CN113228641A - 帧内预测方法、装置及计算机存储介质 - Google Patents
帧内预测方法、装置及计算机存储介质 Download PDFInfo
- Publication number
- CN113228641A CN113228641A CN201980086353.9A CN201980086353A CN113228641A CN 113228641 A CN113228641 A CN 113228641A CN 201980086353 A CN201980086353 A CN 201980086353A CN 113228641 A CN113228641 A CN 113228641A
- Authority
- CN
- China
- Prior art keywords
- prediction mode
- angle
- intra
- list
- mode
- 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
- H04N19/11—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
- H04N19/103—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
- H04N19/119—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
- H04N19/134—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
-
- 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
- H04N19/10—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
-
- 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
- H04N19/50—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
一种帧内预测方法、装置及计算机存储介质,该帧内预测方法包括:获取当前解码块的宽高比和参考解码块的宽高比,其中,参考解码块为与所述当前解码块相关的解码块(S101):当当前解码块的宽高比和参考解码块的宽高比不同时,对参考解码块对应的替换角度预测模式进行调整,得到调整后的替换角度预测模式,替换角度预测模式为宽角度模式下扩展的角度预测模式(S102);根据调整后的替换角度预测模式,构造所述当前解码块的预测模式列表,以对所述当前解码块进行帧内预测(S103)。
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。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110976399.7A CN113709459B (zh) | 2019-01-02 | 2019-01-02 | 帧内预测方法、装置及计算机存储介质 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2019/070155 WO2020140219A1 (zh) | 2019-01-02 | 2019-01-02 | 帧内预测方法、装置及计算机存储介质 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110976399.7A Division CN113709459B (zh) | 2019-01-02 | 2019-01-02 | 帧内预测方法、装置及计算机存储介质 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113228641A true CN113228641A (zh) | 2021-08-06 |
Family
ID=71406945
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110976399.7A Active CN113709459B (zh) | 2019-01-02 | 2019-01-02 | 帧内预测方法、装置及计算机存储介质 |
CN201980086353.9A Pending CN113228641A (zh) | 2019-01-02 | 2019-01-02 | 帧内预测方法、装置及计算机存储介质 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110976399.7A Active CN113709459B (zh) | 2019-01-02 | 2019-01-02 | 帧内预测方法、装置及计算机存储介质 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11812057B2 (zh) |
EP (1) | EP3893500A4 (zh) |
JP (1) | JP7437404B2 (zh) |
KR (1) | KR20210121053A (zh) |
CN (2) | CN113709459B (zh) |
WO (1) | WO2020140219A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023044618A1 (zh) * | 2021-09-22 | 2023-03-30 | 深圳市大疆创新科技有限公司 | 编解码方法及装置 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101739987B1 (ko) * | 2010-12-28 | 2017-05-26 | 에스케이 텔레콤주식회사 | 주변블록의 특징벡터를 이용한 영상 부호화/복호화 방법 및 장치 |
JP5995448B2 (ja) * | 2012-01-19 | 2016-09-21 | シャープ株式会社 | 画像復号装置、および画像符号化装置 |
CN115134609A (zh) * | 2015-06-11 | 2022-09-30 | 杜比实验室特许公司 | 使用自适应去块滤波编码和解码图像的方法及其装置 |
ES2719132B1 (es) | 2015-08-28 | 2020-05-05 | Kt Corp | Procedimiento y dispositivo para procesar señales de vídeo |
US10448011B2 (en) * | 2016-03-18 | 2019-10-15 | Mediatek Inc. | Method and apparatus of intra prediction in image and video processing |
KR102391235B1 (ko) | 2016-04-29 | 2022-04-27 | 인텔렉추얼디스커버리 주식회사 | 영상 신호 부호화/복호화 방법 및 장치 |
CN109792519B (zh) * | 2016-08-08 | 2023-06-23 | Lg电子株式会社 | 基于帧内预测模式的图像处理方法及其装置 |
EP3552392A1 (en) * | 2016-12-23 | 2019-10-16 | Huawei Technologies Co., Ltd. | An intra-prediction apparatus for removing a directional intra-prediction mode from a set of predetermined directional intra-prediction modes |
FI20175006A1 (en) | 2017-01-03 | 2019-02-15 | Nokia Technologies Oy | Video and image coding using wide-angle intra-prediction |
CN107071416B (zh) * | 2017-01-06 | 2020-04-07 | 华南理工大学 | 一种hevc帧内预测模式快速选择方法 |
CN107155108B (zh) * | 2017-06-19 | 2019-07-12 | 电子科技大学 | 一种基于亮度变化的帧内预测方法 |
CN111373750A (zh) * | 2017-10-24 | 2020-07-03 | 韦勒斯标准与技术协会公司 | 视频信号处理方法和装置 |
MX2020012068A (es) * | 2018-05-14 | 2021-02-09 | Interdigital Vc Holdings Inc | Direcciones de prediccion intra adaptativas a la forma de bloque para arbol cuadruple-arbol binario. |
US10382772B1 (en) | 2018-07-02 | 2019-08-13 | Tencent America LLC | Method and apparatus for video coding |
US10567752B2 (en) * | 2018-07-02 | 2020-02-18 | Tencent America LLC | Method and apparatus for intra prediction for non-square blocks in video compression |
US10404980B1 (en) * | 2018-07-10 | 2019-09-03 | Tencent America LLC | Intra prediction with wide angle mode in video coding |
US10630979B2 (en) | 2018-07-16 | 2020-04-21 | Tencent America LLC | Reference sample padding and filtering for intra prediction in video compression |
CN109040754A (zh) * | 2018-11-06 | 2018-12-18 | 深圳市网心科技有限公司 | 一种hevc的帧内预测模式确定方法、设备、系统及介质 |
-
2019
- 2019-01-02 CN CN202110976399.7A patent/CN113709459B/zh active Active
- 2019-01-02 EP EP19907163.0A patent/EP3893500A4/en active Pending
- 2019-01-02 JP JP2021538791A patent/JP7437404B2/ja active Active
- 2019-01-02 CN CN201980086353.9A patent/CN113228641A/zh active Pending
- 2019-01-02 KR KR1020217023922A patent/KR20210121053A/ko active Search and Examination
- 2019-01-02 WO PCT/CN2019/070155 patent/WO2020140219A1/zh unknown
-
2021
- 2021-07-01 US US17/365,869 patent/US11812057B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023044618A1 (zh) * | 2021-09-22 | 2023-03-30 | 深圳市大疆创新科技有限公司 | 编解码方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
US20210329297A1 (en) | 2021-10-21 |
US11812057B2 (en) | 2023-11-07 |
JP7437404B2 (ja) | 2024-02-22 |
CN113709459B (zh) | 2023-06-23 |
JP2022521366A (ja) | 2022-04-07 |
WO2020140219A1 (zh) | 2020-07-09 |
EP3893500A1 (en) | 2021-10-13 |
EP3893500A4 (en) | 2022-06-01 |
CN113709459A (zh) | 2021-11-26 |
KR20210121053A (ko) | 2021-10-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7228012B2 (ja) | 複数の隣接する量子化パラメータから量子化パラメータ予測子を決定する方法及び装置 | |
JP6907328B2 (ja) | 複数の参照線を用いたイントラ予測 | |
US20200128272A1 (en) | Intra-prediction mode-based image processing method and apparatus therefor | |
TWI555377B (zh) | 熵編碼視訊的方法與裝置、以及熵解碼視訊的方法與裝置 | |
KR101535734B1 (ko) | 고효율 비디오 코딩을 위한 콘텐츠 적응 모션 보상 필터링 | |
KR102287414B1 (ko) | 손실 비디오 코딩을 위한 저복잡도 혼합 도메인 협력 인-루프 필터 | |
JP7150861B2 (ja) | ビデオコーディングのための空間変動変換 | |
TW202315408A (zh) | 以區塊為基礎之預測技術 | |
CN113810688B (zh) | 视频编码方法、视频解码方法以及计算机可读介质 | |
WO2019201232A1 (en) | Intra-prediction using cross-component linear model | |
CN110944179B (zh) | 一种视频数据解码方法及装置 | |
WO2017057922A1 (ko) | 그래프 기반 리프팅 변환을 이용하여 비디오 신호를 인코딩, 디코딩하는 방법 및 장치 | |
US10645393B2 (en) | Image encoding method and device for sample value compensation and image decoding method and device for sample value compensation | |
CN113228641A (zh) | 帧内预测方法、装置及计算机存储介质 | |
JP7467687B2 (ja) | 符号化・復号方法及び装置 | |
WO2022178686A1 (zh) | 编解码方法、编解码设备、编解码系统以及计算机可读存储介质 | |
CN112956191A (zh) | 帧内预测方法及装置、计算机可读存储介质 | |
KR20140120397A (ko) | 움직임 복잡도를 이용한 예측 유닛 모드 결정 방법 | |
US11956427B2 (en) | Method of restoration in subblock units, and video decoding apparatus | |
WO2022188114A1 (zh) | 帧内预测方法、编码器、解码器以及存储介质 | |
CN116830584A (zh) | 帧内预测方法、编码器、解码器以及存储介质 | |
KR20170124076A (ko) | 영상 신호 그룹의 부호화 및 복호화 방법과 장치 |
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 |