu R & D Pty Ltd A further improved method and apparatus for image compression
EP3691272A4 (en) 2018-09-20 2021-03-10 LG Electronics Inc. CONVERSION FACTOR LEVEL CODING PROCESS, AND ASSOCIATED DEVICE
CN114390281B (zh) * 2018-11-12 2023-09-08 Lg电子株式会社 图像解码方法、图像编码方法和数据发送方法
US11477486B2 (en) * 2019-01-02 2022-10-18 Qualcomm Incorporated Escape coding for coefficient levels
US10728555B1 (en) 2019-02-06 2020-07-28 Sony Corporation Embedded codec (EBC) circuitry for position dependent entropy coding of residual level data
KR102639936B1 (ko) * 2019-03-08 2024-02-22 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 처리에서 모델-기반 변형에 대한 제약들
CN113711590B (zh) 2019-04-18 2024-04-19 北京字节跳动网络技术有限公司 减少跨分量模式中的延迟
WO2020216246A1 (en) 2019-04-23 2020-10-29 Beijing Bytedance Network Technology Co., Ltd. Methods for cross component dependency reduction
WO2020218581A1 (ja) * 2019-04-24 2020-10-29 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法、および復号方法
CN117221558A (zh) 2019-05-08 2023-12-12 北京字节跳动网络技术有限公司 跨分量编解码的适用性条件
CN117478908A (zh) 2019-06-22 2024-01-30 北京字节跳动网络技术有限公司 色度残差缩放的语法元素
CN117395396A (zh) 2019-07-07 2024-01-12 北京字节跳动网络技术有限公司 色度残差缩放的信令通知
CN119299725A (zh) * 2019-08-31 2025-01-10 Lg 电子株式会社 图像编译系统中残差数据编译的图像解码方法及其装置
CN114788277A (zh) * 2019-09-24 2022-07-22 北京达佳互联信息技术有限公司 残差和系数编解码的方法和装置
CA3153767A1 (en) * 2019-09-25 2021-04-01 Panasonic Intellectual Property Corporation Of America Encoder, decoder, encoding method, and decoding method
KR102626260B1 (ko) * 2019-10-01 2024-01-17 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 잔차 및 계수 코딩 방법 및 장치
WO2021071188A1 (ko) * 2019-10-07 2021-04-15 엘지전자 주식회사 비디오/영상 코딩 시스템에서 엔트로피 코딩 방법 및 장치
US12015779B2 (en) 2019-10-07 2024-06-18 Lg Electronics Inc. Method and apparatus for deriving rice parameter in video/image coding system
WO2021118310A1 (ko) * 2019-12-13 2021-06-17 주식회사 케이티 비디오 신호 처리 방법 및 장치
US11228763B2 (en) * 2019-12-26 2022-01-18 Qualcomm Incorporated Residual coding to support both lossy and lossless coding
US20210203963A1 (en) * 2019-12-27 2021-07-01 Qualcomm Incorporated Equation-based rice parameter derivation for regular transform coefficients in video coding
GB2593543B (en) * 2020-03-27 2023-04-19 Canon Kk Video coding and decoding
CN115086656B (zh) * 2021-03-14 2025-03-28 腾讯科技（深圳）有限公司 视频编解码方法、装置、计算机可读介质及电子设备
CN116074499B (zh) 2021-11-11 2024-10-29 杭州海康威视数字技术股份有限公司 一种视频编解码方法及装置
US12407836B2 (en) 2022-02-08 2025-09-02 Synaptics Incorporated Lossless compression for low-latency video transmission in resource-constrained encoding environment
EP4633157A1 (en) * 2024-04-08 2025-10-15 InterDigital CE Patent Holdings, SAS Method and apparatus for encoding/decoding with exponential golomb coding

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4468858B2 (ja) * 2005-06-01 2010-05-26 オリンパスイメージング株式会社 データ符号化装置、データ符号化方法、プログラム
KR100718134B1 (ko) * 2005-07-21 2007-05-14 삼성전자주식회사 비트율에 적응적인 영상 데이터 이진 산술 부호화/복호화장치 및 방법
US20100150242A1 (en) * 2007-04-11 2010-06-17 Panasonic Corporation Image data decoding device and image data decoding method
KR101391601B1 (ko) * 2007-10-15 2014-05-07 삼성전자주식회사 최적의 임계치를 이용한 지수 골롬 이진화에 의한 영상부호화 방법 및 그 장치, 및 영상 복호화 방법 및 그 장치
JP4819940B2 (ja) * 2009-12-04 2011-11-24 株式会社日立国際電気 動画像符号化装置
US9288496B2 (en) * 2010-12-03 2016-03-15 Qualcomm Incorporated Video coding using function-based scan order for transform coefficients
US10499059B2 (en) * 2011-03-08 2019-12-03 Velos Media, Llc Coding of transform coefficients for video coding
CN105357540B (zh) * 2011-06-28 2019-09-06 三星电子株式会社 对视频进行解码的方法
WO2013070974A2 (en) * 2011-11-08 2013-05-16 General Instrument Corporation Method of determining binary codewords for transform coefficients
SG11201408361TA (en) * 2012-06-22 2015-01-29 Panasonic Ip Corp America Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
BR112015015122A2 (pt) * 2012-12-27 2017-07-11 Nec Corp dispositivo de codificação de vídeo, método de codificação de vídeo e programa de codificação de vídeo

Also Published As

Publication number Publication date
US20150264362A1 (en) 2015-09-17
DOP2016000246A (es) 2016-12-30
CN106105040A (zh) 2016-11-09
CN106105040B (zh) 2019-11-19
KR102352638B1 (ko) 2022-01-17
JP2017514349A (ja) 2017-06-01
EP3117525A1 (en) 2017-01-18
JP6527877B2 (ja) 2019-06-05
US9930348B2 (en) 2018-03-27
WO2015138911A1 (en) 2015-09-17
MX363891B (es) 2019-04-05
GT201600184A (es) 2018-11-27
TW201547256A (zh) 2015-12-16
NI201600135A (es) 2016-11-18
MX2016011599A (es) 2016-12-09
EP3117525B1 (en) 2022-08-17
SV2016005283A (es) 2017-04-24
KR20160133509A (ko) 2016-11-22
TWI666916B (zh) 2019-07-21

Similar Documents

Publication Publication Date Title
DOP2016000246A (es) Codificación del nivel de coeficiente en un proceso de codificación de video
CY1121765T1 (el) Μεθοδος για αποκωδικοποιηση με εντροπια τμηματος τεμαχιου
CL2017002268A1 (es) Descodificación de secuencias de bits de audio con metadatos de replicación de banda espectral mejorada en al menos un elemento de relleno
CL2017000822A1 (es) Canales de señalizacion para codificación escalable de datos de audio ambisónicos de orden superior
AR092816A1 (es) Codificacion de indicadores de bloques codificados
AR110439A1 (es) Método de codificación de vídeo, método de decodificación de vídeo, dispositivo de codificación de vídeo y dispositivo de decodificación de vídeo
CL2016002184A1 (es) Conmutacion adaptativa de espacios de color, frecuencias de muestreo de color y/o profundidades de bits
AR099836A1 (es) Dispositivo codificador de audio y un dispositivo decodificador de audio con codificación de ganancia eficiente en el control de rango dinámico
PH12014502044A1 (en) Deriving context for last position coding for video coding
MX2015009838A (es) Dispositivo para el procesamiento de datos y metodo para el procesamiento de datos.
MX2015009839A (es) Dispositivo de procesamiento de datos y metodo de procesamiento de datos.
MX378589B (es) Codificador de revision de paridad de baja densidad que tiene una longitud de 64800 y un indice de codigo de 3/15 y metodo de codificacion de revision de paridad de baja densidad que utiliza el mismo.
MX2017010997A (es) Dispositivo de perforacion de paridad para la codificacion de informacion de señalizacion de longitud fija y metodo de perforacion de paridad que lo utiliza.
MX2017010999A (es) Dispositivo de perforacion de paridad para la codificacion de informacion de señalizacion de longitud variable y metodo de perforacion de paridad que lo utiliza.
MX2023006113A (es) Metodo y dispositivo de codificacion de video, metodo y dispositivo de descodificacion de video.
MX2024012465A (es) Codificador, decodificador, metodo de codificacion y metodo de decodificacion
ES2698119R1 (es) Aparato de codificación para el procesamiento de una señal de entrada y aparato de decodificación para el procesamiento de una señal codificada
MX374566B (es) Codificador de revision de paridad de baja densidad que tiene una longitud de 16200 y un indice de codigo de 3/15 y metodo de codificacion de revision de paridad de baja densidad que utiliza el mismo.
MX371419B (es) Codificador de revision de paridad de baja densidad que tiene una longitud de 16200 y un indice de codigo de 2/15 y metodo de codificacion de revision de paridad de baja densidad que utiliza el mismo.
MX2015009939A (es) Dispositivo de procesamiento de datos y metodo de procesamiento de datos.
MX2019008668A (es) Transmisor y metodo de repeticion del mismo.
MX2014012118A (es) Codificador de revision de paridad de baja densidad que tiene una longitud de 64800 y un indice de codigo de 4/15 y metodo de codificacion de revision de paridad de baja densidad que utiliza el mismo.
AR110436A1 (es) Método de codificación de vídeo, método de decodificación de vídeo, dispositivo de codificación de vídeo y dispositivo de decodificación de vídeo
EP3776952A4 (en) CODE WORD BINARY ELEMENT SELECTION DESTINED FOR RATE-COMPATIBLE POLAR CODING
AR103572A1 (es) Codificación de píxeles de escape para codificación por paleta