BR112021017453A2 - Inicialização de probabilidade para codificação de vídeo - Google Patents

Inicialização de probabilidade para codificação de vídeo

Info

Publication number
BR112021017453A2
BR112021017453A2 BR112021017453A BR112021017453A BR112021017453A2 BR 112021017453 A2 BR112021017453 A2 BR 112021017453A2 BR 112021017453 A BR112021017453 A BR 112021017453A BR 112021017453 A BR112021017453 A BR 112021017453A BR 112021017453 A2 BR112021017453 A2 BR 112021017453A2
Authority
BR
Brazil
Prior art keywords
context
value
entropy
video encoding
initialization
Prior art date
Application number
BR112021017453A
Other languages
English (en)
Portuguese (pt)
Inventor
Amir Said
Jie Dong
Marta Karczewicz
Vadim Seregin
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112021017453A2 publication Critical patent/BR112021017453A2/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BR112021017453A 2019-03-12 2020-03-12 Inicialização de probabilidade para codificação de vídeo BR112021017453A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962817475P 2019-03-12 2019-03-12
US201962834297P 2019-04-15 2019-04-15
US201962871519P 2019-07-08 2019-07-08
US16/816,016 US11178399B2 (en) 2019-03-12 2020-03-11 Probability initialization for video coding
PCT/US2020/022355 WO2020186038A1 (en) 2019-03-12 2020-03-12 Probability initialization for video coding

Publications (1)

Publication Number Publication Date
BR112021017453A2 true BR112021017453A2 (pt) 2021-11-16

Family

ID=72422810

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021017453A BR112021017453A2 (pt) 2019-03-12 2020-03-12 Inicialização de probabilidade para codificação de vídeo

Country Status (17)

Country Link
US (1) US11178399B2 (https=)
EP (1) EP3939326A1 (https=)
JP (1) JP7419389B2 (https=)
KR (1) KR20210133976A (https=)
CN (1) CN113632491B (https=)
AU (1) AU2020235096B2 (https=)
BR (1) BR112021017453A2 (https=)
CL (1) CL2021002385A1 (https=)
CO (1) CO2021011814A2 (https=)
IL (1) IL285919B2 (https=)
MX (1) MX2021011102A (https=)
MY (1) MY208520A (https=)
PH (1) PH12021552101A1 (https=)
SA (1) SA521430253B1 (https=)
SG (1) SG11202109363QA (https=)
WO (1) WO2020186038A1 (https=)
ZA (1) ZA202107664B (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113905233B (zh) * 2021-09-30 2024-04-30 安谋科技(中国)有限公司 基于音频视频编码标准的熵解码方法、可读介质及其电子设备
US12445614B2 (en) * 2022-02-07 2025-10-14 Tencent America LLC Adaptive context-based adaptive binary arithmetic coding (CABAC) initial state selection from coded pictures
MX2024010448A (es) 2022-04-05 2024-09-05 Samsung Electronics Co Ltd Dispositivo para codificacion y decodificacion por entropia y metodo para el mismo.
WO2023195643A1 (ko) * 2022-04-05 2023-10-12 삼성전자 주식회사 엔트로피 부호화 및 복호화 장치 및 그 방법
WO2024005659A1 (en) * 2022-06-30 2024-01-04 Huawei Technologies Co., Ltd. Adaptive selection of entropy coding parameters
KR20250126047A (ko) * 2023-01-13 2025-08-22 엘지전자 주식회사 포인트 클라우드 데이터 송신 장치, 포인트 클라우드 데이터 송신 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법
US20240348782A1 (en) * 2023-04-13 2024-10-17 Alibaba Innovation Private Limited Methods for context-based video coding
WO2026005571A1 (ko) * 2024-06-28 2026-01-02 현대자동차주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
WO2026011579A1 (zh) * 2024-07-10 2026-01-15 海信视像科技股份有限公司 基于帧间预测的编解码方法、装置、芯片及存储介质

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL3343781T3 (pl) * 2011-06-16 2022-03-28 Ge Video Compression, Llc Inicjalizacja kontekstu w kodowaniu entropijnym
UA114674C2 (uk) * 2011-07-15 2017-07-10 ДЖ.І. ВІДІЕУ КЕМПРЕШН, ЛЛСі Ініціалізація контексту в ентропійному кодуванні
US9800870B2 (en) * 2011-09-16 2017-10-24 Qualcomm Incorporated Line buffer reduction for short distance intra-prediction
US20130114691A1 (en) * 2011-11-03 2013-05-09 Qualcomm Incorporated Adaptive initialization for context adaptive entropy coding
US9484952B2 (en) * 2011-11-03 2016-11-01 Qualcomm Incorporated Context state and probability initialization for context adaptive entropy coding
US9654772B2 (en) * 2012-01-19 2017-05-16 Qualcomm Incorporated Context adaptive entropy coding with a reduced initialization value set
WO2014006854A1 (en) * 2012-07-01 2014-01-09 Sharp Kabushiki Kaisha Device for signaling a long-term reference picture in a parameter set
US20140092985A1 (en) * 2012-09-28 2014-04-03 Sharp Laboratories Of America, Inc. Content initialization for enhancement layer coding
US10148961B2 (en) * 2015-05-29 2018-12-04 Qualcomm Incorporated Arithmetic coder with multiple window sizes
US11233998B2 (en) 2015-05-29 2022-01-25 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design
ES2736374B1 (es) * 2015-09-11 2021-03-05 Kt Corp Procedimiento y dispositivo para realizar intrapredicción durante la codificación o decodificación de un vídeo
US10652588B2 (en) 2015-09-21 2020-05-12 Vid Scale, Inc. Inverse reshaping for high dynamic range video coding
CN108702509B (zh) * 2016-02-25 2023-10-31 株式会社Kt 用于处理视频信号的方法和设备
US10616582B2 (en) * 2016-09-30 2020-04-07 Qualcomm Incorporated Memory and bandwidth reduction of stored data in image/video coding
US11284080B2 (en) * 2016-12-30 2022-03-22 Telefonaktiebolaget Lm Ericsson (Publ) Decoded picture buffer management for handling cross-picture data prediction
US11184636B2 (en) * 2017-06-28 2021-11-23 Sharp Kabushiki Kaisha Video encoding device and video decoding device
JP2021005741A (ja) * 2017-09-14 2021-01-14 シャープ株式会社 画像符号化装置及び画像復号装置
US10869062B2 (en) 2017-12-21 2020-12-15 Qualcomm Incorporated Probability initialization and signaling for adaptive arithmetic coding in video coding
US10841577B2 (en) 2018-02-08 2020-11-17 Electronics And Telecommunications Research Institute Method and apparatus for video encoding and video decoding based on neural network
WO2019191646A1 (en) 2018-03-29 2019-10-03 Arris Enterprises Llc System and method for deblocking hdr content
KR102635047B1 (ko) * 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
JP2020150516A (ja) * 2019-03-15 2020-09-17 シャープ株式会社 画像復号装置及び画像符号化装置
US11516489B2 (en) * 2019-06-24 2022-11-29 Tencent America LLC Method and apparatus for video coding

Also Published As

Publication number Publication date
SA521430253B1 (ar) 2024-10-01
MX2021011102A (es) 2021-10-22
KR20210133976A (ko) 2021-11-08
IL285919B2 (en) 2024-07-01
CN113632491A (zh) 2021-11-09
CN113632491B (zh) 2024-10-29
EP3939326A1 (en) 2022-01-19
JP2022524056A (ja) 2022-04-27
WO2020186038A1 (en) 2020-09-17
IL285919B1 (en) 2024-03-01
JP7419389B2 (ja) 2024-01-22
CA3131883A1 (en) 2020-09-17
AU2020235096A1 (en) 2021-09-30
SG11202109363QA (en) 2021-09-29
CL2021002385A1 (es) 2022-06-17
CO2021011814A2 (es) 2021-09-30
ZA202107664B (en) 2025-01-29
IL285919A (en) 2021-10-31
US20200296378A1 (en) 2020-09-17
AU2020235096B2 (en) 2025-09-04
US11178399B2 (en) 2021-11-16
MY208520A (en) 2025-05-14
PH12021552101A1 (en) 2022-05-30

Similar Documents

Publication Publication Date Title
BR112021017453A2 (pt) Inicialização de probabilidade para codificação de vídeo
BR112017025612A2 (pt) codificador aritmético avançado
MX2023010008A (es) Metodo y aparato de codificacion de datos de imagen y metodo y aparato de decodificacion de datos de imagen.
MX2017016049A (es) Agrupacion de intervalos de omision de paleta para codificacion de video.
AR116490A1 (es) Codificación de transformada múltiple adaptativa
JP2017525262A5 (https=)
EP4307592A3 (en) Bit allocation for encoding and decoding
BR112017016341A2 (pt) codificação em modo paleta para codificação de vídeo
SA518392315B1 (ar) ترميز بيانات ڤيديو باستخدام إطار شجري متعدد الأنواع ذو مستويين
DOP2016000246A (es) Codificación del nivel de coeficiente en un proceso de codificación de video
AR110439A1 (es) Método de codificación de vídeo, método de decodificación de vídeo, dispositivo de codificación de vídeo y dispositivo de decodificación de vídeo
JP2018521556A5 (https=)
BR112017016159A2 (pt) contextos para unidades de árvore de codificação grandes
CY1116338T1 (el) Μεθοδος και συσκευη κωδικοποιησης βιντεο απο προβλεψη κινησης χρησιμοποιωντας τυχαια διαμερισματοποιηση και μεθοδος και συσκευη αποκωδικοποιησης βιντεο απο προβλεψη κινησης χρησιμοποιωντας τυχαια διαμερισματοποιηση
MX2021015312A (es) Codificador, decodificador, metodos y programas informaticos con una escala mejorada basada en transformacion.
RU2013153531A (ru) Способ кодирования изображения, устройство кодирования изображения, способ декодирования изображения и устройство декодирования изображения
CO2017003348A2 (es) Un dispositivo configurado para decodificar un flujo de bits representativo de una señal de audio ambisónica de orden superior, un método de decodificación de dicho flujo de bits, un dispositivo configurado para codificar una señal de audio ambisónica de orden superior para generar un flujo de bits y un método de codificación de dicho flujo de bits
MX378073B (es) Codificador, método de codificación, decodificador y método de decodificación
MX374712B (es) Metodo y aparato para codificacion aritmetica binaria adaptiva de contexto con base en multiples tablas.
MX2024004163A (es) Codificador, decodificador, metodo de codificacion y metodo de decodificacion.
AR113801A1 (es) Decodificador y método de atenuación de ruido en un decodificador
PE20230675A1 (es) Codificador de video, decodificador de video, metodos para codificar y decodificar y flujo de datos de video para realizar conceptos avanzados de codificacion de video
CL2022002570A1 (es) Un codificador, un decodificador y métodos correspondientes
MX2024012377A (es) Metodo y aparato de codificacion/decodificacion de imagen, y medio de registro que almacena flujo de bits
GB2569067A (en) System level testing of entropy encoding