TWI877180B - 發訊色度量化參數(qp)映射表 - Google Patents
發訊色度量化參數(qp)映射表 Download PDFInfo
- Publication number
- TWI877180B TWI877180B TW109121849A TW109121849A TWI877180B TW I877180 B TWI877180 B TW I877180B TW 109121849 A TW109121849 A TW 109121849A TW 109121849 A TW109121849 A TW 109121849A TW I877180 B TWI877180 B TW I877180B
- Authority
- TW
- Taiwan
- Prior art keywords
- chroma
- block
- value
- mapping table
- video
- Prior art date
Links
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 (6)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW202107895A TW202107895A (zh) | 2021-02-16 |
| TWI877180B true TWI877180B (zh) | 2025-03-21 |
Family
ID=74044882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW109121849A TWI877180B (zh) | 2019-06-25 | 2020-06-29 | 發訊色度量化參數(qp)映射表 |
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 |
|---|---|---|---|---|
| WO2021006562A1 (ko) * | 2019-07-05 | 2021-01-14 | 엘지전자 주식회사 | 영상 디코딩 방법 및 그 장치 |
| 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 |
| US11356684B2 (en) * | 2019-08-30 | 2022-06-07 | Alibaba Group Holding Limited | Method and system for signaling chroma quantization parameter table |
| AU2020354852B2 (en) * | 2019-09-23 | 2025-07-10 | Huawei Technologies Co., Ltd. | Method and apparatus for chrominance quantization parameters signalling |
| CN119893102A (zh) * | 2019-10-28 | 2025-04-25 | Lg电子株式会社 | 图像编码/解码设备和用于发送数据的设备 |
| US12439095B2 (en) * | 2021-04-16 | 2025-10-07 | Tencent America LLC | Entropy coding of sign map for transform coefficients |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170085896A1 (en) * | 2015-09-21 | 2017-03-23 | Qualcomm Incorporated | Supplemental enhancement information (sei) messages for high dynamic range and wide color gamut video coding |
| US20190014330A1 (en) * | 2017-07-07 | 2019-01-10 | Qualcomm Incorporated | Precision of computation and signaling of dynamic range adjustment and color remapping information |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10298939B2 (en) * | 2011-06-22 | 2019-05-21 | Qualcomm Incorporated | Quantization in video coding |
| US9451287B2 (en) | 2011-11-08 | 2016-09-20 | 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 |
| WO2015130541A1 (en) * | 2014-02-26 | 2015-09-03 | 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 |
| US10652588B2 (en) * | 2015-09-21 | 2020-05-12 | 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 |
| EP3571843A1 (en) * | 2017-01-18 | 2019-11-27 | Dolby Laboratories Licensing Corporation | Segment-based reshaping for coding high dynamic range video |
| JP6876822B2 (ja) | 2017-03-21 | 2021-05-26 | 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 | ルミナンス情報を用いた量子化パラメーター予測 |
| 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 |
| CN119815031A (zh) * | 2018-06-21 | 2025-04-11 | 交互数字Vc控股公司 | 视频编码和解码中的细化模式处理 |
| SG11202111156PA (en) * | 2019-04-26 | 2021-11-29 | Huawei Tech Co Ltd | Method and apparatus for signaling of mapping function of chroma quantization parameter |
| KR102399065B1 (ko) * | 2019-05-28 | 2022-05-17 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 양자화 파라미터 시그널링 |
-
2020
- 2020-06-24 US US16/911,003 patent/US11146823B2/en active Active
- 2020-06-25 WO PCT/US2020/039626 patent/WO2020264164A1/en not_active Ceased
- 2020-06-25 KR KR1020217041706A patent/KR20220024117A/ko active Pending
- 2020-06-25 JP JP2021576133A patent/JP7565955B2/ja active Active
- 2020-06-25 BR BR112021025361A patent/BR112021025361A2/pt unknown
- 2020-06-25 EP EP20743002.6A patent/EP3991415A1/en active Pending
- 2020-06-25 CN CN202080045108.6A patent/CN113994678B/zh active Active
- 2020-06-29 TW TW109121849A patent/TWI877180B/zh active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170085896A1 (en) * | 2015-09-21 | 2017-03-23 | Qualcomm Incorporated | Supplemental enhancement information (sei) messages for high dynamic range and wide color gamut video coding |
| US20190014330A1 (en) * | 2017-07-07 | 2019-01-10 | Qualcomm Incorporated | Precision of computation and signaling of dynamic range adjustment and color remapping information |
Non-Patent Citations (1)
| Title |
|---|
| 網路文獻 Sergey Ikonin, Roman Chernyak, Elena Alshina AHG15: Signalling of chroma Qp mapping table Joint Video Experts Team (JVET) 2019-06-24 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113994678A (zh) | 2022-01-28 |
| WO2020264164A1 (en) | 2020-12-30 |
| BR112021025361A2 (pt) | 2022-02-01 |
| JP7565955B2 (ja) | 2024-10-11 |
| KR20220024117A (ko) | 2022-03-03 |
| TW202107895A (zh) | 2021-02-16 |
| JP2022538060A (ja) | 2022-08-31 |
| US11146823B2 (en) | 2021-10-12 |
| EP3991415A1 (en) | 2022-05-04 |
| US20200413101A1 (en) | 2020-12-31 |
| CN113994678B (zh) | 2025-01-14 |
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