JPWO2020206286A5 - - Google Patents
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- JPWO2020206286A5 JPWO2020206286A5 JP2021557963A JP2021557963A JPWO2020206286A5 JP WO2020206286 A5 JPWO2020206286 A5 JP WO2020206286A5 JP 2021557963 A JP2021557963 A JP 2021557963A JP 2021557963 A JP2021557963 A JP 2021557963A JP WO2020206286 A5 JPWO2020206286 A5 JP WO2020206286A5
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- 238000000034 method Methods 0.000 claims description 36
- 230000009466 transformation Effects 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 238000000844 transformation Methods 0.000 claims description 10
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 description 6
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 | 2020-04-02 | ||
| 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 (4)
| Publication Number | Publication Date |
|---|---|
| JP2022526375A JP2022526375A (ja) | 2022-05-24 |
| JP2022526375A5 JP2022526375A5 (https=) | 2023-03-14 |
| JPWO2020206286A5 true JPWO2020206286A5 (https=) | 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 (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 |
Family Cites Families (20)
| 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
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