KR102352638B1 - 비디오 코딩 프로세스에서의 계수 레벨 코딩 - Google Patents

비디오 코딩 프로세스에서의 계수 레벨 코딩 Download PDF

Info

Publication number
KR102352638B1
KR102352638B1 KR1020167028293A KR20167028293A KR102352638B1 KR 102352638 B1 KR102352638 B1 KR 102352638B1 KR 1020167028293 A KR1020167028293 A KR 1020167028293A KR 20167028293 A KR20167028293 A KR 20167028293A KR 102352638 B1 KR102352638 B1 KR 102352638B1
Authority
KR
South Korea
Prior art keywords
bits
maximum number
suffix
prefix
coding
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
KR1020167028293A
Other languages
English (en)
Korean (ko)
Other versions
KR20160133509A (ko
Inventor
라잔 랙스맨 조쉬
마르타 카르체비츠
Original Assignee
퀄컴 인코포레이티드
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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20160133509A publication Critical patent/KR20160133509A/ko
Application granted granted Critical
Publication of KR102352638B1 publication Critical patent/KR102352638B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • H04N19/18—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
    • 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)
KR1020167028293A 2014-03-14 2015-03-13 비디오 코딩 프로세스에서의 계수 레벨 코딩 Active KR102352638B1 (ko)

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 2015-03-12
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 (2)

Publication Number Publication Date
KR20160133509A KR20160133509A (ko) 2016-11-22
KR102352638B1 true KR102352638B1 (ko) 2022-01-17

Family

ID=54070437

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167028293A Active KR102352638B1 (ko) 2014-03-14 2015-03-13 비디오 코딩 프로세스에서의 계수 레벨 코딩

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
KR20220053702A (ko) * 2016-05-13 2022-04-29 소니그룹주식회사 화상 처리 장치 및 방법
CN112204972B (zh) 2018-03-29 2023-09-05 弗劳恩霍夫应用研究促进协会 变换系数块编码
WO2019191811A1 (en) * 2018-04-04 2019-10-10 Kakadu R & D Pty Ltd A further improved method and apparatus for image compression
CN111373753B (zh) 2018-09-20 2023-09-08 Lg电子株式会社 变换因子级别编码方法及其装置
ES3024138T3 (en) * 2018-11-12 2025-06-03 Lg Electronics Inc Method for coding transform coefficient on basis of high frequency zeroing and apparatus therefor
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
CA3131286C (en) * 2019-03-08 2024-06-18 Beijing Bytedance Network Technology Co., Ltd. Constraints on model-based reshaping in video processing
PH12021552429A1 (en) 2019-04-18 2022-07-25 Beijing Bytedance Network Tech Co Ltd Parameter derivation in cross component mode
PH12021552543A1 (en) 2019-04-23 2022-07-04 Beijing Bytedance Network Tech Co Ltd Methods for cross component dependency reduction
TWI906218B (zh) * 2019-04-24 2025-12-01 美商松下電器（美國）知識產權公司 編碼裝置及編碼方法
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
WO2020259427A1 (en) 2019-06-22 2020-12-30 Beijing Bytedance Network Technology Co., Ltd. Syntax element for chroma residual scaling
EP3977738A4 (en) 2019-07-07 2022-08-17 Beijing Bytedance Network Technology Co., Ltd. SIGNALING OF CHROMA RESIDUAL SCALE
KR20220050907A (ko) * 2019-08-31 2022-04-25 엘지전자 주식회사 영상 코딩 시스템에서 레지듀얼 데이터 코딩에 대한 영상 디코딩 방법 및 그 장치
WO2021062014A1 (en) * 2019-09-24 2021-04-01 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus of residual and coefficient coding
CN118945358A (zh) * 2019-09-25 2024-11-12 松下电器（美国）知识产权公司 编码装置、解码装置和比特流
CN114731445A (zh) * 2019-10-01 2022-07-08 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
WO2021071187A1 (ko) * 2019-10-07 2021-04-15 엘지전자 주식회사 비디오/영상 코딩 시스템에서 라이스 파라미터 도출 방법 및 장치
WO2021071188A1 (ko) * 2019-10-07 2021-04-15 엘지전자 주식회사 비디오/영상 코딩 시스템에서 엔트로피 코딩 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
CN116647673B (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
US9338449B2 (en) * 2011-03-08 2016-05-10 Qualcomm Incorporated Harmonized scan order for coding transform coefficients in video coding
PL3306939T3 (pl) * 2011-06-28 2020-11-02 Samsung Electronics Co., Ltd. Sposób i urządzenie do kodowania wideo, odpowiedni sposób do dekodowania wideo, wideo z towarzyszącym dekodowaniem arytmetycznym oraz sygnalizowanie dwuwymiarowego ostatniego znaczącego współczynnika
WO2013070974A2 (en) * 2011-11-08 2013-05-16 General Instrument Corporation Method of determining binary codewords for transform coefficients
CN107749992B (zh) * 2012-06-22 2020-06-09 威勒斯媒体国际有限公司 图像编码方法、图像解码方法、图像编码装置、图像解码装置及图像编解码装置
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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
K. Sharman, et al. AHG18: Worst-case Escape Code Length Mitigation. JCT-VC of ITU-T and ISO/IEC. JCTVC-P0061 Ver.2, Jan. 7, 2014, pp.1-5*
M. Karczewicz, et al. AHG18: Limiting the worst-case length for coeff_abs_level_remaining syntax element to 32 bits. JCT-VC of ITU-T and ISO/IEC. JCTVC-Q0131 Ver.1, Mar. 18, 2014, pp.1-4

Also Published As

Publication number Publication date
EP3117525B1 (en) 2022-08-17
KR20160133509A (ko) 2016-11-22
SV2016005283A (es) 2017-04-24
WO2015138911A1 (en) 2015-09-17
US20150264362A1 (en) 2015-09-17
TWI666916B (zh) 2019-07-21
CN106105040A (zh) 2016-11-09
US9930348B2 (en) 2018-03-27
JP6527877B2 (ja) 2019-06-05
GT201600184A (es) 2018-11-27
TW201547256A (zh) 2015-12-16
NI201600135A (es) 2016-11-18
MX2016011599A (es) 2016-12-09
MX363891B (es) 2019-04-05
JP2017514349A (ja) 2017-06-01
DOP2016000246A (es) 2016-12-30
CN106105040B (zh) 2019-11-19
CR20160423A (es) 2016-12-20
EP3117525A1 (en) 2017-01-18

Similar Documents

Publication Publication Date Title
KR102352638B1 (ko) 비디오 코딩 프로세스에서의 계수 레벨 코딩
CA2913797C (en) Rice parameter initialization for coefficient level coding in video coding process
KR102283307B1 (ko) 비디오 코딩 프로세스에서의 계수 레벨 코딩을 위한 라이스 파라미터 업데이트
US9667994B2 (en) Intra-coding for 4:2:2 sample format in video coding
US9462275B2 (en) Residual quad tree (RQT) coding for video coding
US9848197B2 (en) Transforms in video coding
US9237358B2 (en) Context reduction for context adaptive binary arithmetic coding
KR102334126B1 (ko) 인트라 블록 복사를 위한 레지듀얼 예측
US9596463B2 (en) Coding of loop filter parameters using a codebook in video coding
US9143781B2 (en) Weighted prediction parameter coding
US9332255B2 (en) Signaling long-term reference pictures for video coding
US20130272409A1 (en) Bandwidth reduction in video coding through applying the same reference index
US20130272390A1 (en) Uniform granularity for quantization matrix in video coding
US20130294524A1 (en) Transform skipping and lossless coding unification
US20150103925A1 (en) Parallel extensions of parameter sets
CN105122798A (zh) 多层视频译码中的交叉层图片类型对准的指示
US9762921B2 (en) Deblocking filter with reduced line buffer

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20161011

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20200226

Comment text: Request for Examination of Application

PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20210412

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20211020

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20220113

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20220113

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20241223

Start annual number: 4

End annual number: 4