ZA202107661B - Implicit transform selection in video coding - Google Patents
Implicit transform selection in video codingInfo
- Publication number
- ZA202107661B ZA202107661B ZA2021/07661A ZA202107661A ZA202107661B ZA 202107661 B ZA202107661 B ZA 202107661B ZA 2021/07661 A ZA2021/07661 A ZA 2021/07661A ZA 202107661 A ZA202107661 A ZA 202107661A ZA 202107661 B ZA202107661 B ZA 202107661B
- Authority
- ZA
- South Africa
- Prior art keywords
- block
- transform
- current
- video block
- video coding
- Prior art date
Links
- 238000000034 method Methods 0.000 abstract 1
- 238000000638 solvent extraction Methods 0.000 abstract 1
- 230000001131 transforming effect Effects 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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
-
- 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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
-
- 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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
-
- 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
- H04N19/134—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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
-
- 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
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/62—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding by frequency transforming in three dimensions
-
- 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
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962817397P | 2019-03-12 | 2019-03-12 | |
| US16/815,920 US11539952B2 (en) | 2019-03-12 | 2020-03-11 | Implicit transform selection in video coding |
| PCT/US2020/022363 WO2020186042A1 (en) | 2019-03-12 | 2020-03-12 | Implicit transform selection in video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA202107661B true ZA202107661B (en) | 2025-01-29 |
Family
ID=72423554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2021/07661A ZA202107661B (en) | 2019-03-12 | 2021-10-11 | Implicit transform selection in video coding |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US11539952B2 (enExample) |
| EP (1) | EP3939280A1 (enExample) |
| JP (1) | JP2022525024A (enExample) |
| KR (1) | KR20210135245A (enExample) |
| CN (1) | CN113545053B (enExample) |
| AU (1) | AU2020235621B2 (enExample) |
| BR (1) | BR112021017451A2 (enExample) |
| CA (1) | CA3131886A1 (enExample) |
| CL (1) | CL2021002369A1 (enExample) |
| CO (1) | CO2021011797A2 (enExample) |
| IL (1) | IL285755B2 (enExample) |
| MX (1) | MX2021010861A (enExample) |
| MY (1) | MY209013A (enExample) |
| PH (1) | PH12021552027A1 (enExample) |
| SA (1) | SA521430172B1 (enExample) |
| SG (1) | SG11202109072PA (enExample) |
| TW (1) | TWI857025B (enExample) |
| WO (1) | WO2020186042A1 (enExample) |
| ZA (1) | ZA202107661B (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109151468B (zh) * | 2017-06-28 | 2020-12-08 | 华为技术有限公司 | 一种图像数据的编码、解码方法及装置 |
| US11259052B2 (en) * | 2018-07-16 | 2022-02-22 | Qualcomm Incorporated | Transform variations of multiple separable transform selection |
| KR20240052873A (ko) * | 2019-03-03 | 2024-04-23 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 변환 프로세스를 위해 사용되는 인코더, 디코더 및 대응하는 방법 |
| US11159795B2 (en) * | 2019-03-04 | 2021-10-26 | Tencent America LLC | Max transform size control |
| US11252410B2 (en) | 2019-06-11 | 2022-02-15 | Tencent America LLC | Method and apparatus for video coding |
| RS67060B1 (sr) * | 2019-09-21 | 2025-08-29 | Lg Electronics Inc | Kodiranje slike na osnovu transformacije |
| IL305709A (en) * | 2021-03-18 | 2023-11-01 | Interdigital Ce Patent Holdings | A method or an apparatus for generating film grain parameters, a method or an apparatus for generating a block of pixels with film grain pattern |
| US11575941B2 (en) * | 2021-03-23 | 2023-02-07 | Tencent America LLC | Parallel processing in video coding |
| CN113286150B (zh) * | 2021-05-17 | 2023-03-24 | 北京大学深圳研究生院 | 用于视频编解码的变换编码硬件实现方法、装置及设备 |
| US20230052538A1 (en) * | 2021-08-13 | 2023-02-16 | Meta Platforms, Inc. | Systems and methods for determining token rates within a rate-distortion optimization hardware pipeline |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130003856A1 (en) * | 2011-07-01 | 2013-01-03 | Samsung Electronics Co. Ltd. | Mode-dependent transforms for residual coding with low latency |
| CN107509078B (zh) * | 2012-04-16 | 2021-07-20 | 韩国电子通信研究院 | 用于解码视频信号的方法 |
| US9380307B2 (en) * | 2012-11-19 | 2016-06-28 | Qualcomm Incorporated | Method and system for intra base layer (BL) transform in video coding |
| US9432109B2 (en) * | 2013-09-04 | 2016-08-30 | Gilat Satellite Networks Ltd. | Satellite communication terminal installation |
| US10306229B2 (en) * | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
| US9807423B1 (en) * | 2015-11-24 | 2017-10-31 | Google Inc. | Hybrid transform scheme for video coding |
| US10972733B2 (en) | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
| WO2019004749A1 (ko) * | 2017-06-28 | 2019-01-03 | 엘지전자 주식회사 | 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치 |
| KR20240159015A (ko) | 2018-02-09 | 2024-11-05 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 파티션 기반 인트라 코딩 개념 |
| US10986340B2 (en) | 2018-06-01 | 2021-04-20 | Qualcomm Incorporated | Coding adaptive multiple transform information for video coding |
| US11218694B2 (en) | 2018-09-24 | 2022-01-04 | Qualcomm Incorporated | Adaptive multiple transform coding |
| CN118612465A (zh) * | 2019-03-06 | 2024-09-06 | 韩国电子通信研究院 | 图像编码/解码方法和设备以及存储比特流的记录介质 |
| CN111669582B (zh) | 2019-03-09 | 2022-05-20 | 杭州海康威视数字技术股份有限公司 | 进行编码和解码的方法、编码端、解码端和系统 |
-
2020
- 2020-03-11 US US16/815,920 patent/US11539952B2/en active Active
- 2020-03-12 KR KR1020217028592A patent/KR20210135245A/ko active Pending
- 2020-03-12 BR BR112021017451A patent/BR112021017451A2/pt unknown
- 2020-03-12 IL IL285755A patent/IL285755B2/en unknown
- 2020-03-12 TW TW109108190A patent/TWI857025B/zh active
- 2020-03-12 WO PCT/US2020/022363 patent/WO2020186042A1/en not_active Ceased
- 2020-03-12 SG SG11202109072PA patent/SG11202109072PA/en unknown
- 2020-03-12 MX MX2021010861A patent/MX2021010861A/es unknown
- 2020-03-12 CA CA3131886A patent/CA3131886A1/en active Pending
- 2020-03-12 AU AU2020235621A patent/AU2020235621B2/en active Active
- 2020-03-12 MY MYPI2021004720A patent/MY209013A/en unknown
- 2020-03-12 PH PH1/2021/552027A patent/PH12021552027A1/en unknown
- 2020-03-12 EP EP20717468.1A patent/EP3939280A1/en active Pending
- 2020-03-12 CN CN202080018569.4A patent/CN113545053B/zh active Active
- 2020-03-12 JP JP2021552915A patent/JP2022525024A/ja active Pending
-
2021
- 2021-08-26 SA SA521430172A patent/SA521430172B1/ar unknown
- 2021-09-08 CO CONC2021/0011797A patent/CO2021011797A2/es unknown
- 2021-09-10 CL CL2021002369A patent/CL2021002369A1/es unknown
- 2021-10-11 ZA ZA2021/07661A patent/ZA202107661B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN113545053B (zh) | 2025-06-27 |
| EP3939280A1 (en) | 2022-01-19 |
| US20200296370A1 (en) | 2020-09-17 |
| IL285755B2 (en) | 2025-03-01 |
| TWI857025B (zh) | 2024-10-01 |
| TW202041017A (zh) | 2020-11-01 |
| CA3131886A1 (en) | 2020-09-17 |
| SA521430172B1 (ar) | 2024-08-28 |
| SG11202109072PA (en) | 2021-09-29 |
| BR112021017451A2 (pt) | 2021-11-16 |
| US11539952B2 (en) | 2022-12-27 |
| JP2022525024A (ja) | 2022-05-11 |
| CL2021002369A1 (es) | 2022-06-17 |
| MX2021010861A (es) | 2021-10-22 |
| MY209013A (en) | 2025-06-17 |
| IL285755A (en) | 2021-10-31 |
| CN113545053A (zh) | 2021-10-22 |
| AU2020235621B2 (en) | 2024-11-28 |
| WO2020186042A1 (en) | 2020-09-17 |
| KR20210135245A (ko) | 2021-11-12 |
| CO2021011797A2 (es) | 2021-09-30 |
| IL285755B1 (en) | 2024-11-01 |
| PH12021552027A1 (en) | 2022-08-22 |
| AU2020235621A1 (en) | 2021-09-23 |
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