JP6105048B2 - ビデオコーディングのための変換係数のコーディングにおけるグループフラグ - Google Patents

ビデオコーディングのための変換係数のコーディングにおけるグループフラグ Download PDF

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JP6105048B2
JP6105048B2 JP2015505964A JP2015505964A JP6105048B2 JP 6105048 B2 JP6105048 B2 JP 6105048B2 JP 2015505964 A JP2015505964 A JP 2015505964A JP 2015505964 A JP2015505964 A JP 2015505964A JP 6105048 B2 JP6105048 B2 JP 6105048B2
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subset
transform coefficients
absolute value
transform
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Japanese (ja)
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JP2015516766A (ja
JP2015516766A5 (enExample
Inventor
ソル・ロジャルス、ジョエル
ジョシ、ラジャン・ラクスマン
チェン、ウェイ−ジュン
チェン、ジャンレ
セレジン、バディム
カークゼウィックズ、マルタ
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Qualcomm Inc
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Qualcomm Inc
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    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H04N19/615—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding using motion compensated temporal filtering [MCTF]
    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/70—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2015505964A 2012-04-14 2013-04-12 ビデオコーディングのための変換係数のコーディングにおけるグループフラグ Expired - Fee Related JP6105048B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261624277P 2012-04-14 2012-04-14
US61/624,277 2012-04-14
US13/861,319 US9491463B2 (en) 2012-04-14 2013-04-11 Group flag in transform coefficient coding for video coding
US13/861,319 2013-04-11
PCT/US2013/036485 WO2013155486A1 (en) 2012-04-14 2013-04-12 Group flag in transform coefficient coding for video coding

Publications (3)

Publication Number Publication Date
JP2015516766A JP2015516766A (ja) 2015-06-11
JP2015516766A5 JP2015516766A5 (enExample) 2017-02-09
JP6105048B2 true JP6105048B2 (ja) 2017-03-29

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JP2015505964A Expired - Fee Related JP6105048B2 (ja) 2012-04-14 2013-04-12 ビデオコーディングのための変換係数のコーディングにおけるグループフラグ

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Country Link
US (1) US9491463B2 (enExample)
EP (1) EP2837181A1 (enExample)
JP (1) JP6105048B2 (enExample)
CN (1) CN104205832A (enExample)
WO (1) WO2013155486A1 (enExample)

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* Cited by examiner, † Cited by third party
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US10334248B2 (en) * 2015-05-29 2019-06-25 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design
WO2017043760A1 (ko) 2015-09-08 2017-03-16 삼성전자 주식회사 엔트로피 부호화 및 복호화를 위한 장치 및 방법
WO2017188739A1 (ko) * 2016-04-29 2017-11-02 세종대학교 산학협력단 영상 신호 부호화 및 복호화 방법과 장치
CN113810699B (zh) * 2016-04-29 2024-05-14 世宗大学校产学协力团 用于对图像信号进行编码和解码的方法和装置
CN115550651A (zh) * 2017-07-31 2022-12-30 韩国电子通信研究院 对图像编码和解码的方法及存储比特流的计算机可读介质
US11451840B2 (en) * 2018-06-18 2022-09-20 Qualcomm Incorporated Trellis coded quantization coefficient coding
US10992937B2 (en) * 2018-06-18 2021-04-27 Qualcomm Incorporated Coefficient coding with grouped bypass bins
KR20250004114A (ko) * 2018-11-12 2025-01-07 삼성전자주식회사 계수 레벨의 엔트로피 부호화 방법 및 장치, 엔트로피 복호화 방법 및 장치
WO2020130705A1 (ko) * 2018-12-20 2020-06-25 엘지전자 주식회사 변환 계수들의 변환 계수 레벨을 코딩하는 방법 및 장치
CN113228109A (zh) * 2018-12-26 2021-08-06 松下电器（美国）知识产权公司 三维数据编码方法、三维数据解码方法、三维数据编码装置、以及三维数据解码装置
WO2020263442A1 (en) * 2019-06-24 2020-12-30 Alibaba Group Holding Limited Transform-skip residual coding of video data
CN112449188B (zh) * 2019-08-28 2021-08-20 腾讯科技（深圳）有限公司 视频解码方法、编码方法、装置、介质及电子设备
WO2021127408A1 (en) * 2019-12-20 2021-06-24 Vid Scale, Inc. Compression of data stream
CN115315944B (zh) * 2020-03-07 2025-06-13 抖音视界有限公司 视频编解码中的隐式多变换集信令通知
WO2022193386A1 (zh) * 2021-03-17 2022-09-22 Oppo广东移动通信有限公司 系数编解码方法、编解码设备、终端及存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7379608B2 (en) 2003-12-04 2008-05-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Arithmetic coding for transforming video and picture data units
KR101394153B1 (ko) * 2007-12-11 2014-05-16 삼성전자주식회사 양자화 방법 및 장치, 역양자화 방법 및 장치
KR101375668B1 (ko) * 2008-03-17 2014-03-18 삼성전자주식회사 변환 계수의 부호화, 복호화 방법 및 장치
KR101502495B1 (ko) 2010-04-13 2015-03-13 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 유효성 맵 및 변환 계수 블록의 코딩
US10499059B2 (en) 2011-03-08 2019-12-03 Velos Media, Llc Coding of transform coefficients for video coding
US8446301B2 (en) * 2011-04-15 2013-05-21 Research In Motion Limited Methods and devices for coding and decoding the position of the last significant coefficient
US9491469B2 (en) 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
WO2013016298A1 (en) * 2011-07-22 2013-01-31 General Instrument Corporation Device and methods for scanning rectangular-shaped transforms in video coding

Also Published As

Publication number Publication date
JP2015516766A (ja) 2015-06-11
US20130272414A1 (en) 2013-10-17
WO2013155486A1 (en) 2013-10-17
EP2837181A1 (en) 2015-02-18
CN104205832A (zh) 2014-12-10
US9491463B2 (en) 2016-11-08

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