PH12021550627A1 - Image signal encoding/decoding method and device therefor - Google Patents
Image signal encoding/decoding method and device thereforInfo
- Publication number
- PH12021550627A1 PH12021550627A1 PH12021550627A PH12021550627A PH12021550627A1 PH 12021550627 A1 PH12021550627 A1 PH 12021550627A1 PH 12021550627 A PH12021550627 A PH 12021550627A PH 12021550627 A PH12021550627 A PH 12021550627A PH 12021550627 A1 PH12021550627 A1 PH 12021550627A1
- Authority
- PH
- Philippines
- Prior art keywords
- affine
- vector
- decoding method
- seed vector
- current block
- Prior art date
Links
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
- H04N19/10—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
- H04N19/109—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
- H04N19/103—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
-
- 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
- H04N19/132—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
- H04N19/10—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
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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
- H04N19/503—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
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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
- H04N19/503—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
- H04N19/537—Motion estimation other than block-based
- H04N19/54—Motion estimation other than block-based using feature points or meshes
-
- 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
-
- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
-
- 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)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20180114342 | 2018-09-21 | ||
| KR20180114344 | 2018-09-21 | ||
| KR20180114343 | 2018-09-21 | ||
| PCT/KR2019/012290 WO2020060327A1 (ko) | 2018-09-21 | 2019-09-20 | 영상 신호 부호화/복호화 방법 및 이를 위한 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PH12021550627A1 true PH12021550627A1 (en) | 2022-02-14 |
Family
ID=69887728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PH12021550627A PH12021550627A1 (en) | 2018-09-21 | 2021-03-18 | Image signal encoding/decoding method and device therefor |
Country Status (17)
| Country | Link |
|---|---|
| US (8) | US11223845B2 (https=) |
| EP (5) | EP4224848A1 (https=) |
| JP (3) | JP7449279B2 (https=) |
| KR (2) | KR102916941B1 (https=) |
| CN (6) | CN121309847A (https=) |
| AU (6) | AU2019344978B2 (https=) |
| BR (1) | BR112021004922A2 (https=) |
| CA (2) | CA3250687A1 (https=) |
| CL (1) | CL2021000671A1 (https=) |
| ES (3) | ES2984725T3 (https=) |
| IL (2) | IL281622B2 (https=) |
| MX (5) | MX2021003325A (https=) |
| PH (1) | PH12021550627A1 (https=) |
| PL (3) | PL3840376T3 (https=) |
| SG (1) | SG11202102788YA (https=) |
| WO (1) | WO2020060327A1 (https=) |
| ZA (1) | ZA202101846B (https=) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019225994A1 (ko) * | 2018-05-24 | 2019-11-28 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
| KR20240027856A (ko) * | 2018-07-11 | 2024-03-04 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 비디오 인코더, 비디오 디코더, 및 대응하는 방법 |
| EP4383713A3 (en) | 2018-09-21 | 2024-08-28 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for encoding/decoding image signal and apparatus therefor |
| CN113225559B (zh) | 2018-10-12 | 2023-05-16 | Oppo广东移动通信有限公司 | 视频信号的编码方法和解码方法及其装置 |
| CN118474382A (zh) | 2018-12-07 | 2024-08-09 | 三星电子株式会社 | 视频解码方法以及视频编码方法 |
| CN116456083B (zh) | 2018-12-25 | 2026-04-07 | Oppo广东移动通信有限公司 | 解码预测方法、装置及计算机存储介质 |
| CN112236998B (zh) * | 2019-01-02 | 2024-11-22 | 苹果公司 | 用于对视频信号进行编码/解码的方法及其装置 |
| US12120335B2 (en) * | 2021-08-24 | 2024-10-15 | Tencent America LLC | Hardware friendly design for intra mode coding |
| CN119137938B (zh) * | 2022-05-18 | 2026-03-24 | Oppo广东移动通信有限公司 | 视频编码方法、装置、设备、系统、及存储介质 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7730406B2 (en) * | 2004-10-20 | 2010-06-01 | Hewlett-Packard Development Company, L.P. | Image processing system and method |
| JP2011217044A (ja) * | 2010-03-31 | 2011-10-27 | Sony Corp | 画像処理装置、画像処理方法および画像処理プログラム |
| CA2826371C (en) * | 2011-12-15 | 2018-11-27 | Panasonic Corporation | Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus |
| CN104661031B (zh) * | 2015-02-16 | 2017-12-22 | 华为技术有限公司 | 用于视频图像编码和解码的方法、编码设备和解码设备 |
| GB2561507B (en) * | 2016-01-07 | 2021-12-22 | Mediatek Inc | Method and apparatus for affine merge mode prediction for video coding system |
| US10798403B2 (en) | 2016-01-29 | 2020-10-06 | Sharp Kabushiki Kaisha | Prediction image generation device, video decoding device, and video coding device |
| US10560712B2 (en) * | 2016-05-16 | 2020-02-11 | Qualcomm Incorporated | Affine motion prediction for video coding |
| WO2018061563A1 (ja) | 2016-09-27 | 2018-04-05 | シャープ株式会社 | アフィン動きベクトル導出装置、予測画像生成装置、動画像復号装置、および動画像符号化装置 |
| US10448010B2 (en) * | 2016-10-05 | 2019-10-15 | Qualcomm Incorporated | Motion vector prediction for affine motion models in video coding |
| US20190273943A1 (en) * | 2016-10-10 | 2019-09-05 | Sharp Kabushiki Kaisha | Systems and methods for performing motion compensation for coding of video data |
| WO2018070897A1 (en) * | 2016-10-14 | 2018-04-19 | Huawei Technologies Co., Ltd. | Devices and methods for video coding |
| US10555006B2 (en) * | 2016-12-22 | 2020-02-04 | Qualcomm Incorporated | Deriving bilateral filter information based on a prediction mode in video coding |
| US10681370B2 (en) * | 2016-12-29 | 2020-06-09 | Qualcomm Incorporated | Motion vector generation for affine motion model for video coding |
| WO2018135885A1 (ko) | 2017-01-19 | 2018-07-26 | 가온미디어 주식회사 | 변환 처리를 제공하는 영상 복호화 및 부호화 방법 |
| KR20180085526A (ko) * | 2017-01-19 | 2018-07-27 | 가온미디어 주식회사 | 효율적 변환을 처리하는 영상 복호화 및 부호화 방법 |
| KR20180098158A (ko) * | 2017-02-24 | 2018-09-03 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
| US10701390B2 (en) * | 2017-03-14 | 2020-06-30 | Qualcomm Incorporated | Affine motion information derivation |
| US11877001B2 (en) * | 2017-10-10 | 2024-01-16 | Qualcomm Incorporated | Affine prediction in video coding |
| CN118250460A (zh) * | 2018-03-25 | 2024-06-25 | 有限公司B1影像技术研究所 | 图像编码/解码方法、存储介质和传输比特流的方法 |
| US10798394B2 (en) * | 2018-06-27 | 2020-10-06 | Avago Technologies International Sales Pte. Limited | Low complexity affine merge mode for versatile video coding |
| WO2020005045A1 (ko) | 2018-06-30 | 2020-01-02 | 김기백 | 머지 모드 기반의 인터 예측 방법 및 장치 |
| US10462488B1 (en) * | 2018-07-13 | 2019-10-29 | Tencent America LLC | Method and apparatus for video coding |
| KR20200028856A (ko) | 2018-09-07 | 2020-03-17 | 김기백 | 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치 |
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2019
- 2019-09-20 JP JP2021515161A patent/JP7449279B2/ja active Active
- 2019-09-20 CN CN202511645984.3A patent/CN121309847A/zh active Pending
- 2019-09-20 EP EP23178535.3A patent/EP4224848A1/en active Pending
- 2019-09-20 WO PCT/KR2019/012290 patent/WO2020060327A1/ko not_active Ceased
- 2019-09-20 MX MX2021003325A patent/MX2021003325A/es unknown
- 2019-09-20 CN CN202510824361.6A patent/CN120455660A/zh active Pending
- 2019-09-20 CN CN202110443353.9A patent/CN113225560B/zh active Active
- 2019-09-20 IL IL281622A patent/IL281622B2/en unknown
- 2019-09-20 CN CN201980054695.2A patent/CN112840647A/zh active Pending
- 2019-09-20 BR BR112021004922-3A patent/BR112021004922A2/pt unknown
- 2019-09-20 IL IL304953A patent/IL304953A/en unknown
- 2019-09-20 AU AU2019344978A patent/AU2019344978B2/en active Active
- 2019-09-20 ES ES23178805T patent/ES2984725T3/es active Active
- 2019-09-20 CN CN202510826270.6A patent/CN120512533A/zh active Pending
- 2019-09-20 SG SG11202102788YA patent/SG11202102788YA/en unknown
- 2019-09-20 PL PL19861535.3T patent/PL3840376T3/pl unknown
- 2019-09-20 EP EP23178807.6A patent/EP4224851A1/en active Pending
- 2019-09-20 PL PL23178805.0T patent/PL4224849T3/pl unknown
- 2019-09-20 PL PL23178806.8T patent/PL4224850T3/pl unknown
- 2019-09-20 EP EP23178806.8A patent/EP4224850B1/en active Active
- 2019-09-20 CN CN202510824099.5A patent/CN120568046A/zh active Pending
- 2019-09-20 KR KR1020190116383A patent/KR102916941B1/ko active Active
- 2019-09-20 EP EP23178805.0A patent/EP4224849B1/en active Active
- 2019-09-20 CA CA3250687A patent/CA3250687A1/en active Pending
- 2019-09-20 EP EP19861535.3A patent/EP3840376B1/en active Active
- 2019-09-20 ES ES19861535T patent/ES2955040T3/es active Active
- 2019-09-20 CA CA3113054A patent/CA3113054C/en active Active
- 2019-09-20 ES ES23178806T patent/ES2984701T3/es active Active
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2021
- 2021-03-17 US US17/204,306 patent/US11223845B2/en active Active
- 2021-03-18 ZA ZA2021/01846A patent/ZA202101846B/en unknown
- 2021-03-18 CL CL2021000671A patent/CL2021000671A1/es unknown
- 2021-03-18 PH PH12021550627A patent/PH12021550627A1/en unknown
- 2021-03-19 MX MX2024011343A patent/MX2024011343A/es unknown
- 2021-03-19 MX MX2024011344A patent/MX2024011344A/es unknown
- 2021-03-19 MX MX2024011341A patent/MX2024011341A/es unknown
- 2021-03-19 MX MX2024011342A patent/MX2024011342A/es unknown
- 2021-12-03 US US17/541,922 patent/US11758176B2/en active Active
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2023
- 2023-07-10 US US18/219,824 patent/US12382083B2/en active Active
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2024
- 2024-02-29 JP JP2024029968A patent/JP7693872B2/ja active Active
- 2024-10-04 AU AU2024227108A patent/AU2024227108B2/en active Active
- 2024-10-04 AU AU2024227107A patent/AU2024227107B2/en active Active
- 2024-10-04 AU AU2024227109A patent/AU2024227109B2/en active Active
- 2024-10-04 AU AU2024227106A patent/AU2024227106B2/en active Active
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2025
- 2025-06-04 JP JP2025093073A patent/JP7834225B2/ja active Active
- 2025-07-02 US US19/258,777 patent/US20250330631A1/en active Pending
- 2025-09-18 US US19/333,127 patent/US20260012630A1/en active Pending
- 2025-09-18 US US19/333,137 patent/US20260012631A1/en active Pending
- 2025-09-18 US US19/333,169 patent/US20260019622A1/en active Pending
- 2025-09-18 US US19/333,153 patent/US20260019621A1/en active Pending
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2026
- 2026-01-19 KR KR1020260010406A patent/KR20260018942A/ko active Pending
- 2026-02-18 AU AU2026201194A patent/AU2026201194A1/en active Pending
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