JPWO2020236509A5 - - Google Patents
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- JPWO2020236509A5 JPWO2020236509A5 JP2021566255A JP2021566255A JPWO2020236509A5 JP WO2020236509 A5 JPWO2020236509 A5 JP WO2020236509A5 JP 2021566255 A JP2021566255 A JP 2021566255A JP 2021566255 A JP2021566255 A JP 2021566255A JP WO2020236509 A5 JPWO2020236509 A5 JP WO2020236509A5
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- JP
- Japan
- Prior art keywords
- lfnst
- transform block
- value
- transform
- region
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Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962849689P | 2019-05-17 | 2019-05-17 | |
| US62/849,689 | 2019-05-17 | ||
| US15/931,271 US11032572B2 (en) | 2019-05-17 | 2020-05-13 | Low-frequency non-separable transform signaling based on zero-out patterns for video coding |
| US15/931,271 | 2020-05-13 | ||
| PCT/US2020/032866 WO2020236509A1 (en) | 2019-05-17 | 2020-05-14 | Low-frequency non-separable transform signaling based on zero-out patterns for video coding |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022531913A JP2022531913A (ja) | 2022-07-12 |
| JPWO2020236509A5 true JPWO2020236509A5 (enExample) | 2023-04-24 |
| JP7629413B2 JP7629413B2 (ja) | 2025-02-13 |
Family
ID=73230877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021566255A Active JP7629413B2 (ja) | 2019-05-17 | 2020-05-14 | ビデオエンコードのための０化パターンに基づく低周波数非分離変換シグナリング |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US11032572B2 (enExample) |
| EP (1) | EP3970367A1 (enExample) |
| JP (1) | JP7629413B2 (enExample) |
| KR (1) | KR20220008265A (enExample) |
| CN (1) | CN113812157B (enExample) |
| AR (1) | AR118945A1 (enExample) |
| AU (1) | AU2020278519B2 (enExample) |
| BR (1) | BR112021022343A2 (enExample) |
| CL (1) | CL2021003004A1 (enExample) |
| MY (1) | MY210169A (enExample) |
| PH (1) | PH12021552685A1 (enExample) |
| SA (1) | SA521430807B1 (enExample) |
| SG (1) | SG11202111562TA (enExample) |
| WO (1) | WO2020236509A1 (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116996669A (zh) * | 2017-09-28 | 2023-11-03 | 三星电子株式会社 | 编码方法和装置以及解码方法和装置 |
| WO2020006304A1 (en) * | 2018-06-29 | 2020-01-02 | Vid Scale, Inc. | Adaptive control point selection for affine motion model based video coding |
| US11218728B2 (en) * | 2019-06-04 | 2022-01-04 | 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 |
| KR20250085844A (ko) | 2019-06-19 | 2025-06-12 | 엘지전자 주식회사 | 영상 코딩에서 변환 커널 세트를 나타내는 정보의 시그널링 |
| CN119299687A (zh) * | 2019-07-12 | 2025-01-10 | Lg 电子株式会社 | 基于变换的图像编译方法及其设备 |
| KR20250164327A (ko) * | 2019-07-12 | 2025-11-24 | 엘지전자 주식회사 | 변환에 기반한 영상 코딩 방법 및 그 장치 |
| CN119629367A (zh) | 2019-08-08 | 2025-03-14 | Lg 电子株式会社 | 基于变换的图像编译方法及设备 |
| US11677984B2 (en) | 2019-08-20 | 2023-06-13 | Qualcomm Incorporated | Low-frequency non-separable transform (LFNST) signaling |
| US11184617B2 (en) | 2019-09-19 | 2021-11-23 | Qualcomm Incorporated | Transform unit design for video coding |
| US11206400B2 (en) | 2019-09-26 | 2021-12-21 | Qualcomm Incorporated | Low-frequency non-separable transform (LFNST) simplifications |
| CN114747221B (zh) * | 2019-10-04 | 2023-11-21 | Lg电子株式会社 | 基于变换的图像编码方法及其装置 |
| US11470353B2 (en) | 2019-12-20 | 2022-10-11 | Qualcomm Incorporated | Low-frequency non-separable transform (LFNST) with reduced zero-out in video coding |
| US11457229B2 (en) | 2019-12-23 | 2022-09-27 | Qualcomm Incorporated | LFNST signaling for chroma based on chroma transform skip |
| US11582491B2 (en) | 2020-03-27 | 2023-02-14 | Qualcomm Incorporated | Low-frequency non-separable transform processing in video coding |
| US11871010B2 (en) | 2020-10-02 | 2024-01-09 | Qualcomm Incorporated | Extended low-frequency non-separable transform (LFNST) designs with worst-case complexity handling |
| US11924471B2 (en) | 2020-11-12 | 2024-03-05 | Qualcomm Incorporated | Context-based transform index signaling in video coding |
| US20240357110A1 (en) * | 2021-06-16 | 2024-10-24 | Lg Electronics Inc. | Image coding method and apparatus therefor |
| EP4425930A4 (en) * | 2021-10-25 | 2025-10-22 | Lg Electronics Inc | METHOD AND APPARATUS FOR DESIGNING NON-SEPARABLE PRIMARY TRANSFORM |
| CN114666586B (zh) * | 2022-03-14 | 2024-10-11 | 中山大学 | 一种基于变换块运动的时域感知编码方法 |
| US20240129532A1 (en) * | 2022-10-13 | 2024-04-18 | Qualcomm Incorporated | Transforming video data using non-separable primary transforms |
| CN121002860A (zh) * | 2023-04-28 | 2025-11-21 | 联发科技股份有限公司 | 熵编解码变换块 |
| WO2025073241A1 (en) * | 2023-10-06 | 2025-04-10 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Systems and methods for non-separable transforms for inter prediction in video coding |
| WO2025214446A1 (en) * | 2024-04-10 | 2025-10-16 | Douyin Vision Co., Ltd. | Method, apparatus, and medium for video processing |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9621921B2 (en) * | 2012-04-16 | 2017-04-11 | Qualcomm Incorporated | Coefficient groups and coefficient coding for coefficient scans |
| US9538175B2 (en) | 2012-09-26 | 2017-01-03 | Qualcomm Incorporated | Context derivation for context-adaptive, multi-level significance coding |
| 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 |
| US10708164B2 (en) | 2016-05-03 | 2020-07-07 | Qualcomm Incorporated | Binarizing secondary transform index |
| CN109076243B (zh) | 2016-05-04 | 2022-01-25 | 夏普株式会社 | 用于对变换数据进行编码的系统和方法 |
| US10972733B2 (en) | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
| US10855997B2 (en) | 2017-04-14 | 2020-12-01 | Mediatek Inc. | Secondary transform kernel size selection |
| US10863199B2 (en) | 2018-03-26 | 2020-12-08 | Qualcomm Incorporated | Minimization of transform memory and latency via parallel factorizations |
| EP3777165A1 (en) | 2018-03-29 | 2021-02-17 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Determination of set of candidate transforms for video encoding |
| US10986340B2 (en) | 2018-06-01 | 2021-04-20 | Qualcomm Incorporated | Coding adaptive multiple transform information for video coding |
| KR102504694B1 (ko) | 2018-06-03 | 2023-02-28 | 엘지전자 주식회사 | 축소된 변환을 이용하여 비디오 신호를 처리하는 방법 및 장치 |
| US11025909B2 (en) * | 2019-03-21 | 2021-06-01 | Tencent America LLC | Method and apparatus for video coding |
-
2020
- 2020-05-13 US US15/931,271 patent/US11032572B2/en active Active
- 2020-05-14 JP JP2021566255A patent/JP7629413B2/ja active Active
- 2020-05-14 CN CN202080034606.0A patent/CN113812157B/zh active Active
- 2020-05-14 AU AU2020278519A patent/AU2020278519B2/en active Active
- 2020-05-14 WO PCT/US2020/032866 patent/WO2020236509A1/en not_active Ceased
- 2020-05-14 EP EP20729921.5A patent/EP3970367A1/en active Pending
- 2020-05-14 MY MYPI2021006679A patent/MY210169A/en unknown
- 2020-05-14 BR BR112021022343A patent/BR112021022343A2/pt unknown
- 2020-05-14 PH PH1/2021/552685A patent/PH12021552685A1/en unknown
- 2020-05-14 SG SG11202111562TA patent/SG11202111562TA/en unknown
- 2020-05-14 KR KR1020217036189A patent/KR20220008265A/ko active Pending
- 2020-05-15 AR ARP200101393A patent/AR118945A1/es active IP Right Grant
-
2021
- 2021-11-10 SA SA521430807A patent/SA521430807B1/ar unknown
- 2021-11-15 CL CL2021003004A patent/CL2021003004A1/es unknown