JPWO2020206286A5 - - Google Patents
Download PDFInfo
- Publication number
- 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
- Authority
- JP
- Japan
- Prior art keywords
- transform
- current block
- dct
- codeword
- mts
- 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
- 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 (3)
| Publication Number | Publication Date |
|---|---|
| JP2022526375A JP2022526375A (ja) | 2022-05-24 |
| JPWO2020206286A5 true JPWO2020206286A5 (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 |
|---|---|---|---|---|
| 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 |
| KR20250085844A (ko) * | 2019-06-19 | 2025-06-12 | 엘지전자 주식회사 | 영상 코딩에서 변환 커널 세트를 나타내는 정보의 시그널링 |
| EP3987801A1 (en) * | 2019-06-21 | 2022-04-27 | 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 |
| CN119299679A (zh) * | 2019-08-06 | 2025-01-10 | 交互数字Ce专利控股有限公司 | 用于视频编码和解码的二次变换 |
| 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 |
| US20220377334A1 (en) * | 2019-09-16 | 2022-11-24 | lnterDigital VC Holdings France, SAS | Secondary transform for fast video encoder |
| CN117459742A (zh) * | 2019-09-21 | 2024-01-26 | Lg电子株式会社 | 编码/解码设备及数据发送设备 |
| 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 |
| 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 |
| 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 |
| WO2023131299A1 (en) * | 2022-01-07 | 2023-07-13 | Mediatek Inc. | Signaling for transform coding |
| KR20250036153A (ko) * | 2022-07-01 | 2025-03-13 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
| 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 |
| 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 |
| CN120569961A (zh) * | 2023-01-24 | 2025-08-29 | Oppo广东移动通信有限公司 | 索引至不可分变换核的帧内预测模式的确定 |
| CN121040055A (zh) * | 2023-04-06 | 2025-11-28 | 交互数字Ce专利控股有限公司 | 用于低延迟应用的不可分离变换 |
| 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 |
|---|---|---|---|---|
| US20120127003A1 (en) * | 2009-08-06 | 2012-05-24 | Youji Shibahara | Coding method, decoding method, coding apparatus, and decoding apparatus |
| 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 |
| PT2777285T (pt) * | 2011-11-11 | 2017-12-01 | Ge Video Compression Llc | Codificação de partição adaptativa |
| 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 |
| CN120980230A (zh) | 2016-10-04 | 2025-11-18 | 有限公司B1影像技术研究所 | 图像编码/解码方法和计算机可读记录介质 |
| 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 |
| RU2769944C1 (ru) | 2017-08-04 | 2022-04-11 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для конфигурирования преобразования для сжатия видео |
| 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 JP JP2021557963A patent/JP7545410B2/ja active Active
- 2020-04-03 KR KR1020217030566A patent/KR20210142642A/ko active Pending
- 2020-04-03 EP EP20723622.5A patent/EP3949399A1/en active Pending
- 2020-04-03 WO PCT/US2020/026620 patent/WO2020206286A1/en not_active Ceased
- 2020-04-03 CN CN202080023522.7A patent/CN113632472A/zh active Pending
- 2020-04-03 SG SG11202109470V patent/SG11202109470VA/en unknown
-
2021
- 2021-10-11 US US17/450,509 patent/US11683527B2/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPWO2020206286A5 (enExample) | ||
| KR102196431B1 (ko) | 변환 계수의 엔트로피 부호화/복호화 방법 및 장치 | |
| CN110622510B (zh) | 熵编码和解码视频信号的方法和设备 | |
| CN106454352B (zh) | 低复杂度熵编码/解码方法和设备 | |
| CN102484703B (zh) | 通过使用大型变换单元编码和解码图像的方法和设备 | |
| CN107835431B (zh) | 对视频编码的方法和设备以及对视频解码的方法和设备 | |
| JP2018512810A5 (enExample) | ||
| WO2012097743A1 (zh) | 图像编解码方法及编解码设备 | |
| RU2013119914A (ru) | Статистическое кодирование коэффициентов, используя объединенную контекстную модель | |
| KR20110046016A (ko) | 레지듀얼 블록의 부호화 방법 및 장치, 복호화 방법 및 장치 | |
| JP2015532552A5 (enExample) | ||
| JP6509164B2 (ja) | ツリー構造を再使用してバイナリ・セットを符号化および復号する方法および装置 | |
| JP2019511153A5 (enExample) | ||
| JPWO2020219512A5 (enExample) | ||
| CN104093018B (zh) | 变换系数的编码方法、变换系数的解码方法,和装置 | |
| JP2019520773A (ja) | 適応変換ベースのビデオ圧縮のための最後の係数符号化 | |
| CN113330740A (zh) | 用于视频压缩系统的调色板模式中的调色板大小约束 | |
| CN102595122B (zh) | 预测模式的编解码方法、编解码设备及网络系统 | |
| CN113473154B (zh) | 视频编码、视频解码方法、装置及存储介质 | |
| CN111629207B (zh) | 一种模板匹配帧内子划分方法 | |
| JPWO2020131949A5 (enExample) | ||
| CN119404503A (zh) | 点云编解码方法、编解码器及计算机存储介质 | |
| CN113141505B (zh) | 一种视频数据编码方法以及装置 | |
| KR20170077803A (ko) | 예측 모드 맵을 이용한 비디오 코딩의 부호화 방법 및 복호화 방법 | |
| CN118101932A (zh) | 视频编码方法、视频解码方法及相关产品 |