BR112020024151A2 - método, aparelho e sistema para codificar e decodificar um bloco transformado de amostras de vídeo - Google Patents
método, aparelho e sistema para codificar e decodificar um bloco transformado de amostras de vídeo Download PDFInfo
- Publication number
- BR112020024151A2 BR112020024151A2 BR112020024151-2A BR112020024151A BR112020024151A2 BR 112020024151 A2 BR112020024151 A2 BR 112020024151A2 BR 112020024151 A BR112020024151 A BR 112020024151A BR 112020024151 A2 BR112020024151 A2 BR 112020024151A2
- Authority
- BR
- Brazil
- Prior art keywords
- transform
- type
- block
- horizontal
- vertical
- Prior art date
Links
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
- H04N19/12—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
- H04N19/60—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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
- G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
-
- 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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- 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
- H04N19/169—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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- 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
-
- 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
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/96—Tree coding, e.g. quad-tree coding
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2018204786A AU2018204786B2 (en) | 2018-06-29 | 2018-06-29 | Method, apparatus and system for encoding and decoding a transformed block of video samples |
| AU2018204786 | 2018-06-29 | ||
| PCT/AU2019/050534 WO2020000019A1 (en) | 2018-06-29 | 2019-05-29 | Method, apparatus and system for encoding and decoding a transformed block of video samples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112020024151A2 true BR112020024151A2 (pt) | 2021-03-02 |
Family
ID=68984392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112020024151-2A BR112020024151A2 (pt) | 2018-06-29 | 2019-05-29 | método, aparelho e sistema para codificar e decodificar um bloco transformado de amostras de vídeo |
Country Status (10)
| Country | Link |
|---|---|
| US (6) | US11445191B2 (https=) |
| EP (1) | EP3815362A4 (https=) |
| JP (2) | JP7777922B2 (https=) |
| KR (1) | KR102579286B1 (https=) |
| CN (6) | CN117560513A (https=) |
| AU (2) | AU2018204786B2 (https=) |
| BR (1) | BR112020024151A2 (https=) |
| RU (2) | RU2764258C1 (https=) |
| TW (1) | TWI827616B (https=) |
| WO (1) | WO2020000019A1 (https=) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112021010602A2 (pt) * | 2018-12-26 | 2021-08-24 | Panasonic Intellectual Property Corporation Of America | Método de codificação de dados tridimensionais, método de decodificação de dados tridimensionais, dispositivo de codificação de dados tridimensionais, e dispositivo de decodificação de dados tridimensionais |
| WO2020141892A1 (ko) * | 2019-01-01 | 2020-07-09 | 엘지전자 주식회사 | 이차 변환에 기반한 영상 코딩 방법 및 그 장치 |
| TWI737143B (zh) * | 2019-01-25 | 2021-08-21 | 聯發科技股份有限公司 | 帶有變換塊級別約束的變換係數編碼的方法和設備 |
| WO2020156464A1 (en) | 2019-01-31 | 2020-08-06 | Mediatek Inc. | Method and apparatus of combined inter and intraprediction for video coding |
| CN114208198B (zh) * | 2019-01-31 | 2025-07-18 | 寰发股份有限公司 | 视频编码中用于帧内分区的转换类型分配方法和装置 |
| 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 |
| PL3937501T3 (pl) * | 2019-03-26 | 2024-10-14 | Lg Electronics Inc. | Kodowanie obrazu oparte na przekształceniu |
| CN120812253A (zh) * | 2019-06-21 | 2025-10-17 | 松下电器（美国）知识产权公司 | 用于视频译码的系统和方法 |
| WO2021058593A1 (en) * | 2019-09-24 | 2021-04-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Coding concept for a sequence of information values |
| WO2021171360A1 (ja) | 2020-02-25 | 2021-09-02 | 日本電信電話株式会社 | 符号化方法、符号化装置及びプログラム |
| WO2022109910A1 (zh) * | 2020-11-26 | 2022-06-02 | 深圳市大疆创新科技有限公司 | 视频编码方法、装置、编码器和存储介质 |
| EP4415362A4 (en) * | 2021-10-05 | 2025-10-22 | Lg Electronics Inc | IMAGE ENCODING/DECODING METHOD AND DEVICE BASED ON NON-SEPARABLE PRIMARY TRANSFORM, AND RECORDING MEDIUM FOR STORING BIT STREAM |
| CN114900703B (zh) * | 2022-03-31 | 2024-07-23 | 中南大学 | 一种通用视频编码系统及数据处理方法 |
| WO2024020117A1 (en) * | 2022-07-19 | 2024-01-25 | Google Llc | Dependent context model for transform types |
| US12348749B2 (en) * | 2023-05-08 | 2025-07-01 | Tencent America LLC | Extension to block adaptive weighted prediction |
| US12112711B1 (en) * | 2023-08-23 | 2024-10-08 | Novatek Microelectronics Corp. | Processor and pixel degradation compensation method thereof |
| WO2025065696A1 (zh) * | 2023-09-28 | 2025-04-03 | Oppo广东移动通信有限公司 | 编解码方法、码流、编码器、解码器以及存储介质 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7471834B2 (en) * | 2000-07-24 | 2008-12-30 | Vmark, Inc. | Rapid production of reduced-size images from compressed video streams |
| US7760950B2 (en) * | 2002-09-26 | 2010-07-20 | Ntt Docomo, Inc. | Low complexity and unified transforms for video coding |
| US6900748B2 (en) | 2003-07-17 | 2005-05-31 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for binarization and arithmetic coding of a data value |
| US8976861B2 (en) | 2010-12-03 | 2015-03-10 | Qualcomm Incorporated | Separately coding the position of a last significant coefficient of a video block in video coding |
| WO2012134246A2 (ko) | 2011-04-01 | 2012-10-04 | 엘지전자 주식회사 | 엔트로피 디코딩 방법 및 이를 이용하는 디코딩 장치 |
| EP3306939B1 (en) | 2011-06-28 | 2020-08-05 | Samsung Electronics Co., Ltd. | Method and apparatus for video encoding, corresponding method for video decoding, video accompanied with arithmetic decoding and two dimensional last significant coefficient signaling |
| JP5733590B2 (ja) | 2011-07-15 | 2015-06-10 | モトローラ モビリティ エルエルシーＭｏｔｏｒｏｌａ Ｍｏｂｉｌｉｔｙ Ｌｌｃ | 変換係数レベルを符号化するコンテキストモデリング技法 |
| US9264706B2 (en) | 2012-04-11 | 2016-02-16 | Qualcomm Incorporated | Bypass bins for reference index coding in video coding |
| MX363952B (es) * | 2012-04-13 | 2019-04-08 | Mitsubishi Electric Corp | Dispositivo de codificacion de imagen, dispositivo de decodificacion de imagen, metodo de codificacion de imagen, y metodo de decodificacion de imagen. |
| US9319684B2 (en) | 2012-08-21 | 2016-04-19 | Qualcomm Incorporated | Alternative transform in scalable video coding |
| CN107005695B (zh) | 2014-11-28 | 2020-01-07 | 联发科技股份有限公司 | 用于视频编码的替代变换的方法及装置 |
| US9936201B2 (en) * | 2015-01-27 | 2018-04-03 | Qualcomm Incorporated | Contexts for large coding tree units |
| BR112018007925A2 (pt) | 2015-11-06 | 2018-10-30 | Huawei Technologies Co., Ltd. | método e aparelho de dequantização de coeficiente de transformada, e dispositivo de decodificação |
| MX392688B (es) * | 2016-05-13 | 2025-03-24 | Sony Corp | Aparato y metodo de procesamiento de imagenes. |
| KR20180001485A (ko) | 2016-06-24 | 2018-01-04 | 한국전자통신연구원 | 변환 기반의 영상 부호화/복호화 방법 및 장치 |
| CN117412043A (zh) | 2016-07-13 | 2024-01-16 | 韩国电子通信研究院 | 图像编码/解码方法和装置 |
| KR102357329B1 (ko) | 2016-07-14 | 2022-02-03 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 변환 기반 잔차 코딩을 이용한 예측 화상 코딩 |
| US10972733B2 (en) * | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
| CN116708776A (zh) * | 2016-07-18 | 2023-09-05 | 韩国电子通信研究院 | 图像编码/解码方法和装置以及存储比特流的记录介质 |
| US11095893B2 (en) | 2016-10-12 | 2021-08-17 | Qualcomm Incorporated | Primary transform and secondary transform in video coding |
| US10986340B2 (en) * | 2018-06-01 | 2021-04-20 | Qualcomm Incorporated | Coding adaptive multiple transform information for video coding |
-
2018
- 2018-06-29 AU AU2018204786A patent/AU2018204786B2/en active Active
-
2019
- 2019-05-29 RU RU2020138871A patent/RU2764258C1/ru active
- 2019-05-29 CN CN202311312051.3A patent/CN117560513A/zh active Pending
- 2019-05-29 CN CN202311312298.5A patent/CN117544792A/zh active Pending
- 2019-05-29 EP EP19825882.4A patent/EP3815362A4/en active Pending
- 2019-05-29 JP JP2020563622A patent/JP7777922B2/ja active Active
- 2019-05-29 CN CN202311312048.1A patent/CN117528121A/zh active Pending
- 2019-05-29 CN CN202311312173.2A patent/CN117544791A/zh active Pending
- 2019-05-29 BR BR112020024151-2A patent/BR112020024151A2/pt unknown
- 2019-05-29 CN CN202311312045.8A patent/CN117560512A/zh active Pending
- 2019-05-29 CN CN201980041724.1A patent/CN112335241B/zh active Active
- 2019-05-29 RU RU2021139861A patent/RU2021139861A/ru unknown
- 2019-05-29 WO PCT/AU2019/050534 patent/WO2020000019A1/en not_active Ceased
- 2019-05-29 US US17/056,731 patent/US11445191B2/en active Active
- 2019-05-29 KR KR1020207034287A patent/KR102579286B1/ko active Active
- 2019-06-11 TW TW108120053A patent/TWI827616B/zh active
-
2022
- 2022-07-29 US US17/816,266 patent/US12047574B2/en active Active
- 2022-07-29 US US17/816,174 patent/US12047572B2/en active Active
- 2022-07-29 US US17/816,283 patent/US12069264B2/en active Active
- 2022-07-29 US US17/816,260 patent/US12058324B2/en active Active
- 2022-07-29 US US17/816,202 patent/US12047573B2/en active Active
-
2023
- 2023-10-25 JP JP2023183527A patent/JP7656006B2/ja active Active
-
2025
- 2025-05-13 AU AU2025203432A patent/AU2025203432A1/en active Pending
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR112020024151A2 (pt) | método, aparelho e sistema para codificar e decodificar um bloco transformado de amostras de vídeo | |
| CN113574874B (zh) | 用于编码和解码视频样本的块树的方法、设备和系统 | |
| CN112585971B (zh) | 一种图像编码和解码的方法、设备和非暂时性计算机可读存储介质 | |
| BR112021003783A2 (pt) | método, aparelho e sistema para codificar e decodificar uma árvore de blocos de amostras de vídeo | |
| CN113557731B (zh) | 用于编码和解码视频样本的块树的方法、设备和系统 | |
| CN116684598A (zh) | 图像解码设备和方法、图像编码设备和方法以及存储介质 | |
| WO2020118351A1 (en) | Method, apparatus and system for encoding and decoding a transformed block of video samples | |
| WO2020118349A1 (en) | Method, apparatus and system for encoding and decoding a transformed block of video samples | |
| BR122024022524A2 (pt) | Método, aparelho e sistema para codificar e decodificar um bloco de amostras de vídeo | |
| BR122024022527A2 (pt) | Método, aparelho e sistema para codificar e decodificar um bloco de amostras de vídeo | |
| BR122024022530A2 (pt) | Método, aparelho e sistema para codificar e decodificar um bloco de amostras de vídeo | |
| BR122024022533A2 (pt) | Método, aparelho e sistema para codificar e decodificar um bloco de amostras de vídeo | |
| BR122024022535A2 (pt) | Método, aparelho e sistema para codificar e decodificar um bloco de amostras de vídeo |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B350 | Update of information on the portal [chapter 15.35 patent gazette] |