GB2506852B - Method and device for determining the value of a quantization parameter - Google Patents
Method and device for determining the value of a quantization parameterInfo
- Publication number
- GB2506852B GB2506852B GB1217444.7A GB201217444A GB2506852B GB 2506852 B GB2506852 B GB 2506852B GB 201217444 A GB201217444 A GB 201217444A GB 2506852 B GB2506852 B GB 2506852B
- Authority
- GB
- United Kingdom
- Prior art keywords
- determining
- value
- quantization parameter
- quantization
- parameter
- 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.)
- Active
Links
Classifications
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- 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
- H04N19/10—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
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1217444.7A GB2506852B (en) | 2012-09-28 | 2012-09-28 | Method and device for determining the value of a quantization parameter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1217444.7A GB2506852B (en) | 2012-09-28 | 2012-09-28 | Method and device for determining the value of a quantization parameter |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201217444D0 GB201217444D0 (en) | 2012-11-14 |
GB2506852A GB2506852A (en) | 2014-04-16 |
GB2506852B true GB2506852B (en) | 2015-09-30 |
Family
ID=47225416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1217444.7A Active GB2506852B (en) | 2012-09-28 | 2012-09-28 | Method and device for determining the value of a quantization parameter |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2506852B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11856232B2 (en) | 2019-05-28 | 2023-12-26 | Dolby Laboratories Licensing Corporation | Quantization parameter signaling |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020182116A1 (en) * | 2019-03-10 | 2020-09-17 | Huawei Technologies Co., Ltd. | An encoder, a decoder and corresponding methods using an adaptive loop filter |
CN117714687A (en) * | 2019-04-26 | 2024-03-15 | 华为技术有限公司 | Method and device for acquiring chroma QP of chroma component according to luminance QP of luminance component |
JP7321364B2 (en) | 2019-09-14 | 2023-08-04 | バイトダンス インコーポレイテッド | Chroma quantization parameter in video coding |
WO2021072177A1 (en) | 2019-10-09 | 2021-04-15 | Bytedance Inc. | Cross-component adaptive loop filtering in video coding |
JP7443509B2 (en) * | 2019-10-14 | 2024-03-05 | バイトダンス インコーポレイテッド | Using chroma quantization parameters in video coding |
JP7508558B2 (en) | 2019-12-09 | 2024-07-01 | バイトダンス インコーポレイテッド | Using Quantization Groups in Video Coding |
CN114902657A (en) | 2019-12-31 | 2022-08-12 | 字节跳动有限公司 | Adaptive color transform in video coding and decoding |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030147463A1 (en) * | 2001-11-30 | 2003-08-07 | 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 |
-
2012
- 2012-09-28 GB GB1217444.7A patent/GB2506852B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030147463A1 (en) * | 2001-11-30 | 2003-08-07 | 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 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11856232B2 (en) | 2019-05-28 | 2023-12-26 | Dolby Laboratories Licensing Corporation | Quantization parameter signaling |
Also Published As
Publication number | Publication date |
---|---|
GB201217444D0 (en) | 2012-11-14 |
GB2506852A (en) | 2014-04-16 |
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