KR20150008412A - 비디오 코딩에서 양자화 매트릭스를 위한 균일한 입도 - Google Patents

비디오 코딩에서 양자화 매트릭스를 위한 균일한 입도 Download PDF

Info

Publication number
KR20150008412A
KR20150008412A KR1020147032066A KR20147032066A KR20150008412A KR 20150008412 A KR20150008412 A KR 20150008412A KR 1020147032066 A KR1020147032066 A KR 1020147032066A KR 20147032066 A KR20147032066 A KR 20147032066A KR 20150008412 A KR20150008412 A KR 20150008412A
Authority
KR
South Korea
Prior art keywords
modified
transform coefficients
values
value
quantized transform
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.)
Ceased
Application number
KR1020147032066A
Other languages
English (en)
Korean (ko)
Inventor
라잔 랙스맨 조쉬
로할스 호엘 솔레
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 KR20150008412A publication Critical patent/KR20150008412A/ko
Ceased legal-status Critical Current

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
    • H04N19/17—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
    • H04N19/102—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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020147032066A 2012-04-16 2013-04-16 비디오 코딩에서 양자화 매트릭스를 위한 균일한 입도 Ceased KR20150008412A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261624959P 2012-04-16 2012-04-16
US61/624,959 2012-04-16
US13/863,197 US20130272390A1 (en) 2012-04-16 2013-04-15 Uniform granularity for quantization matrix in video coding
US13/863,197 2013-04-15
PCT/US2013/036799 WO2013158656A2 (en) 2012-04-16 2013-04-16 Uniform granularity for quantization matrix in video coding

Publications (1)

Publication Number Publication Date
KR20150008412A true KR20150008412A (ko) 2015-01-22

Family

ID=49325057

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020147032066A Ceased KR20150008412A (ko) 2012-04-16 2013-04-16 비디오 코딩에서 양자화 매트릭스를 위한 균일한 입도

Country Status (5)

Country Link
US (1) US20130272390A1 (enExample)
JP (1) JP2015516770A (enExample)
KR (1) KR20150008412A (enExample)
CN (1) CN104221378B (enExample)
WO (1) WO2013158656A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180073231A (ko) * 2016-12-22 2018-07-02 삼성전자주식회사 양자화 파라미터를 조절하는 비디오 인코딩을 위한 장치 및 방법

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9253483B2 (en) * 2012-09-25 2016-02-02 Google Technology Holdings LLC Signaling of scaling list
US10425641B2 (en) * 2013-05-30 2019-09-24 Intel Corporation Quantization offset and cost factor modification for video encoding
JP6704932B2 (ja) * 2015-03-31 2020-06-03 リアルネットワークス，インコーポレーテッド ビデオコーディングシステムにおける残差変換及び逆変換方法
CN105138304B (zh) * 2015-07-28 2018-07-20 北京华力创通科技股份有限公司 数字信号的自适应量化方法及装置
CN109417620B (zh) * 2016-03-25 2021-04-27 松下知识产权经营株式会社 用于使用信号依赖型自适应量化将运动图像编码及解码的方法及装置
US10911783B2 (en) * 2016-05-12 2021-02-02 Lg Electronics Inc. Method and apparatus for processing video signal using coefficient-induced reconstruction
KR102601350B1 (ko) * 2016-05-31 2023-11-13 엘지디스플레이 주식회사 데이터 압축 방법 및 이를 이용한 표시 장치
US11019339B2 (en) * 2017-07-12 2021-05-25 Futurewei Technologies, Inc. Fractional quantization parameter offset in video compression
US10827173B2 (en) * 2017-11-13 2020-11-03 Electronics And Telecommunications Research Institute Method and apparatus for quantization
CN112020860B (zh) * 2018-02-26 2022-09-02 弗劳恩霍夫应用研究促进协会 用于选择性量化参数传输的编码器、解码器和其方法
KR101997681B1 (ko) * 2018-06-11 2019-07-08 광운대학교 산학협력단 양자화 파라미터 기반의 잔차 블록 부호화/복호화 방법 및 장치
WO2020054713A1 (en) * 2018-09-11 2020-03-19 Sharp Kabushiki Kaisha Systems and methods for coding transform coefficient level values
CN110944177B (zh) * 2018-09-21 2024-03-01 华为技术有限公司 视频解码方法及视频解码器，视频编码方法及视频编码器
JP2020098986A (ja) * 2018-12-17 2020-06-25 キヤノン株式会社 画像符号化装置及び画像復号装置及びそれらの制御方法及びプログラム
EP4000269A4 (en) 2019-08-15 2022-09-07 ByteDance Inc. PALLET MODE WITH DIFFERENT DIVISION STRUCTURES
EP4000263A4 (en) 2019-08-15 2022-09-07 ByteDance Inc. ENTROPY ENCODING FOR A PALLET ESCAPE SYMBOL
JP7321364B2 (ja) 2019-09-14 2023-08-04 バイトダンス インコーポレイテッド ビデオコーディングにおけるクロマ量子化パラメータ
CN114424545B (zh) 2019-09-19 2024-07-16 字节跳动有限公司 用于调色板模式的量化参数推导
CN117376550A (zh) * 2019-09-21 2024-01-09 北京字节跳动网络技术有限公司 用于图像和视频编解码的高精度变换和量化
WO2021058277A1 (en) * 2019-09-23 2021-04-01 Interdigital Vc Holdings France, Sas Video encoding and decoding using block area based quantization matrices
CN114651442B (zh) 2019-10-09 2025-06-13 字节跳动有限公司 视频编解码中的跨分量适应性回路滤波
CN114788279B (zh) 2019-12-09 2025-06-27 字节跳动有限公司 视频编解码中使用的量化组
WO2021121419A1 (en) 2019-12-19 2021-06-24 Beijing Bytedance Network Technology Co., Ltd. Interaction between adaptive color transform and quantization parameters
WO2021136554A1 (en) 2020-01-05 2021-07-08 Beijing Bytedance Network Technology Co., Ltd. General constraints information for video coding
WO2021143750A1 (en) * 2020-01-14 2021-07-22 Beijing Bytedance Network Technology Co., Ltd. Overwriting of quantization parameters in video coding
WO2021143896A1 (en) 2020-01-18 2021-07-22 Beijing Bytedance Network Technology Co., Ltd. Adaptive colour transform in image/video coding

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7295609B2 (en) * 2001-11-30 2007-11-13 Sony Corporation Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information
JP4254147B2 (ja) * 2001-11-30 2009-04-15 ソニー株式会社 画像情報符号化方法及び装置、並びにプログラム及び記録媒体
US7627187B2 (en) * 2003-09-24 2009-12-01 Ntt Docomo, Inc. Low complexity and unified transforms for video coding
JP4756949B2 (ja) * 2005-08-08 2011-08-24 キヤノン株式会社 画像復号装置及びその制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体
AU2008245277A1 (en) * 2007-04-16 2008-11-06 Kabushiki Kaisha Toshiba Image encoding and image decoding method and device
CN101325714B (zh) * 2007-06-13 2010-10-27 华为技术有限公司 变换数据处理方法和装置以及编码、解码方法和装置
CN101888556B (zh) * 2008-03-19 2012-04-25 华为技术有限公司 编码、解码方法和编码、解码装置
JP5502336B2 (ja) * 2009-02-06 2014-05-28 パナソニック株式会社 映像信号符号化装置及び、映像信号符号化方法
US9152875B2 (en) * 2009-06-11 2015-10-06 Texas Instruments Incorporated Preserving text quality in video encoding
JP5212437B2 (ja) * 2010-08-30 2013-06-19 株式会社Ｊｖｃケンウッド 画像データ送信装置、画像データ受信装置、画像データ伝送システム、画像データ送信方法および画像データ受信方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180073231A (ko) * 2016-12-22 2018-07-02 삼성전자주식회사 양자화 파라미터를 조절하는 비디오 인코딩을 위한 장치 및 방법

Also Published As

Publication number Publication date
US20130272390A1 (en) 2013-10-17
WO2013158656A3 (en) 2013-12-12
CN104221378B (zh) 2017-12-05
WO2013158656A2 (en) 2013-10-24
CN104221378A (zh) 2014-12-17
JP2015516770A (ja) 2015-06-11

Similar Documents

Publication Publication Date Title
CN104221378B (zh) 在视频译码中用于量化矩阵的均匀粒度
CA2913797C (en) Rice parameter initialization for coefficient level coding in video coding process
KR101774737B1 (ko) 비디오 코딩을 위한 잔여 쿼드 트리 (ｒｑｔ) 코딩
EP2904788B1 (en) Intra-coding for 4:2:2 sample format in video coding
KR101662411B1 (ko) 방향성 파티션들에 의한 인트라 예측 모드 코딩
CN103959785B (zh) 在视频译码中用于色度分量的变换单位分割
KR101536541B1 (ko) 리프 레벨 코딩 단위의 서브셋들에 대한 변환 계수들에 대한 구문 엘리먼트들의 시그널링
US9247254B2 (en) Non-square transforms in intra-prediction video coding
CN104509113B (zh) 视频压缩中的变换跳过模式
KR101807913B1 (ko) 비디오 코딩에서 코드북을 사용한 루프 필터 파라미터들의 코딩
KR101772350B1 (ko) 비디오 코딩을 위한 고 정확도 명시적 가중 예측
EP2984827B1 (en) Sample adaptive offset scaling based on bit-depth
CA2865616C (en) Deriving context for last position coding for video coding
KR20150003327A (ko) 변환 계수 코딩
KR20160135756A (ko) 레지듀 차분 펄스 코드 변조을 위한 양자화 프로세스들
WO2012033673A1 (en) Efficient coding of video parameters for weighted motion compensated prediction in video coding
KR20140030326A (ko) 비디오 코딩을 위한 다수 구역 스캐닝 순서
HK40009750B (zh) 用於视频译码中的4:2:2样本格式的帧内译码
HK40009750A (en) Intra-coding for 4:2:2 sample format in video coding
HK1262169B (en) Coded block flag (cbf) coding for 4:2:2 sample format in video coding
HK1201110B (en) Quantization parameter (qp) coding in video coding
HK1201110A1 (en) Quantization parameter (qp) coding in video coding

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20141114

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20180330

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20191111

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20200129

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20191111

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I