JP2015516770A5 - - Google Patents
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- 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
- Authority
- JP
- Japan
- Prior art keywords
- value
- modified
- transform coefficient
- quantized transform
- granularity
- 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.)
- Pending
Links
- 238000013139 quantization Methods 0.000 claims 49
- 239000011159 matrix material Substances 0.000 claims 36
- 238000000034 method Methods 0.000 claims 15
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 (2)
| Publication Number | Publication Date |
|---|---|
| JP2015516770A JP2015516770A (ja) | 2015-06-11 |
| JP2015516770A5 true JP2015516770A5 (cg-RX-API-DMAC7.html) | 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 (cg-RX-API-DMAC7.html) |
| JP (1) | JP2015516770A (cg-RX-API-DMAC7.html) |
| KR (1) | KR20150008412A (cg-RX-API-DMAC7.html) |
| CN (1) | CN104221378B (cg-RX-API-DMAC7.html) |
| WO (1) | WO2013158656A2 (cg-RX-API-DMAC7.html) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9253483B2 (en) * | 2012-09-25 | 2016-02-02 | Google Technology Holdings LLC | Signaling of scaling list |
| WO2014193630A1 (en) * | 2013-05-30 | 2014-12-04 | Intel Corporation | Quantization offset and cost factor modification for video encoding |
| KR20180019510A (ko) | 2015-03-31 | 2018-02-26 | 리얼네트웍스 인코포레이티드 | 비디오 코딩시 오차 변환 및 역 변환 시스템들 및 방법들 |
| 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 |
| WO2017164297A1 (ja) * | 2016-03-25 | 2017-09-28 | パナソニックＩｐマネジメント株式会社 | 信号依存型適応量子化を用いて動画像を符号化及び復号するための方法及び装置 |
| 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 |
| 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 |
| EP3759913A1 (en) * | 2018-02-26 | 2021-01-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selective quantization parameter transmission |
| 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 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 |
| CN117395420A (zh) | 2019-08-15 | 2024-01-12 | 字节跳动有限公司 | 用于调色板逸出符号的熵编解码 |
| EP4000269A4 (en) | 2019-08-15 | 2022-09-07 | ByteDance Inc. | PALLET MODE WITH DIFFERENT DIVISION STRUCTURES |
| CN114402609B (zh) | 2019-09-14 | 2025-07-15 | 字节跳动有限公司 | 视频编解码中的色度量化参数 |
| KR102624438B1 (ko) | 2019-09-19 | 2024-01-15 | 바이트댄스 아이엔씨 | 팔레트 모드에 대한 양자화 파라미터 도출 |
| 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 |
| EP4035367A1 (en) * | 2019-09-23 | 2022-08-03 | 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 |
| 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 |
| WO2021121418A1 (en) | 2019-12-19 | 2021-06-24 | Beijing Bytedance Network Technology Co., Ltd. | Joint use of adaptive colour transform and differential coding of video |
| CN115211123A (zh) | 2020-01-05 | 2022-10-18 | 抖音视界有限公司 | 视频编解码的通用约束信息 |
| 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)
| 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 |
| US7813574B2 (en) * | 2003-09-24 | 2010-10-12 | 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 |
| EP2136566A4 (en) * | 2007-04-16 | 2012-07-18 | Toshiba Kk | METHOD AND DEVICE FOR IMAGE ENCODING AND IMAGE DECODING |
| 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 |
-
2013
- 2013-04-15 US US13/863,197 patent/US20130272390A1/en not_active Abandoned
- 2013-04-16 KR KR1020147032066A patent/KR20150008412A/ko not_active Ceased
- 2013-04-16 JP JP2015505994A patent/JP2015516770A/ja active Pending
- 2013-04-16 WO PCT/US2013/036799 patent/WO2013158656A2/en not_active Ceased
- 2013-04-16 CN CN201380019894.2A patent/CN104221378B/zh not_active Expired - Fee Related