JP7033117B2 - 拡張型多重変換のためのルックアップテーブル - Google Patents
拡張型多重変換のためのルックアップテーブル Download PDFInfo
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- JP7033117B2 JP7033117B2 JP2019500664A JP2019500664A JP7033117B2 JP 7033117 B2 JP7033117 B2 JP 7033117B2 JP 2019500664 A JP2019500664 A JP 2019500664A JP 2019500664 A JP2019500664 A JP 2019500664A JP 7033117 B2 JP7033117 B2 JP 7033117B2
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- 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
- H04N19/124—Quantisation
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- 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
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- 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
- H04N19/103—Selection of coding mode or of prediction mode
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- 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
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- 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
- H04N19/18—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 a set of transform coefficients
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- 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
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Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662363188P | 2016-07-15 | 2016-07-15 | |
| US62/363,188 | 2016-07-15 | ||
| US15/649,612 US10972733B2 (en) | 2016-07-15 | 2017-07-13 | Look-up table for enhanced multiple transform |
| US15/649,612 | 2017-07-13 | ||
| PCT/US2017/042181 WO2018013953A1 (en) | 2016-07-15 | 2017-07-14 | Look-up table for enhanced multiple transform |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019525575A JP2019525575A (ja) | 2019-09-05 |
| JP2019525575A5 JP2019525575A5 (enExample) | 2020-08-06 |
| JP7033117B2 true JP7033117B2 (ja) | 2022-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019500664A Active JP7033117B2 (ja) | 2016-07-15 | 2017-07-14 | 拡張型多重変換のためのルックアップテーブル |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US10972733B2 (enExample) |
| EP (1) | EP3485641A1 (enExample) |
| JP (1) | JP7033117B2 (enExample) |
| KR (1) | KR102519245B1 (enExample) |
| CN (1) | CN109691101B (enExample) |
| BR (1) | BR112019000344A2 (enExample) |
| WO (1) | WO2018013953A1 (enExample) |
Families Citing this family (123)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10972733B2 (en) | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
| US10506228B2 (en) * | 2016-10-04 | 2019-12-10 | Qualcomm Incorporated | Variable number of intra modes for video coding |
| US10554974B2 (en) * | 2017-01-13 | 2020-02-04 | Mediatek Inc. | Method and apparatus enabling adaptive multiple transform for chroma transport blocks using control flags |
| US11240536B2 (en) * | 2017-04-13 | 2022-02-01 | Lg Electronics Inc. | Method and device for entropy encoding, decoding video signal |
| US10750181B2 (en) * | 2017-05-11 | 2020-08-18 | Mediatek Inc. | Method and apparatus of adaptive multiple transforms for video coding |
| US11228757B2 (en) | 2017-05-31 | 2022-01-18 | Interdigital Vc Holdings, Inc. | Method and a device for picture encoding and decoding |
| WO2018226067A1 (ko) * | 2017-06-08 | 2018-12-13 | 엘지전자 주식회사 | 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치 |
| WO2019004749A1 (ko) * | 2017-06-28 | 2019-01-03 | 엘지전자 주식회사 | 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치 |
| US12695874B2 (en) * | 2017-07-04 | 2026-07-28 | Samsung Electronics Co., Ltd. | Image encoding method and apparatus, and image decoding method and apparatus |
| EP3691266A4 (en) * | 2017-09-28 | 2021-07-28 | Sharp Kabushiki Kaisha | IMAGE ENCODING DEVICE AND IMAGE DECODING DEVICE |
| WO2019076138A1 (en) * | 2017-10-16 | 2019-04-25 | Huawei Technologies Co., Ltd. | Encoding method and apparatus |
| WO2019118097A1 (en) | 2017-12-14 | 2019-06-20 | Interdigital Vc Holdings, Inc. | Method and apparatus for encoding a picture block |
| BR122021019694B1 (pt) * | 2017-12-21 | 2022-05-17 | Lg Electronics Inc | Método de decodificação / codificação de imagem realizado por um aparelho de decodificação / codificação, aparelho de decodificação/codificação para decodificação/codificação de imagem, método e aparelho de transmissão de dados que compreende um fluxo de bits para uma imagem e mídia de armazenamento digital legível por computador não transitória |
| EP3503549A1 (en) * | 2017-12-22 | 2019-06-26 | Thomson Licensing | Method and apparatus for video compression using efficient multiple transforms |
| EP3729807A1 (en) * | 2017-12-22 | 2020-10-28 | InterDigital VC Holdings, Inc. | Method and apparatus for video compression using efficient multiple transforms |
| WO2020035829A1 (en) * | 2018-08-16 | 2020-02-20 | Beijing Bytedance Network Technology Co., Ltd. | Coefficient dependent coding of transform matrix selection |
| CN117834919A (zh) * | 2018-01-17 | 2024-04-05 | 英迪股份有限公司 | 对视频进行解码或编码的方法和用于发送比特流的方法 |
| WO2019147403A1 (en) | 2018-01-29 | 2019-08-01 | Interdigital Vc Holdings, Inc. | Encoding and decoding with refinement of the reconstructed picture |
| WO2019152131A1 (en) * | 2018-01-30 | 2019-08-08 | Interdigital Vc Holdings, Inc. | Methods and devices for picture encoding and decoding using multiple transforms |
| EP3518542A1 (en) * | 2018-01-30 | 2019-07-31 | Thomson Licensing | Methods and devices for picture encoding and decoding using multiple transforms |
| US10812797B2 (en) * | 2018-02-05 | 2020-10-20 | Tencent America LLC | Method, apparatus and medium for decoding or encoding using a low-complexity transform |
| US10567801B2 (en) | 2018-03-07 | 2020-02-18 | Tencent America LLC | Method and apparatus for video coding with primary and secondary transforms |
| WO2019190284A1 (ko) * | 2018-03-29 | 2019-10-03 | 엘지전자 주식회사 | 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치 |
| WO2019185883A1 (en) * | 2018-03-29 | 2019-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Determination of set of candidate transforms for video encoding |
| WO2019190283A1 (ko) * | 2018-03-29 | 2019-10-03 | 엘지전자 주식회사 | 저복잡도 연산 dst7을 설계하는 방법 및 장치 |
| CN111937383B (zh) | 2018-03-30 | 2023-08-01 | 交互数字Vc控股公司 | 视频编码和解码中的色度量化参数调整 |
| CN112532979A (zh) | 2018-03-31 | 2021-03-19 | 华为技术有限公司 | 图像块编码中的变换方法、解码中的反变换方法及装置 |
| KR102650865B1 (ko) * | 2018-04-01 | 2024-03-22 | 엘지전자 주식회사 | 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치 |
| US11297348B2 (en) * | 2018-04-13 | 2022-04-05 | Mediatek Inc. | Implicit transform settings for coding a block of pixels |
| US10999604B2 (en) | 2018-04-13 | 2021-05-04 | Mediatek Inc. | Adaptive implicit transform setting |
| WO2019203068A1 (ja) * | 2018-04-17 | 2019-10-24 | 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 |
| US10986340B2 (en) | 2018-06-01 | 2021-04-20 | Qualcomm Incorporated | Coding adaptive multiple transform information for video coding |
| EP4216554B1 (en) * | 2018-06-03 | 2025-03-26 | LG Electronics Inc. | Method and device for processing video signal by using reduced transform |
| US10645396B2 (en) * | 2018-06-04 | 2020-05-05 | Tencent America LLC | Method and apparatus for implicit transform splitting |
| CA3100976A1 (en) | 2018-06-08 | 2019-12-12 | Kt Corporation | Method and apparatus for processing video signal |
| AU2018204786B2 (en) * | 2018-06-29 | 2025-05-29 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding a transformed block of video samples |
| US10666981B2 (en) | 2018-06-29 | 2020-05-26 | Tencent America LLC | Method, apparatus and medium for decoding or encoding |
| US10687081B2 (en) | 2018-06-29 | 2020-06-16 | Tencent America LLC | Method, apparatus and medium for decoding or encoding |
| WO2020000487A1 (zh) * | 2018-06-30 | 2020-01-02 | 华为技术有限公司 | 变换方法、反变换方法及装置 |
| CN116347076B (zh) * | 2018-07-02 | 2025-07-22 | Oppo广东移动通信有限公司 | 对视频信号进行编解码的设备和发送图像的数据的设备 |
| JP2021166320A (ja) * | 2018-07-06 | 2021-10-14 | ソニーグループ株式会社 | 画像処理装置および方法 |
| US11218716B2 (en) | 2018-07-13 | 2022-01-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Transform selection in a video encoder and/or video decoder |
| US11259052B2 (en) * | 2018-07-16 | 2022-02-22 | Qualcomm Incorporated | Transform variations of multiple separable transform selection |
| US11166044B2 (en) * | 2018-07-31 | 2021-11-02 | Tencent America LLC | Method and apparatus for improved compound orthonormal transform |
| CN112823524B (zh) * | 2018-08-08 | 2023-09-01 | Lg电子株式会社 | 图像编码/解码方法和用于图像编码/解码方法的装置 |
| EP4210331A1 (en) | 2018-09-02 | 2023-07-12 | LG Electronics Inc. | Method and apparatus for processing image signal |
| WO2020046086A1 (ko) | 2018-09-02 | 2020-03-05 | 엘지전자 주식회사 | 영상 신호를 처리하기 위한 방법 및 장치 |
| US11039139B2 (en) * | 2018-09-14 | 2021-06-15 | Tencent America LLC | Method and apparatus for identity transform in multiple transform selection |
| EP3850837A4 (en) * | 2018-09-17 | 2022-06-01 | HFI Innovation Inc. | Methods and apparatuses of combining multiple predictors for block prediction in video coding systems |
| EP3854081A4 (en) * | 2018-09-20 | 2022-07-06 | Nokia Technologies Oy | METHOD AND DEVICE FOR ENCODING AND DECODING DIGITAL IMAGE/VIDEO MATERIAL |
| CN110944177B (zh) * | 2018-09-21 | 2024-03-01 | 华为技术有限公司 | 视频解码方法及视频解码器,视频编码方法及视频编码器 |
| WO2020057537A1 (zh) * | 2018-09-21 | 2020-03-26 | 华为技术有限公司 | 视频解码方法及视频解码器,视频编码方法及视频编码器 |
| AU2019345211B2 (en) * | 2018-09-23 | 2023-02-02 | Lg Electronics Inc. | Method for encoding/decoding video signals and apparatus therefor |
| US11218694B2 (en) * | 2018-09-24 | 2022-01-04 | Qualcomm Incorporated | Adaptive multiple transform coding |
| SG11202103441TA (en) * | 2018-10-06 | 2021-05-28 | Huawei Tech Co Ltd | Method and apparatus for intra prediction using an interpolation filter |
| TWI738077B (zh) * | 2018-10-08 | 2021-09-01 | 新加坡商聯發科技(新加坡)私人有限公司 | 圖像以及視訊編解碼中最後有效係數的編解碼方法以及裝置 |
| US10893286B2 (en) * | 2018-10-09 | 2021-01-12 | Tencent America LLC | Methods and apparatus for low-complexity MTS |
| WO2020086317A1 (en) * | 2018-10-23 | 2020-04-30 | Tencent America Llc. | Method and apparatus for video coding |
| CN113261284B (zh) * | 2018-11-01 | 2024-08-13 | 交互数字Vc控股公司 | 使用多重变换选择进行视频编码和解码 |
| CN111225206B (zh) * | 2018-11-23 | 2021-10-26 | 华为技术有限公司 | 视频解码方法和视频解码器 |
| US11539951B2 (en) * | 2018-12-03 | 2022-12-27 | Interdigital Vc Holdings, Inc. | Method and device for picture encoding and decoding |
| US11323748B2 (en) * | 2018-12-19 | 2022-05-03 | Qualcomm Incorporated | Tree-based transform unit (TU) partition for video coding |
| WO2020130730A1 (ko) * | 2018-12-21 | 2020-06-25 | 삼성전자 주식회사 | 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치 |
| MX2021007633A (es) * | 2018-12-28 | 2021-08-11 | Ericsson Telefon Ab L M | Metodo y aparato para seleccionar seleccion de transformacion en un codificador y decodificador. |
| US10904563B2 (en) * | 2019-01-02 | 2021-01-26 | Tencent America LLC | Method and apparatus for improved zero out transform |
| ES3001382T3 (en) * | 2019-01-11 | 2025-03-05 | Huawei Tech Co Ltd | Encoder, decoder and corresponding methods using dct2 enabled high level flag |
| US11595663B2 (en) | 2019-02-01 | 2023-02-28 | Qualcomm Incorporated | Secondary transform designs for partitioned transform units in video coding |
| HUE073560T2 (hu) | 2019-03-03 | 2026-01-28 | Huawei Tech Co Ltd | Kódoló, dekódoló és transzformációs folyamat során alkalmazott kapcsolódó eljárások |
| US10986334B2 (en) | 2019-03-09 | 2021-04-20 | Tencent America LLC | Method and apparatus for video coding |
| CN110392256B (zh) * | 2019-03-09 | 2020-12-11 | 杭州海康威视数字技术股份有限公司 | 进行编码和解码的方法、编码端、解码端和系统 |
| CN113747158A (zh) * | 2019-03-09 | 2021-12-03 | 杭州海康威视数字技术股份有限公司 | 进行编码和解码的方法、解码端、编码端和系统 |
| US11539952B2 (en) | 2019-03-12 | 2022-12-27 | Qualcomm Incorporated | Implicit transform selection in video coding |
| EP3709647A1 (en) * | 2019-03-12 | 2020-09-16 | InterDigital VC Holdings, Inc. | Transform selection and signaling for video encoding or decoding |
| US11025937B2 (en) * | 2019-03-16 | 2021-06-01 | Tencent America LLC | Method and apparatus for video coding |
| US11172211B2 (en) * | 2019-04-04 | 2021-11-09 | Tencent America LLC | Method and apparatus for video coding |
| US11240534B2 (en) | 2019-04-05 | 2022-02-01 | Qualcomm Incorporated | Extended multiple transform selection for video coding |
| JP7277608B2 (ja) * | 2019-04-23 | 2023-05-19 | 北京字節跳動網絡技術有限公司 | 多重変換行列のコンテキストモデリングおよび選択 |
| KR102860029B1 (ko) | 2019-04-23 | 2025-09-15 | 삼성전자주식회사 | 다중 변환 커널을 사용하는 비디오 신호 처리 방법 및 장치 |
| CN117499641A (zh) | 2019-05-10 | 2024-02-02 | 北京字节跳动网络技术有限公司 | 用于视频处理的简化二次变换的有条件使用 |
| US11032572B2 (en) | 2019-05-17 | 2021-06-08 | Qualcomm Incorporated | Low-frequency non-separable transform signaling based on zero-out patterns for video coding |
| SG11202113262WA (en) * | 2019-05-31 | 2021-12-30 | Interdigital Vc Holdings Inc | Transform selection for implicit multiple transform selection |
| CN113940076B (zh) * | 2019-06-06 | 2025-01-03 | 北京字节跳动网络技术有限公司 | 应用隐式变换选择 |
| WO2020244662A1 (en) | 2019-06-06 | 2020-12-10 | Beijing Bytedance Network Technology Co., Ltd. | Simplified transform coding tools |
| WO2020244661A1 (en) * | 2019-06-06 | 2020-12-10 | Beijing Bytedance Network Technology Co., Ltd. | Implicit selection of transform candidates |
| JP7277616B2 (ja) | 2019-06-07 | 2023-05-19 | 北京字節跳動網絡技術有限公司 | ビデオ・データを処理する方法、装置及び記憶媒体 |
| 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 |
| US11949870B2 (en) | 2019-06-21 | 2024-04-02 | Qualcomm Incorporated | Context modeling for low-frequency non-separable transformation signaling for video coding |
| CN110365982B (zh) * | 2019-07-31 | 2022-01-04 | 中南大学 | 一种多用途编码中帧内编码的多变换选择加速方法 |
| WO2021023152A1 (en) | 2019-08-03 | 2021-02-11 | Beijing Bytedance Network Technology Co., Ltd. | Selection of matrices for reduced secondary transform in video coding |
| CN118632034A (zh) | 2019-08-17 | 2024-09-10 | 北京字节跳动网络技术有限公司 | 为视频中的缩减二次变换的边信息的上下文建模 |
| US11677984B2 (en) | 2019-08-20 | 2023-06-13 | Qualcomm Incorporated | Low-frequency non-separable transform (LFNST) signaling |
| US11323743B2 (en) * | 2019-08-26 | 2022-05-03 | Tencent America LLC | Interaction between CU partitions and sub-block transform |
| US11184617B2 (en) | 2019-09-19 | 2021-11-23 | Qualcomm Incorporated | Transform unit design for video coding |
| US11153576B2 (en) | 2019-09-20 | 2021-10-19 | Qualcomm Incorporated | Scaling matrices and signaling for video coding |
| US11206400B2 (en) | 2019-09-26 | 2021-12-21 | Qualcomm Incorporated | Low-frequency non-separable transform (LFNST) simplifications |
| US11432014B2 (en) | 2019-10-25 | 2022-08-30 | Qualcomm Incorporated | Parametric graph-based separable transforms for video coding |
| JP7614195B2 (ja) * | 2019-10-29 | 2025-01-15 | エルジー エレクトロニクス インコーポレイティド | 変換に基づく映像コーディング方法およびその装置 |
| US12034928B2 (en) * | 2019-11-26 | 2024-07-09 | Fraunhofer-Gesellschaft zur Förderung derangewandten Forschung e.V. | Coding concepts for a transformed representation of a sample block |
| US11284071B2 (en) | 2019-12-12 | 2022-03-22 | Google Llc | Combination of mode-dependent and fixed transform types in video coding |
| US20210195192A1 (en) | 2019-12-20 | 2021-06-24 | Qualcomm Incorporated | Coefficient group based restriction on multiple transform selection signaling in video coding |
| 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 |
| US11706425B2 (en) | 2020-01-08 | 2023-07-18 | Qualcomm Incorporated | Multiple transform set signaling for video coding |
| US11412258B2 (en) | 2020-02-12 | 2022-08-09 | Tencent America LLC | Line graph transforms (LGTs) using 8-bit and 10-bit cores |
| US11405647B2 (en) | 2020-02-18 | 2022-08-02 | Tencent America LLC | Primary transforms using 8-bit and 10-bit cores |
| KR102943594B1 (ko) * | 2020-04-02 | 2026-03-24 | 엘지전자 주식회사 | 변환에 기반한 영상 코딩 방법 및 그 장치 |
| EP4128755A4 (en) | 2020-04-29 | 2023-09-06 | Huawei Technologies Co., Ltd. | Method and apparatus of subsample interpolation filtering |
| JP7505552B2 (ja) * | 2020-05-26 | 2024-06-25 | 富士通株式会社 | 画像処理システム、画像処理装置及び画像処理プログラム |
| US11785254B2 (en) | 2020-05-29 | 2023-10-10 | Tencent America LLC | Implicit mode dependent primary transforms |
| US11575937B2 (en) * | 2020-07-24 | 2023-02-07 | Tencent America LLC | Methods for efficient application of LGT |
| US11871010B2 (en) | 2020-10-02 | 2024-01-09 | Qualcomm Incorporated | Extended low-frequency non-separable transform (LFNST) designs with worst-case complexity handling |
| CN112533000B (zh) | 2020-10-16 | 2022-08-05 | 腾讯科技(深圳)有限公司 | 视频解码方法、装置、计算机可读介质及电子设备 |
| US11924471B2 (en) | 2020-11-12 | 2024-03-05 | Qualcomm Incorporated | Context-based transform index signaling in video coding |
| CN112565754B (zh) * | 2020-12-06 | 2022-11-11 | 浙江大华技术股份有限公司 | 基于ibc模式变换、编码方法、装置、电子设备及存储介质 |
| CN117223283A (zh) * | 2021-04-12 | 2023-12-12 | 高通股份有限公司 | 用于视频译码的模式内相关多重变换选择 |
| US12615365B2 (en) | 2021-04-12 | 2026-04-28 | Qualcomm Incorporated | Intra-mode dependent multiple transform selection for video coding |
| WO2022221829A1 (en) * | 2021-04-12 | 2022-10-20 | Qualcomm Incorporated | Intra-mode dependent multiple transform selection for video coding |
| US12132901B2 (en) * | 2021-10-13 | 2024-10-29 | Tencent America LLC | Adaptive multiple transform set selection |
| US12452423B2 (en) * | 2021-12-03 | 2025-10-21 | Intel Corporation | Low frequency non-separable transform and multiple transform selection deadlock prevention |
| WO2024071680A1 (ko) * | 2022-09-29 | 2024-04-04 | 현대자동차주식회사 | 분리 불가능한 1차 변환 기반 비디오 코딩을 위한 방법 및 장치 |
| CN116362989B (zh) * | 2022-12-07 | 2026-01-02 | 电子科技大学 | 一种基于非下采样剪切波变换的sar图像滤波方法 |
| WO2025218691A1 (en) * | 2024-04-16 | 2025-10-23 | Mediatek Inc. | Methods and apparatus for adaptively determining selected transform type in image and video coding systems |
| EP4723627A1 (en) * | 2024-10-07 | 2026-04-08 | InterDigital CE Patent Holdings, SAS | Enriching implicit signaling of transforms |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140254675A1 (en) | 2011-10-17 | 2014-09-11 | Kt Corporation | Adaptive transform method based on in-screen prediction and apparatus using the method |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2730953T3 (es) | 2002-04-26 | 2019-11-13 | Ntt Docomo Inc | Método de decodificación de señal, dispositivo de decodificación de señal, y programa de decodificación de señal |
| GB2475721B (en) * | 2009-11-27 | 2015-03-11 | British Broadcasting Corp | Picture encoding and decoding |
| BR122020008881B1 (pt) * | 2010-07-15 | 2021-08-10 | Kabushiki Kaisha Toshiba | Métodos de codificação e de decodificação de imagem |
| US8885701B2 (en) * | 2010-09-08 | 2014-11-11 | Samsung Electronics Co., Ltd. | Low complexity transform coding using adaptive DCT/DST for intra-prediction |
| US10992958B2 (en) | 2010-12-29 | 2021-04-27 | Qualcomm Incorporated | Video coding using mapped transforms and scanning modes |
| US20120307893A1 (en) | 2011-06-02 | 2012-12-06 | Qualcomm Incorporated | Fast computing of discrete cosine and sine transforms of types vi and vii |
| KR102061201B1 (ko) | 2012-04-12 | 2019-12-31 | 주식회사 골드피크이노베이션즈 | 블록 정보에 따른 변환 방법 및 이러한 방법을 사용하는 장치 |
| US9124872B2 (en) | 2012-04-16 | 2015-09-01 | Qualcomm Incorporated | Coefficient groups and coefficient coding for coefficient scans |
| JP6595711B2 (ja) * | 2015-12-23 | 2019-10-23 | 華為技術有限公司 | 階層的分割内でのブロックレベルの変換選択および黙示的シグナリングを伴う変換コーディングのための方法および装置 |
| US10455228B2 (en) * | 2016-03-21 | 2019-10-22 | Qualcomm Incorporated | Determining prediction parameters for non-square blocks in video coding |
| US10972733B2 (en) | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
-
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140254675A1 (en) | 2011-10-17 | 2014-09-11 | Kt Corporation | Adaptive transform method based on in-screen prediction and apparatus using the method |
Non-Patent Citations (1)
| Title |
|---|
| Xin Zhao, et al.,Enhanced Multiple Transform for Video Coding,2016 Data Compression Conference,2016年03月30日,pp.73-82 |
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