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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JP2015516766A5 (enExample
JP2015516766A (ja
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

Country Status (5)

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
JP2018530211A (ja) * 2015-09-08 2018-10-11 サムスン エレクトロニクス カンパニー リミテッド エントロピー符号化及び復号化のための装置及び方法
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
KR102450506B1 (ko) * 2017-07-31 2022-10-05 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
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
EP3883248A4 (en) * 2018-11-12 2022-10-26 Samsung Electronics Co., Ltd. METHOD AND DEVICE FOR ENTROPY ENCODING OF COEFFICIENT PLANES AND METHOD AND DEVICE FOR ENTROPY DECODING OF COEFFICIENT PLANES
WO2020130705A1 (ko) * 2018-12-20 2020-06-25 엘지전자 주식회사 변환 계수들의 변환 계수 레벨을 코딩하는 방법 및 장치
WO2020138352A1 (ja) * 2018-12-26 2020-07-02 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置
CN119946306A (zh) * 2019-06-24 2025-05-06 阿里巴巴（中国）有限公司 由视频数据的编解码器实现的编解码方法及非暂时性计算机可读存储介质
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
WO2021180020A1 (en) * 2020-03-07 2021-09-16 Beijing Bytedance Network Technology Co., Ltd. Implicit multiple transform set signaling in video coding
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
PT3435674T (pt) 2010-04-13 2023-09-06 Ge Video Compression Llc Codificação de mapas de significância e blocos de coeficientes de transformada
US9338449B2 (en) 2011-03-08 2016-05-10 Qualcomm Incorporated Harmonized scan order for coding transform coefficients in 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
EP2735154A1 (en) * 2011-07-22 2014-05-28 Motorola Mobility LLC Device and methods for scanning rectangular-shaped transforms in video coding

Also Published As

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

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