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
- Publication number
- 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
- Authority
- JP
- Japan
- Prior art keywords
- dst
- horizontal
- transformation
- block
- dct
- 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.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
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 | 2017-07-13 | ||
| US15/649,612 US10972733B2 (en) | 2016-07-15 | 2017-07-13 | Look-up table for enhanced multiple transform |
| 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 (https=) | 2020-08-06 |
| JP7033117B2 true JP7033117B2 (ja) | 2022-03-09 |
Family
ID=60941548
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 (https=) |
| EP (1) | EP3485641A1 (https=) |
| JP (1) | JP7033117B2 (https=) |
| KR (1) | KR102519245B1 (https=) |
| CN (1) | CN109691101B (https=) |
| BR (1) | BR112019000344A2 (https=) |
| WO (1) | WO2018013953A1 (https=) |
Families Citing this family (119)
| 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 |
| KR102509347B1 (ko) * | 2017-04-13 | 2023-03-14 | 엘지전자 주식회사 | 비디오 신호를 인코딩, 디코딩하는 방법 및 장치 |
| 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 |
| US10979736B2 (en) * | 2017-06-08 | 2021-04-13 | Lg Electronics Inc. | Method and apparatus for performing low-complexity computation of transform kernel for video compression |
| 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 |
| CN111133758B (zh) * | 2017-09-28 | 2022-05-10 | 夏普株式会社 | 图像解码装置以及图像编码装置 |
| 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 |
| CN115834876B (zh) * | 2017-12-21 | 2025-08-08 | Lg电子株式会社 | 解码和编码设备、存储比特流的介质和数据发送设备 |
| CN111492658A (zh) * | 2017-12-22 | 2020-08-04 | 交互数字Vc控股公司 | 使用有效多个变换进行视频压缩的方法和装置 |
| EP3503549A1 (en) * | 2017-12-22 | 2019-06-26 | Thomson Licensing | Method and apparatus for video compression using efficient multiple transforms |
| CN117834921A (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 |
| US11962782B2 (en) | 2018-01-29 | 2024-04-16 | 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 |
| TWI791222B (zh) * | 2018-03-29 | 2023-02-01 | 弗勞恩霍夫爾協會 | 變換集合 |
| WO2019190284A1 (ko) * | 2018-03-29 | 2019-10-03 | 엘지전자 주식회사 | 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치 |
| WO2019190283A1 (ko) * | 2018-03-29 | 2019-10-03 | 엘지전자 주식회사 | 저복잡도 연산 dst7을 설계하는 방법 및 장치 |
| WO2019191218A1 (en) | 2018-03-30 | 2019-10-03 | Interdigital Vc Holdings, Inc. | Chroma quantization parameter adjustment in video encoding and decoding |
| CN110324668B (zh) * | 2018-03-31 | 2021-01-05 | 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 |
| KR20240040133A (ko) * | 2018-04-01 | 2024-03-27 | 엘지전자 주식회사 | 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치 |
| US10999604B2 (en) * | 2018-04-13 | 2021-05-04 | Mediatek Inc. | Adaptive implicit transform setting |
| US11297348B2 (en) * | 2018-04-13 | 2022-04-05 | Mediatek Inc. | Implicit transform settings for coding a block of pixels |
| 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 |
| HRP20230521T1 (hr) * | 2018-06-03 | 2023-08-04 | Lg Electronics Inc. | Postupak i uređaj za obradu video signala pomoću smanjene transformacije |
| US10645396B2 (en) * | 2018-06-04 | 2020-05-05 | Tencent America LLC | Method and apparatus for implicit transform splitting |
| CN118972569A (zh) | 2018-06-08 | 2024-11-15 | 株式会社Kt | 对图像进行解码和编码的方法以及用于发送压缩视频数据的设备 |
| 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 |
| 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 |
| 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 |
| KR20250029279A (ko) * | 2018-07-02 | 2025-03-04 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | 이차 변환을 기반으로 비디오 신호를 처리하는 방법 및 장치 |
| 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 |
| BR112020012295A2 (pt) * | 2018-07-13 | 2020-11-24 | Telefonaktiebolaget Lm Ericsson (Publ) | método para codificar uma sequência de vídeos, programa de computador, transportadora, codificador, e, decodificador |
| 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 |
| TWI814889B (zh) * | 2018-08-16 | 2023-09-11 | 大陸商北京字節跳動網絡技術有限公司 | 變換矩陣選擇的係數相關的編解碼 |
| KR102765982B1 (ko) | 2018-09-02 | 2025-02-07 | 엘지전자 주식회사 | 영상 신호를 처리하기 위한 방법 및 장치 |
| KR20250067947A (ko) | 2018-09-02 | 2025-05-15 | 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 |
| WO2020057504A1 (en) * | 2018-09-17 | 2020-03-26 | Mediatek Inc. | Methods and apparatuses of combining multiple predictors for block prediction in video coding systems |
| WO2020058568A1 (en) * | 2018-09-20 | 2020-03-26 | Nokia Technologies Oy | A method and an apparatus for encoding and decoding of 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 |
| EP3852374A4 (en) * | 2018-09-23 | 2021-12-08 | Lg Electronics Inc. | PROCESS FOR ENCODING / DECODING VIDEO SIGNALS AND ASSOCIATED EQUIPMENT |
| US11218694B2 (en) * | 2018-09-24 | 2022-01-04 | Qualcomm Incorporated | Adaptive multiple transform coding |
| JP7250917B2 (ja) * | 2018-10-06 | 2023-04-03 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 補間フィルタを使用するイントラ予測のための方法および装置 |
| 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 |
| CN112889269B (zh) * | 2018-10-23 | 2023-10-27 | 腾讯美国有限责任公司 | 视频解码方法及装置 |
| 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 |
| WO2020139182A1 (en) * | 2018-12-28 | 2020-07-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for selecting transform selection in an encoder and decoder |
| US10904563B2 (en) * | 2019-01-02 | 2021-01-26 | Tencent America LLC | Method and apparatus for improved zero out transform |
| MY207166A (en) * | 2019-01-11 | 2025-02-04 | 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 |
| CN115052163B (zh) * | 2019-03-03 | 2024-04-09 | 华为技术有限公司 | 编码器、解码器和用于变换处理的对应方法 |
| CN113365048B (zh) * | 2019-03-09 | 2022-08-05 | 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 |
| 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 |
| 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 |
| WO2020218861A1 (ko) | 2019-04-23 | 2020-10-29 | 주식회사 윌러스표준기술연구소 | 다중 변환 커널을 사용하는 비디오 신호 처리 방법 및 장치 |
| WO2020216282A1 (en) * | 2019-04-23 | 2020-10-29 | Beijing Bytedance Network Technology Co., Ltd. | Context modeling and selection of multiple transform matrix |
| CN113841409B (zh) * | 2019-05-10 | 2023-12-19 | 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 |
| US12267529B2 (en) * | 2019-05-31 | 2025-04-01 | 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 |
| CN113994666B (zh) * | 2019-06-06 | 2025-01-03 | 北京字节跳动网络技术有限公司 | 隐式选择变换候选 |
| WO2020244662A1 (en) | 2019-06-06 | 2020-12-10 | Beijing Bytedance Network Technology Co., Ltd. | Simplified transform coding tools |
| CN113950828B (zh) | 2019-06-07 | 2024-07-05 | 北京字节跳动网络技术有限公司 | 视频比特流中的简化二次变换的有条件信令 |
| 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 |
| WO2021023151A1 (en) | 2019-08-03 | 2021-02-11 | Beijing Bytedance Network Technology Co., Ltd. | Position based mode derivation in reduced secondary transforms for video |
| 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 |
| CA3159793A1 (en) * | 2019-10-29 | 2021-05-06 | Lg Electronics Inc. | Transform-based image coding method and device therefor |
| IL321502A (en) * | 2019-11-26 | 2025-08-01 | Fraunhofer Ges Forschung | 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 |
| US20230142928A1 (en) * | 2020-04-02 | 2023-05-11 | Lg Electronics Inc. | Transform-based image coding method and device therefor |
| 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 |
| BR112023020271A2 (pt) * | 2021-04-12 | 2023-11-14 | Qualcomm Inc | Seleção de múltiplas transformadas dependentes de modo intra para codificação de vídeo |
| 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 |
|---|---|---|---|---|
| JP3842803B2 (ja) | 2002-04-26 | 2006-11-08 | 株式会社エヌ・ティ・ティ・ドコモ | 信号符号化方法、信号復号方法、信号符号化装置、信号復号装置、信号符号化プログラム、及び信号復号プログラム |
| 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 |
| US9621921B2 (en) | 2012-04-16 | 2017-04-11 | Qualcomm Incorporated | Coefficient groups and coefficient coding for coefficient scans |
| EP3335422B1 (en) * | 2015-12-23 | 2021-12-01 | Huawei Technologies Co., Ltd. | Method and apparatus for transform coding with block-level transform selection and implicit signaling within hierarchical partitioning |
| US10567759B2 (en) * | 2016-03-21 | 2020-02-18 | Qualcomm Incorporated | Using luma information for chroma prediction with separate luma-chroma framework in video coding |
| US10972733B2 (en) | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
-
2017
- 2017-07-13 US US15/649,612 patent/US10972733B2/en active Active
- 2017-07-14 JP JP2019500664A patent/JP7033117B2/ja active Active
- 2017-07-14 CN CN201780043224.2A patent/CN109691101B/zh active Active
- 2017-07-14 WO PCT/US2017/042181 patent/WO2018013953A1/en not_active Ceased
- 2017-07-14 EP EP17742634.3A patent/EP3485641A1/en active Pending
- 2017-07-14 BR BR112019000344A patent/BR112019000344A2/pt active Search and Examination
- 2017-07-14 KR KR1020197000774A patent/KR102519245B1/ko active Active
-
2021
- 2021-03-10 US US17/197,883 patent/US11412224B2/en active Active
-
2022
- 2022-08-05 US US17/817,894 patent/US11647194B2/en active Active
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109691101A (zh) | 2019-04-26 |
| KR102519245B1 (ko) | 2023-04-06 |
| US10972733B2 (en) | 2021-04-06 |
| US11647194B2 (en) | 2023-05-09 |
| US20210195195A1 (en) | 2021-06-24 |
| KR20190027815A (ko) | 2019-03-15 |
| EP3485641A1 (en) | 2019-05-22 |
| JP2019525575A (ja) | 2019-09-05 |
| US11412224B2 (en) | 2022-08-09 |
| WO2018013953A1 (en) | 2018-01-18 |
| BR112019000344A2 (pt) | 2019-04-24 |
| US20180020218A1 (en) | 2018-01-18 |
| US20220385906A1 (en) | 2022-12-01 |
| CN109691101B (zh) | 2022-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11647194B2 (en) | Look-up table for enhanced multiple transform | |
| JP6768675B2 (ja) | 予測残差のための機能強化された複数の変換 | |
| CN112204969B (zh) | 用于视频编解码的编解码自适应多重变换信息 | |
| CN109716772B (zh) | 用于视频译码的变换选择 | |
| EP3639518B1 (en) | Intra filtering applied together with transform processing in video coding | |
| CN110073661B (zh) | 用于编码和解码视频数据的方法和装置 | |
| CN108605141B (zh) | 用于紧凑多遍变换的高效参数存储 | |
| CN105874796B (zh) | 用于基于调色板的视频译码的颜色索引译码 | |
| EP3005698B1 (en) | Residual differential pulse code modulation (dpcm) extensions and harmonization with transform skip, rotation, and scans | |
| KR20210135245A (ko) | 비디오 코딩에서의 암시적 변환 선택 | |
| HK40005713A (en) | Multi-type-tree framework for video coding | |
| BR112017016012B1 (pt) | Múltiplas transformadas melhoradas para residual de predição | |
| OA18315A (en) | Enhanced multiple transforms for prediction residual. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190116 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200624 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200624 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210625 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210719 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20211019 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220131 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220225 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 7033117 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |