JP6527877B2 - ビデオコーディングプロセスにおける係数レベルコーディング - Google Patents

ビデオコーディングプロセスにおける係数レベルコーディング Download PDF

Info

Publication number
JP6527877B2
JP6527877B2 JP2016557042A JP2016557042A JP6527877B2 JP 6527877 B2 JP6527877 B2 JP 6527877B2 JP 2016557042 A JP2016557042 A JP 2016557042A JP 2016557042 A JP2016557042 A JP 2016557042A JP 6527877 B2 JP6527877 B2 JP 6527877B2
Authority
JP
Japan
Prior art keywords
bits
maximum number
prefix
suffix
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
JP2016557042A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017514349A (ja
JP2017514349A5 (enExample
Inventor
ラジャン・ラックスマン・ジョシ
マルタ・カルチェヴィチ
Original Assignee
クアルコム，インコーポレイテッド
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 クアルコム，インコーポレイテッド filed Critical クアルコム，インコーポレイテッド
Publication of JP2017514349A publication Critical patent/JP2017514349A/ja
Publication of JP2017514349A5 publication Critical patent/JP2017514349A5/ja
Application granted granted Critical
Publication of JP6527877B2 publication Critical patent/JP6527877B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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)
JP2016557042A 2014-03-14 2015-03-13 ビデオコーディングプロセスにおける係数レベルコーディング Active JP6527877B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201461953659P 2014-03-14 2014-03-14
US61/953,659 2014-03-14
US201461954404P 2014-03-17 2014-03-17
US61/954,404 2014-03-17
US14/656,071 US9930348B2 (en) 2014-03-14 2015-03-12 Coefficient level coding in a video coding process
US14/656,071 2015-03-12
PCT/US2015/020462 WO2015138911A1 (en) 2014-03-14 2015-03-13 Coefficient level coding in a video coding process

Publications (3)

Publication Number Publication Date
JP2017514349A JP2017514349A (ja) 2017-06-01
JP2017514349A5 JP2017514349A5 (enExample) 2018-09-13
JP6527877B2 true JP6527877B2 (ja) 2019-06-05

Family

ID=54070437

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016557042A Active JP6527877B2 (ja) 2014-03-14 2015-03-13 ビデオコーディングプロセスにおける係数レベルコーディング

Country Status (13)

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

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
JP6868785B2 (ja) * 2016-05-13 2021-05-12 ソニーグループ株式会社 画像処理装置および方法
EP3777156B1 (en) * 2018-03-29 2025-03-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Transform coefficient block coding
US11265550B2 (en) * 2018-04-04 2022-03-01 Kakadu R & D Pty Ltd Further improved method and apparatus for image compression
BR112021005152A2 (pt) * 2018-09-20 2021-06-15 Lg Electronics Inc. método de codificação de nível de fator de conversão e dispositivo para o mesmo
KR102680055B1 (ko) * 2018-11-12 2024-06-28 엘지전자 주식회사 고주파 제로잉을 기반으로 변환 계수를 코딩하는 방법 및 그 장치
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
WO2020182091A1 (en) 2019-03-08 2020-09-17 Beijing Bytedance Network Technology Co., Ltd. Reshaping model in video processing
JP7732898B2 (ja) 2019-04-18 2025-09-02 北京字節跳動網絡技術有限公司 クロスコンポーネントモードにおけるパラメータ導出
CN113711610B (zh) 2019-04-23 2024-04-16 北京字节跳动网络技术有限公司 降低跨分量依赖性的方法
MX2024010853A (es) * 2019-04-24 2024-09-11 Panasonic Ip Corp America Codificador, decodificador, metodo de codificacion y metodo de decodificacion.
WO2020224629A1 (en) 2019-05-08 2020-11-12 Beijing Bytedance Network Technology Co., Ltd. Conditions for applicability of cross-component coding
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
KR102660738B1 (ko) 2019-07-07 2024-04-26 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 크로마 잔차 스케일링의 시그널링
WO2021040487A1 (ko) * 2019-08-31 2021-03-04 엘지전자 주식회사 영상 코딩 시스템에서 레지듀얼 데이터 코딩에 대한 영상 디코딩 방법 및 그 장치
JP7201873B2 (ja) 2019-09-24 2023-01-10 ベイジン ダジア インターネット インフォメーション テクノロジー カンパニー リミテッド 残差及び係数符号化の方法、プログラム並びに装置
KR20220062526A (ko) * 2019-09-25 2022-05-17 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법, 및 복호 방법
WO2021067278A1 (en) * 2019-10-01 2021-04-08 Beijing Dajia Internet Informationtechnology Co., Ltd. Methods and apparatus of residual and coefficient coding
WO2021071188A1 (ko) * 2019-10-07 2021-04-15 엘지전자 주식회사 비디오/영상 코딩 시스템에서 엔트로피 코딩 방법 및 장치
WO2021071187A1 (ko) * 2019-10-07 2021-04-15 엘지전자 주식회사 비디오/영상 코딩 시스템에서 라이스 파라미터 도출 방법 및 장치
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
WO2008129855A1 (ja) * 2007-04-11 2008-10-30 Panasonic Corporation 画像データ復号化装置、画像データ復号化方法
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
US20120230418A1 (en) * 2011-03-08 2012-09-13 Qualcomm Incorporated Coding of transform coefficients for video coding
RU2586321C2 (ru) * 2011-06-28 2016-06-10 Самсунг Электроникс Ко., Лтд. Способ и устройство для кодирования видео, а также способ и устройство для декодирования видео, дополняемые арифметическим кодированием
KR101672107B1 (ko) * 2011-11-08 2016-11-02 구글 테크놀로지 홀딩스 엘엘씨 변환 계수들에 대한 이진 코드워드들을 결정하는 방법
MY193123A (en) * 2012-06-22 2022-09-26 Velos Media Internatinal Ltd Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
WO2014103182A1 (ja) * 2012-12-27 2014-07-03 日本電気株式会社 映像符号化装置、映像符号化方法および映像符号化プログラム

Also Published As

Publication number Publication date
CR20160423A (es) 2016-12-20
EP3117525A1 (en) 2017-01-18
CN106105040A (zh) 2016-11-09
US20150264362A1 (en) 2015-09-17
TWI666916B (zh) 2019-07-21
US9930348B2 (en) 2018-03-27
SV2016005283A (es) 2017-04-24
JP2017514349A (ja) 2017-06-01
GT201600184A (es) 2018-11-27
DOP2016000246A (es) 2016-12-30
MX2016011599A (es) 2016-12-09
KR102352638B1 (ko) 2022-01-17
KR20160133509A (ko) 2016-11-22
NI201600135A (es) 2016-11-18
CN106105040B (zh) 2019-11-19
EP3117525B1 (en) 2022-08-17
WO2015138911A1 (en) 2015-09-17
MX363891B (es) 2019-04-05
TW201547256A (zh) 2015-12-16

Similar Documents

Publication Publication Date Title
JP6527877B2 (ja) ビデオコーディングプロセスにおける係数レベルコーディング
CN113612997B (zh) 针对视频译码使用与位置相关的预测组合的改进视频帧内预测
US10368072B2 (en) Advanced arithmetic coder
KR102315238B1 (ko) 비디오 코딩 프로세스에서 계수 레벨 코딩을 위한 라이스 파라미터 초기화
US9462275B2 (en) Residual quad tree (RQT) coding for video coding
US9538172B2 (en) Grouping bypass coded syntax elements in video coding
US9848197B2 (en) Transforms in video coding
CN105493507B (zh) 用于帧内块复制的残余预测
US9667994B2 (en) Intra-coding for 4:2:2 sample format in video coding
US9596463B2 (en) Coding of loop filter parameters using a codebook in video coding
TWI558179B (zh) 對視訊寫碼發信長期參考圖像
KR20160075556A (ko) 적응적 인터-컬러 컴포넌트 잔차 예측
US20130188698A1 (en) Coefficient level coding
US20130128971A1 (en) Transforms in video coding
BR112016021138B1 (pt) Codificação de nível de coeficiente em um processo de codificação de vídeo
HK1202741A1 (en) Deriving context for last position coding for video coding
HK1202741B (en) Deriving context for last position coding for video coding
HK1218595B (zh) 视频译码过程中用於系数层级译码的莱斯(rice)参数初始化

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160915

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180221

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20180221

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180806

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20180806

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20181113

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20181113

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20190104

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190402

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20190415

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20190513

R150 Certificate of patent or registration of utility model

Ref document number: 6527877

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250