SG11202101799WA - Apparatus and method for inverse quantization - Google Patents
Apparatus and method for inverse quantizationInfo
- Publication number
- SG11202101799WA SG11202101799WA SG11202101799WA SG11202101799WA SG11202101799WA SG 11202101799W A SG11202101799W A SG 11202101799WA SG 11202101799W A SG11202101799W A SG 11202101799WA SG 11202101799W A SG11202101799W A SG 11202101799WA SG 11202101799W A SG11202101799W A SG 11202101799WA
- Authority
- SG
- Singapore
- Prior art keywords
- inverse quantization
- quantization
- inverse
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- 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
-
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- 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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
- H04N19/70—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
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/96—Tree coding, e.g. quad-tree coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862734982P | 2018-09-21 | 2018-09-21 | |
| US201862744125P | 2018-10-10 | 2018-10-10 | |
| US201862745983P | 2018-10-15 | 2018-10-15 | |
| PCT/CN2019/107134 WO2020057662A1 (en) | 2018-09-21 | 2019-09-21 | Apparatus and method for inverse quantization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202101799WA true SG11202101799WA (en) | 2021-03-30 |
Family
ID=69888333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202101799WA SG11202101799WA (en) | 2018-09-21 | 2019-09-21 | Apparatus and method for inverse quantization |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US11689723B2 (en) |
| EP (1) | EP3841748A4 (en) |
| JP (2) | JP7343573B2 (en) |
| KR (2) | KR102578075B1 (en) |
| CN (3) | CN112690000B (en) |
| AU (2) | AU2019342803B2 (en) |
| BR (1) | BR112021004984A2 (en) |
| CA (1) | CA3111118A1 (en) |
| MX (2) | MX2021003166A (en) |
| SG (1) | SG11202101799WA (en) |
| WO (1) | WO2020057662A1 (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112740683A (en) | 2018-09-24 | 2021-04-30 | 交互数字Vc控股公司 | Method and apparatus for determining chroma quantization parameters when using separate coding trees for luma and chroma |
| EP3700205A1 (en) * | 2019-02-19 | 2020-08-26 | Nokia Technologies Oy | Quantization parameter derivation for cross-channel residual encoding and decoding |
| US11418787B2 (en) | 2019-06-28 | 2022-08-16 | Qualcomm Incorporated | Chroma delta QP in video coding |
| KR102655352B1 (en) | 2019-08-22 | 2024-04-04 | 엘지전자 주식회사 | Video decoding method and device |
| KR102655346B1 (en) * | 2019-08-22 | 2024-04-05 | 엘지전자 주식회사 | Image decoding method and device using chroma quantization parameters |
| JP7381720B2 (en) * | 2019-08-30 | 2023-11-15 | 北京字節跳動網絡技術有限公司 | Subpartitioning in intracoding |
| US11395014B2 (en) * | 2019-09-18 | 2022-07-19 | Qualcomm Incorporated | Transform unit design for video coding |
| US12170777B2 (en) * | 2019-11-05 | 2024-12-17 | Lg Electronics Inc. | Video decoding method and device for coding chroma quantization parameter offset-related information |
| WO2021170058A1 (en) | 2020-02-27 | 2021-09-02 | Beijing Bytedance Network Technology Co., Ltd. | Transform skip residual coding |
| CN115428444B (en) | 2020-04-01 | 2025-01-17 | 抖音视界有限公司 | Constraint on adaptive parameter set syntax elements |
| WO2021204135A1 (en) | 2020-04-07 | 2021-10-14 | Beijing Bytedance Network Technology Co., Ltd. | Signaling and inference of subpicture related syntax element |
| JP7506175B2 (en) | 2020-04-09 | 2024-06-25 | 北京字節跳動網絡技術有限公司 | Deblocking signaling in video coding - Patents.com |
| WO2021204251A1 (en) | 2020-04-10 | 2021-10-14 | Beijing Bytedance Network Technology Co., Ltd. | Use of header syntax elements and adaptation parameter set |
| US11381820B2 (en) * | 2020-04-13 | 2022-07-05 | Tencent America LLC | Method and apparatus for video coding |
| WO2021209061A1 (en) | 2020-04-17 | 2021-10-21 | Beijing Bytedance Network Technology Co., Ltd. | Presence of adaptation parameter set units |
| WO2021222037A1 (en) | 2020-04-26 | 2021-11-04 | Bytedance Inc. | Conditional signaling of weighted prediction information |
| CN115668926A (en) * | 2020-05-27 | 2023-01-31 | 字节跳动有限公司 | Using sub-pictures and slices in video coding |
| JP2023030585A (en) * | 2021-08-23 | 2023-03-08 | キヤノン株式会社 | Image encoder, method and program |
| CN117221564B (en) * | 2022-01-21 | 2025-01-17 | 杭州海康威视数字技术股份有限公司 | Video decoding method, device and storage medium |
| CN119452652A (en) * | 2022-06-10 | 2025-02-14 | 抖音视界有限公司 | Method, device and medium for video processing |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4617644B2 (en) * | 2003-07-18 | 2011-01-26 | ソニー株式会社 | Encoding apparatus and method |
| US9451258B2 (en) * | 2012-04-03 | 2016-09-20 | Qualcomm Incorporated | Chroma slice-level QP offset and deblocking |
| US9414054B2 (en) * | 2012-07-02 | 2016-08-09 | Microsoft Technology Licensing, Llc | Control and use of chroma quantization parameter values |
| GB2512826B (en) * | 2013-04-05 | 2017-05-10 | Canon Kk | Method and device for determining the value of a quantization parameter |
| EP2843949B1 (en) * | 2013-06-28 | 2020-04-29 | Velos Media International Limited | Methods and devices for emulating low-fidelity coding in a high-fidelity coder |
| US9510002B2 (en) * | 2013-09-09 | 2016-11-29 | Apple Inc. | Chroma quantization in video coding |
| US10142642B2 (en) * | 2014-06-04 | 2018-11-27 | Qualcomm Incorporated | Block adaptive color-space conversion coding |
| CN105338352B (en) * | 2014-07-24 | 2019-04-19 | 华为技术有限公司 | Adaptive quantification method and device in a kind of Video coding |
| US9883184B2 (en) * | 2014-10-07 | 2018-01-30 | Qualcomm Incorporated | QP derivation and offset for adaptive color transform in video coding |
| EP3219099B1 (en) * | 2014-12-19 | 2021-04-28 | HFI Innovation Inc. | Methods of palette based prediction for non-444 color format in video and image coding |
| AU2016212243B2 (en) * | 2015-01-30 | 2020-11-26 | Interdigital Vc Holdings, Inc. | A method and apparatus of encoding and decoding a color picture |
| KR102741824B1 (en) * | 2015-07-08 | 2024-12-11 | 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 | Enhanced chroma coding using cross plane filtering |
| US10701361B2 (en) * | 2015-11-30 | 2020-06-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Encoding of pictures in a video |
| WO2017219342A1 (en) * | 2016-06-24 | 2017-12-28 | Mediatek Inc. | Methods of signaling quantization parameter for quad-tree plus binary tree structure |
| US10448056B2 (en) | 2016-07-15 | 2019-10-15 | Qualcomm Incorporated | Signaling of quantization information in non-quadtree-only partitioned video coding |
| CN115052143A (en) | 2016-08-01 | 2022-09-13 | 韩国电子通信研究院 | Image encoding/decoding method |
| CN118678064A (en) | 2016-10-04 | 2024-09-20 | Lx 半导体科技有限公司 | Image encoding/decoding method and image data transmitting method |
-
2019
- 2019-09-21 KR KR1020217007947A patent/KR102578075B1/en active IP Right Grant
- 2019-09-21 CN CN201980060158.9A patent/CN112690000B/en active Active
- 2019-09-21 CN CN202210119577.9A patent/CN115052144A/en active Pending
- 2019-09-21 CN CN202210118438.4A patent/CN114598875B/en active Active
- 2019-09-21 BR BR112021004984-3A patent/BR112021004984A2/en unknown
- 2019-09-21 JP JP2021515469A patent/JP7343573B2/en active Active
- 2019-09-21 SG SG11202101799WA patent/SG11202101799WA/en unknown
- 2019-09-21 AU AU2019342803A patent/AU2019342803B2/en active Active
- 2019-09-21 EP EP19861798.7A patent/EP3841748A4/en active Pending
- 2019-09-21 CA CA3111118A patent/CA3111118A1/en active Pending
- 2019-09-21 MX MX2021003166A patent/MX2021003166A/en unknown
- 2019-09-21 KR KR1020237030714A patent/KR20230135159A/en not_active Application Discontinuation
- 2019-09-21 WO PCT/CN2019/107134 patent/WO2020057662A1/en unknown
-
2021
- 2021-03-17 MX MX2024010755A patent/MX2024010755A/en unknown
- 2021-03-19 US US17/249,946 patent/US11689723B2/en active Active
-
2023
- 2023-05-09 US US18/195,007 patent/US20230291902A1/en active Pending
- 2023-08-31 JP JP2023140910A patent/JP2023164490A/en active Pending
- 2023-10-11 AU AU2023248107A patent/AU2023248107A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR102578075B1 (en) | 2023-09-12 |
| MX2021003166A (en) | 2021-05-14 |
| CN114598875B (en) | 2023-03-24 |
| EP3841748A1 (en) | 2021-06-30 |
| WO2020057662A1 (en) | 2020-03-26 |
| BR112021004984A2 (en) | 2021-06-08 |
| JP2023164490A (en) | 2023-11-10 |
| CA3111118A1 (en) | 2020-03-26 |
| CN112690000A (en) | 2021-04-20 |
| JP7343573B2 (en) | 2023-09-12 |
| KR20210045458A (en) | 2021-04-26 |
| US11689723B2 (en) | 2023-06-27 |
| EP3841748A4 (en) | 2021-10-27 |
| MX2024010755A (en) | 2024-09-10 |
| US20210218968A1 (en) | 2021-07-15 |
| AU2023248107A1 (en) | 2023-11-09 |
| US20230291902A1 (en) | 2023-09-14 |
| AU2019342803A1 (en) | 2021-03-18 |
| CN115052144A (en) | 2022-09-13 |
| CN112690000B (en) | 2022-02-18 |
| AU2019342803B2 (en) | 2023-07-13 |
| CN114598875A (en) | 2022-06-07 |
| KR20230135159A (en) | 2023-09-22 |
| JP2022500943A (en) | 2022-01-04 |
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