BR112021009606A2 - refinamento de vetor de movimento no lado do decodificador - Google Patents
refinamento de vetor de movimento no lado do decodificador Download PDFInfo
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- BR112021009606A2 BR112021009606A2 BR112021009606-0A BR112021009606A BR112021009606A2 BR 112021009606 A2 BR112021009606 A2 BR 112021009606A2 BR 112021009606 A BR112021009606 A BR 112021009606A BR 112021009606 A2 BR112021009606 A2 BR 112021009606A2
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- motion vector
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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
- H04N19/563—Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
-
- 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
-
- 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
- H04N19/10—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
- H04N19/12—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
- H04N19/127—Prioritisation of hardware or computational resources
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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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- 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
- H04N19/50—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
- H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting 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
- H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
-
- 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
- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862771960P | 2018-11-27 | 2018-11-27 | |
| US62/771,960 | 2018-11-27 | ||
| US16/695,907 | 2019-11-26 | ||
| US16/695,907 US11146810B2 (en) | 2018-11-27 | 2019-11-26 | Decoder-side motion vector refinement |
| PCT/US2019/063673 WO2020113051A2 (en) | 2018-11-27 | 2019-11-27 | Decoder-side motion vector refinement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021009606A2 true BR112021009606A2 (pt) | 2021-08-10 |
Family
ID=68966058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021009606-0A BR112021009606A2 (pt) | 2018-11-27 | 2019-11-27 | refinamento de vetor de movimento no lado do decodificador |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11146810B2 (https=) |
| EP (1) | EP3888358A2 (https=) |
| JP (1) | JP7446297B2 (https=) |
| KR (1) | KR102936770B1 (https=) |
| CN (2) | CN118741148A (https=) |
| BR (1) | BR112021009606A2 (https=) |
| CL (1) | CL2021001335A1 (https=) |
| SG (1) | SG11202104085RA (https=) |
| WO (1) | WO2020113051A2 (https=) |
Families Citing this family (49)
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| KR102840294B1 (ko) | 2018-06-29 | 2025-07-30 | 두인 비전 컴퍼니 리미티드 | 하나 또는 다수의 룩업 테이블들을 사용하여 이전에 코딩된 모션 정보를 순서대로 저장하고 이를 사용하여 후속 블록들을 코딩하는 개념 |
| WO2020003265A1 (en) | 2018-06-29 | 2020-01-02 | Beijing Bytedance Network Technology Co., Ltd. | Conditions of usage of luts |
| KR102680903B1 (ko) | 2018-06-29 | 2024-07-04 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | Hmvp 후보를 병합/amvp에 추가할 때의 부분/풀 프루닝 |
| KR102627814B1 (ko) | 2018-06-29 | 2024-01-23 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 룩업 테이블의 업데이트: fifo, 제약된 fifo |
| WO2020003282A1 (en) | 2018-06-29 | 2020-01-02 | Beijing Bytedance Network Technology Co., Ltd. | Managing motion vector predictors for video coding |
| CN110662052B (zh) | 2018-06-29 | 2022-07-08 | 北京字节跳动网络技术有限公司 | 更新查找表(lut)的条件 |
| SG11202013028PA (en) | 2018-06-29 | 2021-01-28 | Beijing Bytedance Network Technology Co Ltd | Interaction between lut and amvp |
| EP4322533A3 (en) | 2018-06-29 | 2024-03-06 | Beijing Bytedance Network Technology Co., Ltd. | Checking order of motion candidates in lut |
| CN110677669B (zh) | 2018-07-02 | 2021-12-07 | 北京字节跳动网络技术有限公司 | 具有lic的lut |
| WO2020053798A1 (en) | 2018-09-12 | 2020-03-19 | Beijing Bytedance Network Technology Co., Ltd. | Conditions for starting checking hmvp candidates depend on total number minus k |
| JP7005480B2 (ja) * | 2018-12-27 | 2022-01-21 | Kddi株式会社 | 画像復号装置、画像符号化装置、プログラム及び画像処理システム |
| US11102476B2 (en) * | 2018-12-28 | 2021-08-24 | Qualcomm Incorporated | Subblock based affine motion model |
| EP3766249A4 (en) * | 2019-01-08 | 2022-01-26 | Tencent America Llc | Method and apparatus for memory bandwidth reduction for small inter blocks |
| KR102648159B1 (ko) * | 2019-01-10 | 2024-03-18 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | Lut 업데이트의 호출 |
| WO2020143824A1 (en) | 2019-01-13 | 2020-07-16 | Beijing Bytedance Network Technology Co., Ltd. | Interaction between lut and shared merge list |
| CN113330739B (zh) | 2019-01-16 | 2025-01-10 | 北京字节跳动网络技术有限公司 | Lut中的运动候选的插入顺序 |
| CN121967699A (zh) | 2019-02-03 | 2026-05-01 | 北京字节跳动网络技术有限公司 | Mv精度和mv差编解码之间的相互作用 |
| CN116886925B (zh) * | 2019-02-08 | 2024-11-08 | 北京达佳互联信息技术有限公司 | 一种用于视频编码的方法、计算设备和介质 |
| CN121173966A (zh) * | 2019-02-14 | 2025-12-19 | 北京字节跳动网络技术有限公司 | 解码器侧细化工具的选择性应用 |
| WO2020175915A1 (ko) | 2019-02-26 | 2020-09-03 | 주식회사 엑스리스 | 영상 신호 부호화/복호화 방법 및 이를 위한 장치 |
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| CN120568044A (zh) * | 2019-03-07 | 2025-08-29 | 数字洞察力有限公司 | 图像编码/解码方法和传输比特流的方法 |
| JP7555328B2 (ja) | 2019-03-08 | 2024-09-24 | シャープ株式会社 | 動画像復号装置、動画像符号化装置、および動画像復号方法 |
| CN113615193B (zh) | 2019-03-22 | 2024-06-25 | 北京字节跳动网络技术有限公司 | Merge列表构建和其他工具之间的交互 |
| SG11202112279WA (en) | 2019-05-11 | 2021-12-30 | Beijing Bytedance Network Technology Co Ltd | Selective use of coding tools in video processing |
| WO2020233660A1 (en) | 2019-05-21 | 2020-11-26 | Beijing Bytedance Network Technology Co., Ltd. | Syntax-based motion candidate derivation in sub-block merge mode |
| US20200402546A1 (en) * | 2019-06-24 | 2020-12-24 | Seagate Technology Llc | Reducing base deck porosity |
| WO2021001220A1 (en) * | 2019-07-01 | 2021-01-07 | Interdigital Vc Holdings France, Sas | Bi-directional optical flow refinement of affine motion compensation |
| EP3997869A4 (en) | 2019-08-10 | 2022-10-26 | Beijing Bytedance Network Technology Co., Ltd. | Subpicture dependent signaling in video bitstreams |
| WO2020251416A2 (en) * | 2019-09-30 | 2020-12-17 | Huawei Technologies Co., Ltd. | Affine motion model restrictions reducing number of fetched reference lines during processing of one block row with enhanced interpolation filter |
| CN114631321B (zh) | 2019-10-18 | 2024-04-12 | 北京字节跳动网络技术有限公司 | 子图片与环路滤波之间的相互影响 |
| 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 |
| US11399188B2 (en) * | 2020-01-01 | 2022-07-26 | Tencent America LLC | Method for mixed NAL unit type support in a coded picture |
| KR20220157950A (ko) | 2020-03-23 | 2022-11-29 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 어파인 머지 및 어파인 모션 벡터 예측 모드에 대한 예측 리파인먼트 |
| CN114342390B (zh) * | 2020-07-30 | 2022-10-28 | 北京达佳互联信息技术有限公司 | 用于仿射运动补偿的预测细化的方法和装置 |
| EP4193593A1 (en) * | 2020-08-07 | 2023-06-14 | InterDigital VC Holdings France, SAS | Combining abt with vvc sub-block-based coding tools |
| CN116368799A (zh) | 2020-10-15 | 2023-06-30 | 北京达佳互联信息技术有限公司 | 用于帧间编解码的增强型运动估计 |
| WO2022140338A1 (en) * | 2020-12-22 | 2022-06-30 | Qualcomm Incorporated | Multi-pass decoder-side motion vector refinement |
| US20240187633A1 (en) * | 2021-04-21 | 2024-06-06 | Beijing Bytedance Network Technology Co., Ltd. | Method, device, and medium for video processing |
| US20240214606A1 (en) * | 2021-04-27 | 2024-06-27 | Beijing Bytedance Network Technology Co., Ltd. | Method, device, and medium for video processing |
| US12212736B2 (en) * | 2021-06-30 | 2025-01-28 | Qualcomm Incorporated | Using unrefined motion vectors for performing decoder-side motion vector derivation |
| KR20240050408A (ko) * | 2021-08-27 | 2024-04-18 | 주식회사 윌러스표준기술연구소 | 움직임 정보를 보정하는 방법 및 이를 위한 장치 |
| CN118592027A (zh) * | 2021-11-22 | 2024-09-03 | 抖音视界有限公司 | 用于视频处理的方法、装置和介质 |
| US11616970B1 (en) * | 2022-01-25 | 2023-03-28 | Mediatek Inc. | Motion vector refinement apparatus having motion vector predictor derivation circuit that is allowed to start new task without waiting for motion vector difference computation and associated motion vector refinement method |
| EP4500859A4 (en) * | 2022-03-28 | 2026-04-01 | Beijing Dajia Internet Information Tech Co Ltd | METHODS AND DEVICES FOR DERIVATING CANDIDATES FOR AN AFFINE FUSION MODE IN VIDEO CODING |
| US12477141B2 (en) | 2022-07-18 | 2025-11-18 | Tencent America LLC | Method for affine motion refinement |
| US12556736B2 (en) * | 2022-10-10 | 2026-02-17 | Tencent America LLC | Method and apparatus for extended decoder side motion vector refinement |
| US12470750B2 (en) * | 2023-04-14 | 2025-11-11 | Tencent America LLC | Systems and methods for window error estimation improvement in temporal filter |
| CN117579833B (zh) * | 2024-01-12 | 2024-04-05 | 合肥六角形半导体有限公司 | 一种视频压缩电路及芯片 |
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| US11310526B2 (en) | 2018-01-26 | 2022-04-19 | Mediatek Inc. | Hardware friendly constrained motion vector refinement |
| TWI719519B (zh) * | 2018-07-02 | 2021-02-21 | 大陸商北京字節跳動網絡技術有限公司 | 對於dmvr的塊尺寸限制 |
| US10958934B2 (en) * | 2018-07-27 | 2021-03-23 | Tencent America LLC | History-based affine merge and motion vector prediction |
-
2019
- 2019-11-26 US US16/695,907 patent/US11146810B2/en active Active
- 2019-11-27 KR KR1020217015254A patent/KR102936770B1/ko active Active
- 2019-11-27 CN CN202410713437.3A patent/CN118741148A/zh active Pending
- 2019-11-27 JP JP2021527074A patent/JP7446297B2/ja active Active
- 2019-11-27 SG SG11202104085RA patent/SG11202104085RA/en unknown
- 2019-11-27 BR BR112021009606-0A patent/BR112021009606A2/pt unknown
- 2019-11-27 WO PCT/US2019/063673 patent/WO2020113051A2/en not_active Ceased
- 2019-11-27 CN CN201980075607.7A patent/CN113039787B/zh active Active
- 2019-11-27 EP EP19824122.6A patent/EP3888358A2/en active Pending
-
2021
- 2021-05-24 CL CL2021001335A patent/CL2021001335A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20210093259A (ko) | 2021-07-27 |
| CN113039787B (zh) | 2024-06-21 |
| US11146810B2 (en) | 2021-10-12 |
| CL2021001335A1 (es) | 2021-12-03 |
| JP7446297B2 (ja) | 2024-03-08 |
| CN113039787A (zh) | 2021-06-25 |
| EP3888358A2 (en) | 2021-10-06 |
| WO2020113051A3 (en) | 2020-07-23 |
| JP2022507683A (ja) | 2022-01-18 |
| US20200169748A1 (en) | 2020-05-28 |
| CN118741148A (zh) | 2024-10-01 |
| WO2020113051A2 (en) | 2020-06-04 |
| KR102936770B1 (ko) | 2026-03-09 |
| SG11202104085RA (en) | 2021-06-29 |
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