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

비디오 코딩에서 양자화 매트릭스를 위한 균일한 입도 Download PDF

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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
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modified
transform coefficients
values
value
quantized transform
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Korean (ko)
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라잔 랙스맨 조쉬
로할스 호엘 솔레
마르타 카르체비츠
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퀄컴 인코포레이티드
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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
    • H04N19/10—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

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  • 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 2013-04-15
US13/863,197 US20130272390A1 (en) 2012-04-16 2013-04-15 Uniform granularity for quantization matrix in video coding
PCT/US2013/036799 WO2013158656A2 (en) 2012-04-16 2013-04-16 Uniform granularity for quantization matrix in video coding

Publications (1)

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KR20150008412A true KR20150008412A (ko) 2015-01-22

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US (1) US20130272390A1 (https=)
JP (1) JP2015516770A (https=)
KR (1) KR20150008412A (https=)
CN (1) CN104221378B (https=)
WO (1) WO2013158656A2 (https=)

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KR20180073231A (ko) * 2016-12-22 2018-07-02 삼성전자주식회사 양자화 파라미터를 조절하는 비디오 인코딩을 위한 장치 및 방법

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CN107637078B (zh) 2015-03-31 2020-05-26 瑞尔数码有限公司 整数变换系数的视频译码系统和方法
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
KR102331933B1 (ko) * 2016-05-12 2021-11-29 엘지전자 주식회사 계수 유도 복원을 이용하여 비디오 신호를 처리하는 방법 및 장치
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
EP3850856A4 (en) * 2018-09-11 2022-07-06 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR ENCODING TRANSFORMATION 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
WO2021030788A1 (en) 2019-08-15 2021-02-18 Bytedance Inc. Entropy coding for palette escape symbol
KR102705477B1 (ko) 2019-08-15 2024-09-11 바이트댄스 아이엔씨 상이한 분할 구조들을 갖는 팔레트 모드
KR102799921B1 (ko) 2019-09-14 2025-04-25 바이트댄스 아이엔씨 크로마 디블로킹 필터링을 위한 양자화 파라미터
WO2021055782A1 (en) * 2019-09-19 2021-03-25 Bytedance Inc. Quantization parameter derivation for palette mode
CN114731392B (zh) * 2019-09-21 2025-01-03 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
CN114731404A (zh) * 2019-09-23 2022-07-08 交互数字Vc控股法国有限公司 使用基于块区域的量化矩阵进行视频编码和解码
WO2021072177A1 (en) 2019-10-09 2021-04-15 Bytedance Inc. Cross-component adaptive loop filtering in video coding
WO2021118977A1 (en) 2019-12-09 2021-06-17 Bytedance Inc. Using quantization groups in video coding
WO2021121419A1 (en) 2019-12-19 2021-06-24 Beijing Bytedance Network Technology Co., Ltd. Interaction between adaptive color transform and quantization parameters
JP7436680B2 (ja) 2020-01-05 2024-02-22 北京字節跳動網絡技術有限公司 映像コーディングのための一般制約情報
CN115244926A (zh) * 2020-01-14 2022-10-25 抖音视界有限公司 视频编解码中的量化参数的覆写
WO2021143896A1 (en) 2020-01-18 2021-07-22 Beijing Bytedance Network Technology Co., Ltd. Adaptive colour transform in image/video coding

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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
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
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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
JPWO2008132890A1 (ja) * 2007-04-16 2010-07-22 株式会社東芝 画像符号化と画像復号化の方法及び装置
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
JP2015516770A (ja) 2015-06-11
CN104221378A (zh) 2014-12-17
CN104221378B (zh) 2017-12-05
WO2013158656A2 (en) 2013-10-24
WO2013158656A3 (en) 2013-12-12

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