CN114402616A - 当前块的预测方法及装置、设备、存储介质 - Google Patents
当前块的预测方法及装置、设备、存储介质 Download PDFInfo
- Publication number
- CN114402616A CN114402616A CN201980100387.9A CN201980100387A CN114402616A CN 114402616 A CN114402616 A CN 114402616A CN 201980100387 A CN201980100387 A CN 201980100387A CN 114402616 A CN114402616 A CN 114402616A
- Authority
- CN
- China
- Prior art keywords
- block
- reference block
- mirror image
- absolute error
- error value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
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
- H04N19/103—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
- H04N19/132—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
- H04N19/50—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
- H04N19/593—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
-
- 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
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
Abstract
本申请实施例公开了当前块的预测方法及装置、设备、存储介质，其中，所述方法包括：确定处于帧内块复制的非融合模式时，获取镜像帧内块复制模式的模式信息；根据模式信息，判断是否对参考块进行镜像变换；当判断结果为对参考块进行镜像变换时，对参考块进行镜像变换得到当前块的预测块。
Description
PCT国内申请，说明书已公开。
Claims (22)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/108684 WO2021056454A1 (zh) | 2019-09-27 | 2019-09-27 | 当前块的预测方法及装置、设备、存储介质 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114402616A true CN114402616A (zh) | 2022-04-26 |
Family
ID=75166351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201980100387.9A Pending CN114402616A (zh) | 2019-09-27 | 2019-09-27 | 当前块的预测方法及装置、设备、存储介质 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20220217399A1 (zh) |
| JP (1) | JP7448641B2 (zh) |
| KR (1) | KR20220066166A (zh) |
| CN (1) | CN114402616A (zh) |
| WO (1) | WO2021056454A1 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021138164A1 (en) * | 2020-01-03 | 2021-07-08 | Intel Corporation | Video coding with multiple intra block copy modes |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702954B (zh) * | 2013-12-05 | 2017-11-17 | 华为技术有限公司 | 视频编码方法及装置 |
| WO2015100726A1 (en) * | 2014-01-03 | 2015-07-09 | Microsoft Corporation | Block vector prediction in video and image coding/decoding |
| WO2015131326A1 (en) * | 2014-03-04 | 2015-09-11 | Microsoft Technology Licensing, Llc | Encoder-side decisions for block flipping and skip mode in intra block copy prediction |
| JP2017512026A (ja) | 2014-03-04 | 2017-04-27 | マイクロソフト テクノロジー ライセンシング，エルエルシー | イントラブロックコピー予測におけるブロック反転及びスキップモード |
| WO2015139175A1 (en) | 2014-03-17 | 2015-09-24 | Mediatek Singapore Pte. Ltd. | Improved block copying |
| US10027981B2 (en) * | 2014-09-01 | 2018-07-17 | Hfi Innovation Inc. | Method of intra picture block copy for screen content and video coding |
| WO2016048834A1 (en) * | 2014-09-26 | 2016-03-31 | Vid Scale, Inc. | Intra block copy coding with temporal block vector prediction |
| CN109996080B (zh) * | 2017-12-31 | 2023-01-06 | 华为技术有限公司 | 图像的预测方法、装置及编解码器 |
-
2019
- 2019-09-27 JP JP2022518879A patent/JP7448641B2/ja active Active
- 2019-09-27 CN CN201980100387.9A patent/CN114402616A/zh active Pending
- 2019-09-27 WO PCT/CN2019/108684 patent/WO2021056454A1/zh active Application Filing
- 2019-09-27 KR KR1020227013874A patent/KR20220066166A/ko active Search and Examination
-
2022
- 2022-03-25 US US17/704,443 patent/US20220217399A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2022553623A (ja) | 2022-12-26 |
| JP7448641B2 (ja) | 2024-03-12 |
| KR20220066166A (ko) | 2022-05-23 |
| WO2021056454A1 (zh) | 2021-04-01 |
| US20220217399A1 (en) | 2022-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11343534B2 (en) | Method and device for obtaining motion vector of video image | |
| US11831902B2 (en) | Picture prediction method and picture prediction apparatus | |
| US11178419B2 (en) | Picture prediction method and related apparatus | |
| US11202077B2 (en) | Motion vector prediction method and device | |
| US10523965B2 (en) | Video coding method, video decoding method, video coding apparatus, and video decoding apparatus | |
| US11310524B2 (en) | Method and apparatus for determining motion vector of affine code block | |
| US20210258601A1 (en) | Image encoding/decoding method and apparatus | |
| WO2020042604A1 (zh) | 视频编码器、视频解码器及相应方法 | |
| WO2021238546A1 (zh) | 视频编码方法、视频播放方法、相关设备及介质 | |
| US20230396780A1 (en) | Illumination compensation method, encoder, and decoder | |
| US20220217399A1 (en) | Prediction method for current block and electronic device | |
| TW202145794A (zh) | 幀間預測方法、編碼器、解碼器以及電腦儲存媒介 | |
| CN116760986B (zh) | 候选运动矢量生成方法、装置、计算机设备和存储介质 | |
| KR20190071189A (ko) | 참조 프레임을 적응적으로 제한하는 영상 부호화 방법 및 장치 | |
| TW202145783A (zh) | 幀間預測方法、編碼器、解碼器以及電腦儲存媒介 | |
| CN112714312A (zh) | 编码模式选择方法、装置以及可读存储介质 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |