JP2022538060A5 - - Google Patents
Info
- Publication number
- JP2022538060A5 JP2022538060A5 JP2021576133A JP2021576133A JP2022538060A5 JP 2022538060 A5 JP2022538060 A5 JP 2022538060A5 JP 2021576133 A JP2021576133 A JP 2021576133A JP 2021576133 A JP2021576133 A JP 2021576133A JP 2022538060 A5 JP2022538060 A5 JP 2022538060A5
- Authority
- JP
- Japan
- Prior art keywords
- chroma
- chroma block
- mapping table
- block
- value
- 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.)
- Granted
Links
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962866561P | 2019-06-25 | 2019-06-25 | |
| US62/866,561 | 2019-06-25 | ||
| US201962909626P | 2019-10-02 | 2019-10-02 | |
| US62/909,626 | 2019-10-02 | ||
| US16/911,003 US11146823B2 (en) | 2019-06-25 | 2020-06-24 | Signalling chroma quantization parameter (QP) mapping tables |
| US16/911,003 | 2020-06-24 | ||
| PCT/US2020/039626 WO2020264164A1 (en) | 2019-06-25 | 2020-06-25 | Signalling chroma quantization parameter (qp) mapping tables |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022538060A JP2022538060A (ja) | 2022-08-31 |
| JP2022538060A5 true JP2022538060A5 (https=) | 2023-06-08 |
| JP7565955B2 JP7565955B2 (ja) | 2024-10-11 |
Family
ID=74044882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021576133A Active JP7565955B2 (ja) | 2019-06-25 | 2020-06-25 | クロマ量子化パラメータ（ｑｐ）マッピングテーブルをシグナリングすること |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US11146823B2 (https=) |
| EP (1) | EP3991415A1 (https=) |
| JP (1) | JP7565955B2 (https=) |
| KR (1) | KR20220024117A (https=) |
| CN (1) | CN113994678B (https=) |
| BR (1) | BR112021025361A2 (https=) |
| TW (1) | TWI877180B (https=) |
| WO (1) | WO2020264164A1 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120302041A (zh) * | 2019-07-05 | 2025-07-11 | Lg 电子株式会社 | 图像解码方法及其设备 |
| CN114128275A (zh) * | 2019-07-12 | 2022-03-01 | 交互数字Vc控股法国有限公司 | 亮度到色度量化参数表信令 |
| WO2021040907A1 (en) * | 2019-08-30 | 2021-03-04 | Alibaba Group Holding Limited | Method and system for signaling chroma quantization parameter table |
| CN114586362A (zh) * | 2019-09-23 | 2022-06-03 | 华为技术有限公司 | 色度量化参数指示方法和装置 |
| WO2021086021A1 (ko) * | 2019-10-28 | 2021-05-06 | 엘지전자 주식회사 | 적응적 변환을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
| US12439095B2 (en) * | 2021-04-16 | 2025-10-07 | Tencent America LLC | Entropy coding of sign map for transform coefficients |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10298939B2 (en) * | 2011-06-22 | 2019-05-21 | Qualcomm Incorporated | Quantization in video coding |
| US9237358B2 (en) | 2011-11-08 | 2016-01-12 | Qualcomm Incorporated | Context reduction for context adaptive binary arithmetic coding |
| US9414054B2 (en) | 2012-07-02 | 2016-08-09 | Microsoft Technology Licensing, Llc | Control and use of chroma quantization parameter values |
| US9294766B2 (en) | 2013-09-09 | 2016-03-22 | Apple Inc. | Chroma quantization in video coding |
| EP3111645A1 (en) * | 2014-02-26 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Luminance based coding tools for video compression |
| EP3059937A1 (en) | 2015-02-20 | 2016-08-24 | Thomson Licensing | Method and apparatus for encoding color mapping information and processing pictures based on color mapping information |
| US10129558B2 (en) * | 2015-09-21 | 2018-11-13 | Qualcomm Incorporated | Supplement enhancement information (SEI) messages for high dynamic range and wide color gamut video coding |
| EP3354032A1 (en) * | 2015-09-21 | 2018-08-01 | VID SCALE, Inc. | Inverse reshaping for high dynamic range video coding |
| US11095877B2 (en) * | 2016-11-30 | 2021-08-17 | Microsoft Technology Licensing, Llc | Local hash-based motion estimation for screen remoting scenarios |
| JP6684971B2 (ja) * | 2017-01-18 | 2020-04-22 | ドルビー ラボラトリーズ ライセンシング コーポレイション | ハイダイナミックレンジ映像を符号化するためのセグメントベース再構成 |
| EP3566440B1 (en) | 2017-03-21 | 2020-12-02 | Dolby Laboratories Licensing Corporation | Quantization parameter prediction using luminance information |
| US10728559B2 (en) * | 2017-07-07 | 2020-07-28 | Qualcomm Incorporated | Precision of computation and signaling of dynamic range adjustment and color remapping information |
| WO2019148977A1 (en) * | 2018-02-01 | 2019-08-08 | Mediatek Inc. | Methods and apparatuses of video encoding or decoding with adaptive quantization of video data |
| US11259023B2 (en) | 2018-04-12 | 2022-02-22 | Qualcomm Incorporated | Harmonization of transform-based quantization and dynamic range adjustment scale derivation in video coding |
| BR112020026048A2 (pt) * | 2018-06-21 | 2021-03-23 | Interdigital Vc Holdings, Inc. | processamento de modo de refinamento em codificação e decodificação de vídeo |
| CN113785577B (zh) | 2019-04-26 | 2023-06-27 | 华为技术有限公司 | 用于指示色度量化参数映射函数的方法和装置 |
| EP4738833A2 (en) | 2019-05-28 | 2026-05-06 | Dolby Laboratories Licensing Corporation | Quantization parameter signaling |
-
2020
- 2020-06-24 US US16/911,003 patent/US11146823B2/en active Active
- 2020-06-25 EP EP20743002.6A patent/EP3991415A1/en active Pending
- 2020-06-25 CN CN202080045108.6A patent/CN113994678B/zh active Active
- 2020-06-25 WO PCT/US2020/039626 patent/WO2020264164A1/en not_active Ceased
- 2020-06-25 BR BR112021025361A patent/BR112021025361A2/pt unknown
- 2020-06-25 KR KR1020217041706A patent/KR20220024117A/ko active Pending
- 2020-06-25 JP JP2021576133A patent/JP7565955B2/ja active Active
- 2020-06-29 TW TW109121849A patent/TWI877180B/zh active