JP2022526375A5 - - Google Patents
Info
- Publication number
- JP2022526375A5 JP2022526375A5 JP2021557963A JP2021557963A JP2022526375A5 JP 2022526375 A5 JP2022526375 A5 JP 2022526375A5 JP 2021557963 A JP2021557963 A JP 2021557963A JP 2021557963 A JP2021557963 A JP 2021557963A JP 2022526375 A5 JP2022526375 A5 JP 2022526375A5
- Authority
- JP
- Japan
- Prior art keywords
- transformation
- current block
- dct
- transform
- codeword
- 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.)
- Granted
Links
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962830125P | 2019-04-05 | 2019-04-05 | |
| US62/830,125 | 2019-04-05 | ||
| US201962855398P | 2019-05-31 | 2019-05-31 | |
| US62/855,398 | 2019-05-31 | ||
| US16/838,553 US11240534B2 (en) | 2019-04-05 | 2020-04-02 | Extended multiple transform selection for video coding |
| US16/838,553 | 2020-04-02 | ||
| PCT/US2020/026620 WO2020206286A1 (en) | 2019-04-05 | 2020-04-03 | Extended multiple transform selection for video coding |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022526375A JP2022526375A (ja) | 2022-05-24 |
| JP2022526375A5 true JP2022526375A5 (enExample) | 2023-03-14 |
| JP7545410B2 JP7545410B2 (ja) | 2024-09-04 |
Family
ID=72663297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021557963A Active JP7545410B2 (ja) | 2019-04-05 | 2020-04-03 | ビデオコーディングのための拡張されたマルチプル変換選択 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US11240534B2 (enExample) |
| EP (1) | EP3949399A1 (enExample) |
| JP (1) | JP7545410B2 (enExample) |
| KR (1) | KR20210142642A (enExample) |
| CN (2) | CN119865607A (enExample) |
| BR (1) | BR112021018855A2 (enExample) |
| SG (1) | SG11202109470VA (enExample) |
| WO (1) | WO2020206286A1 (enExample) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019004749A1 (ko) * | 2017-06-28 | 2019-01-03 | 엘지전자 주식회사 | 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치 |
| 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 |
| RS67143B1 (sr) * | 2019-06-19 | 2025-09-30 | Lg Electronics Inc | Signalizacija informacija koje određuju skup jezgara transformacije u kodiranju slike |
| US11949870B2 (en) | 2019-06-21 | 2024-04-02 | Qualcomm Incorporated | Context modeling for low-frequency non-separable transformation signaling for video coding |
| WO2020254256A1 (en) * | 2019-06-21 | 2020-12-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for non-separable transform selection in an encoder and decoder |
| WO2021023552A1 (en) * | 2019-08-06 | 2021-02-11 | Interdigital Vc Holdings France, Sas | Secondary transform for video encoding and decoding |
| KR20220057630A (ko) * | 2019-09-13 | 2022-05-09 | 인터디지털 브이씨 홀딩스 프랑스 에스에이에스 | 코딩 툴들과의 변환 크기 상호작용들 |
| US20220377334A1 (en) * | 2019-09-16 | 2022-11-24 | lnterDigital VC Holdings France, SAS | Secondary transform for fast video encoder |
| KR20260092487A (ko) * | 2019-09-21 | 2026-06-18 | 엘지전자 주식회사 | 변환에 기반한 영상 코딩 방법 및 그 장치 |
| US12238339B2 (en) * | 2019-10-04 | 2025-02-25 | Lg Electronics Inc. | Transform-based image coding method, and device therefor |
| CN114830655B (zh) * | 2019-12-12 | 2023-08-18 | 寰发股份有限公司 | 视频编解码的方法与装置 |
| US12095997B2 (en) * | 2020-01-10 | 2024-09-17 | Lg Electronics Inc. | Transform-based image coding method and device for same |
| CN115668923A (zh) * | 2020-05-27 | 2023-01-31 | 抖音视界有限公司 | 编解码视频中多重变换矩阵的指示 |
| 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 |
| EP4397041A4 (en) * | 2021-08-30 | 2024-12-18 | Tencent America LLC | METHOD AND APPARATUS FOR SECONDARY TRANSFORMATION WITH ADAPTIVE KERNEL OPTIONS |
| 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 |
| CN118511519A (zh) * | 2022-01-07 | 2024-08-16 | 联发科技股份有限公司 | 变换编解码的信号 |
| EP4550781A4 (en) * | 2022-07-01 | 2026-07-01 | Lg Electronics Inc | METHOD AND DEVICE FOR IMAGE ENCODING AND DECODING, AND RECORDING MEDIUM ON WHICH A BINARY STREAM IS STORED |
| WO2024080795A1 (ko) * | 2022-10-12 | 2024-04-18 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
| 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 |
| 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 |
| WO2024208638A1 (en) * | 2023-04-06 | 2024-10-10 | Interdigital Ce Patent Holdings, Sas | Non-separable transforms for low delay applications |
| US12621489B2 (en) * | 2023-11-28 | 2026-05-05 | 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 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201138475A (en) * | 2009-08-06 | 2011-11-01 | 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 |
| US9661338B2 (en) * | 2010-07-09 | 2017-05-23 | Qualcomm Incorporated | Coding syntax elements for adaptive scans of transform coefficients for video coding |
| CN109257598B (zh) * | 2011-11-11 | 2023-05-12 | Ge视频压缩有限责任公司 | 解码器、编码器、介质及重构、编码和解码方法 |
| US9667994B2 (en) * | 2012-10-01 | 2017-05-30 | Qualcomm Incorporated | Intra-coding for 4:2:2 sample format in video coding |
| KR102135997B1 (ko) * | 2013-09-27 | 2020-07-20 | 퀄컴 인코포레이티드 | 심도 인트라 예측 모드들에 대한 잔차 코딩 |
| 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 |
| US10448053B2 (en) * | 2016-02-15 | 2019-10-15 | Qualcomm Incorporated | Multi-pass non-separable transforms for video coding |
| US10349085B2 (en) | 2016-02-15 | 2019-07-09 | Qualcomm Incorporated | Efficient parameter storage for compact multi-pass transforms |
| US10972733B2 (en) | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
| FI3975559T3 (fi) * | 2016-10-04 | 2024-09-13 | B1 Institute Image Technology Inc | Menetelmä ja laitteisto kuvadatan koodaamiseksi/dekoodaamiseksi |
| 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 |
| CA3073674C (en) * | 2017-08-04 | 2022-11-29 | Lg Electronics Inc. | Method and apparatus for configuring transform for video compression |
| 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 BR BR112021018855A patent/BR112021018855A2/pt unknown
- 2020-04-03 KR KR1020217030566A patent/KR20210142642A/ko active Pending
- 2020-04-03 CN CN202080023522.7A patent/CN113632472A/zh active Pending
- 2020-04-03 EP EP20723622.5A patent/EP3949399A1/en active Pending
- 2020-04-03 SG SG11202109470V patent/SG11202109470VA/en unknown
- 2020-04-03 JP JP2021557963A patent/JP7545410B2/ja active Active
- 2020-04-03 WO PCT/US2020/026620 patent/WO2020206286A1/en not_active Ceased
-
2021
- 2021-10-11 US US17/450,509 patent/US11683527B2/en active Active
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