BR112021025361A2 - Tabelas de mapeamento de parâmetros de quantização (qp) de croma de sinalização - Google Patents
Tabelas de mapeamento de parâmetros de quantização (qp) de croma de sinalizaçãoInfo
- Publication number
- BR112021025361A2 BR112021025361A2 BR112021025361A BR112021025361A BR112021025361A2 BR 112021025361 A2 BR112021025361 A2 BR 112021025361A2 BR 112021025361 A BR112021025361 A BR 112021025361A BR 112021025361 A BR112021025361 A BR 112021025361A BR 112021025361 A2 BR112021025361 A2 BR 112021025361A2
- Authority
- BR
- Brazil
- Prior art keywords
- chroma
- parameter mapping
- mapping tables
- chroma quantization
- signaling
- Prior art date
Links
- 238000013507 mapping Methods 0.000 title abstract 4
- 238000013139 quantization Methods 0.000 title abstract 3
- 230000011664 signaling Effects 0.000 title abstract 2
- 241000023320 Luma <angiosperm> Species 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
-
- 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
-
- 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
- H04N19/169—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
- H04N19/186—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 colour or a chrominance component
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962866561P | 2019-06-25 | 2019-06-25 | |
| US201962909626P | 2019-10-02 | 2019-10-02 | |
| US16/911,003 US11146823B2 (en) | 2019-06-25 | 2020-06-24 | Signalling chroma quantization parameter (QP) mapping tables |
| PCT/US2020/039626 WO2020264164A1 (en) | 2019-06-25 | 2020-06-25 | Signalling chroma quantization parameter (qp) mapping tables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021025361A2 true BR112021025361A2 (pt) | 2022-02-01 |
Family
ID=74044882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021025361A BR112021025361A2 (pt) | 2019-06-25 | 2020-06-25 | Tabelas de mapeamento de parâmetros de quantização (qp) de croma de sinalização |
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
Also Published As
| Publication number | Publication date |
|---|---|
| CN113994678B (zh) | 2025-01-14 |
| CN113994678A (zh) | 2022-01-28 |
| TWI877180B (zh) | 2025-03-21 |
| US11146823B2 (en) | 2021-10-12 |
| KR20220024117A (ko) | 2022-03-03 |
| EP3991415A1 (en) | 2022-05-04 |
| US20200413101A1 (en) | 2020-12-31 |
| JP7565955B2 (ja) | 2024-10-11 |
| JP2022538060A (ja) | 2022-08-31 |
| WO2020264164A1 (en) | 2020-12-30 |
| TW202107895A (zh) | 2021-02-16 |
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