CL2023001900A1 - Coincidencia de plantillas en codificación de vídeo - Google Patents
Coincidencia de plantillas en codificación de vídeoInfo
- Publication number
- CL2023001900A1 CL2023001900A1 CL2023001900A CL2023001900A CL2023001900A1 CL 2023001900 A1 CL2023001900 A1 CL 2023001900A1 CL 2023001900 A CL2023001900 A CL 2023001900A CL 2023001900 A CL2023001900 A CL 2023001900A CL 2023001900 A1 CL2023001900 A1 CL 2023001900A1
- Authority
- CL
- Chile
- Prior art keywords
- step size
- motion vector
- search
- reference block
- template
- 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
- H04N19/503—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
- H04N19/10—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
- H04N19/50—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
- H04N19/57—Motion estimation characterised by a search window with variable size or shape
-
- 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
- H04N19/132—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
- H04N19/136—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
-
- 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
- H04N19/172—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 picture, frame or field
-
- 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
- H04N19/10—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
- H04N19/192—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive
-
- 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
- H04N19/523—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
- H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
-
- 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)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063131676P | 2020-12-29 | 2020-12-29 | |
| US17/558,119 US11758151B2 (en) | 2020-12-29 | 2021-12-21 | Template matching in video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2023001900A1 true CL2023001900A1 (es) | 2024-01-05 |
Family
ID=79927080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2023001900A CL2023001900A1 (es) | 2020-12-29 | 2023-06-27 | Coincidencia de plantillas en codificación de vídeo |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US12375688B2 (https=) |
| EP (1) | EP4272436A1 (https=) |
| JP (1) | JP7823047B2 (https=) |
| KR (1) | KR20230125784A (https=) |
| AU (1) | AU2021416082A1 (https=) |
| BR (1) | BR112023012151A2 (https=) |
| CA (1) | CA3198100A1 (https=) |
| CL (1) | CL2023001900A1 (https=) |
| MX (1) | MX2023007564A (https=) |
| WO (1) | WO2022146833A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12167019B2 (en) * | 2022-07-21 | 2024-12-10 | Tencent America LLC | Temporal motion vector predictor with displacement |
| US12418670B2 (en) * | 2022-10-14 | 2025-09-16 | Tencent America LLC | Template-matching based merge index reordering for geometric partition mode (GPM) |
| WO2024182669A1 (en) * | 2023-03-02 | 2024-09-06 | Ofinno, Llc | Template-based weight derivation for block prediction |
| WO2025075451A1 (ko) * | 2023-10-05 | 2025-04-10 | 한국전자통신연구원 | 아틀라스 영상의 템플릿 매칭 예측 기술의 검색 장치 및 방법 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101782661B1 (ko) * | 2010-01-19 | 2017-10-23 | 톰슨 라이센싱 | 비디오 인코딩 및 디코딩을 위한 템플릿 매칭 예측의 복잡도를 감소시키는 방법 및 장치 |
| US10531116B2 (en) | 2014-01-09 | 2020-01-07 | Qualcomm Incorporated | Adaptive motion vector resolution signaling for video coding |
| KR102319384B1 (ko) | 2014-03-31 | 2021-10-29 | 인텔렉추얼디스커버리 주식회사 | 템플릿 매칭 기반의 화면 내 픽쳐 부호화 및 복호화 방법 및 장치 |
| CN106331703B (zh) | 2015-07-03 | 2020-09-08 | 华为技术有限公司 | 视频编码和解码方法、视频编码和解码装置 |
| US10511835B2 (en) | 2015-09-02 | 2019-12-17 | Mediatek Inc. | Method and apparatus of decoder side motion derivation for video coding |
| EP3413563B1 (en) | 2016-02-03 | 2026-02-18 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Moving image decoding device, moving image encoding device, and prediction image generation device |
| US10390038B2 (en) * | 2016-02-17 | 2019-08-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and devices for encoding and decoding video pictures using a denoised reference picture |
| US20190082192A1 (en) * | 2016-03-16 | 2019-03-14 | Mediatek Inc. | Method and apparatus of pattern-based motion vector derivation for video coding |
| US10979732B2 (en) | 2016-10-04 | 2021-04-13 | Qualcomm Incorporated | Adaptive motion vector precision for video coding |
| US20190007699A1 (en) | 2017-06-28 | 2019-01-03 | Futurewei Technologies, Inc. | Decoder Side Motion Vector Derivation in Video Coding |
| EP3451664A1 (en) | 2017-09-01 | 2019-03-06 | Thomson Licensing | Motion compensation at a finer precision than motion vector differential |
| WO2019188942A1 (en) | 2018-03-30 | 2019-10-03 | Sharp Kabushiki Kaisha | Systems and methods for performing motion compensated prediction for video coding |
| WO2019190224A1 (ko) | 2018-03-30 | 2019-10-03 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| 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 |
| WO2020047132A1 (en) | 2018-08-29 | 2020-03-05 | Vid Scale, Inc. | Adaptive motion vector precision for affine motion model based video coding |
| TWI815974B (zh) | 2018-09-23 | 2023-09-21 | 大陸商北京字節跳動網絡技術有限公司 | 具有自適應運動矢量分辨率的運動矢量的修改 |
| CN115314708B (zh) * | 2019-05-15 | 2023-05-12 | 华为技术有限公司 | 视频码流的解码方法及对应的设备及介质 |
| CN111050182B (zh) | 2019-12-27 | 2022-02-18 | 浙江大华技术股份有限公司 | 运动矢量的预测方法、视频编码方法及相关设备、装置 |
| US11758151B2 (en) | 2020-12-29 | 2023-09-12 | Qualcomm Incorporated | Template matching in video coding |
-
2021
- 2021-12-22 CA CA3198100A patent/CA3198100A1/en active Pending
- 2021-12-22 AU AU2021416082A patent/AU2021416082A1/en active Pending
- 2021-12-22 WO PCT/US2021/064908 patent/WO2022146833A1/en not_active Ceased
- 2021-12-22 KR KR1020237021053A patent/KR20230125784A/ko active Pending
- 2021-12-22 JP JP2023532810A patent/JP7823047B2/ja active Active
- 2021-12-22 BR BR112023012151A patent/BR112023012151A2/pt unknown
- 2021-12-22 MX MX2023007564A patent/MX2023007564A/es unknown
- 2021-12-22 EP EP21847864.2A patent/EP4272436A1/en active Pending
-
2023
- 2023-06-27 CL CL2023001900A patent/CL2023001900A1/es unknown
- 2023-07-21 US US18/356,887 patent/US12375688B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20230362391A1 (en) | 2023-11-09 |
| KR20230125784A (ko) | 2023-08-29 |
| EP4272436A1 (en) | 2023-11-08 |
| TW202232956A (zh) | 2022-08-16 |
| AU2021416082A1 (en) | 2023-05-18 |
| WO2022146833A1 (en) | 2022-07-07 |
| MX2023007564A (es) | 2023-07-11 |
| JP2024501137A (ja) | 2024-01-11 |
| AU2021416082A9 (en) | 2024-09-05 |
| CA3198100A1 (en) | 2022-07-07 |
| US12375688B2 (en) | 2025-07-29 |
| JP7823047B2 (ja) | 2026-03-03 |
| BR112023012151A2 (pt) | 2023-11-28 |
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