PL4221225T3 - Obsługa narzędzia kodowania dwukierunkowego przepływu optycznego (bio) na potrzeby zmiany rozdzielczości obrazu referencyjnego w kodowaniu wideo - Google Patents
Obsługa narzędzia kodowania dwukierunkowego przepływu optycznego (bio) na potrzeby zmiany rozdzielczości obrazu referencyjnego w kodowaniu wideoInfo
- Publication number
- PL4221225T3 PL4221225T3 PL23167225.4T PL23167225T PL4221225T3 PL 4221225 T3 PL4221225 T3 PL 4221225T3 PL 23167225 T PL23167225 T PL 23167225T PL 4221225 T3 PL4221225 T3 PL 4221225T3
- Authority
- PL
- Poland
- Prior art keywords
- bio
- handling
- coding
- reference picture
- optical flow
- Prior art date
Links
- 238000012952 Resampling Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
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
- H04N19/103—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
-
- 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
- H04N19/132—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
- H04N19/134—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
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
-
- 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
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
-
- 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
- H04N19/51—Motion estimation or motion compensation
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
-
- 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)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962848409P | 2019-05-15 | 2019-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL4221225T3 true PL4221225T3 (pl) | 2024-08-26 |
Family
ID=73289314
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL23167225.4T PL4221225T3 (pl) | 2019-05-15 | 2020-05-14 | Obsługa narzędzia kodowania dwukierunkowego przepływu optycznego (bio) na potrzeby zmiany rozdzielczości obrazu referencyjnego w kodowaniu wideo |
| PL20805381.9T PL3970363T3 (pl) | 2019-05-15 | 2020-05-14 | Obsługa narzędzia kodowania dwukierunkowego przepływu optycznego (bio) dla ponownego próbkowania obrazu referencyjnego w kodowaniu wideo |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL20805381.9T PL3970363T3 (pl) | 2019-05-15 | 2020-05-14 | Obsługa narzędzia kodowania dwukierunkowego przepływu optycznego (bio) dla ponownego próbkowania obrazu referencyjnego w kodowaniu wideo |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US12452405B2 (pl) |
| EP (3) | EP4407992A3 (pl) |
| JP (3) | JP7384929B2 (pl) |
| KR (2) | KR102628896B1 (pl) |
| CN (4) | CN121151544A (pl) |
| ES (2) | ES2947509T3 (pl) |
| HU (2) | HUE067055T2 (pl) |
| MX (3) | MX2021013977A (pl) |
| PL (2) | PL4221225T3 (pl) |
| PT (2) | PT3970363T (pl) |
| WO (1) | WO2020232264A1 (pl) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102662616B1 (ko) | 2019-05-21 | 2024-04-30 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 어파인 모드를 위한 적응적 모션 벡터 차이 해상도 |
| CN114342405B (zh) | 2019-06-24 | 2025-01-14 | Lg电子株式会社 | 图像解码方法和用于该图像解码方法的装置 |
| WO2021027774A1 (en) | 2019-08-10 | 2021-02-18 | Beijing Bytedance Network Technology Co., Ltd. | Subpicture dependent signaling in video bitstreams |
| EP4020992A4 (en) * | 2019-08-22 | 2023-06-21 | LG Electronics Inc. | PICTURE CODING/DECODING METHOD AND DEVICE FOR PERFORMING WEIGHTED PREDICTION AND METHOD FOR TRANSMITTING A BIT STREAM |
| EP4032290A4 (en) | 2019-10-18 | 2022-11-30 | Beijing Bytedance Network Technology Co., Ltd. | SYNTAX RESTRICTIONS IN PARAMETER SET SIGNALING OF SUBPICTURES |
| CN115280774B (zh) | 2019-12-02 | 2025-08-19 | 抖音视界有限公司 | 视觉媒体处理的方法、装置及非暂时性计算机可读存储介质 |
| EP4107941A4 (en) | 2020-03-23 | 2023-04-19 | Beijing Bytedance Network Technology Co., Ltd. | PREDICTION REFINEMENT FOR AFFINE MERGE AND AFFINER MOTION VECTOR PREDICTION MODE |
| CN115118972B (zh) * | 2021-03-17 | 2025-09-02 | 华为技术有限公司 | 视频图像的编解码方法及相关设备 |
| EP4351133A1 (en) * | 2022-10-07 | 2024-04-10 | Beijing Xiaomi Mobile Software Co., Ltd. | Encoding/decoding video picture data |
| CN120378615A (zh) * | 2024-01-24 | 2025-07-25 | 华为技术有限公司 | 一种编解码方法及装置 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL149562A0 (en) | 2002-05-09 | 2002-11-10 | Prochon Ltd | Fgf variants and methods for use thereof |
| MXPA05002511A (es) * | 2002-09-05 | 2005-08-16 | Agency Science Tech & Res | Un metodo y un aparato para controlar la velocidad de una secuencia de video; un dispositivo que codifica un video. |
| US8160149B2 (en) | 2007-04-03 | 2012-04-17 | Gary Demos | Flowfield motion compensation for video compression |
| US9451252B2 (en) | 2012-01-14 | 2016-09-20 | Qualcomm Incorporated | Coding parameter sets and NAL unit headers for video coding |
| US20150195564A1 (en) | 2014-01-03 | 2015-07-09 | Qualcomm Incorporated | Method for coding a reference picture set (rps) in multi-layer coding |
| US10567804B2 (en) | 2014-01-08 | 2020-02-18 | Qualcomm Incorporated | Carriage of HEVC extension bitstreams and buffer model with MPEG-2 systems |
| WO2015125489A1 (en) * | 2014-02-24 | 2015-08-27 | Sharp Kabushiki Kaisha | Restrictions on signaling |
| US20170324981A1 (en) | 2014-06-19 | 2017-11-09 | Sharp Kabushiki Kaisha | Method for decoding a video bitstream |
| US10264286B2 (en) | 2014-06-26 | 2019-04-16 | Qualcomm Incorporated | Bitstream conformance constraints in scalable video coding |
| US10375413B2 (en) | 2015-09-28 | 2019-08-06 | Qualcomm Incorporated | Bi-directional optical flow for video coding |
| CN108541375B (zh) * | 2016-02-03 | 2022-04-12 | 夏普株式会社 | 运动图像解码装置、运动图像编码装置、以及预测图像生成装置 |
| US10904565B2 (en) * | 2017-06-23 | 2021-01-26 | Qualcomm Incorporated | Memory-bandwidth-efficient design for bi-directional optical flow (BIO) |
| CN111869221B (zh) | 2018-04-05 | 2021-07-20 | 华为技术有限公司 | Dash对象之间的有效关联 |
| KR20240024335A (ko) * | 2018-11-22 | 2024-02-23 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 서브 블록 기반 인터 예측을 위한 조정 방법 |
| KR102783522B1 (ko) * | 2019-02-14 | 2025-03-19 | 엘지전자 주식회사 | Dmvr 기반의 인터 예측 방법 및 장치 |
| WO2020185427A1 (en) * | 2019-03-11 | 2020-09-17 | Alibaba Group Holding Limited | Inter prediction methods for coding video data |
| US11039150B2 (en) * | 2019-04-19 | 2021-06-15 | Tencent America LLC | Method and apparatus for video coding |
| SG11202112279WA (en) | 2019-05-11 | 2021-12-30 | Beijing Bytedance Network Technology Co Ltd | Selective use of coding tools in video processing |
| CN116347101B (zh) * | 2019-07-08 | 2025-07-01 | 华为技术有限公司 | 用于视频译码中的参考图像重采样的多个图像大小和符合性窗口的处理 |
| EP4029274A4 (en) | 2019-10-13 | 2022-11-30 | Beijing Bytedance Network Technology Co., Ltd. | INTERPLAY BETWEEN REFERENCE IMAGE CAPTURE AND VIDEO ENCODING TOOLS |
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2020
- 2020-05-14 PL PL23167225.4T patent/PL4221225T3/pl unknown
- 2020-05-14 WO PCT/US2020/032922 patent/WO2020232264A1/en not_active Ceased
- 2020-05-14 MX MX2021013977A patent/MX2021013977A/es unknown
- 2020-05-14 CN CN202510983481.0A patent/CN121151544A/zh active Pending
- 2020-05-14 CN CN202080035926.8A patent/CN113826381A/zh active Pending
- 2020-05-14 PT PT208053819T patent/PT3970363T/pt unknown
- 2020-05-14 EP EP24175877.0A patent/EP4407992A3/en active Pending
- 2020-05-14 CN CN202410218755.2A patent/CN118101931B/zh active Active
- 2020-05-14 KR KR1020217041181A patent/KR102628896B1/ko active Active
- 2020-05-14 KR KR1020247002255A patent/KR102890734B1/ko active Active
- 2020-05-14 ES ES20805381T patent/ES2947509T3/es active Active
- 2020-05-14 ES ES23167225T patent/ES2987557T3/es active Active
- 2020-05-14 JP JP2021568304A patent/JP7384929B2/ja active Active
- 2020-05-14 CN CN202510994201.6A patent/CN120769036A/zh active Pending
- 2020-05-14 EP EP20805381.9A patent/EP3970363B1/en active Active
- 2020-05-14 PL PL20805381.9T patent/PL3970363T3/pl unknown
- 2020-05-14 PT PT231672254T patent/PT4221225T/pt unknown
- 2020-05-14 HU HUE23167225A patent/HUE067055T2/hu unknown
- 2020-05-14 HU HUE20805381A patent/HUE061979T2/hu unknown
- 2020-05-14 EP EP23167225.4A patent/EP4221225B1/en active Active
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2021
- 2021-09-24 US US17/484,796 patent/US12452405B2/en active Active
- 2021-11-12 MX MX2024015519A patent/MX2024015519A/es unknown
- 2021-11-12 MX MX2024002741A patent/MX2024002741A/es unknown
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2023
- 2023-11-09 JP JP2023191422A patent/JP7635341B2/ja active Active
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2025
- 2025-02-12 JP JP2025020501A patent/JP2025087712A/ja active Pending
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