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
- 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 | 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=) |
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 |
| 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 |
| 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 |
| 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 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
-
2013
- 2013-04-15 US US13/863,197 patent/US20130272390A1/en not_active Abandoned
- 2013-04-16 JP JP2015505994A patent/JP2015516770A/ja active Pending
- 2013-04-16 CN CN201380019894.2A patent/CN104221378B/zh not_active Expired - Fee Related
- 2013-04-16 KR KR1020147032066A patent/KR20150008412A/ko not_active Ceased
- 2013-04-16 WO PCT/US2013/036799 patent/WO2013158656A2/en not_active Ceased
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