BR112021018855A2 - Seleção de multitransformadas estendida para codificação de vídeo - Google Patents
Seleção de multitransformadas estendida para codificação de vídeoInfo
- Publication number
- BR112021018855A2 BR112021018855A2 BR112021018855A BR112021018855A BR112021018855A2 BR 112021018855 A2 BR112021018855 A2 BR 112021018855A2 BR 112021018855 A BR112021018855 A BR 112021018855A BR 112021018855 A BR112021018855 A BR 112021018855A BR 112021018855 A2 BR112021018855 A2 BR 112021018855A2
- Authority
- BR
- Brazil
- Prior art keywords
- transform
- multitransform
- encoding
- selection
- extended
- 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
- H04N19/60—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]
-
- 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
- H04N19/10—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
- H04N19/134—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
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
- H04N19/169—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
- H04N19/70—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
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
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 (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962830125P | 2019-04-05 | 2019-04-05 | |
| US201962855398P | 2019-05-31 | 2019-05-31 | |
| US16/838,553 US11240534B2 (en) | 2019-04-05 | 2020-04-02 | Extended multiple transform selection for video coding |
| PCT/US2020/026620 WO2020206286A1 (en) | 2019-04-05 | 2020-04-03 | Extended multiple transform selection for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021018855A2 true BR112021018855A2 (pt) | 2021-11-30 |
Family
ID=72663297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021018855A BR112021018855A2 (pt) | 2019-04-05 | 2020-04-03 | Seleção de multitransformadas estendida para codificação de vídeo |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US11240534B2 (https=) |
| EP (1) | EP3949399A1 (https=) |
| JP (1) | JP7545410B2 (https=) |
| KR (1) | KR20210142642A (https=) |
| CN (2) | CN119865607A (https=) |
| BR (1) | BR112021018855A2 (https=) |
| SG (1) | SG11202109470VA (https=) |
| WO (1) | WO2020206286A1 (https=) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11070806B2 (en) * | 2017-06-28 | 2021-07-20 | Lg Electronics Inc. | Method and apparatus for performing low complexity computation in transform kernel for video compression |
| US11240534B2 (en) | 2019-04-05 | 2022-02-01 | Qualcomm Incorporated | Extended multiple transform selection for video coding |
| AU2019232801A1 (en) | 2019-09-17 | 2021-04-01 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding a block of video samples |
| US11252410B2 (en) * | 2019-06-11 | 2022-02-15 | Tencent America LLC | Method and apparatus for video coding |
| US11695960B2 (en) | 2019-06-14 | 2023-07-04 | Qualcomm Incorporated | Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding |
| MX2021016152A (es) * | 2019-06-19 | 2022-02-22 | Lg Electronics Inc | Se?alizacion de informacion que indica el conjunto de nucleo de transformacion en codificacion de imagen. |
| US12126835B2 (en) * | 2019-06-21 | 2024-10-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for non-separable transform selection in an encoder and decoder |
| US11949870B2 (en) | 2019-06-21 | 2024-04-02 | Qualcomm Incorporated | Context modeling for low-frequency non-separable transformation signaling for video coding |
| BR112022001333A2 (pt) * | 2019-08-06 | 2022-03-22 | Interdigital Vc Holdings France Sas | Transformação secundária para codificação e decodificação de vídeo |
| JP7655899B2 (ja) * | 2019-09-13 | 2025-04-02 | インターディジタル・シーイー・パテント・ホールディングス・ソシエテ・パ・アクシオンス・シンプリフィエ | コード化ツールとの変換サイズの相互作用 |
| CN120281921A (zh) * | 2019-09-16 | 2025-07-08 | 交互数字Ce专利控股有限公司 | 用于快速视频编码器的二次变换 |
| MX2022003319A (es) * | 2019-09-21 | 2022-06-16 | Lg Electronics Inc | Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo. |
| CN117528081A (zh) * | 2019-10-04 | 2024-02-06 | Lg电子株式会社 | 图像编码/解码设备及发送数据的设备 |
| EP4074036A4 (en) * | 2019-12-12 | 2023-12-20 | HFI Innovation Inc. | METHODS AND APPARATUS FOR RESTRICTED SECONDARY TRANSFORMATION AND ASSOCIATED SIGNALING IN IMAGE CODING |
| US12095997B2 (en) * | 2020-01-10 | 2024-09-17 | Lg Electronics Inc. | Transform-based image coding method and device for same |
| WO2021238828A1 (en) * | 2020-05-27 | 2021-12-02 | Beijing Bytedance Network Technology Co., Ltd. | Indication of multiple transform matrices in coded video |
| US11683490B2 (en) | 2020-09-10 | 2023-06-20 | Tencent America LLC | Context adaptive transform set |
| US11924471B2 (en) * | 2020-11-12 | 2024-03-05 | Qualcomm Incorporated | Context-based transform index signaling in video coding |
| CN116325750A (zh) * | 2021-08-30 | 2023-06-23 | 腾讯美国有限责任公司 | 用于具有自适应内核选项的二次变换的方法和装置 |
| US12003731B2 (en) | 2021-09-29 | 2024-06-04 | Qualcomm Incorporated | Adaptive determination of multiple transform candidates for video coding |
| US12452423B2 (en) * | 2021-12-03 | 2025-10-21 | Intel Corporation | Low frequency non-separable transform and multiple transform selection deadlock prevention |
| CN114422782B (zh) * | 2021-12-23 | 2023-09-19 | 北京达佳互联信息技术有限公司 | 视频编码方法、装置、存储介质及电子设备 |
| WO2023131299A1 (en) * | 2022-01-07 | 2023-07-13 | Mediatek Inc. | Signaling for transform coding |
| EP4550781A1 (en) * | 2022-07-01 | 2025-05-07 | LG Electronics Inc. | Image encoding/decoding method and device, and recording medium in which bitstream is stored |
| EP4604543A1 (en) * | 2022-10-12 | 2025-08-20 | LG Electronics Inc. | Image encoding/decoding method and apparatus, and recording medium on which bitstream is stored |
| CN119999215A (zh) * | 2022-10-12 | 2025-05-13 | Lg 电子株式会社 | 视频编码/解码方法和设备、以及存储比特流的记录介质 |
| WO2024158549A1 (en) * | 2023-01-24 | 2024-08-02 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Determination of intra prediction mode for indexation into non-separable transform kernels |
| EP4681427A1 (en) * | 2023-04-06 | 2026-01-21 | InterDigital CE Patent Holdings, SAS | Non-separable transforms for low delay applications |
| US20250175644A1 (en) * | 2023-11-28 | 2025-05-29 | Tencent America LLC | Systems and methods for applying non-separable transforms on inter prediction residuals |
| WO2025116668A1 (ko) * | 2023-11-30 | 2025-06-05 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
| US20250233992A1 (en) * | 2024-01-12 | 2025-07-17 | Tencent America LLC | List construction and signaling of transform types and transform sets |
| WO2025209169A1 (en) * | 2024-04-03 | 2025-10-09 | Mediatek Inc. | Methods and apparatus for low-frequency non-separable transform with multiple transform sets in a video coding system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201132129A (en) * | 2009-08-06 | 2011-09-16 | Panasonic Corp | Encoding method, decoding method, encoding device and decoding device |
| US8063801B2 (en) * | 2010-02-26 | 2011-11-22 | Research In Motion Limited | Encoding and decoding methods and devices using a secondary codeword indicator |
| US9172968B2 (en) * | 2010-07-09 | 2015-10-27 | Qualcomm Incorporated | Video coding using directional transforms |
| KR102471528B1 (ko) * | 2011-11-11 | 2022-11-28 | 지이 비디오 컴프레션, 엘엘씨 | 적응적 분할 코딩 |
| US9332257B2 (en) * | 2012-10-01 | 2016-05-03 | Qualcomm Incorporated | Coded black flag coding for 4:2:2 sample format in video coding |
| CN105580361A (zh) * | 2013-09-27 | 2016-05-11 | 高通股份有限公司 | 用于深度帧内预测模式的残余译码 |
| US10306229B2 (en) * | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
| US10681379B2 (en) * | 2015-09-29 | 2020-06-09 | Qualcomm Incorporated | Non-separable secondary transform for video coding with reorganizing |
| US10349085B2 (en) | 2016-02-15 | 2019-07-09 | Qualcomm Incorporated | Efficient parameter storage for compact multi-pass transforms |
| US10448053B2 (en) * | 2016-02-15 | 2019-10-15 | Qualcomm Incorporated | Multi-pass non-separable transforms for video coding |
| US10972733B2 (en) | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
| ES3063575T3 (en) | 2016-10-04 | 2026-04-17 | B1 Institute Image Technology Inc | Image data encoding/decoding method and apparatus |
| US11095893B2 (en) | 2016-10-12 | 2021-08-17 | Qualcomm Incorporated | Primary transform and secondary transform in video coding |
| WO2019009129A1 (ja) | 2017-07-03 | 2019-01-10 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法及び復号方法 |
| KR102385399B1 (ko) | 2017-08-04 | 2022-04-11 | 엘지전자 주식회사 | 비디오 압축을 위한 변환을 구성하는 방법 및 장치 |
| US10863199B2 (en) | 2018-03-26 | 2020-12-08 | Qualcomm Incorporated | Minimization of transform memory and latency via parallel factorizations |
| US10986340B2 (en) * | 2018-06-01 | 2021-04-20 | Qualcomm Incorporated | Coding adaptive multiple transform information for video coding |
| US10986334B2 (en) * | 2019-03-09 | 2021-04-20 | Tencent America LLC | Method and apparatus for video coding |
| US11616966B2 (en) * | 2019-04-03 | 2023-03-28 | Mediatek Inc. | Interaction between core transform and secondary transform |
| US11240534B2 (en) | 2019-04-05 | 2022-02-01 | Qualcomm Incorporated | Extended multiple transform selection for video coding |
-
2020
- 2020-04-02 US US16/838,553 patent/US11240534B2/en active Active
- 2020-04-03 CN CN202510026244.5A patent/CN119865607A/zh active Pending
- 2020-04-03 WO PCT/US2020/026620 patent/WO2020206286A1/en not_active Ceased
- 2020-04-03 SG SG11202109470V patent/SG11202109470VA/en unknown
- 2020-04-03 KR KR1020217030566A patent/KR20210142642A/ko active Pending
- 2020-04-03 EP EP20723622.5A patent/EP3949399A1/en active Pending
- 2020-04-03 JP JP2021557963A patent/JP7545410B2/ja active Active
- 2020-04-03 BR BR112021018855A patent/BR112021018855A2/pt unknown
- 2020-04-03 CN CN202080023522.7A patent/CN113632472A/zh active Pending
-
2021
- 2021-10-11 US US17/450,509 patent/US11683527B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| SG11202109470VA (en) | 2021-10-28 |
| US11683527B2 (en) | 2023-06-20 |
| US20220030278A1 (en) | 2022-01-27 |
| KR20210142642A (ko) | 2021-11-25 |
| WO2020206286A1 (en) | 2020-10-08 |
| JP7545410B2 (ja) | 2024-09-04 |
| JP2022526375A (ja) | 2022-05-24 |
| EP3949399A1 (en) | 2022-02-09 |
| CN113632472A (zh) | 2021-11-09 |
| US11240534B2 (en) | 2022-02-01 |
| CN119865607A (zh) | 2025-04-22 |
| US20200322636A1 (en) | 2020-10-08 |
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