JP2015516770A5 - - Google Patents

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Publication number
JP2015516770A5
JP2015516770A5 JP2015505994A JP2015505994A JP2015516770A5 JP 2015516770 A5 JP2015516770 A5 JP 2015516770A5 JP 2015505994 A JP2015505994 A JP 2015505994A JP 2015505994 A JP2015505994 A JP 2015505994A JP 2015516770 A5 JP2015516770 A5 JP 2015516770A5
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JP
Japan
Prior art keywords
value
modified
transform coefficient
quantized transform
granularity
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Pending
Application number
JP2015505994A
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English (en)
Japanese (ja)
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JP2015516770A (ja
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Publication date
Priority claimed from US13/863,197 external-priority patent/US20130272390A1/en
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Publication of JP2015516770A publication Critical patent/JP2015516770A/ja
Publication of JP2015516770A5 publication Critical patent/JP2015516770A5/ja
Pending legal-status Critical Current

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JP2015505994A 2012-04-16 2013-04-16 ビデオコーディングにおける量子化行列のための均一粒度 Pending JP2015516770A (ja)

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 (2)

Publication Number Publication Date
JP2015516770A JP2015516770A (ja) 2015-06-11
JP2015516770A5 true JP2015516770A5 (https=) 2016-05-26

Family

ID=49325057

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015505994A Pending JP2015516770A (ja) 2012-04-16 2013-04-16 ビデオコーディングにおける量子化行列のための均一粒度

Country Status (5)

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

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US10425641B2 (en) * 2013-05-30 2019-09-24 Intel Corporation Quantization offset and cost factor modification for video encoding
US10218974B2 (en) 2015-03-31 2019-02-26 Realnetworks, Inc. Residual transformation and inverse transformation in video coding systems and methods
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
KR102636099B1 (ko) * 2016-12-22 2024-02-13 삼성전자주식회사 양자화 파라미터를 조절하는 비디오 인코딩을 위한 장치 및 방법
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
US11516493B2 (en) * 2018-09-11 2022-11-29 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
WO2021030786A1 (en) 2019-08-15 2021-02-18 Bytedance Inc. Palette mode with different partition structures
WO2021030788A1 (en) 2019-08-15 2021-02-18 Bytedance Inc. Entropy coding for palette escape symbol
EP4014495A4 (en) 2019-09-14 2022-11-02 ByteDance Inc. CHROMINANCE QUANTIFICATION PARAMETER IN VIDEO CODING
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
WO2021058277A1 (en) * 2019-09-23 2021-04-01 Interdigital Vc Holdings France, Sas Video encoding and decoding using block area based quantization matrices
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
KR102750625B1 (ko) 2020-01-05 2025-01-09 두인 비전 컴퍼니 리미티드 비디오 코딩을 위한 일반적인 제약 정보
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
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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
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