SG11202111444PA - Method and apparatus for reducing context models for entropy coding of transform coefficient significant flag - Google Patents
Method and apparatus for reducing context models for entropy coding of transform coefficient significant flagInfo
- Publication number
- SG11202111444PA SG11202111444PA SG11202111444PA SG11202111444PA SG11202111444PA SG 11202111444P A SG11202111444P A SG 11202111444PA SG 11202111444P A SG11202111444P A SG 11202111444PA SG 11202111444P A SG11202111444P A SG 11202111444PA SG 11202111444P A SG11202111444P A SG 11202111444PA
- Authority
- SG
- Singapore
- Prior art keywords
- transform coefficient
- entropy coding
- context models
- significant flag
- reducing context
- Prior art date
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
- H04N19/60—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
- H04N19/10—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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- 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
- H04N19/18—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 set of transform coefficients
-
- 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
- H04N19/90—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
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic 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
- H04N19/134—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
- H04N19/167—Position within a video image, e.g. region of interest [ROI]
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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962863742P | 2019-06-19 | 2019-06-19 | |
| US16/904,000 US11212555B2 (en) | 2019-06-19 | 2020-06-17 | Method of reducing context models for entropy coding of transform coefficient significant flag |
| PCT/US2020/038417 WO2020257447A1 (en) | 2019-06-19 | 2020-06-18 | Method and apparatus for reducing context models for entropy coding of transform coefficient significant flag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202111444PA true SG11202111444PA (en) | 2021-11-29 |
Family
ID=74039020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202111444PA SG11202111444PA (en) | 2019-06-19 | 2020-06-18 | Method and apparatus for reducing context models for entropy coding of transform coefficient significant flag |
Country Status (9)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119520780A (zh) * | 2018-07-02 | 2025-02-25 | 交互数字Vc控股公司 | 基于上下文的二进制算术编码和解码的方法和装置 |
| US11212555B2 (en) * | 2019-06-19 | 2021-12-28 | Tencent America LLC | Method of reducing context models for entropy coding of transform coefficient significant flag |
| WO2024017259A1 (en) * | 2022-07-19 | 2024-01-25 | Douyin Vision Co., Ltd. | Method, apparatus, and medium for video processing |
| WO2024255475A1 (en) * | 2023-06-15 | 2024-12-19 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Coding and decoding methods, bitstream, encoder, decoder and storage medium |
| WO2025157256A1 (en) * | 2024-01-26 | 2025-07-31 | Mediatek Inc. | Entropy coding transform coefficients in video coding system |
| WO2025157021A1 (en) * | 2024-01-26 | 2025-07-31 | Mediatek Inc. | Adaptive entropy coding transform coefficients in video coding system |
| CN118504427B (zh) * | 2024-07-17 | 2024-09-20 | 南京信息工程大学 | 一种遥感图像精确分割方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3413720B2 (ja) * | 1998-06-26 | 2003-06-09 | ソニー株式会社 | 画像符号化方法及び装置、並びに画像復号方法及び装置 |
| CA2528012C (en) | 2003-06-02 | 2015-11-24 | University Of Massachusetts | Methods and compositions for controlling efficacy of rna silencing |
| AU2012200319B2 (en) * | 2012-01-19 | 2015-11-26 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding the significance map for residual coefficients of a transform unit |
| US9350998B2 (en) * | 2012-06-29 | 2016-05-24 | Qualcomm Incorporated | Coding of significance flags |
| US20150264404A1 (en) * | 2014-03-17 | 2015-09-17 | Nokia Technologies Oy | Method and apparatus for video coding and decoding |
| US10616604B2 (en) * | 2015-09-01 | 2020-04-07 | Qualcomm Incorporated | Coefficient level coding in video coding |
| WO2017041271A1 (en) * | 2015-09-10 | 2017-03-16 | Mediatek Singapore Pte. Ltd. | Efficient context modeling for coding a block of data |
| WO2017134992A1 (ja) * | 2016-02-03 | 2017-08-10 | シャープ株式会社 | 予測画像生成装置、動画像復号装置および動画像符号化装置 |
| EP3364656A1 (en) | 2017-02-15 | 2018-08-22 | Thomson Licensing | Method for sample adaptive offset coding |
| US11477492B2 (en) * | 2017-08-04 | 2022-10-18 | Google Inc. | Adaptation for entropy coding of blocks of image data |
| US10484695B2 (en) * | 2017-10-23 | 2019-11-19 | Google Llc | Refined entropy coding for level maps |
| EP3503557A1 (en) * | 2017-12-22 | 2019-06-26 | Thomson Licensing | Method and apparatus for video encoding and decoding based on context switching |
| US11212555B2 (en) * | 2019-06-19 | 2021-12-28 | Tencent America LLC | Method of reducing context models for entropy coding of transform coefficient significant flag |
-
2020
- 2020-06-17 US US16/904,000 patent/US11212555B2/en active Active
- 2020-06-18 JP JP2021545447A patent/JP7361782B2/ja active Active
- 2020-06-18 CN CN202311503740.2A patent/CN117319658A/zh active Pending
- 2020-06-18 KR KR1020217018961A patent/KR102630441B1/ko active Active
- 2020-06-18 AU AU2020298230A patent/AU2020298230B2/en active Active
- 2020-06-18 SG SG11202111444PA patent/SG11202111444PA/en unknown
- 2020-06-18 CN CN202311454392.4A patent/CN117319657A/zh active Pending
- 2020-06-18 EP EP20826974.6A patent/EP3987664A4/en active Pending
- 2020-06-18 KR KR1020247002768A patent/KR20240017099A/ko active Pending
- 2020-06-18 WO PCT/US2020/038417 patent/WO2020257447A1/en unknown
- 2020-06-18 CA CA3137319A patent/CA3137319A1/en active Pending
- 2020-06-18 CN CN202080023832.9A patent/CN113678378B/zh active Active
-
2021
- 2021-10-05 US US17/450,013 patent/US11563978B2/en active Active
-
2022
- 2022-11-28 US US18/070,014 patent/US11805277B2/en active Active
-
2023
- 2023-05-01 AU AU2023202653A patent/AU2023202653B2/en active Active
- 2023-07-13 JP JP2023115251A patent/JP7596458B2/ja active Active
- 2023-09-29 US US18/478,532 patent/US12212780B2/en active Active
-
2024
- 2024-10-31 AU AU2024241581A patent/AU2024241581A1/en active Pending
- 2024-11-27 JP JP2024206395A patent/JP2025036426A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020257447A1 (en) | 2020-12-24 |
| JP7596458B2 (ja) | 2024-12-09 |
| AU2024241581A1 (en) | 2024-11-21 |
| US11805277B2 (en) | 2023-10-31 |
| JP2022520340A (ja) | 2022-03-30 |
| KR102630441B1 (ko) | 2024-01-31 |
| EP3987664A1 (en) | 2022-04-27 |
| US20240031605A1 (en) | 2024-01-25 |
| CA3137319A1 (en) | 2020-12-24 |
| US20220030273A1 (en) | 2022-01-27 |
| JP2025036426A (ja) | 2025-03-14 |
| AU2020298230A1 (en) | 2021-11-11 |
| US11563978B2 (en) | 2023-01-24 |
| CN113678378A (zh) | 2021-11-19 |
| AU2023202653A1 (en) | 2023-05-18 |
| CN117319657A (zh) | 2023-12-29 |
| JP7361782B2 (ja) | 2023-10-16 |
| CN113678378B (zh) | 2023-11-10 |
| CN117319658A (zh) | 2023-12-29 |
| KR20210093321A (ko) | 2021-07-27 |
| US12212780B2 (en) | 2025-01-28 |
| AU2020298230B2 (en) | 2023-02-09 |
| KR20240017099A (ko) | 2024-02-06 |
| US20230090063A1 (en) | 2023-03-23 |
| US20200404328A1 (en) | 2020-12-24 |
| JP2023129480A (ja) | 2023-09-14 |
| EP3987664A4 (en) | 2023-06-07 |
| AU2023202653B2 (en) | 2024-08-01 |
| US11212555B2 (en) | 2021-12-28 |
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