AU2020235096B2 - Probability initialization for video coding - Google Patents

Probability initialization for video coding

Info

Publication number
AU2020235096B2
AU2020235096B2 AU2020235096A AU2020235096A AU2020235096B2 AU 2020235096 B2 AU2020235096 B2 AU 2020235096B2 AU 2020235096 A AU2020235096 A AU 2020235096A AU 2020235096 A AU2020235096 A AU 2020235096A AU 2020235096 B2 AU2020235096 B2 AU 2020235096B2
Authority
AU
Australia
Prior art keywords
value
probability state
context
initial
video
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
AU2020235096A
Other languages
English (en)
Other versions
AU2020235096A1 (en
Inventor
Jie Dong
Marta Karczewicz
Amir Said
Vadim Seregin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
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 AU2020235096A1 publication Critical patent/AU2020235096A1/en
Application granted granted Critical
Publication of AU2020235096B2 publication Critical patent/AU2020235096B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/44—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
    • 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

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)
AU2020235096A 2019-03-12 2020-03-12 Probability initialization for video coding Active AU2020235096B2 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201962817475P 2019-03-12 2019-03-12
US62/817,475 2019-03-12
US201962834297P 2019-04-15 2019-04-15
US62/834,297 2019-04-15
US201962871519P 2019-07-08 2019-07-08
US62/871,519 2019-07-08
US16/816,016 US11178399B2 (en) 2019-03-12 2020-03-11 Probability initialization for video coding
US16/816,016 2020-03-11
PCT/US2020/022355 WO2020186038A1 (en) 2019-03-12 2020-03-12 Probability initialization for video coding

Publications (2)

Publication Number Publication Date
AU2020235096A1 AU2020235096A1 (en) 2021-09-30
AU2020235096B2 true AU2020235096B2 (en) 2025-09-04

Family

ID=72422810

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020235096A Active AU2020235096B2 (en) 2019-03-12 2020-03-12 Probability initialization for video coding

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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
STEGEMANN (FRAUNHOFER) J ET AL: "CE5-related: Clean up of the context model initialization process for CE5.1.5 and CE5.1.6", no. JVET-M0772, 9 January 2019 (2019-01-09), XP030201237, Retrieved from the Internet *

Also Published As

Publication number Publication date
SA521430253B1 (ar) 2024-10-01
BR112021017453A2 (pt) 2021-11-16
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
US11178399B2 (en) 2021-11-16
MY208520A (en) 2025-05-14
PH12021552101A1 (en) 2022-05-30

Similar Documents

Publication Publication Date Title
AU2020235096B2 (en) Probability initialization for video coding
AU2020239051B2 (en) Coefficient coding for transform skip mode
AU2020297534B2 (en) Context modeling for low-frequency non-separable transformation signaling for video coding
AU2019392913B2 (en) Regular coded bin reduction for coefficient decoding using threshold and rice parameter
WO2020051324A1 (en) Regular coded bin reduction for coefficient coding using threshold and rice parameter
US11785259B2 (en) Escape coding for coefficient levels
US11470334B2 (en) Rice parameter derivation for lossless/lossy coding modes for video coding
WO2021034761A1 (en) Low-frequency non-separable transform (lfnst) signaling
CA3101059A1 (en) Efficient weighted probability estimation for binary arithmetic coding
US11924471B2 (en) Context-based transform index signaling in video coding
CA3131883C (en) Probability initialization for video coding
RU2813264C2 (ru) Инициализация вероятности для видеокодирования
HK40057733A (en) Probability initialization for video coding
HK40057733B (zh) 针对视频译码的概率初始化

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)