BR112021026535A2 - Método de codificação/decodificação de imagem, aparelho e método para transmitir fluxo de bits usando a limitação de tamanho máximo do bloco de transformação de croma - Google Patents
Método de codificação/decodificação de imagem, aparelho e método para transmitir fluxo de bits usando a limitação de tamanho máximo do bloco de transformação de cromaInfo
- Publication number
- BR112021026535A2 BR112021026535A2 BR112021026535A BR112021026535A BR112021026535A2 BR 112021026535 A2 BR112021026535 A2 BR 112021026535A2 BR 112021026535 A BR112021026535 A BR 112021026535A BR 112021026535 A BR112021026535 A BR 112021026535A BR 112021026535 A2 BR112021026535 A2 BR 112021026535A2
- Authority
- BR
- Brazil
- Prior art keywords
- block
- current block
- bit stream
- decoding
- image encoding
- 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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
-
- 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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
-
- 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
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
-
- 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
- H04N19/186—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 colour or a chrominance component
-
- 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
- H04N19/423—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 characterised by memory arrangements
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
-
- 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
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)
Abstract
método de codificação/decodificação de imagem, aparelho e método para transmitir fluxo de bits usando a limitação de tamanho máximo do bloco de transformação de croma. um método e um aparelho para codificar/decodificar um vídeo são fornecidos. um método para decodificar um vídeo realizado por um aparelho de decodificação de imagem de acordo com a presente divulgação pode compreender as etapas de: determinar um modo de predição de um bloco atual; gerar um bloco de predição para o bloco atual com base na informação do modo de interpredição quando o modo de predição do bloco atual é um modo de interpredição; gerar um bloco residual do bloco atual com base em um bloco de transformação do bloco atual; e reconstruir o bloco atual com base no bloco residual do bloco atual e o bloco de predição.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962865951P | 2019-06-24 | 2019-06-24 | |
PCT/KR2020/008233 WO2020262962A1 (ko) | 2019-06-24 | 2020-06-24 | 크로마 변환 블록의 최대 크기 제한을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112021026535A2 true BR112021026535A2 (pt) | 2022-02-15 |
Family
ID=74061998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021026535A BR112021026535A2 (pt) | 2019-06-24 | 2020-06-24 | Método de codificação/decodificação de imagem, aparelho e método para transmitir fluxo de bits usando a limitação de tamanho máximo do bloco de transformação de croma |
Country Status (9)
Country | Link |
---|---|
US (2) | US11711519B2 (pt) |
EP (1) | EP3989557A4 (pt) |
JP (2) | JP7318024B2 (pt) |
KR (1) | KR20220004765A (pt) |
CN (1) | CN114270822A (pt) |
BR (1) | BR112021026535A2 (pt) |
CA (1) | CA3145389A1 (pt) |
MX (1) | MX2022000156A (pt) |
WO (1) | WO2020262962A1 (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2021014298A (es) * | 2019-05-24 | 2022-01-04 | Huawei Tech Co Ltd | Un codificador, un decodificador y metodos correspondientes utilizados para lista de fusion ibc. |
WO2021167340A1 (ko) * | 2020-02-17 | 2021-08-26 | 현대자동차주식회사 | 크로마 신호의 리샘플링에 기반하는 영상 부호화 및 복호화 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8422803B2 (en) * | 2007-06-28 | 2013-04-16 | Mitsubishi Electric Corporation | Image encoding device, image decoding device, image encoding method and image decoding method |
KR101269116B1 (ko) * | 2010-12-14 | 2013-05-29 | 엠앤케이홀딩스 주식회사 | 인터 예측 부호화된 동영상 복호화 방법 |
KR20130050404A (ko) * | 2011-11-07 | 2013-05-16 | 오수미 | 인터 모드에서의 복원 블록 생성 방법 |
KR102072124B1 (ko) * | 2011-11-24 | 2020-02-04 | 에스케이텔레콤 주식회사 | 세밀한 예측 단위를 사용하는 효과적인 부호화/복호화 방법 및 장치 |
CN108712652A (zh) * | 2012-06-29 | 2018-10-26 | 韩国电子通信研究院 | 视频编码方法和计算机可读介质 |
JP6341426B2 (ja) * | 2012-09-10 | 2018-06-13 | サン パテント トラスト | 画像復号化方法および画像復号化装置 |
US10397607B2 (en) * | 2013-11-01 | 2019-08-27 | Qualcomm Incorporated | Color residual prediction for video coding |
US10631013B2 (en) * | 2015-06-11 | 2020-04-21 | Lg Electronics Inc. | Method for re-positioning significant coefficient in image encoding/decoding process and device therefor |
EP3454559A1 (en) * | 2016-05-13 | 2019-03-13 | Sony Corporation | Image processing device and method |
KR101725287B1 (ko) * | 2016-10-27 | 2017-04-10 | 삼성전자주식회사 | 영상 복호화 방법 및 장치 |
EP3421851A1 (de) | 2017-06-30 | 2019-01-02 | VAT Holding AG | Vakuumventil mit drucksensor |
AU2018332398B2 (en) * | 2017-09-12 | 2022-11-24 | Samsung Electronics Co., Ltd. | Method for encoding and decoding motion information and device for encoding and decoding motion information |
US10666943B2 (en) * | 2017-09-15 | 2020-05-26 | Futurewei Technologies, Inc. | Block partition structure in video compression |
US10951895B2 (en) * | 2018-12-31 | 2021-03-16 | Alibaba Group Holding Limited | Context model selection based on coding unit characteristics |
KR101997604B1 (ko) * | 2019-01-22 | 2019-07-08 | 에스케이 텔레콤주식회사 | 영상 부호화/복호화 방법 및 장치 |
KR101997599B1 (ko) * | 2019-01-22 | 2019-07-08 | 에스케이 텔레콤주식회사 | 비균등 양자화를 이용한 효과적인 부호화/복호화 방법 및 장치 |
-
2020
- 2020-06-24 EP EP20830690.2A patent/EP3989557A4/en active Pending
- 2020-06-24 WO PCT/KR2020/008233 patent/WO2020262962A1/ko unknown
- 2020-06-24 JP JP2021577207A patent/JP7318024B2/ja active Active
- 2020-06-24 KR KR1020217042475A patent/KR20220004765A/ko unknown
- 2020-06-24 MX MX2022000156A patent/MX2022000156A/es unknown
- 2020-06-24 BR BR112021026535A patent/BR112021026535A2/pt unknown
- 2020-06-24 CN CN202080058307.0A patent/CN114270822A/zh active Pending
- 2020-06-24 CA CA3145389A patent/CA3145389A1/en active Pending
-
2021
- 2021-12-27 US US17/562,757 patent/US11711519B2/en active Active
-
2023
- 2023-06-06 US US18/206,547 patent/US12022083B2/en active Active
- 2023-07-03 JP JP2023109164A patent/JP7492067B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP7492067B2 (ja) | 2024-05-28 |
CA3145389A1 (en) | 2020-12-30 |
JP2022539750A (ja) | 2022-09-13 |
JP7318024B2 (ja) | 2023-07-31 |
US12022083B2 (en) | 2024-06-25 |
CN114270822A (zh) | 2022-04-01 |
EP3989557A1 (en) | 2022-04-27 |
WO2020262962A1 (ko) | 2020-12-30 |
MX2022000156A (es) | 2022-02-21 |
US20230353743A1 (en) | 2023-11-02 |
JP2023130427A (ja) | 2023-09-20 |
US20220201309A1 (en) | 2022-06-23 |
KR20220004765A (ko) | 2022-01-11 |
US11711519B2 (en) | 2023-07-25 |
EP3989557A4 (en) | 2023-05-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP4351139A3 (en) | Video encoding/decoding method and device, and recording medium storing bit stream | |
BR112017024275A2 (pt) | determinação de região de busca para inter-codificação dentro de imagem específica de dados de vídeo | |
BR112021006152A2 (pt) | método de codificação de imagem com base em histórico e aparelho do mesmo | |
BR112018073397A2 (pt) | predição de movimento afim para codificação de vídeo | |
MY196371A (en) | Image Prediction Method and Apparatus | |
EP4300961A3 (en) | Image signal encoding/decoding method and device | |
MY156223A (en) | Method and apparatus for encoding video by using block merging, and method and apparatus for decoding video by using block merging | |
WO2012121535A3 (ko) | 휘도 샘플을 이용한 색차 블록의 화면 내 예측 방법 및 이러한 방법을 사용하는 장치 | |
BR112013027344A2 (pt) | método de codificação de imagem, aparelho de codificação de imagem, método de decodificação de imagem, aparelho de decodificação de imagem, e aparelho de codificação e decodificação de imagem | |
MX2023012284A (es) | Metodo y aparato de decodificacion de video y metodo y aparato de codificacion de video. | |
MX2013013029A (es) | Metodo de decodificacion de imagenes, metodo de codificacion de imagenes, dispositivo de decodificacion de imagenes, dispositivo de codificacion de imagenes y dispositivo de codificacion/decodifi cacion de imagenes. | |
MX2021005149A (es) | Metodo para codificacion/decodifcacion de se?ales de video y aparato para lo mismo. | |
WO2012074344A3 (ko) | 움직임 정보 리스트 인덱싱 방법 및 이러한 방법을 사용하는 장치 | |
PH12021551031A1 (en) | Method for encoding/decoding image signal and device therefor | |
BR112021026535A2 (pt) | Método de codificação/decodificação de imagem, aparelho e método para transmitir fluxo de bits usando a limitação de tamanho máximo do bloco de transformação de croma | |
EP4262212A3 (en) | Image decoding and encoding method by an apparatus based on motion prediction in sub-block unit in image coding system | |
MX2021003245A (es) | Metodo de codificacion de nivel del factor de conversion y dispositivo del mismo. | |
WO2020106564A3 (en) | Method and device for picture encoding and decoding | |
KR20180084662A (ko) | 영상 신호 부호화/복호화 방법 및 장치 | |
PH12021550627A1 (en) | Image signal encoding/decoding method and device therefor | |
MX2021000650A (es) | Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado. | |
BR122022002096A8 (pt) | Método de decodificação/codificação de imagem realizado por um aparelho de decodificação/codificação, aparelho de decodificação/codificação para decodificação/codificação de imagem, método de transmissão de dados para imagem e mídia de armazenamento legível por computador não transitória | |
MX2021007632A (es) | Metodo para codificar imagen a base de intra prediccion usando la lista del modo mas probable (mpm) y aparato para el mismo. | |
BR112021026544A2 (pt) | Método de codificação/decodificação de imagem, aparelho e método para transmitir fluxo de bits usando ajuste de tamanho máximo de transformação do bloco de croma | |
CO2021010122A2 (es) | Refinamiento de movimiento lateral en sistemas de codificación/decodificación de vídeo |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B154 | Notification of filing of divisional application [chapter 15.50 patent gazette] |
Free format text: O PEDIDO FOI DIVIDIDO NO BR122023012589-4 PROTOCOLO 870230053767 EM 22/06/2023 15:28. |