ZA202101747B - Image encoding/decoding method and device - Google Patents
Image encoding/decoding method and deviceInfo
- Publication number
- ZA202101747B ZA202101747B ZA2021/01747A ZA202101747A ZA202101747B ZA 202101747 B ZA202101747 B ZA 202101747B ZA 2021/01747 A ZA2021/01747 A ZA 2021/01747A ZA 202101747 A ZA202101747 A ZA 202101747A ZA 202101747 B ZA202101747 B ZA 202101747B
- Authority
- ZA
- South Africa
- Prior art keywords
- decoding method
- image encoding
- encoding
- decoding
- image
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
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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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
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- H—ELECTRICITY
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- 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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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/004—Predictors, e.g. intraframe, interframe 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
- H04N19/10—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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
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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
-
- 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
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- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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- 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
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- 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
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- 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
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- H—ELECTRICITY
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- 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
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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
-
- 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
- H04N19/507—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction using conditional replenishment
-
- 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
- H04N19/593—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
- H04N19/60—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]
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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
- H04N19/70—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)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Discrete Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20180114540 | 2018-09-24 | ||
| KR20180114539 | 2018-09-24 | ||
| KR20180114536 | 2018-09-24 | ||
| PCT/KR2019/012404 WO2020067700A1 (ko) | 2018-09-24 | 2019-09-24 | 영상 부호화/복호화 방법 및 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA202101747B true ZA202101747B (en) | 2022-07-27 |
Family
ID=69953064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2021/01747A ZA202101747B (en) | 2018-09-24 | 2021-03-16 | Image encoding/decoding method and device |
Country Status (11)
| Country | Link |
|---|---|
| US (9) | US20220078436A1 (enExample) |
| EP (2) | EP3860127A4 (enExample) |
| JP (4) | JP7447097B2 (enExample) |
| KR (1) | KR20210052568A (enExample) |
| CN (10) | CN118488216A (enExample) |
| AU (4) | AU2019350336B2 (enExample) |
| CA (3) | CA3296569A1 (enExample) |
| PH (1) | PH12021550491A1 (enExample) |
| SG (1) | SG11202102219YA (enExample) |
| WO (1) | WO2020067700A1 (enExample) |
| ZA (1) | ZA202101747B (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3741121B1 (en) * | 2018-02-14 | 2024-09-25 | Huawei Technologies Co., Ltd. | Adaptive interpolation filter |
| SI4024868T1 (sl) * | 2019-08-31 | 2025-02-28 | Lg Electronics Inc. | Postopek za kodiranje videa ali slik in naprava zanj |
| GB201913403D0 (en) * | 2019-09-17 | 2019-10-30 | Canon Kk | Method and apparatus for encoding and decoding a video stream with subpictures |
| CN113727119B (zh) * | 2020-05-20 | 2023-03-17 | Oppo广东移动通信有限公司 | 帧间预测方法、编码器、解码器以及计算机存储介质 |
| WO2022117369A1 (en) * | 2020-12-01 | 2022-06-09 | Nokia Technologies Oy | Content adaptive collocated reference picture selection |
| US12294693B2 (en) * | 2021-09-01 | 2025-05-06 | Tencent America LLC | Template matching on IBC merge candidates |
| US20230102401A1 (en) * | 2021-09-30 | 2023-03-30 | Qualcomm Incorporated | Inter prediction coding for geometry point cloud compression |
| US12518428B2 (en) * | 2021-10-04 | 2026-01-06 | Qualcomm Incorporated | Inter prediction coding with radius interpolation for predictive geometry-based point cloud compression |
| WO2023131045A1 (zh) * | 2022-01-05 | 2023-07-13 | 维沃移动通信有限公司 | 帧间预测方法、设备及可读存储介质 |
| US12597172B2 (en) * | 2022-10-19 | 2026-04-07 | Qualcomm Incorporated | Decoding attribute values in geometry-based point cloud compression |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4145275B2 (ja) | 2004-07-27 | 2008-09-03 | 富士通株式会社 | 動きベクトル検出・補償装置 |
| KR101269116B1 (ko) * | 2010-12-14 | 2013-05-29 | 엠앤케이홀딩스 주식회사 | 인터 예측 부호화된 동영상 복호화 방법 |
| US20130114717A1 (en) * | 2011-11-07 | 2013-05-09 | Qualcomm Incorporated | Generating additional merge candidates |
| JP2013223049A (ja) * | 2012-04-13 | 2013-10-28 | Sharp Corp | 画像復号装置、および画像符号化装置 |
| CN108432250A (zh) * | 2016-01-07 | 2018-08-21 | 联发科技股份有限公司 | 用于视频编解码的仿射帧间预测的方法及装置 |
| CN114615493A (zh) * | 2016-03-24 | 2022-06-10 | 英迪股份有限公司 | 视频解码方法、视频编码方法和可读记录介质 |
| US10812791B2 (en) * | 2016-09-16 | 2020-10-20 | Qualcomm Incorporated | Offset vector identification of temporal motion vector predictor |
| WO2018067841A1 (en) * | 2016-10-05 | 2018-04-12 | Arris Enterprises Llc | Offset temporal motion vector predictor (tmvp) |
| US10701366B2 (en) * | 2017-02-21 | 2020-06-30 | Qualcomm Incorporated | Deriving motion vector information at a video decoder |
| KR102206084B1 (ko) * | 2017-07-07 | 2021-01-21 | 삼성전자주식회사 | 적응적 움직임 벡터 해상도로 결정된 움직임 벡터의 부호화 장치 및 부호화 방법, 및 움직임 벡터의 복호화 장치 및 복호화 방법 |
| US10491902B1 (en) | 2018-07-16 | 2019-11-26 | Tencent America LLC | Method and apparatus for history-based motion vector prediction |
| WO2024117533A1 (ko) * | 2022-11-29 | 2024-06-06 | 현대자동차주식회사 | 아핀 모델 기반의 예측을 이용하는 비디오 코딩방법 및 장치 |
| WO2024192563A1 (zh) * | 2023-03-17 | 2024-09-26 | 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 |
| WO2025007250A1 (zh) * | 2023-07-03 | 2025-01-09 | Oppo广东移动通信有限公司 | 视频解码方法、装置、设备、及存储介质 |
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2019
- 2019-09-24 JP JP2021516609A patent/JP7447097B2/ja active Active
- 2019-09-24 CA CA3296569A patent/CA3296569A1/en active Pending
- 2019-09-24 CN CN202410526302.6A patent/CN118488216A/zh active Pending
- 2019-09-24 CN CN202410526231.XA patent/CN118488214A/zh active Pending
- 2019-09-24 WO PCT/KR2019/012404 patent/WO2020067700A1/ko not_active Ceased
- 2019-09-24 US US17/276,344 patent/US20220078436A1/en not_active Abandoned
- 2019-09-24 CN CN202410526112.4A patent/CN118488211A/zh active Pending
- 2019-09-24 CN CN202410526171.1A patent/CN118488213A/zh active Pending
- 2019-09-24 CA CA3113860A patent/CA3113860A1/en active Pending
- 2019-09-24 AU AU2019350336A patent/AU2019350336B2/en active Active
- 2019-09-24 CA CA3296564A patent/CA3296564A1/en active Pending
- 2019-09-24 CN CN201980062809.8A patent/CN112806014B/zh active Active
- 2019-09-24 CN CN202410439387.4A patent/CN118250473A/zh active Pending
- 2019-09-24 KR KR1020217012066A patent/KR20210052568A/ko active Pending
- 2019-09-24 EP EP19864336.3A patent/EP3860127A4/en active Pending
- 2019-09-24 EP EP26154503.2A patent/EP4708870A3/en active Pending
- 2019-09-24 CN CN202410526326.1A patent/CN118488217A/zh active Pending
- 2019-09-24 SG SG11202102219YA patent/SG11202102219YA/en unknown
- 2019-09-24 CN CN202410526147.8A patent/CN118488212A/zh active Pending
- 2019-09-24 CN CN202410526368.5A patent/CN118488218A/zh active Pending
- 2019-09-24 CN CN202410526271.4A patent/CN118488215A/zh active Pending
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2021
- 2021-03-02 PH PH12021550491A patent/PH12021550491A1/en unknown
- 2021-03-16 ZA ZA2021/01747A patent/ZA202101747B/en unknown
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2023
- 2023-09-22 US US18/472,766 patent/US12075062B2/en active Active
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2024
- 2024-02-27 JP JP2024027815A patent/JP7577235B2/ja active Active
- 2024-04-05 US US18/627,969 patent/US12219148B2/en active Active
- 2024-07-15 US US18/773,008 patent/US12537961B2/en active Active
- 2024-10-21 JP JP2024185054A patent/JP7711293B2/ja active Active
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2025
- 2025-01-29 US US19/040,508 patent/US20250175614A1/en active Pending
- 2025-01-29 US US19/040,504 patent/US20250175613A1/en active Pending
- 2025-01-29 US US19/040,514 patent/US20250175615A1/en active Pending
- 2025-01-29 US US19/040,522 patent/US20250175616A1/en active Pending
- 2025-06-19 AU AU2025204597A patent/AU2025204597A1/en active Pending
- 2025-06-19 AU AU2025204624A patent/AU2025204624A1/en active Pending
- 2025-06-19 AU AU2025204622A patent/AU2025204622A1/en active Pending
- 2025-06-30 US US19/255,462 patent/US20250330608A1/en active Pending
- 2025-07-04 JP JP2025114050A patent/JP7896138B2/ja active Active
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