MX2021003981A - Metodo para codificacion/decodificacion de se?al de imagen y dispositivo para lo mismo. - Google Patents
Metodo para codificacion/decodificacion de se?al de imagen y dispositivo para lo mismo.Info
- Publication number
- MX2021003981A MX2021003981A MX2021003981A MX2021003981A MX2021003981A MX 2021003981 A MX2021003981 A MX 2021003981A MX 2021003981 A MX2021003981 A MX 2021003981A MX 2021003981 A MX2021003981 A MX 2021003981A MX 2021003981 A MX2021003981 A MX 2021003981A
- Authority
- MX
- Mexico
- Prior art keywords
- intra
- current block
- prediction mode
- prediction
- encoding
- Prior art date
Links
- 239000013074 reference sample Substances 0.000 abstract 2
Classifications
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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
- H04N19/46—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
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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
- H04N19/50—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
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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
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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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
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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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
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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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
- H04N19/102—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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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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
- H04N19/134—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
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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
- H04N19/60—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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- 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
- H04N19/94—Vector 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
- H04N19/90—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
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)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
Un método de decodificación de imágenes según la presente invención incluye: un paso para determinar una línea de muestra de referencia de un bloque actual; un paso para determinar si existen modos de intra-predicción candidatos idénticos al modo de intra predicción del bloque actual; un paso para derivar el modo de intra predicción del bloque actual sobre la base de la determinación; y un paso para realizar intra predicción en el bloque actual sobre la base de la línea de muestra de referencia y el modo de intra predicción; aquí, al menos uno de los modos de intra predicción candidatos puede derivarse sumando o restando un desplazamiento hacia o desde el valor máximo entre el modo de intra predicción de un bloque vecino que está por encima del bloque actual y el modo de intra predicción de un bloque vecino que está a la izquierda del bloque actual.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20180121757 | 2018-10-12 | ||
| KR20180121713 | 2018-10-12 | ||
| KR20190006611 | 2019-01-18 | ||
| PCT/KR2019/013384 WO2020076125A1 (ko) | 2018-10-12 | 2019-10-11 | 영상 신호 부호화/복호화 방법 및 이를 위한 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2021003981A true MX2021003981A (es) | 2021-05-27 |
Family
ID=70164224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021003981A MX2021003981A (es) | 2018-10-12 | 2019-10-11 | Metodo para codificacion/decodificacion de se?al de imagen y dispositivo para lo mismo. |
Country Status (15)
| Country | Link |
|---|---|
| US (5) | US11252403B2 (es) |
| EP (2) | EP3840387B1 (es) |
| JP (3) | JP7430716B2 (es) |
| KR (1) | KR20200041810A (es) |
| CN (5) | CN116320407A (es) |
| AU (1) | AU2019358651A1 (es) |
| BR (1) | BR112021006238A2 (es) |
| CA (1) | CA3113861A1 (es) |
| CL (1) | CL2021000796A1 (es) |
| IL (2) | IL305173A (es) |
| MX (1) | MX2021003981A (es) |
| PH (1) | PH12021550624A1 (es) |
| SG (1) | SG11202103208PA (es) |
| WO (1) | WO2020076125A1 (es) |
| ZA (1) | ZA202101991B (es) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112823515B (zh) * | 2018-10-07 | 2024-03-19 | 三星电子株式会社 | 使用用于多参考线的mpm配置方法处理视频信号的方法和设备 |
| AU2019358651A1 (en) * | 2018-10-12 | 2021-04-15 | Guangdong Oppo Mobile Telecommunications Corp. , Ltd. | Method for encoding/decoding image signal and device for same |
| CA3113787C (en) | 2018-12-25 | 2024-02-13 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Decoding prediction method, apparatus and computer storage medium which use reference samples adjacent to at least one side of decoding block |
| WO2020163535A1 (en) * | 2019-02-05 | 2020-08-13 | Beijing Dajia Internet Information Technology Co., Ltd. | Video coding using intra sub-partition coding mode |
| KR20210114386A (ko) | 2019-02-08 | 2021-09-23 | 주식회사 윌러스표준기술연구소 | 이차 변환을 이용하는 비디오 신호 처리 방법 및 장치 |
| WO2020166977A1 (ko) * | 2019-02-12 | 2020-08-20 | 엘지전자 주식회사 | 비디오 신호를 처리하기 위한 방법 및 장치 |
| CN113491116B (zh) | 2019-02-28 | 2024-07-26 | 数码士有限公司 | 基于帧内预测的视频信号处理方法和装置 |
| JP7100194B2 (ja) * | 2019-03-11 | 2022-07-12 | 日本放送協会 | 画像符号化装置、画像復号装置、及びプログラム |
| JP7145793B2 (ja) * | 2019-03-11 | 2022-10-03 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| AU2020265960A1 (en) | 2019-04-27 | 2021-08-19 | Huawei Technologies Co., Ltd. | An encoder, a decoder and corresponding methods of intra prediction |
| AU2019204437B2 (en) * | 2019-06-24 | 2022-02-03 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding a block of video samples |
| US11310511B2 (en) * | 2019-10-09 | 2022-04-19 | Tencent America LLC | Method and apparatus for video coding |
| US11671592B2 (en) * | 2019-12-09 | 2023-06-06 | Qualcomm Incorporated | Position-dependent intra-prediction combination for angular intra-prediction modes for video coding |
| WO2022186616A1 (ko) * | 2021-03-04 | 2022-09-09 | 현대자동차주식회사 | 인트라 예측모드 유도를 이용하는 비디오 코딩방법 및 장치 |
| US11709352B2 (en) * | 2021-03-25 | 2023-07-25 | Trustees Of Boston University | Dark-field mid-infrared photothermal microscopy |
| US20230078392A1 (en) * | 2021-09-15 | 2023-03-16 | Tencent America LLC | Geometric partition based intra prediction |
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| CN102970526B (zh) * | 2011-08-31 | 2016-12-14 | 华为技术有限公司 | 一种获得变换块尺寸的方法和模块 |
| EP2942956B1 (en) * | 2011-10-24 | 2020-06-03 | Innotive Ltd | Image decoding apparatus |
| US9154796B2 (en) | 2011-11-04 | 2015-10-06 | Qualcomm Incorporated | Intra-mode video coding |
| US10841593B2 (en) * | 2015-06-18 | 2020-11-17 | Qualcomm Incorporated | Intra prediction and intra mode coding |
| KR20170058837A (ko) * | 2015-11-19 | 2017-05-29 | 한국전자통신연구원 | 화면내 예측모드 부호화/복호화 방법 및 장치 |
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| CN116708775A (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 |
| KR20180014675A (ko) * | 2016-08-01 | 2018-02-09 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| KR102416257B1 (ko) | 2016-08-03 | 2022-07-04 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
| WO2018047995A1 (ko) * | 2016-09-08 | 2018-03-15 | 엘지전자(주) | 인트라 예측 모드 기반 영상 처리 방법 및 이를 위한 장치 |
| WO2018052224A1 (ko) * | 2016-09-13 | 2018-03-22 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| CN116634182A (zh) * | 2016-10-04 | 2023-08-22 | 株式会社Kt | 对图像进行解码和编码的方法、图像数据的发送方法 |
| US11297348B2 (en) * | 2018-04-13 | 2022-04-05 | Mediatek Inc. | Implicit transform settings for coding a block of pixels |
| KR102659354B1 (ko) * | 2018-06-03 | 2024-04-18 | 엘지전자 주식회사 | 축소된 변환을 이용하여 비디오 신호를 처리하는 방법 및 장치 |
| US11128872B2 (en) * | 2018-07-16 | 2021-09-21 | Qualcomm Incorporated | Position dependent intra prediction combination with wide angle intra prediction |
| WO2020043145A1 (en) * | 2018-08-29 | 2020-03-05 | Huawei Technologies Co., Ltd. | Apparatus and method and for boundary partition |
| CN112740686B (zh) * | 2018-09-19 | 2024-06-11 | 韩国电子通信研究院 | 用于帧内预测模式编码/解码的方法和设备以及用于存储比特流的记录介质 |
| US11218694B2 (en) * | 2018-09-24 | 2022-01-04 | Qualcomm Incorporated | Adaptive multiple transform coding |
| AU2019358651A1 (en) * | 2018-10-12 | 2021-04-15 | Guangdong Oppo Mobile Telecommunications Corp. , Ltd. | Method for encoding/decoding image signal and device for same |
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2019
- 2019-10-11 AU AU2019358651A patent/AU2019358651A1/en active Pending
- 2019-10-11 CN CN202310276549.2A patent/CN116320407A/zh active Pending
- 2019-10-11 CN CN201980056255.0A patent/CN112930685A/zh active Pending
- 2019-10-11 KR KR1020190126375A patent/KR20200041810A/ko active Search and Examination
- 2019-10-11 IL IL305173A patent/IL305173A/en unknown
- 2019-10-11 MX MX2021003981A patent/MX2021003981A/es unknown
- 2019-10-11 IL IL281823A patent/IL281823B2/en unknown
- 2019-10-11 CN CN202310276059.2A patent/CN116320406A/zh active Pending
- 2019-10-11 CN CN202110387937.9A patent/CN113225559B/zh active Active
- 2019-10-11 CA CA3113861A patent/CA3113861A1/en active Pending
- 2019-10-11 CN CN202310275594.6A patent/CN116347072A/zh active Pending
- 2019-10-11 EP EP19870627.7A patent/EP3840387B1/en active Active
- 2019-10-11 WO PCT/KR2019/013384 patent/WO2020076125A1/ko active Application Filing
- 2019-10-11 JP JP2021519620A patent/JP7430716B2/ja active Active
- 2019-10-11 BR BR112021006238A patent/BR112021006238A2/pt unknown
- 2019-10-11 SG SG11202103208PA patent/SG11202103208PA/en unknown
- 2019-10-11 EP EP24153148.2A patent/EP4336830A3/en active Pending
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2021
- 2021-03-18 PH PH12021550624A patent/PH12021550624A1/en unknown
- 2021-03-24 ZA ZA2021/01991A patent/ZA202101991B/en unknown
- 2021-03-29 CL CL2021000796A patent/CL2021000796A1/es unknown
- 2021-04-01 US US17/220,793 patent/US11252403B2/en active Active
- 2021-12-07 US US17/457,949 patent/US20220094912A1/en active Granted
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2023
- 2023-09-13 US US18/466,790 patent/US20240007616A1/en active Pending
- 2023-09-14 US US18/467,652 patent/US20240007617A1/en active Pending
- 2023-09-15 US US18/467,954 patent/US20240007618A1/en active Pending
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2024
- 2024-01-24 JP JP2024008514A patent/JP2024042015A/ja active Pending
- 2024-01-25 JP JP2024009480A patent/JP2024042028A/ja active Pending
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